JP7424539B2 - 界磁子 - Google Patents

界磁子 Download PDF

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Publication number
JP7424539B2
JP7424539B2 JP2023503773A JP2023503773A JP7424539B2 JP 7424539 B2 JP7424539 B2 JP 7424539B2 JP 2023503773 A JP2023503773 A JP 2023503773A JP 2023503773 A JP2023503773 A JP 2023503773A JP 7424539 B2 JP7424539 B2 JP 7424539B2
Authority
JP
Japan
Prior art keywords
magnet
axis
magnetization
easy
linear expansion
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
JP2023503773A
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English (en)
Japanese (ja)
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JPWO2022186058A5 (https=
JPWO2022186058A1 (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
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 Denso Corp filed Critical Denso Corp
Publication of JPWO2022186058A1 publication Critical patent/JPWO2022186058A1/ja
Publication of JPWO2022186058A5 publication Critical patent/JPWO2022186058A5/ja
Application granted granted Critical
Publication of JP7424539B2 publication Critical patent/JP7424539B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • H02K1/278—Surface mounted magnets; Inset 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
    • H02K1/2786—Outer rotors
    • H02K1/2787—Outer rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
    • H02K1/2789—Outer rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets
    • H02K1/2791—Surface mounted magnets; Inset 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
    • 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
    • H02K21/145—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating within the armatures having an annular armature coil
    • 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)
JP2023503773A 2021-03-01 2022-02-24 界磁子 Active JP7424539B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2021032025 2021-03-01
JP2021032025 2021-03-01
PCT/JP2022/007723 WO2022186058A1 (ja) 2021-03-01 2022-02-24 界磁子

Publications (3)

Publication Number Publication Date
JPWO2022186058A1 JPWO2022186058A1 (https=) 2022-09-09
JPWO2022186058A5 JPWO2022186058A5 (https=) 2023-06-26
JP7424539B2 true JP7424539B2 (ja) 2024-01-30

Family

ID=83155074

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2023503773A Active JP7424539B2 (ja) 2021-03-01 2022-02-24 界磁子

Country Status (5)

Country Link
US (1) US12456891B2 (https=)
JP (1) JP7424539B2 (https=)
CN (1) CN116941160A (https=)
DE (1) DE112022001319T5 (https=)
WO (1) WO2022186058A1 (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2026078806A1 (ja) * 2024-10-09 2026-04-16 三菱電機株式会社 直動回転アクチュエータに用いられる永久磁石

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2025242293A1 (de) * 2024-05-21 2025-11-27 Pierburg Gmbh Rotoranordnung für einen axialflussmotor und axialflussmotor mit einer rotoranordnung

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007068270A (ja) 2005-08-29 2007-03-15 Aisin Seiki Co Ltd モータ用部品
JP2007150194A (ja) 2005-11-30 2007-06-14 Aisin Seiki Co Ltd 永久磁石の固定構造及び固定方法
JP2013106499A (ja) 2011-11-16 2013-05-30 Aisin Seiki Co Ltd 回転電機および回転電機のロータ
JP2019122225A (ja) 2017-12-28 2019-07-22 株式会社デンソー 回転電機
JP2019122232A (ja) 2017-12-28 2019-07-22 株式会社デンソー 回転電機

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5731338B2 (ja) 2011-09-20 2015-06-10 株式会社日本自動車部品総合研究所 回転電機
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
JP7006541B2 (ja) 2017-12-28 2022-01-24 株式会社デンソー 回転電機
DE112018006699T5 (de) 2017-12-28 2020-09-10 Denso Corporation Rotierende elektrische Maschine
CN111512519B (zh) * 2017-12-28 2022-10-11 株式会社电装 旋转电机

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007068270A (ja) 2005-08-29 2007-03-15 Aisin Seiki Co Ltd モータ用部品
JP2007150194A (ja) 2005-11-30 2007-06-14 Aisin Seiki Co Ltd 永久磁石の固定構造及び固定方法
JP2013106499A (ja) 2011-11-16 2013-05-30 Aisin Seiki Co Ltd 回転電機および回転電機のロータ
JP2019122225A (ja) 2017-12-28 2019-07-22 株式会社デンソー 回転電機
JP2019122232A (ja) 2017-12-28 2019-07-22 株式会社デンソー 回転電機

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2026078806A1 (ja) * 2024-10-09 2026-04-16 三菱電機株式会社 直動回転アクチュエータに用いられる永久磁石

Also Published As

Publication number Publication date
WO2022186058A1 (ja) 2022-09-09
DE112022001319T5 (de) 2023-12-21
US12456891B2 (en) 2025-10-28
JPWO2022186058A1 (https=) 2022-09-09
CN116941160A (zh) 2023-10-24
US20230412022A1 (en) 2023-12-21

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