JP7612887B2 - 二層型磁石埋込式回転子、二層型磁石埋込式回転電機および二層型磁石埋込式回転子の製造方法 - Google Patents

二層型磁石埋込式回転子、二層型磁石埋込式回転電機および二層型磁石埋込式回転子の製造方法 Download PDF

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Publication number
JP7612887B2
JP7612887B2 JP2023550634A JP2023550634A JP7612887B2 JP 7612887 B2 JP7612887 B2 JP 7612887B2 JP 2023550634 A JP2023550634 A JP 2023550634A JP 2023550634 A JP2023550634 A JP 2023550634A JP 7612887 B2 JP7612887 B2 JP 7612887B2
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Japan
Prior art keywords
storage hole
magnet
opening angle
rotor
degrees
Prior art date
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Active
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JP2023550634A
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English (en)
Japanese (ja)
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JPWO2024095452A1 (https=
Inventor
大介 森
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.)
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Publication date
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Publication of JPWO2024095452A1 publication Critical patent/JPWO2024095452A1/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
    • H02K1/06—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
    • 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
    • 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
    • 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
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/08—Structural association with bearings
    • H02K7/083—Structural association with bearings radially supporting the rotary shaft at both ends of the rotor
    • 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)
JP2023550634A 2022-11-04 2022-11-04 二層型磁石埋込式回転子、二層型磁石埋込式回転電機および二層型磁石埋込式回転子の製造方法 Active JP7612887B2 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2022/041177 WO2024095452A1 (ja) 2022-11-04 2022-11-04 二層型磁石埋込式回転子、二層型磁石埋込式回転電機および二層型磁石埋込式回転子の製造方法

Publications (2)

Publication Number Publication Date
JPWO2024095452A1 JPWO2024095452A1 (https=) 2024-05-10
JP7612887B2 true JP7612887B2 (ja) 2025-01-14

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JP2023550634A Active JP7612887B2 (ja) 2022-11-04 2022-11-04 二層型磁石埋込式回転子、二層型磁石埋込式回転電機および二層型磁石埋込式回転子の製造方法

Country Status (5)

Country Link
US (1) US20240413682A1 (https=)
EP (1) EP4614766A1 (https=)
JP (1) JP7612887B2 (https=)
CN (1) CN118613989A (https=)
WO (1) WO2024095452A1 (https=)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012075256A (ja) 2010-09-29 2012-04-12 Aisin Aw Co Ltd 回転電機用ロータ及びこれに用いるロータコアの製造方法
JP2015073417A (ja) 2013-10-04 2015-04-16 株式会社豊田自動織機 磁石埋込式回転電機
JP6848135B1 (ja) 2020-09-18 2021-03-24 株式会社東芝 ロータ

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2020014322A (ja) 2018-07-18 2020-01-23 日立オートモティブシステムズ株式会社 回転電機のロータおよび回転電機

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012075256A (ja) 2010-09-29 2012-04-12 Aisin Aw Co Ltd 回転電機用ロータ及びこれに用いるロータコアの製造方法
JP2015073417A (ja) 2013-10-04 2015-04-16 株式会社豊田自動織機 磁石埋込式回転電機
JP6848135B1 (ja) 2020-09-18 2021-03-24 株式会社東芝 ロータ

Also Published As

Publication number Publication date
WO2024095452A1 (ja) 2024-05-10
JPWO2024095452A1 (https=) 2024-05-10
US20240413682A1 (en) 2024-12-12
CN118613989A (zh) 2024-09-06
EP4614766A1 (en) 2025-09-10

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