CA3159768A1 - Improved rotor assemblies for axial flux machines - Google Patents

Improved rotor assemblies for axial flux machines

Info

Publication number
CA3159768A1
CA3159768A1 CA3159768A CA3159768A CA3159768A1 CA 3159768 A1 CA3159768 A1 CA 3159768A1 CA 3159768 A CA3159768 A CA 3159768A CA 3159768 A CA3159768 A CA 3159768A CA 3159768 A1 CA3159768 A1 CA 3159768A1
Authority
CA
Canada
Prior art keywords
support structure
magnet
rotor
axial flux
rotor assembly
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.)
Pending
Application number
CA3159768A
Other languages
English (en)
French (fr)
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 CA3159768A1 publication Critical patent/CA3159768A1/en
Pending legal-status Critical Current

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
    • 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
    • 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
    • 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)
CA3159768A 2019-11-12 2020-11-06 Improved rotor assemblies for axial flux machines Pending CA3159768A1 (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 (1)

Publication Number Publication Date
CA3159768A1 true CA3159768A1 (en) 2021-05-20

Family

ID=73699410

Family Applications (1)

Application Number Title Priority Date Filing Date
CA3159768A Pending CA3159768A1 (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)

Cited By (1)

* 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

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2025177042A (ja) * 2024-05-22 2025-12-05 株式会社デンソー 回転電機

Family Cites Families (20)

* 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
US7187098B2 (en) * 2004-03-03 2007-03-06 Kabushikikaisha Equos Research Axial gap rotating electrical machine
JP4342380B2 (ja) * 2004-06-16 2009-10-14 アルファナ テクノロジー株式会社 偏平モータ
JP5061806B2 (ja) * 2007-09-14 2012-10-31 日産自動車株式会社 アキシャルギャップ型回転電機
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
US8716913B2 (en) * 2012-08-07 2014-05-06 Boulder Wind Power, Inc. Devices and methods for magnetic pole and back iron retention in electromagnetic machines
RU2581338C1 (ru) * 2015-05-15 2016-04-20 Сергей Михайлович Есаков Магнитоэлектрический генератор
WO2017029926A1 (ja) * 2015-08-18 2017-02-23 株式会社神戸製鋼所 アキシャルギャップ型回転電機
US11121614B2 (en) 2017-06-05 2021-09-14 E-Circuit Motors, Inc. Pre-warped rotors for control of magnet-stator gap in axial flux machines
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
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
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

Cited By (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
WO2025040857A1 (fr) * 2023-08-18 2025-02-27 Safran Electrical & Power Moteur electrique a flux axial ameliore

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
AU2020382759B2 (en) 2024-10-24
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

Similar Documents

Publication Publication Date Title
US11855484B2 (en) Rotor assemblies for axial flux machines
EP3635848B1 (en) Pre-warped rotors for control of magnet-stator gap in axial flux machines
EP1193827B1 (en) Rotor structure for permanent-magnet motor
CN102035281B (zh) 具有最小齿槽转矩的电机
US7990011B2 (en) Rotor for electric motor
JP5068951B2 (ja) モータ用ロータの製造方法および製造装置
EP3340436A1 (en) Axial gap type dynamo-electric machine
US9621002B2 (en) Permanent magnet rotor for an electronically commutated DC motor
AU2020382759B2 (en) Improved rotor assemblies for axial flux machines
EP3787160A1 (en) Generator
US7109630B2 (en) Electric rotating machine and manufacturing process thereof
JP6148206B2 (ja) 回転電機用ロータ
CN112260438A (zh) 电机及其转子
JP7373394B2 (ja) 回転電機
JP5754325B2 (ja) 回転電機のロータおよびロータの組付方法
US20250007380A1 (en) Rotor and magnetic wave gear device
CN110034621B (zh) 旋转电机的转子
JP2008312366A (ja) 回転電機及びそのコア
HK40019102B (en) Pre-warped rotors for control of magnet-stator gap in axial flux machines
HK40019102A (en) Pre-warped rotors for control of magnet-stator gap in axial flux machines
WO2022254679A1 (ja) ロータ及びロータの製造方法

Legal Events

Date Code Title Description
D11 Substantive examination requested

Free format text: ST27 STATUS EVENT CODE: A-1-1-D10-D11-D117 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: REQUEST FOR EXAMINATION RECEIVED

Effective date: 20241004

D16 Fast track examination requested

Free format text: ST27 STATUS EVENT CODE: A-1-1-D10-D16-D108 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: ADVANCED EXAMINATION REQUESTED - PPH

Effective date: 20241004

P11 Amendment of application requested

Free format text: ST27 STATUS EVENT CODE: A-1-1-P10-P11-P101 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: AMENDMENT RECEIVED - VOLUNTARY AMENDMENT

Effective date: 20241004

U00 Fee paid

Free format text: ST27 STATUS EVENT CODE: A-1-1-U10-U00-U107 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: REFUND REQUEST RECEIVED

Effective date: 20241008

MFA Maintenance fee for application paid

Free format text: FEE DESCRIPTION TEXT: MF (APPLICATION, 4TH ANNIV.) - STANDARD

Year of fee payment: 4

U00 Fee paid

Free format text: ST27 STATUS EVENT CODE: A-1-1-U10-U00-U101 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: MAINTENANCE REQUEST RECEIVED

Effective date: 20241101

U11 Full renewal or maintenance fee paid

Free format text: ST27 STATUS EVENT CODE: A-1-1-U10-U11-U102 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: MAINTENANCE FEE PAYMENT DETERMINED COMPLIANT

Effective date: 20241101

Free format text: ST27 STATUS EVENT CODE: A-1-1-U10-U11-U102 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: MAINTENANCE FEE PAYMENT PAID IN FULL

Effective date: 20241101

W00 Other event occurred

Free format text: ST27 STATUS EVENT CODE: A-1-1-W10-W00-W111 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: CORRESPONDENT DETERMINED COMPLIANT

Effective date: 20250203

D00 Search and/or examination requested or commenced

Free format text: ST27 STATUS EVENT CODE: A-1-1-D10-D00-D118 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: REQUEST FOR EXAMINATION REQUIREMENTS DETERMINED COMPLIANT

Effective date: 20250211

P11 Amendment of application requested

Free format text: ST27 STATUS EVENT CODE: A-1-1-P10-P11-P102 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: AMENDMENT DETERMINED COMPLIANT

Effective date: 20250211

P13 Application amended

Free format text: ST27 STATUS EVENT CODE: A-1-1-P10-P13-X000 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: APPLICATION AMENDED

Effective date: 20250211

W00 Other event occurred

Free format text: ST27 STATUS EVENT CODE: A-1-1-W10-W00-W111 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: CORRESPONDENT DETERMINED COMPLIANT

Effective date: 20250211

W00 Other event occurred

Free format text: ST27 STATUS EVENT CODE: A-1-1-W10-W00-W111 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: CORRESPONDENT DETERMINED COMPLIANT

Effective date: 20250224

D17 Fast track examination accepted

Free format text: ST27 STATUS EVENT CODE: A-1-1-D10-D17-D112 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: ADVANCED EXAMINATION DETERMINED COMPLIANT - PPH

Effective date: 20250408

W00 Other event occurred

Free format text: ST27 STATUS EVENT CODE: A-1-1-W10-W00-W100 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: LETTER SENT

Effective date: 20250408

D11 Substantive examination requested

Free format text: ST27 STATUS EVENT CODE: A-1-2-D10-D11-D155 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: ALL REQUIREMENTS FOR EXAMINATION DETERMINED COMPLIANT

Effective date: 20250501

W00 Other event occurred

Free format text: ST27 STATUS EVENT CODE: A-2-2-W10-W00-W100 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: LETTER SENT

Effective date: 20250506

D17 Fast track examination accepted

Free format text: ST27 STATUS EVENT CODE: A-2-2-D10-D17-D161 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: PPH RETAINED AFTER REVIEW

Effective date: 20250805

MFA Maintenance fee for application paid

Free format text: FEE DESCRIPTION TEXT: MF (APPLICATION, 5TH ANNIV.) - STANDARD

Year of fee payment: 5

U00 Fee paid

Free format text: ST27 STATUS EVENT CODE: A-2-2-U10-U00-U101 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: MAINTENANCE REQUEST RECEIVED

Effective date: 20251031

U11 Full renewal or maintenance fee paid

Free format text: ST27 STATUS EVENT CODE: A-2-2-U10-U11-U102 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: MAINTENANCE FEE PAYMENT PAID IN FULL

Effective date: 20251031

D22 Grant of ip right intended

Free format text: ST27 STATUS EVENT CODE: A-2-2-D10-D22-D141 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: CONDITIONAL ALLOWANCE

Effective date: 20260128

W00 Other event occurred

Free format text: ST27 STATUS EVENT CODE: A-2-2-W10-W00-W100 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: LETTER SENT

Effective date: 20260128