US010994841B2

( 12 ) Bitar
United States Patent ( 10 ) Patent No .: US 10,994,841 B2
(45) Date of Patent : May 4, 2021
( 54 ) ELECTRIC JETPACK DEVICE 2002/0003188 A1 * 1/2002 Moshier B64C 39/026
244/4 R
( 71 ) Applicant: Peter Bitar , Anderson , IN (US ) 2007/0290097 A1 12/2007 Ishiba
2009/0020654 A1 * 1/2009 Tyler B64C 39/026
244/23 A
( 72 ) Inventor: Peter Bitar , Anderson , IN (US ) 2014/0219784 Al 8/2014 Nourollah
2016/0123182 A1 * 5/2016 Samaritano B64C 39/024
( * ) Notice : Subject to any disclaimer, the term of this 416/1
patent is extended or adjusted under 35 2017/0015419 A1 * 1/2017 Tyler B64C 39/026
U.S.C. 154 ( b ) by 42 days.
FOREIGN ATENT DOCUMENTS
( 21 ) Appl. No .: 16 /517,632 CN 102485593 A 6/2012
( 22) Filed : Jul . 21 , 2019 CN 102627147 A 8/2012

( 65 ) Prior Publication Data * cited by examiner

US 2020/0023970 A1 Jan. 23 , 2020 Primary Examiner Rodney A Bonnette
(74 ) Attorney, Agent, or Firm — Ritchison Law Offices,
Related U.S. Application Data PC ; John D Ritchison
( 60 ) Provisional application No. 62 /701,731 , filed on Jul . ( 57 ) ABSTRACT
21 , 2018 .
The Electric Jetpack Device has multiple electric ducted or
(51 ) Int. Cl. clustered electric jets to create enough /sufficient controlled
B64C 39/02 ( 2006.01) thrust with battery power alone . It is a lightweight vertical
( 52 ) U.S. CI. take - off with the electrical power of rechargeable batteries
CPC B64C 39/026 (2013.01 ) for a safe, vertical lift off vehicle. It is capable of carrying
( 58 ) Field of Classification Search an average human or equivalent payload and flying for
CPC . B64C 39/026 ; B64C 27/20 ; B64C 2201/042 ; several minutes per charge. Motors and propellers are pow
B64C 2201/108 ered by the batteries and managed through an Electronic
See application file for complete search history . Speed Controller and a flight controller. The Flight Control
ler balances thrust and limits roll from side to side . By
( 56 ) References Cited moving the control handles connected and mounted to an
aluminum frame, the device and craft is directed . The pivots
U.S. PATENT DOCUMENTS tilt the cluster of jetpacks slightly forward or back . The
2,726,829 A 12/1955 Hillis frame is connected to a harness, in which the pilot is
3,243,144 A 3/1966 Hulbert et al . strapped. The craft is modular and can be connected to
6,488,232 B2 12/2002 Moshier another craft creating a “ quadcopter " set -up .
9,440,736 B2 9/2016 Bitar
10,364,028 B1 7/2019 Wilhour B64C 27/00 20 Claims , 13 Drawing Sheets

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U.S. Patent May 4, 2021 Sheet 1 of 13 US 10,994,841 B2

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U.S. Patent May 4, 2021 Sheet 2 of 13 US 10,994,841 B2

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U.S. Patent May 4, 2021 Sheet 3 of 13 US 10,994,841 B2

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U.S. Patent May 4, 2021 Sheet 4 of 13 US 10,994,841 B2

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U.S. Patent May 4, 2021 Sheet 5 of 13 US 10,994,841 B2

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U.S. Patent May 4, 2021 Sheet 6 of 13 US 10,994,841 B2

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U.S. Patent May 4, 2021 Sheet 7 of 13 US 10,994,841 B2

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U.S. Patent May 4, 2021 Sheet 8 of 13 US 10,994,841 B2

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U.S. Patent May 4, 2021 Sheet 9 of 13 US 10,994,841 B2

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U.S. Patent May 4, 2021 Sheet 10 of 13 US 10,994,841 B2

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U.S. Patent May 4 , 2021 Sheet 11 of 13 US 10,994,841 B2

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U.S. Patent May 4, 2021 Sheet 12 of 13 US 10,994,841 B2

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U.S. Patent May 4, 2021 Sheet 13 of 13 US 10,994,841 B2

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 US 10,994,841 B2
1 2
ELECTRIC JETPACK DEVICE motor - driven rotary -wing lift and propulsion. The operation
of a modern helicopter is significantly more expensive
CROSS - REFERENCE TO RELATED compared to a fixed - wing aircraft with comparable payload .
APPLICATIONS
5
Therefore, the usual fields of application limited to military
purposes and the area of air rescue .
This application claims the benefit of United States Pro- Today, there are vertical take -off and propulsion mecha
visional Patent Application with Ser. No. 62 /701,731 filed nisms . Some are relatively small and are designed to be
Jul . 21 , 2018 , by Pete Bitar. The application was entitled strapped onto a person's back while others are larger and can
“ An Electric Jetpack Device ” . be used to power an aircraft, such as a helicopter or an
10 airplane. A small power pack used to lift a person is
FIELD OF INVENTION sometimes referred to as a jetpack. Jetpacks usually include
some kind of motor or engine which can utilize air velocity
This Electric JetPack device invention relates to powered or water velocity to lift and propel a person through the air.
aircraft. A one -person -carrying electric, using a belt - like Some propulsion mechanisms can utilize a power driven
cluster of small , multiple electric JetPack thrusters, side -by- 15 shaft with radiating blades, propellers, vanes , wings , etc.
side ducted thrusters, vertical -takeoff -and - landing (VTOL ), placed so as to thrust air or water in a desired direction when
aircraft for individual transportation . More particularly, the spinning to generate sufficient force to lift and propel a
device relates to relatively small, lighter weight powered person through the air. Many of these devices operate on
aircraft capable of vertical take -offs and propulsion across fossil fuels, such as hydrogen, gasoline, propane or high
various terrain at low altitudes . This invention relates to a 20 octane jet fuel, while others infrequently rely on electrical
propulsion device which is capable to lifting and / or propel batteries.
ling a person or an aircraft, such as a helicopter or an Regardless of the different designs , there is constant effort
airplane, through the air. The uniqueness of the device is its by engineers to create a more efficient propulsion mecha
capability of using electrical power from batteries to propel nism . Thus, the need exists to provide a simple and cost
a person into flight with vertical take -off. This design covers 25 effective VTOL aircraft for at least one person . Now a
all such oriented electric manned aircraft, with partial propulsion mechanism has been invented which can gener
manual and partial electronic control. The device has several ate sufficient lift and mobility to propel a person or an
optional features which are explained within this applica- aircraft, such as a helicopter or an airplane, through the air
tion . For example, but not as a limitation , the system uses a 30 in an efficient and cost -effective manner.
belt - like cluster of small , multiple electric JetPack thrusters
ducted fans made of carbon fiber for light weight and Problems Solved
strength but can also be fabricated from a variety of other
materials. The system is capable of being carried by an The problems solved and addressed by this JetPack device
average human , or mounted to landing skids , and is capable in view of other small air transport vehicles strapped to
of flying for several minutes per charge, depending on the 35 individuals are many: The JetPack allows an operator to
number of batteries and energy density of the batteries being easily transport and propel himself and / or a payload at low
carried . altitudes across various terrains. The JetPack has multiple
electric ducted or clustered electric jets to create enough
FEDERALLY SPONSORED RESEARCH sufficient controlled thrust with battery power alone . In
40 addition , the device with its turbines is electric powered and
Not Applicable. not powered by combustible fuels so there is virtually no
dealing with heat, exhaust, and noise with these clustered
SEQUENCE LISTING OR PROGRAM small electric JetPacks . Further, the device is wearable by an
individual and fully portable. It has ducts that assist in thrust
Not Applicable. 45 and protect pilot from open blade hazards- so provides safe
wearability as compared to many other current Electric
BACKGROUND FIELD OF INVENTION AND Vertical Take Off and Landing ( EVTOL ) personal crafts . It
PRIOR ART can also be recharged at a remote location with the rotatable
turbines and motor - generator. Further, it can be utilized as a
An extensive search for similar devices yielded no 50 Search and Rescue vehicle to locate lost or help remote
remarkable results . As far as known , there are no Electric victims . I can have multiple thrust systems which are
JetPack Devices or the like that are functionally equivalent. clustered for redundancy and configuration. A feature
Further none demonstrate the electrical power from batteries around the turbines includes a safe , Kevlar shroud for the
in a lightweight, belt - like cluster of small , multiple electric turbine ducts. Design - wise it has a good percentage thrust
JetPack thrusters or framework and ducted propellers to 55 over load to permit better control. It can modularize for more
propel a person into flight with vertical take -off integral persons or cargo
wind turbine recharging capability. It is believed that this
product is unique in its design and technologies. Prior Art
In the early 1960 years jetpacks were developed with
which a single person can move the fly. Disadvantage of this, 60 As far as known , there are no Electric powered, personal
devices based on the reaction principle is the very short JetPack devices or the like . It is believed that this product is
flight time , the high energy consumption and the fact that unique in its design and technologies. A novelty search
due to the strong development of heat , the pilot must wear revealed :
insulating protective clothing. In addition, the pilot has a A. The US patent application 2002/0003188 and U.S. Pat.
defect in the drive had no opportunity to land controlled . 65 No. 6,488,232 by Moshier submitted entitled Single
Vertical take - off end of aircraft, such as helicopters belong passenger aircraft shows a single passenger aircraft
to the rotorcraft. In this case , generated by one or more configured to vertically take -off and land . An airframe
 US 10,994,841 B2
3 4
is configured to support the passenger in an upright and create conditions for reducing aircraft cost and
position during take -off and landing and during flight. improving thrift for usage . And,
The aircraft includes a pair of propulsion devices that G. Finally, another Chinese application CN102627147
are mounted on an airframe above the level of the pilot. published in 2012 describes a One -man flight vehicle
A set of hand operated control devices are mechanically 5 being capable of lifting vertically and provided with
linked to the propulsion devices for varying the orien- fixed wings . It discloses a wearing type one -man flight
tation of the propulsion devices during flight. vehicle having vertical lifting and horizontal flight
B. U.S. Pat . No. 3,243,144 by Hulbert was issued in 1966 functions and provided with fixed wings. The one - man
for Personal Propulsion Unit. This taught a Propul- flight vehicle is composed of wings , a horizontal tail , a
sion unit for rendering an individual airborn including 10 vertical tail , a main engine, a propeller, a safety har
a torso engaging portion, nozzels, thrust units and ness , a flight controller, a machine body, a tail engine,
components under the armpits of a user. a battery, a support arm , solar panels, a life - saving
C. Another U.S. Patent Application 2007/0290097 called parachute and a life -saving air bag . Active transition
a Vertical Takeoff and Landing Unit 90277306 was between vertical lifting and horizontal flight is achieved
provided by Ishiba in 2007. This invention showed an 15 through the tail engine, and remote flight is achieved
object of the invention is to prevent non - uniformity in through the wings with high aspect ratio . The wings,
the temperature distribution from occurring in a tip the horizontal tail , the vertical tail and the like can be
turbine fan in a vertical take - off and landing aircraft stored in a foldable mode, the large - area solar panels
that uses the tip turbine fan as a source of thrust. In a are installed on the surfaces of a plurality of portions of
vertical take - off and landing aircraft provided with a tip 20 the flight vehicle including the wings , and the whole
turbine fan in which a fan is rotated by blowing , in an flight vehicle becomes a huge solar charger after the
annular turbine chamber provided around a rotation wings are unfolded so that the problem of charging at
shaft of the fan at the center, compressed gas to a tip any time at any place is solved . The wearing type
turbine attached to the fan to enable vertical take -off one - man flight vehicle is simple in structure, the energy
and landing, three or more compressed gas intake ports 25 is green , a life -saving system is complete, and the
for supplying compressed gas to said turbine chamber application range is wide.
are provided at regular intervals along the circumfer- As can be observed , none of the prior art has anticipated
ence of the turbine chamber. or caused one skilled in the art of personal flight vehicles or
D. U.S. Patent Application 20140219784 was submitted devices to foresee this new invention by Bitar as obvious to
by Nourollah in 2014 for a Propulsion device. Here is 30 a person skilled in the ordinary art of the industry. The
demonstrated a propulsion device is disclosed which is Electric powered , personal JetPack provides an answer to
capable of lifting and / or propelling a person or an the simple device that solves the above stated problems.
aircraft, such as a helicopter or airplane, through the air.
E. A U.S. Pat. No. 2,726,829 was issued to Hillis in 1955 SUMMARY OF THE INVENTION
for a Circular Wing Aircraft. This is an aircraft having 35
a circular fixed wing and aileron and rudder for the This invention is an Electric JetPack Device . Taught here
same , the ailerons and rudder being at the periphery of are the ways a small , lightweight vertical take -off with the
the wing the ailerons being equally spaced about said electrical power of rechargeable batteries may be a safe ,
periphery, a source of power at the center of said wing , vertical lift off vehicle . The system is capable of being
a pair of contra - rotated blowers operated by said power 40 carried by an average human , or mounted to landing skids ,
source and arranged to force air out over the upper wing and is capable of flying for several minutes per charge,
surface, slots in the upper surface of the wing for depending on the number of batteries and energy density of
allowing a flow of air inwardly through said wing to the batteries being carried . Power is connected to the bat
said power source and to one of said blowers , a portion teries and managed through a 300-500 - amp Electronic
of said flow of air being employed for fuel combustion 45 Speed Controller (ESC ) , which is managed by a flight
in the power source , a support depending from said controller. The Flight Controller balances thrust, and limits
power source, a cabin space surrounding said support, roll from side to side . The ESCs then drive the motors ,
and landing wheels for supporting the cabin and entire which turn the cluster of small , multiple electric JetPack
structure from below, the exhaust from the engine being thrusters on a belt - like frame or turn an approximately
radially outwardly over the upper wing surface , and 50 33.75 - inch , 3 bladed propeller in a 34" inch , carbon - fiber
wherein substantially all of the air for blower and duct. The control of the craft's direction is effectuated by
engine operation is drawn in from the top of the craft. moving handles connected to pivot points, mounted to an
F. A Chinese application CN102485593 was published in aluminum frame. The pivots tilt the ducts slightly forward or
2010. This demonstrated a lift device floated one - seater back . The frame is connected to a harness, in which the pilot
jetpack. A power rotor apparatus or a culvert pipe 55 is strapped . The craft is also modular and can be connected
propeller apparatus generating upward lifting force is mechanically to another craft in the front or rear , creating a
connected to a pack rack through a link rod , and the “ quadcopter" setup , and the Flight Controller unit can be
power /lift device accounting for most of the structural programmed to then fly the now 2 - person craft, as a quad
weight will not effect on a user directly before depar- copter. Additional modules can be added to carry more
ture and after landing, therefore the user will not be 60 people , with the Flight Controller software modified accord
bound up by the power /lift device and feels no weight ingly. This design covers all such oriented electric manned
bearing; as a head is far from an engine and a rotor that aircraft, with partial manual and partial electronic control.
generate vibration and noise , flight quality is improved. The system uses a belt - like cluster of small , multiple electric
Stability of a device during departure, landing and JetPack thrusters or uses ducted fans made of carbon fiber
ground placement does not need to be considered like 65 for light weight and strength but can also be fabricated from
an existing device , so as to avoid abuse of large support a variety of other materials. The frame is connected to
of the existing device , save a lot of structural weight aluminum rings slightly larger than the diameter of the duct,
 US 10,994,841 B2
5 6
allowing the duct to be dropped into the ring and riveted in -continued
place . A “ lip ” or band around the propeller line is filled with
Kevlar aramid fiber to prevent spall damage if the prop is Item Advantage
somehow compromised. 5
11 Permits the operator to easily transport and propel
The preferred embodiment of the Electric JetPack Device himself and a payload at low altitudes across various
terrains
is a belt - like cluster Electric Jetpack Device comprised of:
( a) a cluster of small , multiple electric JetPack thrusters ,
each thruster including ( 1 ) an external, lightweight support Finally, other advantages and additional features of the
band ; ( 2 ) a support structure including a motor support, an 10 present Electric Jetpack Device will be more apparent from
electric motor, at least one propeller, a means for removably the accompanying drawings and from the full description of
securing the electric motor to the support structure , at least the device. For one skilled in the art of VTOL aircraft, s , and
one rechargeable electric battery, a means for removably electrical propulsion systems for vehicles, it is readily under
securing the electric battery to the support structure , a means stood that the features shown in the examples with this
for mechanically interconnecting the propeller and motor, 15 product are readily adapted to other types of electrically
and a means for electrically connecting the at least one propelled aircraft and similar systems and devices .
rechargeable battery pack to the electric motor ; and ( 3 ) a DESCRIPTION OF THE DRAWINGS FIGURES
means for structurally interconnecting the support structure,
the support band, and the fiber duct; ( b ) a pilot framework
made of durable materials and including a lightweight 20 The accompanying drawings, which are incorporated in
support structure ; a pair of handles pivotally secured to the and constitute a part of this specification, illustrate an
lightweight support structure by a set of pivotal connectors / embodiment of the Electric Jetpack Device . The drawings
pivot points ; a flight controller, used to manage a thrust from together with the summary description given above and a
the propeller, the flight controller being mechanically detailed description given below serve to explain the prin
secured to at least one of the handles and electrically 25
connected to the ESC ; and a harness, in which a pilot is
ciples of the Electric Jetpack Device. It is understood ,
however, that the device is not limited to only the precise
strapped , connected to the lightweight support structure ; and arrangements and instrumentalities shown .
( c ) the at least one rechargeable electric battery pack FIGS . 1 A through 1 D are sketches of the general Electric
whereby the battery pack is electrically connected and Jetpack device, a solid model, a prototype, and a belt - like
managed / controlled by an Electronic Speed Controller 30 cluster of small , multiple electric JetPack thrusters.
( ESC ) , which is managed by the flight controller. The FIGS . 2 A and 2 B are isometric view sketches of the solid
alternative embodiment replaces the belt - like cluster of model of the general Electric Jetpack device with compo
small , multiple electric JetPack thrusters with at least one nents and features noted .
thruster duct including an external, lightweight carbon fiber FIGS . 3 A through 3 C are front view sketches of a
duct . 35 prototype of the general Electric Jetpack device with the
The newly invented Electric JetPack Device can be manu components and features shown both on and off the operator
factured at low volumes by very simple means and in high and showing it summonsed to the operator.
volume production by more complex and controlled sys FIG . 4 is an isometric sketch of the general Electric
tems . Jetpack device having components and features shown .
40 FIG . 5 is a sketch of the lightweight framework for the
general Electric Jetpack device with the components and
OBJECTS AND ADVANTAGES features indicated .
FIGS . 6 A through 6 C are general sketches of a general
There are several objects and advantages of the Electric Electric Jetpack device with the lightweight framework and
JetPack Device . There are currently no personal VTOL 45 handles shown plus the framework connected to the thruster
aircraft or s known that are effective at providing the objects duct and the thruster duct in a Vertipod charging position .
of this invention . The Electric Jetpack Device : FIGS . 7 A through 7 D are front, side , isometric and top
views of the general Electric Jetpack device with compo
nents and features noted .
Item Advantage 50 FIGS . 8 A through 8 E are views of a prototype of the
1 Is able to use device for Search and Rescue help general Electric Jetpack device with general features and
2 Is Rechargeable remotely ( Vertipod option) components noted .
3 Can be modularized for more persons or cargo FIG . 9 is a basic electrical schematic for the general
4. Can use cluster motor and propellers Electric Jetpack device .
5 Has multiple electric ducted or clustered electric jets 55 FIGS . 10 A through 10 C are sketches of the general
to create enough / sufficient controlled thrust with Electric Jetpack device configured as modules to increase
battery power alone
6 Has turbines that are electric powered not combustible the capability for additional persons or payload to be trans
fuels so there is virtually no dealing with heat, ported .
exhaust, and noise FIGS . 11 A and 11 B are alternative thruster ducts with
7 The device is wearable by an individual and fully 60 small clusters of motors and propellers and the components
portable
8 Has ducts that assist in thrust and protect pilot from noted .
open blade hazards - so provides safe wear- ability as
compared to many other current Electric Vertical Take
FIGS . 12 A through 12 D are views of a general Electric
Off and Landing ( EVTOL ) personal crafts Jetpack device being operated by moving the thruster ducts
9 Can have safe , Kevlar shroud for ducts with the handles for guidance.
10 Has good percentage thrust over load to permit better 65 FIGS . 13 A through 13 E are build sketches of a general
control Electric Jetpack device with the components and features
shown and with the operator / pilot.
 US 10,994,841 B2
7 8
FIG . 14 A through 14 D are build sketches of a general TABLE B - continued
Electric Jetpack device with the components and features Reference numbers
shown and without the operator/pilot.
Ref # Description
DESCRIPTION OF THE 5
DRAWINGS REFERENCE NUMERALS 75 optional landing skid 75
76 structure 76 at the support band 46 to connect
one Electric Jetpack device 31 to a second or
The following list refers to the drawings: third , etc. Electric Jetpack device 31
77 structure 77 at the lightweight support frame
TABLE B 10 64 to connect one Electric Jetpack device 31
to a second or third , etc. Electric Jetpack
Reference numbers device 31
78 means 78 to electrically control a second or
Ref # Description third Electronic Speed Controller (ESC ) 69 on a
second or third device 31 and leave a first
31 Electric Jetpack device 31 15 Electronic Speed Controller ( ESC ) 69 of a first
32 design drawing 32 of the ducted Electric device 31 as master controller of the motors
Jetpack device 31 79
and thrust
33 solid drawing 33 of the Electric Jetpack small cluster 79 of more than one motor and
device 31 propellers configured within a support band 46
34 design drawing 34 of the multi- electric and as a replacement to the single motor 50 and
wearable Jetpack device 31 in an all 20
propeller 55 of the preferred device 31
lightweight metal structure 80 Vertipod - like control system 80 and motor/
35 prototype 35 of the Electric Jetpack device 31 generators to enable a recharging of the device
36 modules quad -copter 36 of the Electric Jetpack 31
device 31 85 electrical schematic 85 for device 31
37 single copter pod 37 of the Electric Jetpack 90 frame structure 90 (various cross sections
device 31 tubes , angle /I C etc. and various materials
40 thruster duct 40 with intake 41 , the carbon 25 steel , steel alloys , titanium , aluminum ;
filled fiber duct 43 with optional Kevlar composite metals , etc.
fibers, the motor mount structure 42 and 100 pilot , operator, user 100
support band 46 all which houses the electric
motors 50 , propeller blades 55 and the
mechanical means 47 for connecting the motor 50
to the structure 42 , the mechanical means 48
for connecting the propeller blades 55 to the
30 Detailed Description of Preferred Embodiment
motor 50 , the electrical means 49 to connect The present device is an Electric Jetpack Device . It relates
the motor 50 to the rechargeable battery pack
60 , and the mechanical/ structural means 46A to powered aircraft. A one -person - carrying electric, using
for connecting the support band 46 to the side -by -side <<
thrusters, vertical -takeoff -and - landing
41
motor mount structure 42
intake 41 35 (VTOL ), aircraft for individual transportation . More particu
42 motor mount structure 42 larly, the device relates to relatively small, lighter weight
43 the carbon filled fiber duct 43 with optional powered aircraft capable of vertical take -offs and propulsion
Kevlar fibers across various terrain at low altitudes. This invention relates
45
46
exhaust thrust 45
support band 46 aka fan ring
to a propulsion device which is capable to lifting and / or
46A the mechanical/structural means 46A for 40 propelling a person or an aircraft, such as a helicopter or an
connecting the support band 46 to the motor airplane, through the air. The uniqueness of the device is its
mount structure 42 capability of using electrical power from batteries to propel
47 mechanical means 47 for connecting the motor 50 a person into flight with vertical take -off . This design covers
to the structure 42
48 the mechanical means 48 for connecting the all such oriented electric manned aircraft, with partial
propeller blades 55 to the motor 50 45 manual and partial electronic control. The device has several
49 the electrical means 49 to connect the motor 50
to the rechargeable battery pack 60
optional features which are explained within this applica
50 electric motors 50
tion . For example, but not as a limitation , the system uses
51 means 51 to connect the rechargeable battery ducted fans made of carbon fiber for light weight and
pack 60 to the lightweight support frame 64 strength but can also be fabricated from a variety of other
55 propeller assembly 55
rechargeable battery pack 60
50 materials. The system is capable of being carried by an
60
63 pilot support structure 63 average human , or mounted to landing skids , and is capable
64 lightweight support frame 64 of flying for several minutes per charge , depending on the
65 guidance handles 65 number of batteries and energy density of the batteries being
66 flight controller 66 carried .
67 means 67 for electrically connecting flight 55 The advantages for the Electric Jetpack Device 31 are
controller 66 to the Electronic Speed
Controller ( ESC ) 69 listed above in the introduction . Succinctly the benefits are
68 means 68 for electrically connecting Electronic that the Personal Electric Helicopter device :
Speed Controller ( ESC ) 69 to the rechargeable
battery pack 60
A. Is able to use device for Search and Rescue help
69 Electronic Speed Controller ( ESC ) 69 , which is
B. Is Rechargeable remotely ( Vertipod option)
managed by the flight controller 66 60 C. Can be modularized for more persons or cargo
70 harness 70 D. Can use cluster motor and propellers
71 means 71 for removably connecting harness 70 to
lightweight support frame 64
E. Has multiple electric ducted or clustered electric jets to
72 means 72 for connecting pivot tubes 74 and create enough / sufficient controlled thrust with battery
handles 65 to thruster duct 40 power alone
73 back shoulder rest 73 65 F. Has turbines that are electric powered not combustible
74 pivot tubes 74 fuels so there is virtually no dealing with heat, exhaust,
and noise
 US 10,994,841 B2
9 10
G. The device is wearable by an individual and fully carried . Motors are connected and powered by the batteries
portable and managed through a 300-500 -amp Electronic Speed
H. Has ducts that assist in thrust and protect pilot from Controller (ESC ) , which is managed by a flight controller.
open blade hazards so provides safe wearability as The Flight Controller balances thrust, and limits roll from
compared to many other current Electric Vertical Take 5 side to side . The ESCs then drive the motors , which turn an
Off and Landing (EVTOL ) personal crafts approximately 33.75 - inch , 3 bladed propeller in a 34 " inch ,
I. Can have safe , Kevlar shroud for ducts carbon - fiber duct. By moving the handles connected to pivot
J. Has good percentage thrust over load to permit better points and mounted to an aluminum frame, the craft is
control controlled and directed . The pivots tilt the ducts slightly
K. Permits the operator to easily transport and propel 10 forward or back . The frame is connected to a harness, in
himself and a payload at low altitudes across various which the pilot is strapped. The craft is also modular and can
terrains be connected mechanically to another craft in the front or
The preferred embodiment of the Electric JetPack Device rear, creating a “ quadcopter " setup, and the Flight Controller
is a belt - like cluster Electric Jetpack Device comprised of: unit can be programmed to then fly the now 2 - person craft,
( a) a cluster of small , multiple electric JetPack thrusters, 15 as a quadcopter. Additional modules can be added to carry
each thruster including ( 1 ) an external, lightweight support more people , with the Flight Controller software modified
band ; ( 2 ) a support structure including a motor support, an accordingly. This design covers all such oriented electric
electric motor, at least one propeller, a means for removably manned aircraft, with partial manual and partial electronic
securing the electric motor to the support structure , at least control. The system uses ducted fans made of carbon fiber
one rechargeable electric battery, a means for removably 20 for light weight and strength but can also be fabricated from
securing the electric battery to the support structure , a means a variety of other materials. The frame is connected to
for mechanically interconnecting the propeller and motor, aluminum rings slightly larger than the diameter of the duct,
and a means for electrically connecting the at least one allowing the duct to be dropped into the ring and riveted in
rechargeable battery pack to the electric motor ; and ( 3 ) a place . A “ lip ” or band around the propeller line is filled with
means for structurally interconnecting the support structure , 25 Kevlar aramid fiber to prevent spall damage if the prop is
the support band , and the fiber duct; ( b ) a pilot framework somehow compromised.
made of durable materials and including a lightweight FIG . 1 A through 1 D are design sketches 32 of the general
support structure ; a pair of handles pivotally secured to the Electric Jetpack device 31 , a solid model 33 , prototype 35 ,
lightweight support structure by a set of pivotal connectors/ and a belt - like cluster of small , multiple electric JetPack
pivot points; a flight controller, used to manage a thrust from 30 thrusters. Here are demonstrated an Electric Jetpack device
the propeller, the flight controller being mechanically 31 ; a design drawing 32 of the ducted Electric Jetpack
secured to at least one of the handles and electrically device 31 ; a solid drawing 33 of the Electric Jetpack device
connected the ESC ; and a harness, in which a pilot is 31 ; a prototype 35 of the Electric Jetpack device 31 ; and a
strapped , connected to the lightweight support structure; and design drawing 34 of the multi - electric and wearable Jetpack
( c ) the at least one rechargeable electric battery pack 35 device 31 in an all lightweight metal structure .
whereby the battery pack is electrically connected and FIGS . 2 A and 2 B are isometric view sketches of the solid
managed / controlled by an Electronic Speed Controller model 33 of the general Electric Jetpack device 31 with
( ESC ) , which is managed by the flight controller. The components and features noted . These sketches show : a
alternative embodiment replaces the belt - like cluster of solid drawing 33 of the Electric Jetpack device 31 ; a thruster
small , multiple electric JetPack thrusters with at least one 40 duct 40 with intake 41 , the carbon filled fiber duct 43 with
thruster duct including an external, lightweight carbon fiber optional Kevlar fibers, the motor mount structure 42 and
duct. support band 46 all which houses the electric motors 50 ,
There is shown in FIGS. 1-12 a complete description and propeller blades 55 and the mechanical means 47 for con
operative embodiment of the Electric Jetpack Device. In the necting the motor 50 to the structure 42 , the mechanical
drawings and illustrations, one notes well that the FIGS . 45 means 48 for connecting the propeller blades 55 to the motor
1-12 demonstrate the general configuration and use of this 50 , the electrical means 49 to connect the motor 50 to the
product. The various example uses are in the operation and rechargeable battery pack 60 , and the mechanical/ structural
use section, below . means 46A for connecting the support band 46 to the motor
The accompanying drawings , which are incorporated in mount structure 42 such as welding, brazing , threaded
and constitute a part of this specification, illustrate an 50 fasteners , apertures / clips/ and cotter pins , epoxy, etc., a
embodiment of the Electric Jetpack Device 31 that is pre- motor mount structure 42 ; the carbon filled fiber duct 43
ferred . The drawings together with the summary description with optional Kevlar fibers or equal; a support band 46 aka
given above and a detailed description given below serve to fan ring; a mechanical means 47 for connecting the motor 50
explain the principles of the device 31. It is understood , to the structure 42 ; a mechanical means 48 for connecting
however, that the Electric Jetpack Device 31 is not limited 55 the propeller blades 55 to the motor 50 ; an electrical means
to only the precise arrangements and instrumentalities 49 to connect the motor 50 to the rechargeable battery pack
shown. Other examples of vertical takeoff aircraft and 60 ; electric motors 50 ; a propeller assembly 55 ; a recharge
devices and uses are still understood by one skilled in the art able battery pack 60 ; a pilot 100 support structure 63 ; a
of electrical vehicles, VTOL aircraft and such to be within lightweight support frame 64 ; a pair of guidance handles 65 ;
the scope and spirit shown here. 60 a flight controller 66 ; an Electronic Speed Controller (ESC )
The Electric Jetpack Device shows and demonstrates a 69 , which is managed by the flight controller 66 ; a back
way a small , lightweight vertical take -off with the electrical shoulder rest 73 ; and a pilot 100 .
power of rechargeable batteries may be a safe , vertical lift FIGS . 3 A through 3 C are front view sketches of a
off vehicle . The device is capable of being carried by an prototype 35 of the general Electric Jetpack device 31 with
average human , or mounted to landing skids , and is capable 65 the components and features shown both on and off the
of flying for several minutes per charge , depending on the operator, pilot 100 and showing it summonsed to the opera
number of batteries and energy density of the batteries being tor, pilot 100. Provided in these views are : an Electric
 US 10,994,841 B2
11 12
Jetpack device 31 ; a prototype 35 of the Electric Jetpack FIG . 6 A through 6 C are more general sketches of a
device 31 ; a thruster duct 40 with intake 41 , the carbon filled general Electric Jetpack device 31 with the lightweight
fiber duct 43 with optional Kevlar fibers, the motor mount framework 63 and handles 65 shown plus the framework 64
structure 42 and support band 46 all which houses the connected to the thruster duct 40 and the thruster duct 40 in
electric motors 50 , propeller blades 55 and the mechanical 5 a Vertipod 80 charging position . In these views , components
means 47 for connecting the motor 50 to the structure 42 , the that can be seen include : an Electric Jetpack device 31 ; a
mechanical means 48 for connecting the propeller blades 55 design drawing 32 of components for the ducted Electric
to the motor 50 , the electrical means 49 to connect the motor Jetpack device 31 ; a thruster duct 40 with intake 41 , the
50 to the rechargeable battery pack 60 , and the mechanical/ carbon filled fiber duct 43 with optional Kevlar fibers, the
structural means 46A for connecting the support band 46 to 10 motor
houses mount structure
the electric 42 and
motors support band
50 , propeller blades4655alland
which
the
the motor mount structure 42 ; an intake 41 ; the carbon filled mechanical means 47 for connecting the motor 50 to the
fiber duct 43 with optional Kevlar fibers ; an exhaust thrust structure 42 , the mechanical means 48 for connecting the
45 ; a support band 46 aka fan ring; a pilot 100 support propeller blades 55 to the motor 50 , the electrical means 49
structure 63 a lightweight support frame 64 ; a pair of 15 to connect the motor 50 to the rechargeable battery pack 60 ,
guidance handles 65 ; a harness 70 ; a means 71 for remov and the mechanical / structural means 46A for connecting the
ably connecting harness 70 to lightweight support frame 64 ; support band 46 to the motor mount structure 42 ; a mechani
a back shoulder rest 73 ; a set of pivot tubes 74 ; and a pilot cal/ structural means 46A for connecting the support band 46
100. In FIG . 3 C , Step 1 the prototype 35 of the general to the motor mount structure 42 ; a pilot 100 support structure
Electric Jetpack device 31 is separate from the pilot 100 and 20 63 a lightweight support frame 64 ; a means 72 for connect
" waiting on stand-by” to be called or summonsed by the ing pivot tubes 74 and handles 65 to thruster duct 40 ; a back
pilot 100. The pilot communicates electronically to the shoulder rest 73 ; a set of pivot tubes 74 ; and a Vertipod - like
device 35 and the device 31 , 35 starts up and automatically control system 80 and motor / generators to enable a recharg
is controlled by the controller 66 and Electronic Speed ing of the device 31 .
Controller (ESC ) 69 , which is managed by the flight con- 25 FIGS . 7 A through 7 D are front, side , isometric and top
troller 66 , and moves toward the pilot 100. In Step 2 , the design views 32 of the general ducted Electric Jetpack
pilot 100 engages and straps on the harness 70 to take full device 31 with components and features noted . Portrayed
control of the device 31 , 35 . components are : an Electric Jetpack device 31 ; a design
FIG . 4 is an isometric sketch 32 of the general ducted drawing 32 of the ducted Electric Jetpack device 31 ; a
Electric Jetpack device 31 having components and features 30 thruster duct 40 with intake 41 , the carbon filled fiber duct
shown. In this sketch, the components shown include: an 43 with optional Kevlar fibers, the motor mount structure 42
Electric Jetpack device 31 ; a design drawing 32 of the and support band 46 all which houses the electric motors 50 ,
ducted Electric Jetpack device 31 ; a motor mount structure propeller blades 55 and the mechanical means 47 for con
42 ; a support band 46 aka fan ring ; a mechanical/ structural necting the motor 50 to the structure 42 , the mechanical
means 46A for connecting the support band 46 to the motor 35 means 48 for connecting the propeller blades 55 to the motor
mount structure 42 ; a mechanical means 47 for connecting 50 , the electrical means 49 to connect the motor 50 to the
the motor 50 to the structure 42 ; an electrical means 49 to rechargeable battery pack 60 , and the mechanical / structural
connect the motor 50 to the rechargeable battery pack 60 ; a means 46A for connecting the support band 46 to the motor
rechargeable battery pack 60 ; a pilot 100 support structure mount structure 42 ; a motor mount structure 42 ; the carbon
63 a lightweight support frame 64 ; a pair of guidance 40 filled fiber duct 43 with optional Kevlar fibers or equal; a
handles 65 ; a flight controller 66 ; a means 67 for electrically support band 46 aka fan ring; a mechanical means 48 for
connecting flight controller 66 to the Electronic Speed connecting the propeller blades 55 to the motor 50 ; a
Controller (ESC) 69 ; a means 68 for electrically connecting lightweight support frame 64 ; a pair of guidance handles 65 ;
Electronic Speed ; a Controller ( ESC ) 69 to the rechargeable a back shoulder rest 73 ; and a pilot 100 .
battery pack 60 ; an Electronic Speed Controller ( ESC) 69 , 45 FIG . 8 A through 8 E are views of a prototype 35 of the
which is managed by the flight controller 66 ; a means 72 for general Electric Jetpack device 31 with general features and
connecting pivot tubes 74 and handles 65 to thruster duct 40 ; components noted . These views demonstrate and provide :
a back shoulder rest 73 ; a set of pivot tubes 74 ; and frame an Electric Jetpack device 31 ; a prototype 35 of the Electric
structure 90 ( various cross sections — tubes, angle /I C etc. Jetpack device 31 ; a thruster duct 40 with intake 41 , the
and various materials steel, steel alloys , titanium , alumi- 50 carbon filled fiber duct 43 with optional Kevlar fibers, the
num, composite metals, etc. motor mount structure 42 and support band 46 all which
FIG . 5 is a sketch of the lightweight framework 64 , 90 for houses the electric motors 50 , propeller blades 55 and the
the general Electric Jetpack device with the components and mechanical means 47 for connecting the motor 50 to the
features indicated . This view shows and demonstrates: com- structure 42 , the mechanical means 48 for connecting the
ponent parts for the Electric Jetpack device 31 ; a design 55 propeller blades 55 to the motor 50 , the electrical means 49
drawing 32 of the components for the ducted Electric to connect the motor 50 to the rechargeable battery pack 60 ,
Jetpack device 31 ; an electrical means 49 to connect the and the mechanical/ structural means 46A for connecting the
motor 50 to the rechargeable battery pack 60 ; a means 51 to support band 46 to the motor mount structure 42 ; a motor
connect the rechargeable battery pack 60 to the a lightweight mount structure 42 ; the carbon filled fiber duct 43 with
support frame 64 ; a means 67 for electrically connecting 60 optional Kevlar fibers; a support band 46 aka fan ring ; a
flight controller 66 to the Electronic Speed Controller (ESC ) mechanical/ structural means 46A for connecting the support
69 ; a means 66 for electrically connecting Electronic Speed ; band 46 to the motor mount structure 42 ; a rechargeable
a Controller (ESC ) 69 to the rechargeable battery pack 60 ; battery pack 60 ; a lightweight support frame 64 ; a pair of
an Electronic Speed Controller ( ESC ) 69 , which is managed guidance handles 65 ; an Electronic Speed Controller (ESC )
by the flight controller 66 ; a means 72 for connecting pivot 65 69 , which is managed by the flight controller 66 ; a harness
tubes 74 and handles 65 to thruster duct 40 ; a back shoulder 70 ; a means 71 for removably connecting harness 70 to
rest 73 ; and a set of pivot tubes 74 . lightweight support frame 64 ; a means 72 for connecting
 US 10,994,841 B2
13 14
pivot tubes 74 and handles 65 to thruster duct 40 ; a back of a variety of configurations. For example, and not as a
shoulder rest 73 ; a set of pivot tubes 74 ; and an optional limitation , the structures may be tubular ( round, oval ,
landing skid 75 . square , rectangular or other regular or non - regular polygonal
FIG . 9 is a basic electrical schematic for the general cross -sections ); the structures may be angles, Zees , Tees, “ I ”
Electric Jetpack device 31. Here is shown the electrical 5 or wide flange (“ W ” or “ H ” ) or other cross - sections not
schematic 65 for device 31. It is fairly self -explanatory for specifically identified . The materials for example and not
one skilled in the art of electrical power from batteries to limitation may be a metal like steel , a steel alloy, aluminum ,
electric motors . The prototype system is capable of being titanium , a composite plastic or any other light weight,
carried by an average human, or mounted to landing skids, durable material. The propellers may be a metal such as
and is capable of flying for several minutes per charge, 10 steel , steel alloy, aluminum , titanium ; a composite material;
depending on the number of batteries and energy density of a wood laminate, or other durable, light weight yet suffi
the batteries being carried . The current embodiment uses ciently strong material. Propellers are well known in the art
either 4 or 8 , 48 - volt batteries , powering two 90-100 volt of aircraft and may be selected from a plethora of styles and
motors , one in each duct. Power is connected to the batteries materials. The other components such as the harnesses ,
and managed through a 300-500 - amp Electronic Speed 15 connection components, skids and the like are likewise
Controller (ESC ) , which is managed by a flight controller. expected to be of lightweight, strong and durable materials
The Flight Controller balances thrust, and limits roll from shaped to appropriate configurations. However, these are
side to side . The ESCs then drive the motors , which turn a exemplary and lot limitations to other means which are well
33.75 - inch , 3 bladed propeller in a 34 " inch , carbon - fiber within the spirit and scope of the full embodiment of the
duct. This system anticipates various types of rechargeable 20 device 31. The entire propeller driven system , as just
battery back including but not limited to Nickle Cadmium described rotates around the fixed shaft which can have an
batteries, Nickle Metal Hydride batteries, Lithium - Ion bat- aperture ( hollow opening ) throughout its center. The various
teries , Small and sealed lead acid batteries . These may be control wiring is often guided along and through the struc
Absorbed glass mat (AGM ) battery or gel battery ( “ gel ture as is well known in the art of lightweight aircraft. Also ,
cell ” ). Other experimental types include Lithium sulfur, 25 a mount for the motor ( s ) 50 and battery (ies ) 60 are normally
Sodium - ion , Thin film lithium , Zinc -bromide, Zinc -cerium ,retained by a collar to the shaft. Thereby the battery ( ies ) is
Vanadium redox , Sodium -sulfur, Molten salt , and Silver- connected through cables (not shown ) to the motor ( s ) . The
zinc . One skilled in the art of rechargeable batteries also electric power from the battery powers the motor which
anticipates and fully expects other battery types to be transforms the stored electrical energy into kinetic energy
developed which will function well and be within the scope 30 and rotational power. This power is further transferred to the
and breadth of this new invention . propellers and the system shown or a functional equivalent.
FIGS . 10 A through 10 C are sketches of the general The motors 50 /battery system 60 may have relatively simple
Electric Jetpack device configured as modules to increase controls as one skilled in the art of electromechanical power
the capability for additional persons or payload to be trans- systems well appreciates. An optional remote - control system
ported . Shown in these views are an Electric Jetpack device 35 may be employed for using the device 31 as a drone,
31 configured as modules quad -copter 36 of the Electric non - human pilot - controlled aircraft if desired . This remote
Jetpack device 31 and a single copter pod 37 of the Electric system is also well known to those skilled in the art of
Jetpack device 31. The units still have the thruster duct 40 electrical and electronic remote -control systems .
with an intake 41 , the carbon filled fiber duct 43 with FIG . 6 C is a sketch of the general uplift means serviced
optional Kevlar fibers, the motor mount structure 42 and 40 with an alternative motor generator system for the general
support band 46 all which houses the electric motors 50 , Electric Jetpack device 31 with general features and com
propeller blades 55 and the mechanical means 47 for con- ponents noted . Here the system shows a motor generator
necting the motor 50 to the structure 42 , the mechanical option with converter controls. The motor generator or an
means 48 for connecting the propeller blades 55 to the motor equivalent motor variation permits the drive system to be
50 , the electrical means 49 to connect the motor 50 to the 45 reversed . The propellers then become a drive and take
rechargeable battery pack 60 , and the mechanical structural kinetic energy from the ambient wind , transfer it to rota
means 46A for connecting the support band 46 to the motor tional motion of the propellers which in turn drive the
mount structure 42. However, they are then grouped by system to turn the motor or motor generator and generate
structural means a structure 76 at the support band 46 to electricity to charge the battery ( ies ). Anticipated in the
connect one Electric Jetpack device 31 to a second or third , 50 electromechanical drive and charging system are some
etc. Electric Jetpack device 31. And then , a structure 77 at variation of a control / conversion system with Silicon Con
the lightweight support frame 64 to connect one Electric trolled Rectifiers ( SCRs ) or Field Effect Transistors (FETs ).
Jetpack device 31 to a second or third , etc. Electric Jetpack This type of control is well known to those skilled in the art
device 31. Finally, the electrical system is equipped with a of electrical and electronic control systems for electrome
means 78 to electrically control a second or third Electronic 55 chanical devices . This configuration is somewhat similar to
Speed Controller (ESC ) 69 on a second or third device 31 that in the Vertipod patent ( reference the “ VertiPod ” U.S.
and leave a first Electronic Speed Controller (ESC ) 69 of a Pat. No. 9,440,736 issued to Pete Bitar, Sep. 13 , 2016 ) .
first device 31 as the master controller ( no shown ) of the FIGS . 12 A through 12 D are views of a general Electric
motors and thrust. Jetpack device being operated by moving the thruster ducts
FIGS . 11 A and 11 B are alternative thruster ducts 40 with 60 40 - A and 40 - B with the handles for guidance. This is
small clusters 79 of motors 50 and propellers 55. Here the described in the operation section .
Electric Jetpack device 31 is now shown comprised with a FIGS . 13 A through 13 E are build sketches of a general
small cluster 79 of more than one motor and propellers electric clustered Electric Jetpack Device design drawings
configured within a support band 46 as a replacement to the 34 , 31 with the components and features shown and with the
single motor 50 and propeller 55 of the preferred device 31. 65 operator/ pilot 100. Here are shown a Front view — FIG . 13
The general Electric Jetpack Device and components A , a Side view — FIG . 13 B , a Top view — FIG . 13 C , a Front
were identified above . These frame structures 64,90 may be Isometric view — FIG . 13 D , and a Back Isometric view,
 US 10,994,841 B2
15 16
FIG . 13 D. Components and features demonstrated and describing an Electric Jetpack Device can be added as a
shown are : a special Electric JetPack device 31 ; a design person having ordinary skill in the field of VTOL aircraft, s ,
drawing 34 of the multi - electric and wearable Jetpack device and electrical propulsion systems.
31 in an all lightweight metal structure ; the motor mount
structure 42 and support band 46 all which houses the 5 OPERATION OF THE PREFERRED
electric motors 50 , propeller blades 55 and the mechanical EMBODIMENT
means 47 for connecting the motor 50 to the structure 42 , the
mechanical means 48 for connecting the propeller blades 55 The Electric Jetpack Device 31 Personal Electric Heli
to the motor 50 , the electrical means 49 to connect the motor copter device with an integral wind turbine recharging
50 to the rechargeable battery pack 60 , and the mechanical/ 10 capability has been described in the above embodiment. The
structural means 46A for connecting the support band 46 to manner of how the device operates is described below . One
the motor mount structure 42 , a motor mount structure 42 ; notes well that the description above and the operation
a support band 46 aka fan ring ; electric motors 50 ; a means described here must be taken together to fully illustrate the
51 to connect the rechargeable battery pack 60 to the a concept of the device . The preferred embodiment of the
lightweight support frame 64 ; a propeller assembly 55 a 15 Electric JetPack Device is a belt- like cluster Electric Jetpack
rechargeable battery pack 60 ; a pilot 100 support structure Device comprised of: ( a) a cluster of small , multiple electric
63 a lightweight support frame 64 ; a harness 70 ; a means 71 JetPack thrusters, each thruster including ( 1 ) an external,
for removably connecting harness 70 to lightweight support lightweight support band; ( 2 ) a support structure including a
frame 64 ; a back shoulder rest 73 ; an optional landing skid motor support, an electric motor, at least one propeller, a
75 ; a structure 76 at the support band 46 to connect one 20 means for removably securing the electric motor to the
Special Electric JetPack device 31 to a second or third , etc. support structure, at least one rechargeable electric battery,
and a pilot 100. Other components present are similar to a means for removably securing the electric battery to the
those depicted in the other sketches within this specification support structure , a means for mechanically interconnecting
and are included by reference . Note well the JetPack has the propeller and motor, and a means for electrically con
multiple electric ducted or clustered electric jets to create 25 necting the at least one rechargeable battery pack to the
enough / sufficient controlled thrust with battery power alone. electric motor ; and ( 3 ) a means for structurally intercon
In addition, the device with its turbines is electric powered necting the support structure, the support band, and the fiber
and not powered by combustible fuels so there is virtually no duct; ( b ) a pilot framework made of durable materials and
dealing with heat, exhaust, and noise with these clustered including a lightweight support structure ; a pair of handles
small electric JetPacks . Further, the device is wearable by an 30 pivotally secured to the lightweight support structure by a
individual and fully portable. It has ducts that assist in thrust set of pivotal connectors /pivot points; a flight controller,
and protect pilot from open blade hazards- so provides safe used to manage a thrust from the propeller, the flight
wearability as compared to many other current Electric controller being mechanically secured to at least one of the
Vertical Take Off and Landing ( EVTOL ) personal crafts . handles and electrically connected to the ESC ; and a har
FIGS . 14 A through 13 D are build sketches of a general 35 ness , in which a pilot is strapped, connected to the light
Electric Jetpack device with the components and features weight support structure ; and (c ) the at least one recharge
shown and without the operator /pilot 100. Also , these able electric battery pack whereby the battery pack is
sketches do not show the motor and turbines, only the space electrically connected and managed /controlled by an Elec
for them and the battery packs . Here are shown a Top tronic Speed Controller (ESC ) , which is managed by the
view — FIG . 14 A , a Front view — FIG . 14 B , a Side view 40 flight controller. The alternative embodiment replaces the
FIG . 14 C , and a Front Isometric view — FIG . 14 D. Com- belt - like cluster of small , multiple electric JetPack thrusters
ponents and features demonstrated and shown are : a special with at least one thruster duct including an external, light
Electric JetPack device 31 ; a design drawing 34 of the weight carbon fiber duct.
multi - electric and wearable Jetpack device 31 in an all The Electric Jetpack Device 31 operates as described
lightweight metal structure; the motor mount structure 42 45 here. The device is carried by an average human or mounted
and support band 46 all which houses the electric motors 50 , to landing skids . It is capable of flying for several minutes
propeller blades 55 and the mechanical means 47 for con- per charge, depending on the number of batteries and energy
necting the motor 50 to the structure 42 , the mechanical density of the batteries being carried . The current preferred
means 48 for connecting the propeller blades 55 to the motor embodiment uses either 4 or 8 , 48 -volt batteries, powering
50 , the electrical means 49 to connect the motor 50 to the 50 two 90-100 -volt motors , one in each duct. Power is from the
rechargeable battery pack 60 , and the mechanical/structural batteries connected to the drive motors and managed
means 46A for connecting the support band 46 to the motor through a 300-500 - amp Electronic Speed Controller ( ESC ) .
mount structure 42 ; a motor mount structure 42 ; a support The ESC is managed by a flight controller (like a simple
band 46 aka fan ring ; electric motors 50 ; a means 51 to stick with power control buttons / toggles. The Flight Con
connect the rechargeable battery pack 60 to the a lightweight 55 troller balances thrust, and limits roll from side to side. The
support frame 64 ; a propeller assembly 55 a rechargeable ESCs then drive the motors , which turn an approximate
battery pack 60 ; a pilot 100 support structure 63 a light- 33.75 - inch , 3 bladed propeller in a 34 " inch , carbon - fiber
weight support frame 64 ; a harness 70 ; a means 71 for duct. The directional control of the craft's direction is
removably connecting harness 70 to lightweight support effectuated by moving handles that are moveably connected
frame 64 ; a back shoulder rest 73 ; an optional landing skid 60 to pivot points, and the pivot points are mounted to an
75 ; a structure 76 at the support band 46 to connect one aluminum frame. The pivots tilt the ducts ( containing the
Special Electric JetPack device 31 to a second or third , etc. propellers and motors ) slightly forward or back . Tilting the
and a pilot 100. Other components present are similar to right duct forward and left duct back induces a yaw to the
those depicted in the other sketches within this specification left . Opposite induces a yaw to the right. Both handles
and are included by reference . 65 pushed back , tilting the ducts forward, induce forward flight,
The details mentioned here are exemplary and not limit- while both handles pushed forward — tilting the ducts
ing . Other specific components and manners specific to back - induce backward flight. Altitude is managed by
 US 10,994,841 B2
17 18
throttle, which may be attached to either one of the handles. device is “ summon able ” , allowing the operator, pilot 100 to
The frame is connected to a harness and the harness is what use a phone or handheld , helmet -mounted or other portable
the pilot is strapped into . The device or craft, with 4 , 48 -volt device to transmit a signal to the Jetpack 31 , allowing it to
batteries, weighs less than 70 pounds. Therefore, with a fly to the user and either land in proximity to the user or
200 - pound pilot , it can (as the prototype indicates) fly for 5 hover, allowing the user to attach to it , and for the device to
approximately 2 minutes per charge. Additional batteries fly the human 100 from that point. This would be accom
can be added , currently allowing up to fourteen ( 14 ) minutes plished through the device's controller 66 , 69 , which can
of flight time with a 200 -pound pilot . The craft currently will also be used for unoccupied drones /UAVs/multicopters that
produce a total of 394 pounds of thrust/ lift. A people and would control the craft in the same way, for example, a
device load of 70 pounds equals approximately 270 pounds 10 drone has a “ return to home” feature. This summon ability
to the lift to weight ratio is 394/ 270-1.45 . This shows a ratio would allow the device 31 to be in proximity to the user 100 ,
that permits a very good control ratio for the Electric Jetpack say in a vehicle or at a base station, on a charger, and then
Device 31. Note well that the uniqueness of the Jetpack come to the user when summoned, with a relatively full
includes : That the JetPack has multiple electric ducted or
clustered electric jets to create enough/sufficient controlled 15 charge (depending on distance to the user), and on -demand
such that the user 100 would not need to be carrying the
thrust with battery power alone . In addition, the device with Jetpack 31 in order to have quick access to it . This summon
its turbines is electric powered and not powered by com
bustible fuels so there is virtually no dealing with heat, ability could also be in the form of being dropped from
exhaust, and noise with these clustered small electric Jet- another aircraft or balloon, or even something satellite
Packs . Further, the device is wearable by an individual and 20 mounted , allowing for a re - entry vehicle and heat shield in
fully portable . It has ducts that assist in thrust and protect the case of something dropped from space .
pilot from open blade hazards so provides safe wearability The summoning system would use the summoning device
as compared to many other current Electric Vertical Take Off ( phone , computer, smartwatch , etc. ) to transmit a coded
and Landing (EVTOL ) personal crafts. signal either through radio waves directly to the Jetpack 31 ,
The device 31 is also modular and can be connected 25 or through the internet and a broadband connection. The
mechanically to another device 31 in the front or rear, Jetpack 31 could be on stand -by to receive such a signal ,
creating a “ quadcopter ” setup . Here the Flight Controller requiring it to be in minimal powered -on mode , which could
unit is programmed to fly the now coupled 2 - person craft, as be sustained by a small battery and / or solar panel , or through
a quadcopter. Additional modules can be added to carry its charging connection . The Jetpack's controller 66 , 69
more people and /or cargo with the Flight Controller soft- 30 would receive the summon signal and then use a mapping
ware modified accordingly. Optionally, the device 31 can program to find a clear path to the summoning user. The
also use motors that can act as generators (reference the Jetpack 31 would use collision - avoidance systems (radar/
" VertiPod” U.S. Pat . No. 9,440,736 issued to Pete Sep. LIDAR /ultrasound) as are common on multicopter drones,
13 , 2016 ) and spunbackwards in the wind to generate power to navigate around obstacles , and make its way to the user .
to recharge its batteries, through a power management 35 Upon arrival, it will either land on the ground next to the
system . user 100 , as pre -programmed by the user, or would hover
FIGS . 12 A through 12 D are views of a general prototype behind the user, allowing the user 100 to simply strap on the
35 Electric Jetpack Device 31 being operated by moving the harness 70 of the craft without lifting any weight. Once
thruster ducts 40 -A and 40 - B with the handles 65 for strapped in, the craft would switch to pilot -controlled flight,
guidance. FIG . 12 A show both thrusters 40 -A and 40 - B 40 allowing the pilot 100 to fly the craft with him or her in it .
essentially vertical aligned /perpendicular with the ground or Many uses are anticipated for an Electric Jetpack Device
horizon . Here the thrust is straight down , and the device 31 31. Some examples, and not limitations , are shown in the
travels vertically upward. FIG . 12 B shows both thrusters following Table .
40 -A and 40 - B essentially tipped forward and aligned angu
larly with the ground or horizon . Here the thrust is rear- 45 ITEM DESCRIPTION
wardly exhausted and the device 31 travels essentially
forward and a little upward . FIG . 12 C shows both thrusters 1 Short range personal
40 - J and 40 - B essentially tipped rearward and aligned transportation
Emergency /disaster relief
angularly with the ground or horizon . Here the thrust is 2
3 Fire watch
forwardly exhausted and the device 31 travels essentially 50 4 Military assist ( sniper, recon ,
backward and a little upward . FIG . 12 D shows thrusters SWAT team etc. )
40 - J is essentially tipped reward and thruster 40 - B tipped 5
6
Search and rescue
Military and Homeland security
forward and both 40 -A and 40 - B are somewhat aligned sighting needs for security
angularly with the ground or horizon . Here the thrust is a operations
mixed direction rearward and forward so that the device 31 55 7 Sport vehicle flying
travels essentially circularly to the right and a little upward 8
9
Cattle and livestock herding
Power line inspection
( left if the directions of 40 - A and 40 - B are reversed ). 10 Building inspection
In FIG . 3 C , Step 1 the prototype 35 of the general Electric
Jetpack device 31 is separate from the pilot 100 and “ waiting
on stand -by ” to be called or summonsed by the pilot 100. 60 With this description it is to be understood that the
The pilot communicates electronically to the device 35 and Electric Jetpack Device is not to be limited to only the
the device 31 , 35 starts up and automatically is controlled by disclosed embodiment of product. The features of the Elec
the controller 66 and Electronic Speed Controller (ESC ) 69 , tric Jetpack Device are intended to cover various modifica
which is managed by the flight controller 66 , and moves tions and equivalent arrangements included within the spirit
toward the pilot 100. In Step 2 , the pilot 100 engages and 65 and scope of the description .
straps on the harness 70 to take full control of the device 31 , While certain novel features of this invention have been
35. It is intended also that the system 31 will provide that the shown and described and are pointed out in the annexed
 US 10,994,841 B2
19 20
claims , it is not intended to be limited to the details above, described herein . Thus , the appended claims should be read
since it will be understood that various omissions , modifi- to be given their broadest interpretation in view of the prior
cations, substitutions and changes in the forms and details of art and the ordinary meaning of the claim terms.
the device illustrated and in its operation can be made by Unless otherwise indicated, all numbers or expressions ,
those skilled in the art without departing in any way from the 5 such as those expressing dimensions , physical characteris
spirit of the present invention . Without further analysis, the tics , etc. used in the specification ( other than the claims ) are
foregoing will so fully reveal the gist of the present inven- understood as modified in all instances by the term “ approxi
tion that others can , by applying current knowledge, readily mately .” At the very least , and not as an attempt to limit the
adapt it for various applications without omitting features application of the doctrine of equivalents to the claims , each
that, from the standpoint of prior art, fairly constitute 10 numerical parameter recited in the specification or claims
essential characteristics of the generic or specific aspects of which is modified by the term “ approximately ” should at
this invention . least be construed in light of the number of recited signifi
Unless defined otherwise , all technical and scientific cant digits and by applying ordinary rounding techniques.
terms used herein have the same meaning as commonly The present invention contemplates modifications as
understood by one of ordinary skill in the art to which these 15 would occur to those skilled in the art. While the disclosure
inventions belong . Although any methods and materials has been illustrated and described in detail in the figures and
similar or equivalent to those described herein can also be the foregoing description, the same is to be considered as
used in the practice or testing of the present inventions, the illustrative and not restrictive in character, it being under
preferred methods and materials are now described above in stood that only selected embodiments have been shown and
the foregoing paragraphs. 20 described and that all changes , modifications and equiva
Other embodiments of the invention are possible . lents that come within the spirit of the disclosures described
Although the description above contains much specificity, heretofore and or / defined by the following claims are
these should not be construed as limiting the scope of the desired to be protected .
invention , but as merely providing illustrations of some of What is claimed is :
the presently preferred embodiments of this invention. It is 25 1. A belt - like cluster Electric Jetpack Device comprised
also contemplated that various combinations or sub - combi- of:
nations of the specific features and aspects of the embodi- ( a) a cluster of small , multiple electric JetPack thrusters ,
ments may be made and still fall within the scope of the each thruster including
inventions. It should be understood that various features and ( 1 ) an external, lightweight support band ;
aspects of the disclosed embodiments can be combined with 30 (2 ) a support structure including a motor support, an
or substituted for one another in order to form varying electric motor, at least one propeller, a means for
modes of the disclosed inventions. Thus, it is intended that removably securing the electric motor to the support
the scope of at least some of the present inventions herein structure , at least one rechargeable electric battery , a
disclosed should not be limited by the particular disclosed means for removably securing the electric battery to
embodiments described above . 35 the support structure, a means for mechanically
The terms recited in the claims should be given their interconnecting the propeller and motor, and a means
ordinary and customary meaning as determined by reference for electrically connecting the at least one recharge
to relevant entries (e.g. , definition of “ plane” as a carpenter's able battery pack to the electric motor , and
tool would not be relevant to the use of the term “ plane ” (3 ) a means for structurally interconnecting the support
when used to refer to an airplane , etc. ) in dictionaries (e.g. , 40 structure, the support band , and a fiber duct;
widely used general reference dictionaries and / or relevant (b ) a pilot framework made of durable materials and
technical dictionaries ), commonly understood meanings by including a lightweight support structure ; a pair of
those in the art, etc., with the understanding that the broadest handles pivotally secured to the lightweight support
meaning imparted by any one or combination of these structure by a set of pivotal connectors /pivot points; a
sources should be given to the claim terms (e.g. , two or more 45 flight controller, used to manage a thrust from the
relevant dictionary entries should be combined to provide propeller, the flight controller being mechanically
the broadest meaning of the combination of entries, etc. ) secured to at least one of the handles and electrically
subject only to the following exceptions: ( a ) if a term is used connected to the ESC ; and a harness, in which a pilot
herein in a manner more expansive than its ordinary and is strapped, connected to the lightweight support struc
customary meaning , the term should be given its ordinary 50 ture ; and
and customary meaning plus the additional expansive mean- ( c ) the at least one rechargeable electric battery pack
ing , or ( b ) if a term has been explicitly defined to have a whereby the battery pack is electrically connected and
different meaning by reciting the term followed by the managed / controlled by an Electronic Speed Controller
phrase “ as used herein shall mean ” or similar language ( e.g. , ( ESC ) , which is managed by the flight controller
“ herein this term means," " as defined herein ,” “ for the 55 wherein the cluster of small , multiple electric JetPack
purposes of this disclosure [ the term ] shall mean ," etc. ). thrusters are wearable and portable by a pilot ; the
References to specific examples, use of “ i.e.,” use of the thrusters are quieter and have no combustion exhaust
word “ invention , ” etc. , are not meant to invoke exception ( b ) heat; and
or otherwise restrict the scope of the recited claim terms. the thrusters are safer without the larger propeller and
Other than situations where exception ( b ) applies , nothing 60 open blade hazards.
contained herein should be considered a disclaimer or dis- 2. The belt - like cluster Electric Jetpack Device in claim 1
avowal of claim scope . Accordingly, the subject matter being further comprised of an optional landing skid that is
recited in the claims is not coextensive with and should not removably connected to the pilot framework
be interpreted to be coextensive with any particular embodi- wherein the device is freestanding.
ment, feature, or combination of features shown herein . This 65 3. The belt - like cluster Electric Jetpack Device in claim 1
is true even if only a single embodiment of the particular wherein the at least one battery pack material is selected
feature or combination of features is illustrated and from a group consisting of Nickle Cadmium , Nickle Metal
 US 10,994,841 B2
21 22
Hydride, Lithium Ion , Small and sealed lead acid, Lithium consisting of welding , brazing , threaded fasteners, apertures/
sulfur, Sodium - ion , Thin film lithium , Zinc -bromide, Zinc- clips /and cotter pins , and epoxy.
cerium , Vanadium redox, Sodium - sulfur, Molten salt , and 13. The Electric Jetpack Device in claim 7 being further
Silver- zinc . comprised of a control system to use the device in a vertical
4. The belt - like cluster Electric Jetpack Device in claim 1 5 position as a wind catcher in order to recharge the recharge
wherein the durable materials for the pilot framework is able batteries.
selected from a group consisting of steel , steel alloys , 14. The Electric Jetpack Device in claim 7 is further
titanium , aluminum , and composite metal . comprising controls to provide a summons feature
5. The belt - like cluster Electric Jetpack Device in claim 1 wherein an operator can summons a remote Electric
wherein the means for structurally interconnecting the sup 10 Jetpack and bring it to a location of the operator for use .
port structure , the support band, and the fiber duct is selected 15. The Electric Jetpack Device in claim 7 being further
from a group consisting of welding, brazing, threaded fas- comprised a framework for mechanically connecting a first
teners, apertures /clips /and cotter pins , and epoxy . Electric Jetpack device to a second Electric Jetpack device
6. The belt - like cluster Electric Jetpack Device in claim 1 15 Wherein a set of the first and the second Electric Jetpack
is further comprising controls to provide a summons feature devices coupled with the flight controller can enable a
wherein an operator can summons a remote Electric 2 -person craft.
Jetpack and bring it to a location of the operator for use . 16. An Electric Jetpack Device comprised of:
7. An Electric Jetpack Device comprised of: ( a) at least one thruster duct including
(a ) at least one thruster duct including 20 ( 1 ) an external, lightweight carbon fiber duct whereby
( 1 ) an external, lightweight carbon fiber duct; the Fiber duct is made of an aramid fiber to prevent
(2 ) a support band; spall damage ;
(3 ) a support structure including a motor support, an (2 ) a support band ;
electric motor, at least one propeller, a means for (3 ) a support structure including a motor support, an
removably securing the electric motor to the support 25 electric motor, at least one propeller, a means for
structure, at least one rechargeable electric battery, a removably securing the electric motor to the support
means for removably securing the electric battery to structure , at least one rechargeable electric battery , a
the support structure, a means for mechanically means for removably securing the electric battery to
interconnecting the propeller and motor, and a means the support structure, a means for mechanically
for electrically connecting the at least one recharge- 30 interconnecting the propeller and motor, and a means
able battery pack to the electric motor , and for electrically connecting the at least one recharge
(4 ) a means for structurally interconnecting the support able battery pack to the electric motor ; and
structure, the support band, and the fiber (4 ) a means for structurally interconnecting the support
( b ) a pilot framework made of durable materials and structure , the support band , and the fiber duct;
including a lightweight support structure ; a pair of 35 (b ) a pilot framework made of durable materials and
handles pivotally secured to the lightweight support including a lightweight support structure ; a pair of
structure by a set of pivotal connectors /pivot points; a handles pivotally secured to the lightweight support
flight controller, used to manage a thrust from the structure by a set of pivotal connectors/pivot points; a
propeller, the flight controller being mechanically flight controller, used to manage a thrust from the
secured to at least one of the handles and electrically 40 propeller, the flight controller being mechanically
connected to the ESC ; and a harness, in which a pilot secured to at least one of the handles and electrically
is strapped , connected to the lightweight support struc- connected to the ESC ; and a harness , in which a pilot
ture; and is strapped , connected to the lightweight support struc
(c ) the at least one rechargeable electric battery pack ture ;
whereby the battery pack is electrically connected and 45 ( c ) the at least one rechargeable electric battery pack
managed /controlled by an Electronic Speed Controller whereby the battery pack is electrically connected and
(ESC ) , which is managed by the flight controller. managed / controlled by an Electronic Speed Controller
8. The Electric Jetpack Device in claim 7 being further (ESC ) , which is managed by the flight controller; and
comprised of an optional landing skid that is removably ( d) a landing skid that is removably connected to the pilot
connected to the pilot framework 50 framework to enable the device to be freestanding.
wherein the device is freestanding. 17. The Electric Jetpack Device in claim 16 wherein the
9. The Electric Jetpack Device in claim 7 wherein the fiber at least one battery pack material is selected from a group
duct is made of an aramid fiber that prevents spall damage. consisting of Nickle Cadmium , Nickle Metal Hydride,
10. The Electric Jetpack Device in claim 7 wherein the at Lithium Ion , Small and sealed lead acid , Lithium sulfur,
least one battery pack material is selected from a group 55 Sodium - ion, Thin film lithium , Zinc-bromide, Zinc -cerium ,
consisting of Nickle Cadmium , Nickle Metal Hydride, Vanadium redox , Sodium - sulfur, Molten salt , and Silver
Lithium Ion, Small and sealed lead acid , Lithium sulfur, zinc .
Sodium - ion, Thin film lithium , Zinc -bromide, Zinc -cerium , 18. The Electric Jetpack Device in claim 16 wherein the
Vanadium redox , Sodium -sulfur, Molten salt , and Silver- durable materials for the pilot framework is selected from a
zinc . 60 group consisting of steel , steel alloys , titanium , aluminum ,
11. The Electric Jetpack Device in claim 7 wherein the and composite metal.
durable materials for the pilot framework is selected from a 19. The Electric Jetpack Device in claim 16 being further
group consisting of steel , steel alloys , titanium , aluminum , comprised of a control system to use the device in a vertical
and composite metal . position as a wind catcher in order to recharge the recharge
12. The Electric Jetpack Device in claim 7 wherein the 65 able batteries.
means for structurally interconnecting the support structure , 20. The Electric Jetpack Device in claim 16 is further
the support band, and the fiber duct is selected from a group comprising controls to provide a summons feature
 US 10,994,841 B2
23 24
wherein an operator can summons a remote Electric
Jetpack and bring it to a location of the operator for use .