JP7318556B2 - ロータ - Google Patents

ロータ Download PDF

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Publication number
JP7318556B2
JP7318556B2 JP2020024207A JP2020024207A JP7318556B2 JP 7318556 B2 JP7318556 B2 JP 7318556B2 JP 2020024207 A JP2020024207 A JP 2020024207A JP 2020024207 A JP2020024207 A JP 2020024207A JP 7318556 B2 JP7318556 B2 JP 7318556B2
Authority
JP
Japan
Prior art keywords
face
magnet
rotor
diameter
permanent magnet
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
JP2020024207A
Other languages
English (en)
Japanese (ja)
Other versions
JP2021129470A5 (https=
JP2021129470A (ja
Inventor
将典 尾崎
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
Priority to JP2020024207A priority Critical patent/JP7318556B2/ja
Priority to CN202180013785.4A priority patent/CN115104239A/zh
Priority to PCT/JP2021/005603 priority patent/WO2021166872A1/ja
Priority to DE112021001077.8T priority patent/DE112021001077T5/de
Publication of JP2021129470A publication Critical patent/JP2021129470A/ja
Publication of JP2021129470A5 publication Critical patent/JP2021129470A5/ja
Priority to US17/889,773 priority patent/US12301058B2/en
Application granted granted Critical
Publication of JP7318556B2 publication Critical patent/JP7318556B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • 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
    • H02K21/16—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating within the armatures having annular armature cores with salient poles
    • 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
    • H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
    • H02K11/20—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
    • H02K11/21—Devices for sensing speed or position, or actuated thereby
    • H02K11/215—Magnetic effect devices, e.g. Hall-effect or magneto-resistive elements
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/64—Electric machine technologies in electromobility

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Permanent Field Magnets Of Synchronous Machinery (AREA)
  • Permanent Magnet Type Synchronous Machine (AREA)
  • Iron Core Of Rotating Electric Machines (AREA)
JP2020024207A 2020-02-17 2020-02-17 ロータ Active JP7318556B2 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP2020024207A JP7318556B2 (ja) 2020-02-17 2020-02-17 ロータ
CN202180013785.4A CN115104239A (zh) 2020-02-17 2021-02-16 转子
PCT/JP2021/005603 WO2021166872A1 (ja) 2020-02-17 2021-02-16 ロータ
DE112021001077.8T DE112021001077T5 (de) 2020-02-17 2021-02-16 Rotor
US17/889,773 US12301058B2 (en) 2020-02-17 2022-08-17 Rotor having end magnet fixed by fixing member

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2020024207A JP7318556B2 (ja) 2020-02-17 2020-02-17 ロータ

Publications (3)

Publication Number Publication Date
JP2021129470A JP2021129470A (ja) 2021-09-02
JP2021129470A5 JP2021129470A5 (https=) 2022-04-27
JP7318556B2 true JP7318556B2 (ja) 2023-08-01

Family

ID=77391188

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2020024207A Active JP7318556B2 (ja) 2020-02-17 2020-02-17 ロータ

Country Status (5)

Country Link
US (1) US12301058B2 (https=)
JP (1) JP7318556B2 (https=)
CN (1) CN115104239A (https=)
DE (1) DE112021001077T5 (https=)
WO (1) WO2021166872A1 (https=)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012231578A (ja) 2011-04-25 2012-11-22 Yaskawa Electric Corp 埋込磁石形回転電機
JP2013247783A (ja) 2012-05-25 2013-12-09 Jtekt Corp ロータ及びこれを備えた回転電機
JP2014241705A (ja) 2013-06-12 2014-12-25 株式会社ジェイテクト 磁石埋込型ロータ
WO2017033239A1 (ja) 2015-08-21 2017-03-02 三菱電機株式会社 回転電機及び空気調和装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4729956B2 (ja) * 2005-03-23 2011-07-20 パナソニック株式会社 永久磁石型電動機
US20070145838A1 (en) * 2005-12-07 2007-06-28 Nidec Corporation Motor and Method of Manufacturing Housing
KR102013852B1 (ko) * 2012-12-17 2019-08-23 엘지이노텍 주식회사 모터
US10610807B2 (en) 2014-01-17 2020-04-07 Repligen Corporation Sterilizing chromatography columns
JP2015216756A (ja) * 2014-05-09 2015-12-03 アスモ株式会社 ランデル型モータ
JP2017143663A (ja) * 2016-02-10 2017-08-17 シンフォニアテクノロジー株式会社 埋込磁石型回転機
JP6950361B2 (ja) 2017-08-28 2021-10-13 株式会社デンソー モータ

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012231578A (ja) 2011-04-25 2012-11-22 Yaskawa Electric Corp 埋込磁石形回転電機
JP2013247783A (ja) 2012-05-25 2013-12-09 Jtekt Corp ロータ及びこれを備えた回転電機
JP2014241705A (ja) 2013-06-12 2014-12-25 株式会社ジェイテクト 磁石埋込型ロータ
WO2017033239A1 (ja) 2015-08-21 2017-03-02 三菱電機株式会社 回転電機及び空気調和装置

Also Published As

Publication number Publication date
CN115104239A (zh) 2022-09-23
US20220393528A1 (en) 2022-12-08
US12301058B2 (en) 2025-05-13
JP2021129470A (ja) 2021-09-02
WO2021166872A1 (ja) 2021-08-26
DE112021001077T5 (de) 2022-12-01

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