WO2014171558A3 - 電動機 - Google Patents

電動機 Download PDF

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Publication number
WO2014171558A3
WO2014171558A3 PCT/JP2014/065066 JP2014065066W WO2014171558A3 WO 2014171558 A3 WO2014171558 A3 WO 2014171558A3 JP 2014065066 W JP2014065066 W JP 2014065066W WO 2014171558 A3 WO2014171558 A3 WO 2014171558A3
Authority
WO
WIPO (PCT)
Prior art keywords
permanent magnets
electric machine
rotor
rotor core
housing
Prior art date
Application number
PCT/JP2014/065066
Other languages
English (en)
French (fr)
Other versions
WO2014171558A2 (ja
Inventor
夏樹 渡辺
貞一郎 千葉
康彦 松木
Original Assignee
株式会社小松製作所
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 株式会社小松製作所 filed Critical 株式会社小松製作所
Priority to EP14785383.2A priority Critical patent/EP2980962B1/en
Priority to PCT/JP2014/065066 priority patent/WO2014171558A2/ja
Priority to CN201480021841.9A priority patent/CN105379070A/zh
Priority to US14/889,969 priority patent/US10211688B2/en
Publication of WO2014171558A2 publication Critical patent/WO2014171558A2/ja
Publication of WO2014171558A3 publication Critical patent/WO2014171558A3/ja

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
    • 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
    • H02K1/32—Rotating parts of the magnetic circuit with channels or ducts for flow of cooling medium
    • 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
    • H02K21/02—Details
    • H02K21/04—Windings on magnets for additional excitation ; Windings and magnets for additional excitation
    • H02K21/046—Windings on magnets for additional excitation ; Windings and magnets for additional excitation with rotating permanent magnets and stationary field winding
    • 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
    • H02K5/20—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
    • H02K5/203—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium specially adapted for liquids, e.g. cooling jackets
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K9/00—Arrangements for cooling or ventilating
    • H02K9/19—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Permanent Field Magnets Of Synchronous Machinery (AREA)
  • Iron Core Of Rotating Electric Machines (AREA)

Abstract

　ハウジング内に装着された環状のステータと、ステータ内に配置されてハウジングに回転可能に支持されたロータとを備えるとともに、ロータのロータコア（４１）に複数の永久磁石（４３）が埋め込まれている電動機であって、ロータコア（４１）には、永久磁石（４３）が嵌合される埋込孔（４１Ｂ）が設けられ、埋込孔（４１Ｂ）における永久磁石（４３）の対角位置には、ロータコア（４１）の軸方向に沿って連続した充填孔（４８）が形成されている。
PCT/JP2014/065066 2014-06-06 2014-06-06 電動機 WO2014171558A2 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP14785383.2A EP2980962B1 (en) 2014-06-06 2014-06-06 Electric machine
PCT/JP2014/065066 WO2014171558A2 (ja) 2014-06-06 2014-06-06 電動機
CN201480021841.9A CN105379070A (zh) 2014-06-06 2014-06-06 电动机
US14/889,969 US10211688B2 (en) 2014-06-06 2014-06-06 Electric machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2014/065066 WO2014171558A2 (ja) 2014-06-06 2014-06-06 電動機

Publications (2)

Publication Number Publication Date
WO2014171558A2 WO2014171558A2 (ja) 2014-10-23
WO2014171558A3 true WO2014171558A3 (ja) 2014-12-11

Family

ID=51731934

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2014/065066 WO2014171558A2 (ja) 2014-06-06 2014-06-06 電動機

Country Status (4)

Country Link
US (1) US10211688B2 (ja)
EP (1) EP2980962B1 (ja)
CN (1) CN105379070A (ja)
WO (1) WO2014171558A2 (ja)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3192156A4 (en) * 2014-09-11 2018-05-23 Nissan Motor Co., Ltd Permanent magnet synchronous motor
JP2016082696A (ja) * 2014-10-16 2016-05-16 アイシン精機株式会社 埋込磁石型モータおよび埋込磁石型モータのロータ
US10910918B2 (en) * 2016-08-09 2021-02-02 Nidec Corporation Motor
CN107819365B (zh) 2016-09-13 2019-06-14 南京德朔实业有限公司 转子冲片
CN106571699A (zh) * 2016-10-13 2017-04-19 珠海格力节能环保制冷技术研究中心有限公司 驱动电机和电动汽车
CN106787318A (zh) * 2016-12-28 2017-05-31 卧龙电气集团股份有限公司 永磁同步电机用永磁转子冲片以及永磁同步电机
WO2019008820A1 (ja) * 2017-07-05 2019-01-10 三菱電機株式会社 回転電機
FR3071370B1 (fr) * 2017-09-18 2019-09-13 IFP Energies Nouvelles Isthmes de ponts magnetiques d'un rotor de machine electrique
US11476733B2 (en) * 2019-11-01 2022-10-18 GM Global Technology Operations LLC Electric machine with forced convection-based rotor cooling of rotor magnets
GB2590677B (en) * 2019-12-23 2023-09-27 Dyson Technology Ltd A motor core
DE102020106341B4 (de) * 2020-03-09 2022-08-04 Audi Aktiengesellschaft Elektrische Maschine
KR102618055B1 (ko) * 2021-05-20 2023-12-27 현대모비스 주식회사 로터 조립체 및 이를 포함하는 모터

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007104888A (ja) * 2005-09-07 2007-04-19 Toshiba Corp 回転電機
JP2009303445A (ja) * 2008-06-17 2009-12-24 Honda Motor Co Ltd 永久磁石電動機
JP2013021811A (ja) * 2011-07-11 2013-01-31 Toyota Motor Corp 回転電機のロータ
JP2014064471A (ja) * 2014-01-17 2014-04-10 Nippon Soken Inc 回転電機

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4005988B2 (ja) 2004-07-15 2007-11-14 三菱電機株式会社 回転電機の回転子
JP4867194B2 (ja) 2005-04-28 2012-02-01 トヨタ自動車株式会社 ロータ
US7705503B2 (en) 2005-09-07 2010-04-27 Kabushiki Kaisha Toshiba Rotating electrical machine
US8080908B2 (en) 2005-11-09 2011-12-20 Kabushiki Kaisha Toshiba Cooling structure for rotor core in electric rotating machine
JP4131276B2 (ja) 2005-12-19 2008-08-13 ダイキン工業株式会社 電動機並びにその回転子及び回転子用磁心
JP4842670B2 (ja) 2006-02-27 2011-12-21 トヨタ自動車株式会社 ロータおよび電動車両
WO2008137709A2 (en) * 2007-05-04 2008-11-13 A. O. Smith Corporation Interior permanent magnet motor and rotor
JP5373370B2 (ja) 2007-11-28 2013-12-18 アスモ株式会社 埋込磁石型モータ
US7800272B2 (en) 2007-11-28 2010-09-21 Asmo Co., Ltd. Embedded magnet motor and manufacturing method of the same
JP2009171785A (ja) * 2008-01-18 2009-07-30 Toyota Motor Corp 回転電機
JP5443778B2 (ja) 2009-01-30 2014-03-19 東芝産業機器製造株式会社 永久磁石式回転電機の回転子及びその回転電機
JP5542423B2 (ja) * 2009-12-22 2014-07-09 東芝産業機器システム株式会社 回転電機の回転子、および回転電機
WO2011158316A1 (ja) 2010-06-14 2011-12-22 トヨタ自動車株式会社 回転電機用ロータコアおよびその製造方法
JP2012186889A (ja) * 2011-03-03 2012-09-27 Nippon Soken Inc 回転電機
US8674574B2 (en) * 2011-03-30 2014-03-18 GM Global Technology Operations LLC Rotor assembly with cooling mechanism
JP2013017297A (ja) 2011-07-04 2013-01-24 Toyota Motor Corp 回転電機のロータ
KR20130019088A (ko) 2011-08-16 2013-02-26 엘지이노텍 주식회사 모터의 적층 로터 코어

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007104888A (ja) * 2005-09-07 2007-04-19 Toshiba Corp 回転電機
JP2009303445A (ja) * 2008-06-17 2009-12-24 Honda Motor Co Ltd 永久磁石電動機
JP2013021811A (ja) * 2011-07-11 2013-01-31 Toyota Motor Corp 回転電機のロータ
JP2014064471A (ja) * 2014-01-17 2014-04-10 Nippon Soken Inc 回転電機

Also Published As

Publication number Publication date
WO2014171558A2 (ja) 2014-10-23
EP2980962A2 (en) 2016-02-03
EP2980962B1 (en) 2020-04-29
EP2980962A4 (en) 2017-03-01
US20160301268A1 (en) 2016-10-13
CN105379070A (zh) 2016-03-02
US10211688B2 (en) 2019-02-19

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