DE112021005414T5 - Rotor und rotierende elektrische maschine - Google Patents

Rotor und rotierende elektrische maschine Download PDF

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Publication number
DE112021005414T5
DE112021005414T5 DE112021005414.7T DE112021005414T DE112021005414T5 DE 112021005414 T5 DE112021005414 T5 DE 112021005414T5 DE 112021005414 T DE112021005414 T DE 112021005414T DE 112021005414 T5 DE112021005414 T5 DE 112021005414T5
Authority
DE
Germany
Prior art keywords
rotor
rotor core
portions
permanent magnet
permanent magnets
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
DE112021005414.7T
Other languages
German (de)
English (en)
Inventor
Haruo Yoshida
Ritsuro Hiramatsu
Toshihiro Uchida
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.)
Denso Corp
Original Assignee
Denso Corp
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 PCT/JP2021/030888 external-priority patent/WO2022080010A1/ja
Application filed by Denso Corp filed Critical Denso Corp
Publication of DE112021005414T5 publication Critical patent/DE112021005414T5/de
Pending legal-status Critical Current

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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
    • H02K1/22—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
    • H02K1/2773—Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM] having a flux concentration effect consisting of tangentially magnetized radial magnets
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/02—Details of the magnetic circuit characterised by the magnetic material
    • 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
    • H02K21/14—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating within the armatures
    • H02K21/16—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating within the armatures having annular armature cores with salient poles
    • 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
    • H02K2201/06—Magnetic cores, or permanent magnets characterised by their skew
    • 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)
DE112021005414.7T 2020-10-15 2021-09-22 Rotor und rotierende elektrische maschine Pending DE112021005414T5 (de)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP2020-173869 2020-10-15
JP2020173869 2020-10-15
PCT/JP2021/030888 WO2022080010A1 (ja) 2020-10-15 2021-08-24 ロータ及び回転電機
JPPCT/JP2021/030888 2021-08-24
PCT/JP2021/034893 WO2022080110A1 (ja) 2020-10-15 2021-09-22 ロータ及び回転電機

Publications (1)

Publication Number Publication Date
DE112021005414T5 true DE112021005414T5 (de) 2023-08-03

Family

ID=81207912

Family Applications (1)

Application Number Title Priority Date Filing Date
DE112021005414.7T Pending DE112021005414T5 (de) 2020-10-15 2021-09-22 Rotor und rotierende elektrische maschine

Country Status (5)

Country Link
US (1) US12519356B2 (https=)
JP (1) JPWO2022080110A1 (https=)
CN (1) CN116325432A (https=)
DE (1) DE112021005414T5 (https=)
WO (1) WO2022080110A1 (https=)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20240364148A1 (en) * 2023-04-26 2024-10-31 Abb Schweiz Ag Non-Exchanged-Couple Injection Moldable Hybrid Magnet
CN118983969A (zh) * 2024-10-21 2024-11-19 浙江永昌电气股份有限公司 无稀土永磁高效低燥电机结构及制造方法

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016072995A (ja) 2014-09-26 2016-05-09 パナソニックＩｐマネジメント株式会社 埋め込み磁石型ロータおよびそれを備えた電動機

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11136888A (ja) * 1997-10-28 1999-05-21 Toshiba Corp 永久磁石形モータ及びその製造方法
JP2006158008A (ja) * 2004-11-25 2006-06-15 Asmo Co Ltd 永久磁石埋め込み型ロータ及び回転電機
JP2013051837A (ja) * 2011-08-31 2013-03-14 Daikin Ind Ltd 回転電気機械
KR20190018046A (ko) * 2012-09-29 2019-02-20 에머슨 일렉트릭 컴파니 분할형 자석 구조를 가진 로터와 관련 발전기 및 컴프레서
WO2014082839A2 (en) * 2012-11-30 2014-06-05 Arcelik Anonim Sirketi A spoke permanent magnet rotor
JP6408766B2 (ja) * 2014-01-28 2018-10-17 日本ピストンリング株式会社 アキシャル立体ギャップ式回転電機
JP6249417B2 (ja) * 2015-03-09 2017-12-20 三菱電機株式会社 回転電機および電動パワーステアリング装置
CN106469953A (zh) * 2015-08-18 2017-03-01 珠海格力节能环保制冷技术研究中心有限公司 一种电机及其转子
JP2017070031A (ja) * 2015-09-29 2017-04-06 ダイキン工業株式会社 ロータ
JPWO2018131402A1 (ja) * 2017-01-11 2019-11-07 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
CN110537314A (zh) * 2017-04-24 2019-12-03 松下知识产权经营株式会社 电动机组件、电动机、装置

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016072995A (ja) 2014-09-26 2016-05-09 パナソニックＩｐマネジメント株式会社 埋め込み磁石型ロータおよびそれを備えた電動機

Also Published As

Publication number Publication date
JPWO2022080110A1 (https=) 2022-04-21
CN116325432A (zh) 2023-06-23
WO2022080110A1 (ja) 2022-04-21
US12519356B2 (en) 2026-01-06
US20230246496A1 (en) 2023-08-03

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Legal Events

Date Code Title Description
R012 Request for examination validly filed