ZA202201797B - Counter-rotating differential electric motor assembly - Google Patents

Counter-rotating differential electric motor assembly

Info

Publication number
ZA202201797B
ZA202201797B ZA2022/01797A ZA202201797A ZA202201797B ZA 202201797 B ZA202201797 B ZA 202201797B ZA 2022/01797 A ZA2022/01797 A ZA 2022/01797A ZA 202201797 A ZA202201797 A ZA 202201797A ZA 202201797 B ZA202201797 B ZA 202201797B
Authority
ZA
South Africa
Prior art keywords
electric motor
motor assembly
counter
differential electric
central shaft
Prior art date
Application number
ZA2022/01797A
Other languages
English (en)
Inventor
J Wishart Randell
D Emigh Jonathan
Emigh Jason
Porter Ray
Original Assignee
Cr Flight L L C
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 filed Critical Cr Flight L L C
Publication of ZA202201797B publication Critical patent/ZA202201797B/en

Links

Classifications

    • 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
    • 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
    • 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)
ZA2022/01797A 2019-08-29 2022-02-10 Counter-rotating differential electric motor assembly ZA202201797B (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 (1)

Publication Number Publication Date
ZA202201797B true ZA202201797B (en) 2024-06-26

Family

ID=74685813

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA2022/01797A ZA202201797B (en) 2019-08-29 2022-02-10 Counter-rotating differential electric motor assembly

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

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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
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US5470236A (en) * 1994-02-22 1995-11-28 Amity Machine Corp. Rotating joint for aerial ladders
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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
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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
IL290856B2 (en) 2025-07-01
AU2020336060A1 (en) 2022-03-03
US20220239201A1 (en) 2022-07-28
KR102806115B1 (ko) 2025-05-12
US20220239187A1 (en) 2022-07-28
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

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