JP7759540B2 - 回転子及び電動機 - Google Patents

回転子及び電動機

Info

Publication number
JP7759540B2
JP7759540B2 JP2022515215A JP2022515215A JP7759540B2 JP 7759540 B2 JP7759540 B2 JP 7759540B2 JP 2022515215 A JP2022515215 A JP 2022515215A JP 2022515215 A JP2022515215 A JP 2022515215A JP 7759540 B2 JP7759540 B2 JP 7759540B2
Authority
JP
Japan
Prior art keywords
hole
rotor
holes
protrusion
iron core
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
JP2022515215A
Other languages
English (en)
Japanese (ja)
Other versions
JPWO2021210249A5 (https=
JPWO2021210249A1 (https=
Inventor
健太 鈴木
瑛樹 森元
元 宇賀治
俊幸 玉村
宜農 麻生
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.)
Panasonic Intellectual Property Management Co Ltd
Original Assignee
Panasonic Intellectual Property Management Co Ltd
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 Panasonic Intellectual Property Management Co Ltd filed Critical Panasonic Intellectual Property Management Co Ltd
Publication of JPWO2021210249A1 publication Critical patent/JPWO2021210249A1/ja
Publication of JPWO2021210249A5 publication Critical patent/JPWO2021210249A5/ja
Application granted granted Critical
Publication of JP7759540B2 publication Critical patent/JP7759540B2/ja
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
    • H02K1/2706—Inner rotors
    • H02K1/272—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
    • H02K1/274—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets
    • H02K1/2753—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets the rotor consisting of magnets or groups of magnets arranged with alternating polarity
    • H02K1/276—Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM]
    • H02K1/2766—Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM] having a flux concentration effect
    • 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
    • H02K1/12—Stationary parts of the magnetic circuit
    • H02K1/16—Stator cores with slots for windings
    • 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
    • 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)
JP2022515215A 2020-04-15 2021-02-08 回転子及び電動機 Active JP7759540B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2020072707 2020-04-15
JP2020072707 2020-04-15
PCT/JP2021/004500 WO2021210249A1 (ja) 2020-04-15 2021-02-08 回転子及び電動機

Publications (3)

Publication Number Publication Date
JPWO2021210249A1 JPWO2021210249A1 (https=) 2021-10-21
JPWO2021210249A5 JPWO2021210249A5 (https=) 2023-01-04
JP7759540B2 true JP7759540B2 (ja) 2025-10-24

Family

ID=78084092

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2022515215A Active JP7759540B2 (ja) 2020-04-15 2021-02-08 回転子及び電動機

Country Status (5)

Country Link
US (1) US12266977B2 (https=)
EP (1) EP4138270A4 (https=)
JP (1) JP7759540B2 (https=)
CN (1) CN115380453A (https=)
WO (1) WO2021210249A1 (https=)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009136040A (ja) 2007-11-28 2009-06-18 Toshiba Corp 回転電機の回転子
JP2011524735A (ja) 2008-06-16 2011-09-01 モトゥール・ルロワ−ソメ 永久磁石回転子及びそのような回転子を含む回転機
JP2013074718A (ja) 2011-09-28 2013-04-22 Toyota Motor Corp 回転電機のロータ
JP2014192907A (ja) 2013-03-26 2014-10-06 Meidensha Corp 磁石埋込型電動機
JP2014207810A (ja) 2013-04-15 2014-10-30 株式会社安川電機 回転電機及び回転子の製造方法
WO2018131402A1 (ja) 2017-01-11 2018-07-19 パナソニックＩｐマネジメント株式会社 永久磁石埋込型の回転子およびこれを備えた電動機
JP2019213431A (ja) 2018-06-08 2019-12-12 アイシン・エィ・ダブリュ株式会社 回転電機用ロータ

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08275419A (ja) * 1995-03-30 1996-10-18 Meidensha Corp 永久磁石式回転機の回転子
JP2009296871A (ja) * 2008-05-09 2009-12-17 Yukio Kinoshita 回転電機を用いた駆動力発生機
WO2011001533A1 (ja) * 2009-07-03 2011-01-06 三菱電機株式会社 永久磁石型回転電機
JP5353917B2 (ja) * 2011-02-03 2013-11-27 トヨタ自動車株式会社 回転電機用回転子
JP5725202B2 (ja) * 2011-11-25 2015-05-27 日産自動車株式会社 電動機
JP5948127B2 (ja) * 2012-04-23 2016-07-06 日立オートモティブシステムズ株式会社 永久磁石回転電機及びそれを用いた電動車両
FR2995469B1 (fr) * 2012-09-13 2017-04-21 Moteurs Leroy-Somer Rotor de machine electrique tournante, comportant une masse rotorique dans laquelle sont menages des logements.
JP5594492B2 (ja) * 2012-10-22 2014-09-24 株式会社安川電機 回転電機
JP6451517B2 (ja) * 2015-06-10 2019-01-16 株式会社デンソー ロータ
JP6813032B2 (ja) * 2017-01-12 2021-01-13 アイシン・エィ・ダブリュ株式会社 回転電機用ロータ

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009136040A (ja) 2007-11-28 2009-06-18 Toshiba Corp 回転電機の回転子
JP2011524735A (ja) 2008-06-16 2011-09-01 モトゥール・ルロワ−ソメ 永久磁石回転子及びそのような回転子を含む回転機
JP2013074718A (ja) 2011-09-28 2013-04-22 Toyota Motor Corp 回転電機のロータ
JP2014192907A (ja) 2013-03-26 2014-10-06 Meidensha Corp 磁石埋込型電動機
JP2014207810A (ja) 2013-04-15 2014-10-30 株式会社安川電機 回転電機及び回転子の製造方法
WO2018131402A1 (ja) 2017-01-11 2018-07-19 パナソニックＩｐマネジメント株式会社 永久磁石埋込型の回転子およびこれを備えた電動機
JP2019213431A (ja) 2018-06-08 2019-12-12 アイシン・エィ・ダブリュ株式会社 回転電機用ロータ

Also Published As

Publication number Publication date
US12266977B2 (en) 2025-04-01
WO2021210249A1 (ja) 2021-10-21
EP4138270A4 (en) 2023-09-20
CN115380453A (zh) 2022-11-22
US20230117552A1 (en) 2023-04-20
EP4138270A1 (en) 2023-02-22
JPWO2021210249A1 (https=) 2021-10-21

Similar Documents

Publication Publication Date Title
JP5930253B2 (ja) 永久磁石埋込型回転電機
US20150244218A1 (en) Rotor for a permanent magnet electric machine and use thereof
JP7293371B2 (ja) 回転電機の回転子
WO2021235267A1 (ja) 回転子及び電動機
JP5902563B2 (ja) 回転子およびそれを用いた回転電機
US20190372408A1 (en) Rotating electric machine
JP5656719B2 (ja) 永久磁石型回転電機及び永久磁石型回転電機の製造方法
WO2017212575A1 (ja) 永久磁石モータ
WO2018117195A1 (ja) 回転電気機械
JP2014155373A (ja) マルチギャップ型回転電機
JP7166066B2 (ja) 回転電機
JP5041415B2 (ja) アキシャルギャップ型モータ
JP7424539B2 (ja) 界磁子
JP7759540B2 (ja) 回転子及び電動機
JP5471653B2 (ja) 永久磁石式電動モータ
JP2018160956A (ja) ブラシレスモータ
WO2023176616A1 (ja) モータ
JPWO2021210249A5 (https=)
JP7850892B2 (ja) 回転子及び電動機
CN115552768A (zh) 转子及电动机
EP4300774B1 (en) Rotating electrical machine
JP7677026B2 (ja) 固定子
US20240213835A1 (en) Motor
WO2022219923A1 (ja) 回転子及び電動機
JPWO2022219923A5 (https=)

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20220610

RD01 Notification of change of attorney

Free format text: JAPANESE INTERMEDIATE CODE: A7421

Effective date: 20221024

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20231206

RD01 Notification of change of attorney

Free format text: JAPANESE INTERMEDIATE CODE: A7421

Effective date: 20240918

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20241224

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20250204

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20250415

RD01 Notification of change of attorney

Free format text: JAPANESE INTERMEDIATE CODE: A7421

Effective date: 20250523

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20250606

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20250701

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20250801

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20250902

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20250915

R150 Certificate of patent or registration of utility model

Ref document number: 7759540

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150