AU2020382759B2 - Improved rotor assemblies for axial flux machines - Google Patents

Improved rotor assemblies for axial flux machines Download PDF

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Publication number
AU2020382759B2
AU2020382759B2 AU2020382759A AU2020382759A AU2020382759B2 AU 2020382759 B2 AU2020382759 B2 AU 2020382759B2 AU 2020382759 A AU2020382759 A AU 2020382759A AU 2020382759 A AU2020382759 A AU 2020382759A AU 2020382759 B2 AU2020382759 B2 AU 2020382759B2
Authority
AU
Australia
Prior art keywords
support structure
magnet
rotor assembly
axial flux
annular surface
Prior art date
Legal status (The legal status 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 status listed.)
Active
Application number
AU2020382759A
Other languages
English (en)
Other versions
AU2020382759A1 (en
Inventor
George Harder MILHEIM
Steven Robert SHAW
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
eCircuit Motors Inc
Original Assignee
eCircuit Motors Inc
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
Priority claimed from US17/086,549 external-priority patent/US11005322B2/en
Application filed by eCircuit Motors Inc filed Critical eCircuit Motors Inc
Publication of AU2020382759A1 publication Critical patent/AU2020382759A1/en
Application granted granted Critical
Publication of AU2020382759B2 publication Critical patent/AU2020382759B2/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • H02K1/2793—Rotors axially facing stators
    • 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
    • H02K1/2793—Rotors axially facing stators
    • H02K1/2795—Rotors axially facing stators the rotor consisting of two or more circumferentially positioned magnets
    • H02K1/2798—Rotors axially facing stators the rotor consisting of two or more circumferentially positioned magnets where both axial sides of the stator face a rotor
    • 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
    • H02K1/28—Means for mounting or fastening rotating magnetic parts on to, or to, the rotor structures
    • 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
    • H02K1/28—Means for mounting or fastening rotating magnetic parts on to, or to, the rotor structures
    • H02K1/30—Means for mounting or fastening rotating magnetic parts on to, or to, the rotor structures using intermediate parts, e.g. spiders
    • 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
    • H02K21/24—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
    • H02K3/00—Details of windings
    • H02K3/04—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
    • H02K3/26—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors consisting of printed conductors
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K2201/00—Specific aspects not provided for in the other groups of this subclass relating to the magnetic circuits
    • H02K2201/03—Machines characterised by aspects of the air-gap between rotor and stator
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Permanent Field Magnets Of Synchronous Machinery (AREA)
  • Iron Core Of Rotating Electric Machines (AREA)
AU2020382759A 2019-11-12 2020-11-06 Improved rotor assemblies for axial flux machines Active AU2020382759B2 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201962934059P 2019-11-12 2019-11-12
US62/934,059 2019-11-12
US17/086,549 2020-11-02
US17/086,549 US11005322B2 (en) 2017-06-05 2020-11-02 Rotor assemblies for axial flux machines
PCT/US2020/059305 WO2021096767A1 (en) 2019-11-12 2020-11-06 Improved rotor assemblies for axial flux machines

Publications (2)

Publication Number Publication Date
AU2020382759A1 AU2020382759A1 (en) 2022-05-26
AU2020382759B2 true AU2020382759B2 (en) 2024-10-24

Family

ID=73699410

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2020382759A Active AU2020382759B2 (en) 2019-11-12 2020-11-06 Improved rotor assemblies for axial flux machines

Country Status (13)

Country Link
EP (1) EP4059120A1 (enExample)
JP (1) JP7724478B2 (enExample)
KR (1) KR102819393B1 (enExample)
CN (1) CN114731078A (enExample)
AU (1) AU2020382759B2 (enExample)
BR (1) BR112022007921A2 (enExample)
CA (1) CA3159768A1 (enExample)
MX (1) MX2022005735A (enExample)
MY (1) MY208793A (enExample)
PH (1) PH12022551122A1 (enExample)
TW (1) TWI871374B (enExample)
WO (1) WO2021096767A1 (enExample)
ZA (1) ZA202205802B (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3152198A1 (fr) * 2023-08-18 2025-02-21 Safran Electrical & Power Moteur électrique à flux axial amélioré
JP2025177042A (ja) * 2024-05-22 2025-12-05 株式会社デンソー 回転電機

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050194855A1 (en) * 2004-03-03 2005-09-08 Masahiro Hasebe Axial gap rotating electrical machine
JP2006006003A (ja) * 2004-06-16 2006-01-05 Victor Co Of Japan Ltd 偏平モータ
US20090072640A1 (en) * 2007-09-14 2009-03-19 Nissan Motor Co., Ltd. Axial gap-type electric motor
US20140042868A1 (en) * 2012-08-07 2014-02-13 Boulder Wind Power, Inc. Devices and methods for magnetic pole and back iron retention in electromagnetic machines
WO2016186533A1 (ru) * 2015-05-15 2016-11-24 Сергей Михайлович ЕСАКОВ Магнитоэлектрический генератор
EP3340436A1 (en) * 2015-08-18 2018-06-27 Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) Axial gap type dynamo-electric machine
CN207559710U (zh) * 2017-12-26 2018-06-29 上海硅泰电子有限公司 盘式电机的转子组件以及盘式电机
US20180351441A1 (en) * 2017-06-05 2018-12-06 E-Circuit Motors, Inc. Pre-warped rotors for control of magnet-stator gap in axial flux machines
CN109193984A (zh) * 2018-11-12 2019-01-11 仪坤动力科技（上海）有限公司 转子盘组件及盘式电机

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0629385U (ja) * 1992-09-04 1994-04-15 松下電器産業株式会社 ブラシレスモータ
ES2199138T3 (es) * 1999-02-12 2004-02-16 Helmut Schiller Maquina electrica.
US7109625B1 (en) * 2003-02-07 2006-09-19 Jore Lincoln M Conductor optimized axial field rotary energy device
GB0813032D0 (en) * 2008-07-16 2008-08-20 Cummins Generator Technologies Axial flux machine
TW201216593A (en) * 2010-10-04 2012-04-16 Area Green Energy Inc Light-weight method and performance adjustment method of light-weight electric motor
JP5880817B2 (ja) 2011-09-28 2016-03-09 日立工機株式会社 ディスクモータ及びそれを備えた電動作業機
US9800109B2 (en) 2015-10-02 2017-10-24 E-Circuit Motors, Inc. Structures and methods for controlling losses in printed circuit boards
US10170953B2 (en) 2015-10-02 2019-01-01 E-Circuit Motors, Inc. Planar composite structures and assemblies for axial flux motors and generators
US9673688B2 (en) * 2015-10-02 2017-06-06 E-Circuit Motors, Inc. Apparatus and method for forming a magnet assembly
US9673684B2 (en) 2015-10-02 2017-06-06 E-Circuit Motors, Inc. Structures and methods for thermal management in printed circuit board stators
CN109639005A (zh) * 2019-01-25 2019-04-16 三门峡速达交通节能科技股份有限公司 车辆、盘式电机的转子及盘式电机

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050194855A1 (en) * 2004-03-03 2005-09-08 Masahiro Hasebe Axial gap rotating electrical machine
JP2006006003A (ja) * 2004-06-16 2006-01-05 Victor Co Of Japan Ltd 偏平モータ
US20090072640A1 (en) * 2007-09-14 2009-03-19 Nissan Motor Co., Ltd. Axial gap-type electric motor
US20140042868A1 (en) * 2012-08-07 2014-02-13 Boulder Wind Power, Inc. Devices and methods for magnetic pole and back iron retention in electromagnetic machines
WO2016186533A1 (ru) * 2015-05-15 2016-11-24 Сергей Михайлович ЕСАКОВ Магнитоэлектрический генератор
EP3340436A1 (en) * 2015-08-18 2018-06-27 Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) Axial gap type dynamo-electric machine
US20180351441A1 (en) * 2017-06-05 2018-12-06 E-Circuit Motors, Inc. Pre-warped rotors for control of magnet-stator gap in axial flux machines
CN207559710U (zh) * 2017-12-26 2018-06-29 上海硅泰电子有限公司 盘式电机的转子组件以及盘式电机
CN109193984A (zh) * 2018-11-12 2019-01-11 仪坤动力科技（上海）有限公司 转子盘组件及盘式电机

Also Published As

Publication number Publication date
AU2020382759A1 (en) 2022-05-26
JP2022553874A (ja) 2022-12-26
TWI871374B (zh) 2025-02-01
JP7724478B2 (ja) 2025-08-18
CA3159768A1 (en) 2021-05-20
EP4059120A1 (en) 2022-09-21
MX2022005735A (es) 2022-06-09
BR112022007921A2 (pt) 2022-07-12
MY208793A (en) 2025-05-29
TW202139568A (zh) 2021-10-16
CN114731078A (zh) 2022-07-08
KR20220100001A (ko) 2022-07-14
ZA202205802B (en) 2024-09-25
WO2021096767A1 (en) 2021-05-20
KR102819393B1 (ko) 2025-06-11
PH12022551122A1 (en) 2023-08-23

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