IL290856B2 - Electric motor assembly rotating in the opposite direction - Google Patents

Electric motor assembly rotating in the opposite direction

Info

Publication number
IL290856B2
IL290856B2 IL290856A IL29085622A IL290856B2 IL 290856 B2 IL290856 B2 IL 290856B2 IL 290856 A IL290856 A IL 290856A IL 29085622 A IL29085622 A IL 29085622A IL 290856 B2 IL290856 B2 IL 290856B2
Authority
IL
Israel
Prior art keywords
rotational
hollow shaft
central
central hollow
shaft
Prior art date
Application number
IL290856A
Other languages
English (en)
Hebrew (he)
Other versions
IL290856B1 (en
IL290856A (en
Inventor
Randell J Wishart
Jonathan D Emigh
Jason Emigh
Ray Porter
Original Assignee
Cr Flight L L C
Randell J Wishart
Jonathan D Emigh
Jason Emigh
Ray Porter
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Cr Flight L L C, Randell J Wishart, Jonathan D Emigh, Jason Emigh, Ray Porter filed Critical Cr Flight L L C
Publication of IL290856A publication Critical patent/IL290856A/en
Publication of IL290856B1 publication Critical patent/IL290856B1/en
Publication of IL290856B2 publication Critical patent/IL290856B2/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C27/00—Rotorcraft; Rotors peculiar thereto
    • B64C27/04—Helicopters
    • B64C27/12—Rotor drives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
    • B64D27/00—Arrangement or mounting of power plants in aircraft; Aircraft characterised by the type or position of power plants
    • B64D27/02—Aircraft characterised by the type or position of power plants
    • B64D27/24—Aircraft characterised by the type or position of power plants using steam or spring force
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
    • B64D27/00—Arrangement or mounting of power plants in aircraft; Aircraft characterised by the type or position of power plants
    • B64D27/02—Aircraft characterised by the type or position of power plants
    • B64D27/30—Aircraft characterised by electric power plants
    • B64D27/34—All-electric aircraft
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
    • B64U50/00—Propulsion; Power supply
    • B64U50/10—Propulsion
    • B64U50/19—Propulsion using electrically powered motors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
    • B64U50/00—Propulsion; Power supply
    • B64U50/30—Supply or distribution of electrical power
    • B64U50/39—Battery swapping
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/22—Rotating parts of the magnetic circuit
    • H02K1/27—Rotor cores with permanent magnets
    • H02K1/2786—Outer rotors
    • H02K1/2787—Outer rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
    • H02K1/2789—Outer rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets
    • H02K1/2791—Surface mounted magnets; Inset magnets
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
    • H02K11/30—Structural association with control circuits or drive circuits
    • H02K11/33—Drive circuits, e.g. power electronics
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K13/00—Structural associations of current collectors with motors or generators, e.g. brush mounting plates or connections to windings; Disposition of current collectors in motors or generators; Arrangements for improving commutation
    • H02K13/003—Structural associations of slip-rings
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K16/00—Machines with more than one rotor or stator
    • H02K16/005—Machines with only rotors, e.g. counter-rotating rotors
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K16/00—Machines with more than one rotor or stator
    • H02K16/02—Machines with one stator and two or more rotors
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
    • H02K21/12—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets
    • H02K21/22—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating around the armatures, e.g. flywheel magnetos
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
    • H02K21/12—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets
    • H02K21/24—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets axially facing the armatures, e.g. hub-type cycle dynamos
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K23/00—DC commutator motors or generators having mechanical commutator; Universal AC/DC commutator motors
    • H02K23/60—Motors or generators having rotating armatures and rotating excitation field
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
    • H02K5/173—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using bearings with rolling contact, e.g. ball bearings
    • H02K5/1732—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using bearings with rolling contact, e.g. ball bearings radially supporting the rotary shaft at both ends of the rotor
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/24—Casings; Enclosures; Supports specially adapted for suppression or reduction of noise or vibrations
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/003—Couplings; Details of shafts
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/08—Structural association with bearings
    • H02K7/086—Structural association with bearings radially supporting the rotor around a fixed spindle; radially supporting the rotor directly
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/14—Structural association with mechanical loads, e.g. with hand-held machine tools or fans
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C11/00—Propellers, e.g. of ducted type; Features common to propellers and rotors for rotorcraft
    • B64C11/46—Arrangements of, or constructional features peculiar to, multiple propellers
    • B64C11/48—Units of two or more coaxial propellers
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K2213/00—Specific aspects, not otherwise provided for and not covered by codes H02K2201/00 - H02K2211/00
    • H02K2213/03—Machines characterised by numerical values, ranges, mathematical expressions or similar information
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T50/00—Aeronautics or air transport
    • Y02T50/60—Efficient propulsion technologies, e.g. for aircraft

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Motor Or Generator Current Collectors (AREA)
IL290856A 2019-08-29 2020-08-25 Electric motor assembly rotating in the opposite direction IL290856B2 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US201962893293P 2019-08-29 2019-08-29
US201962893290P 2019-08-29 2019-08-29
US202062993594P 2020-03-23 2020-03-23
PCT/US2020/047836 WO2021041434A1 (en) 2019-08-29 2020-08-25 Counter-rotating differential electric motor assembly

Publications (3)

Publication Number Publication Date
IL290856A IL290856A (en) 2022-04-01
IL290856B1 IL290856B1 (en) 2025-03-01
IL290856B2 true IL290856B2 (en) 2025-07-01

Family

ID=74685813

Family Applications (1)

Application Number Title Priority Date Filing Date
IL290856A IL290856B2 (en) 2019-08-29 2020-08-25 Electric motor assembly rotating in the opposite direction

Country Status (10)

Country Link
US (3) US20220239201A1 (https=)
EP (2) EP4022745B1 (https=)
JP (1) JP2022546371A (https=)
KR (1) KR102806115B1 (https=)
CN (1) CN114303304B (https=)
AU (1) AU2020336060B2 (https=)
CA (1) CA3152270C (https=)
IL (1) IL290856B2 (https=)
WO (2) WO2021041435A1 (https=)
ZA (1) ZA202201797B (https=)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021041435A1 (en) 2019-08-29 2021-03-04 Cr Flight L.L.C. Counter-rotating differential electric motor assembly slip ring assembly
KR20230018388A (ko) * 2020-06-01 2023-02-07 씨알 플라이트 엘.엘.씨. 선호되는 윤활제를 갖는 로터리 전기 변환기
CN112615443B (zh) * 2020-12-28 2025-02-28 广州市浩洋电子股份有限公司 一种扁平型效果模块以及具有其的舞台灯
US12384521B2 (en) * 2022-11-28 2025-08-12 Jonathan Christian Russ Electric motor propeller system

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20170217566A1 (en) * 2016-02-03 2017-08-03 Nidec Elesys Corporation Motor and propeller thrust generating device
US10116187B1 (en) * 2015-10-02 2018-10-30 Cr Flight Llc Thin-profile counter-rotating differential electric motor assembly

Family Cites Families (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1493859A (en) * 1922-02-16 1924-05-13 Westinghouse Electric & Mfg Co Collector rings and method of making same
US2774898A (en) * 1953-06-15 1956-12-18 Tourneau Robert G Le Slip ring construction
US4011488A (en) * 1975-03-19 1977-03-08 Corbin Gentry Inc. Linear field control motor
US4175809A (en) * 1978-04-07 1979-11-27 Dusko Joseph R Rotatable electrical connector units and lighting devices incorporating same
US5470236A (en) * 1994-02-22 1995-11-28 Amity Machine Corp. Rotating joint for aerial ladders
CA2176047C (en) * 1995-05-22 2000-04-11 Mohi Sobhani Spring loaded rotary connector
JP2761868B2 (ja) * 1996-06-05 1998-06-04 西芝電機株式会社 二重反転プロペラ駆動装置
AU3737997A (en) * 1996-07-30 1998-02-20 Fifth Dimension, Inc. Brushless slip ring using rolling elements as electrical conductors
RO120023B1 (ro) * 1999-05-26 2005-07-29 Iancu Lungu Motor electric de curent continuu, cu comutaţie electronică
US6249058B1 (en) * 1999-12-03 2001-06-19 Monte L. Rea Wind driven generator having counter-rotating armature and rotor
US6299454B1 (en) * 2000-03-23 2001-10-09 Methode Electronics, Inc. Steering column interconnector having conductive elastic rolling contacts
NL1017236C2 (nl) * 2001-01-30 2002-07-31 Ocu Technologies B V Rotatieconnector en een werkwijze voor het vervaardigen van een dergelijke connector.
US20030129855A1 (en) * 2001-12-21 2003-07-10 Douglas Richard E. Current collector assembly and method
US6758465B1 (en) * 2002-03-05 2004-07-06 Smalley Steel Ring Company Wave spring with single shim end
CN201061064Y (zh) * 2007-04-18 2008-05-14 曲成 盘式导电滑环
KR100839485B1 (ko) 2007-12-27 2008-06-19 제너럴로터(주) 다수 로터블레이드가 장착된 수직축 풍력발전장치
EP2081276A1 (en) 2008-01-21 2009-07-22 Marco Cipriani Electro-magnetical device with reversible generator-motor operation
US8198773B2 (en) 2008-05-02 2012-06-12 E-Wish Technology, Llc Increased efficiency counter-rotating electric motor for propelling a boat
US20100236849A1 (en) * 2008-05-02 2010-09-23 Wishart Randell J Brushless counter-rotating electric apparatus and system
US8253294B1 (en) 2008-05-02 2012-08-28 E-Wish Technology, Llc Increased efficiency dual rotational electric motor/generator
ITPN20080054A1 (it) * 2008-06-30 2010-01-01 Nice Spa Dispositivo per alimentare il motoriduttore tubolare di un azionamento
CN201294321Y (zh) * 2008-09-02 2009-08-19 明源工业股份有限公司 360度旋转吊扇的分电盘结构
BRPI0914067A2 (pt) * 2008-10-09 2015-10-27 Biro Air Energy Inc aparelho alimentado por vento com lâminas rotativas de contador
US8531072B2 (en) 2011-02-16 2013-09-10 E-Wish Technology, Llc Dual-mode counter-rotating-to-traditional electric motor and system
DE102011105759A1 (de) * 2011-06-24 2012-12-27 Kolektor Group D.O.O. Dynamoelektrische Maschine
KR101377804B1 (ko) * 2012-05-22 2014-03-26 보국전기공업 주식회사 양방향 발전장치
CN203260880U (zh) * 2012-12-19 2013-10-30 华南理工大学 一种环式集电器
EP2928028A3 (en) * 2014-04-04 2016-01-06 Samsung Electro-Mechanics Co., Ltd. Slip ring
DE102016212008A1 (de) * 2016-07-01 2018-01-04 Bayerische Motoren Werke Aktiengesellschaft Schleifringsystem und Elektromaschine mit solch einem Schleifringsystem
WO2018106611A1 (en) * 2016-12-08 2018-06-14 Cr Flight High current and rpm-capable slip ring assembly
EP3895258B1 (en) * 2018-12-14 2023-10-18 Saint-Augustin Canada Electric Inc. A slip ring assembly
WO2021041435A1 (en) 2019-08-29 2021-03-04 Cr Flight L.L.C. Counter-rotating differential electric motor assembly slip ring assembly

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10116187B1 (en) * 2015-10-02 2018-10-30 Cr Flight Llc Thin-profile counter-rotating differential electric motor assembly
US20170217566A1 (en) * 2016-02-03 2017-08-03 Nidec Elesys Corporation Motor and propeller thrust generating device

Also Published As

Publication number Publication date
IL290856B1 (en) 2025-03-01
IL290856A (en) 2022-04-01
CA3152270C (en) 2025-03-18
US12027950B2 (en) 2024-07-02
WO2021041435A1 (en) 2021-03-04
AU2020336060A1 (en) 2022-03-03
US20220239201A1 (en) 2022-07-28
KR102806115B1 (ko) 2025-05-12
US20220239187A1 (en) 2022-07-28
ZA202201797B (en) 2024-06-26
CN114303304B (zh) 2024-06-21
CA3152270A1 (en) 2021-03-04
AU2020336060B2 (en) 2025-04-10
EP4022723A4 (en) 2023-09-20
CN114303304A (zh) 2022-04-08
EP4022723A1 (en) 2022-07-06
JP2022546371A (ja) 2022-11-04
EP4022745A1 (en) 2022-07-06
EP4022745A4 (en) 2023-10-25
WO2021041434A1 (en) 2021-03-04
KR20220051343A (ko) 2022-04-26
EP4022745B1 (en) 2024-05-15
US20250246968A1 (en) 2025-07-31

Similar Documents

Publication Publication Date Title
US12027950B2 (en) Counter-rotating differential electric motor assembly
EP3625123B1 (en) Combined fan and motor
US10938172B2 (en) High current and RPM-capable slip ring assembly
EP2727840A2 (en) Ram air turbine generator with external rotor having permanent magnets
WO2002086298A2 (en) Heating device and method for deployable ram air turbine
EP3297135B1 (en) Dynamo/motor with built-in speed converter
WO2007081358A2 (en) Discoidal flying craft
IL286195B2 (en) Assembly of a rotating axial electric motor
EP3683449B1 (de) Magnetlager und vakuumgerät
JP6155320B2 (ja) 安全装置を有する電気機械式フライホイール
US11581782B2 (en) Electric propulsion system
WO2025125830A1 (en) An electromagnetic propulsion system for aerial vehicles
WO2025136404A1 (en) Minimal length generator with nested components and multiple function carrier