DE112022001319T5 - Feldmagnet - Google Patents

Feldmagnet Download PDF

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Publication number
DE112022001319T5
DE112022001319T5 DE112022001319.2T DE112022001319T DE112022001319T5 DE 112022001319 T5 DE112022001319 T5 DE 112022001319T5 DE 112022001319 T DE112022001319 T DE 112022001319T DE 112022001319 T5 DE112022001319 T5 DE 112022001319T5
Authority
DE
Germany
Prior art keywords
magnet
axis
linear expansion
easy magnetization
expansion coefficient
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.)
Pending
Application number
DE112022001319.2T
Other languages
German (de)
English (en)
Inventor
Yuki Takahashi
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 DE112022001319T5 publication Critical patent/DE112022001319T5/de
Pending legal-status Critical Current

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Images

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
    • H02K1/2786—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
    • H02K1/278—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
    • H02K1/2706—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)
DE112022001319.2T 2021-03-01 2022-02-24 Feldmagnet Pending DE112022001319T5 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2021-032025 2021-03-01
JP2021032025 2021-03-01
PCT/JP2022/007723 WO2022186058A1 (ja) 2021-03-01 2022-02-24 界磁子

Publications (1)

Publication Number Publication Date
DE112022001319T5 true DE112022001319T5 (de) 2023-12-21

Family

ID=83155074

Family Applications (1)

Application Number Title Priority Date Filing Date
DE112022001319.2T Pending DE112022001319T5 (de) 2021-03-01 2022-02-24 Feldmagnet

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
WO2025242293A1 (de) * 2024-05-21 2025-11-27 Pierburg Gmbh Rotoranordnung für einen axialflussmotor und axialflussmotor mit einer rotoranordnung

Families Citing this family (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

Family Cites Families (12)

* 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
JP4565338B2 (ja) 2005-11-30 2010-10-20 アイシン精機株式会社 永久磁石の固定構造及び固定方法
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
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
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
JP7056443B2 (ja) 2017-12-28 2022-04-19 株式会社デンソー 回転電機
JP7052649B2 (ja) 2017-12-28 2022-04-12 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
WO2025242293A1 (de) * 2024-05-21 2025-11-27 Pierburg Gmbh Rotoranordnung für einen axialflussmotor und axialflussmotor mit einer rotoranordnung

Also Published As

Publication number Publication date
WO2022186058A1 (ja) 2022-09-09
US12456891B2 (en) 2025-10-28
JPWO2022186058A1 (https=) 2022-09-09
CN116941160A (zh) 2023-10-24
US20230412022A1 (en) 2023-12-21
JP7424539B2 (ja) 2024-01-30

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Legal Events

Date Code Title Description
R012 Request for examination validly filed