JP7151023B1 - 埋め込み磁石型回転子および回転電機 - Google Patents

埋め込み磁石型回転子および回転電機 Download PDF

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Publication number
JP7151023B1
JP7151023B1 JP2022543524A JP2022543524A JP7151023B1 JP 7151023 B1 JP7151023 B1 JP 7151023B1 JP 2022543524 A JP2022543524 A JP 2022543524A JP 2022543524 A JP2022543524 A JP 2022543524A JP 7151023 B1 JP7151023 B1 JP 7151023B1
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JP
Japan
Prior art keywords
rotor
permanent magnet
magnet
communication opening
embedded
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
JP2022543524A
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English (en)
Japanese (ja)
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JPWO2023187971A1 (https=
Inventor
正克 松原
将 鹿野
大介 山岸
直哉 佐々木
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.)
Toshiba Corp
Toshiba Infrastructure Systems and Solutions Corp
Original Assignee
Toshiba Corp
Toshiba Infrastructure Systems and Solutions 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
Application filed by Toshiba Corp, Toshiba Infrastructure Systems and Solutions Corp filed Critical Toshiba Corp
Application granted granted Critical
Publication of JP7151023B1 publication Critical patent/JP7151023B1/ja
Publication of JPWO2023187971A1 publication Critical patent/JPWO2023187971A1/ja
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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]
    • 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)
JP2022543524A 2022-03-29 2022-03-29 埋め込み磁石型回転子および回転電機 Active JP7151023B1 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2022/015396 WO2023187971A1 (ja) 2022-03-29 2022-03-29 埋め込み磁石型回転子および回転電機

Publications (2)

Publication Number Publication Date
JP7151023B1 true JP7151023B1 (ja) 2022-10-11
JPWO2023187971A1 JPWO2023187971A1 (https=) 2023-10-05

Family

ID=83558421

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2022543524A Active JP7151023B1 (ja) 2022-03-29 2022-03-29 埋め込み磁石型回転子および回転電機

Country Status (5)

Country Link
US (1) US12218548B2 (https=)
EP (1) EP4503390A4 (https=)
JP (1) JP7151023B1 (https=)
CN (1) CN117157853A (https=)
WO (1) WO2023187971A1 (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7799761B1 (ja) * 2024-07-16 2026-01-15 株式会社東芝 永久磁石ロータおよび回転電機

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005130604A (ja) * 2003-10-23 2005-05-19 Nissan Motor Co Ltd 電磁鋼板形成体、これを用いた永久磁石内蔵型回転機用回転子、永久磁石内蔵型回転機、およびこの永久磁石内蔵型回転機を用いた車両
JP2014064422A (ja) * 2012-09-24 2014-04-10 Daikin Ind Ltd ロータコアおよびその製造方法
JP2015195638A (ja) * 2014-03-31 2015-11-05 ダイキン工業株式会社 ロータ
JP2015202027A (ja) * 2014-03-31 2015-11-12 ダイキン工業株式会社 ロータ

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4327302A (en) * 1979-09-21 1982-04-27 General Electric Company Electronically commutated motor, stationary and rotatable assemblies therefore, and lamination
DE10153750A1 (de) * 2001-10-31 2003-05-22 Siemens Ag Rotor für PM-Synchronmaschine
US7385328B2 (en) * 2006-05-23 2008-06-10 Reliance Electric Technologies, Llc Cogging reduction in permanent magnet machines
JP5447418B2 (ja) 2011-03-28 2014-03-19 株式会社豊田自動織機 回転電機の永久磁石埋設型回転子及び回転電機
ES2718096T3 (es) * 2011-11-30 2019-06-27 Abb Research Ltd Maquinas eléctricas y rotores de máquinas eléctricas
JP5851365B2 (ja) * 2012-08-31 2016-02-03 日立オートモティブシステムズ株式会社 回転電機
JP5958305B2 (ja) * 2012-11-29 2016-07-27 スズキ株式会社 Ｉｐｍ型電動回転機
JP6357859B2 (ja) * 2014-05-12 2018-07-18 富士電機株式会社 永久磁石埋め込み式回転電機
US10581286B2 (en) * 2015-06-15 2020-03-03 Mitsubishi Electric Corporation Permanent-magnet-embedded electric motor and compressor
JP2017112705A (ja) * 2015-12-16 2017-06-22 富士電機株式会社 永久磁石式回転電機及びその製造方法
CN113994569B (zh) * 2019-09-24 2024-07-30 株式会社东芝 旋转电机的转子
WO2022059199A1 (ja) * 2020-09-18 2022-03-24 株式会社 東芝 ロータ

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005130604A (ja) * 2003-10-23 2005-05-19 Nissan Motor Co Ltd 電磁鋼板形成体、これを用いた永久磁石内蔵型回転機用回転子、永久磁石内蔵型回転機、およびこの永久磁石内蔵型回転機を用いた車両
JP2014064422A (ja) * 2012-09-24 2014-04-10 Daikin Ind Ltd ロータコアおよびその製造方法
JP2015195638A (ja) * 2014-03-31 2015-11-05 ダイキン工業株式会社 ロータ
JP2015202027A (ja) * 2014-03-31 2015-11-12 ダイキン工業株式会社 ロータ

Also Published As

Publication number Publication date
US12218548B2 (en) 2025-02-04
JPWO2023187971A1 (https=) 2023-10-05
WO2023187971A1 (ja) 2023-10-05
EP4503390A4 (en) 2025-11-05
CN117157853A (zh) 2023-12-01
US20230318373A1 (en) 2023-10-05
EP4503390A1 (en) 2025-02-05

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