JP7681092B2 - 回転電機及びその製造方法 - Google Patents

回転電機及びその製造方法 Download PDF

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Publication number
JP7681092B2
JP7681092B2 JP2023500799A JP2023500799A JP7681092B2 JP 7681092 B2 JP7681092 B2 JP 7681092B2 JP 2023500799 A JP2023500799 A JP 2023500799A JP 2023500799 A JP2023500799 A JP 2023500799A JP 7681092 B2 JP7681092 B2 JP 7681092B2
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JP
Japan
Prior art keywords
magnet
axis
magnets
core
sintered body
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
JP2023500799A
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English (en)
Japanese (ja)
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JPWO2022176771A1 (https=
Inventor
裕樹 高橋
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
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Publication date
Application filed by Denso Corp filed Critical Denso Corp
Publication of JPWO2022176771A1 publication Critical patent/JPWO2022176771A1/ja
Application granted granted Critical
Publication of JP7681092B2 publication Critical patent/JP7681092B2/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]
    • 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
    • H02K15/00—Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
    • H02K15/02—Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
    • H02K15/03—Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies having permanent magnets
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K15/00—Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
    • H02K15/12—Impregnating, moulding insulation, heating or drying of windings, stators, rotors or machines
    • 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
    • H02K2201/09—Magnetic cores comprising laminations characterised by being fastened by caulking
    • 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

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Permanent Field Magnets Of Synchronous Machinery (AREA)
JP2023500799A 2021-02-17 2022-02-10 回転電機及びその製造方法 Active JP7681092B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2021023752 2021-02-17
JP2021023752 2021-02-17
PCT/JP2022/005326 WO2022176771A1 (ja) 2021-02-17 2022-02-10 回転電機及びその製造方法

Publications (2)

Publication Number Publication Date
JPWO2022176771A1 JPWO2022176771A1 (https=) 2022-08-25
JP7681092B2 true JP7681092B2 (ja) 2025-05-21

Family

ID=82931649

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2023500799A Active JP7681092B2 (ja) 2021-02-17 2022-02-10 回転電機及びその製造方法

Country Status (5)

Country Link
US (1) US12519354B2 (https=)
JP (1) JP7681092B2 (https=)
CN (1) CN116868490A (https=)
DE (1) DE112022001098T5 (https=)
WO (1) WO2022176771A1 (https=)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013243886A (ja) 2012-05-22 2013-12-05 Nitto Denko Corp 永久磁石モータ、永久磁石モータの製造方法及び永久磁石
JP2019140368A (ja) 2017-08-01 2019-08-22 株式会社デンソー 磁石の製造方法

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6936945B2 (en) 2000-06-14 2005-08-30 Matsushita Electric Industrial Co., Ltd. Permanent magnet synchronous motor
JP4788427B2 (ja) * 2006-03-23 2011-10-05 日立金属株式会社 Ｒ−Ｆｅ−Ｂ系希土類焼結磁石およびその製造方法
JP5251219B2 (ja) 2008-04-04 2013-07-31 信越化学工業株式会社 永久磁石式回転機用回転子
JP2010022147A (ja) * 2008-07-11 2010-01-28 Hitachi Ltd 焼結磁石モータ
JP5493663B2 (ja) * 2009-10-01 2014-05-14 信越化学工業株式会社 Ｉｐｍ型永久磁石回転機用回転子の組立方法
JP6784484B2 (ja) * 2015-09-11 2020-11-11 Tdk株式会社 Ｒ−ｔ−ｂ系焼結磁石およびモータ
JP6759649B2 (ja) * 2016-03-23 2020-09-23 Tdk株式会社 希土類磁石及びモーター
JP6851816B2 (ja) * 2016-12-26 2021-03-31 株式会社東芝 回転子
JP7009069B2 (ja) * 2017-03-08 2022-01-25 Tdk株式会社 磁石積層体およびモータ
US11843334B2 (en) * 2017-07-13 2023-12-12 Denso Corporation Rotating electrical machine
CN113991958A (zh) 2017-07-21 2022-01-28 株式会社电装 旋转电机
JP2019024293A (ja) 2017-07-21 2019-02-14 株式会社デンソー 回転電機
WO2019026979A1 (ja) 2017-08-01 2019-02-07 株式会社デンソー 回転電機、回転電機駆動システム、磁石、磁石の製造方法、着磁装置、及び磁石ユニット
JP7081400B2 (ja) * 2018-09-05 2022-06-07 株式会社デンソー 回転電機
JP7423932B2 (ja) 2019-08-09 2024-01-30 株式会社三洋物産 遊技機

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013243886A (ja) 2012-05-22 2013-12-05 Nitto Denko Corp 永久磁石モータ、永久磁石モータの製造方法及び永久磁石
JP2019140368A (ja) 2017-08-01 2019-08-22 株式会社デンソー 磁石の製造方法

Also Published As

Publication number Publication date
WO2022176771A1 (ja) 2022-08-25
CN116868490A (zh) 2023-10-10
JPWO2022176771A1 (https=) 2022-08-25
DE112022001098T5 (de) 2023-12-14
US12519354B2 (en) 2026-01-06
US20240039349A1 (en) 2024-02-01

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