JP7367552B2 - ロータ - Google Patents

ロータ Download PDF

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Publication number
JP7367552B2
JP7367552B2 JP2020024208A JP2020024208A JP7367552B2 JP 7367552 B2 JP7367552 B2 JP 7367552B2 JP 2020024208 A JP2020024208 A JP 2020024208A JP 2020024208 A JP2020024208 A JP 2020024208A JP 7367552 B2 JP7367552 B2 JP 7367552B2
Authority
JP
Japan
Prior art keywords
magnet
rotor
housing hole
permanent magnet
rotor core
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
JP2020024208A
Other languages
English (en)
Japanese (ja)
Other versions
JP2021129471A5 (https=
JP2021129471A (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 JP2020024208A priority Critical patent/JP7367552B2/ja
Priority to CN202180013819.XA priority patent/CN115104240B/zh
Priority to DE112021001075.1T priority patent/DE112021001075T5/de
Priority to PCT/JP2021/005604 priority patent/WO2021166873A1/ja
Publication of JP2021129471A publication Critical patent/JP2021129471A/ja
Publication of JP2021129471A5 publication Critical patent/JP2021129471A5/ja
Priority to US17/889,837 priority patent/US12218547B2/en
Application granted granted Critical
Publication of JP7367552B2 publication Critical patent/JP7367552B2/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
    • 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
    • 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
    • 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
    • H02K1/24—Rotor cores with salient poles ; Variable reluctance rotors
    • H02K1/246—Variable reluctance rotors
    • 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
    • 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
    • H02K1/2746—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 arranged with the same polarity, e.g. consequent pole type
    • 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
    • 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
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K29/00—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices
    • H02K29/03—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices with a magnetic circuit specially adapted for avoiding torque ripples or self-starting problems

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Permanent Field Magnets Of Synchronous Machinery (AREA)
  • Iron Core Of Rotating Electric Machines (AREA)
  • Permanent Magnet Type Synchronous Machine (AREA)
JP2020024208A 2020-02-17 2020-02-17 ロータ Active JP7367552B2 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP2020024208A JP7367552B2 (ja) 2020-02-17 2020-02-17 ロータ
CN202180013819.XA CN115104240B (zh) 2020-02-17 2021-02-16 转子
DE112021001075.1T DE112021001075T5 (de) 2020-02-17 2021-02-16 Rotor
PCT/JP2021/005604 WO2021166873A1 (ja) 2020-02-17 2021-02-16 ロータ
US17/889,837 US12218547B2 (en) 2020-02-17 2022-08-17 Rotor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2020024208A JP7367552B2 (ja) 2020-02-17 2020-02-17 ロータ

Publications (3)

Publication Number Publication Date
JP2021129471A JP2021129471A (ja) 2021-09-02
JP2021129471A5 JP2021129471A5 (https=) 2022-04-27
JP7367552B2 true JP7367552B2 (ja) 2023-10-24

Family

ID=77392103

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2020024208A Active JP7367552B2 (ja) 2020-02-17 2020-02-17 ロータ

Country Status (5)

Country Link
US (1) US12218547B2 (https=)
JP (1) JP7367552B2 (https=)
CN (1) CN115104240B (https=)
DE (1) DE112021001075T5 (https=)
WO (1) WO2021166873A1 (https=)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3146247A1 (fr) * 2023-02-27 2024-08-30 Commissariat à l'Energie Atomique et aux Energies Alternatives Montage réversible d’aimant permanent dans une machine électrique
CN120454351A (zh) * 2024-02-07 2025-08-08 台达电子工业股份有限公司 聚磁转子结构

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015061430A (ja) 2013-09-19 2015-03-30 三菱電機株式会社 埋込磁石型モータ
WO2016042720A1 (ja) 2014-09-16 2016-03-24 パナソニックＩｐマネジメント株式会社 電動機
JP2019054659A (ja) 2017-09-15 2019-04-04 トヨタ自動車株式会社 回転電機
JP2019126102A (ja) 2016-05-11 2019-07-25 三菱電機株式会社 回転子および回転電機

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002078259A (ja) * 2000-08-31 2002-03-15 Yamaha Motor Co Ltd 永久磁石回転子
JP2004357468A (ja) * 2003-05-30 2004-12-16 Matsushita Electric Ind Co Ltd 電動機
CN102738929B (zh) * 2007-11-28 2014-08-20 阿斯莫有限公司 埋入磁铁型电动机
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
WO2014045445A1 (ja) * 2012-09-24 2014-03-27 三菱電機株式会社 永久磁石埋込型電動機
WO2015104956A1 (ja) * 2014-01-08 2015-07-16 三菱電機株式会社 回転電機
CN205123431U (zh) * 2015-11-05 2016-03-30 青岛万宝压缩机有限公司 一种定子、分装式永磁电动机及全封闭变频制冷压缩机
CN106059142B (zh) * 2016-06-29 2019-02-19 苏州爱知科技有限公司 一种内置式永磁同步电机的转子结构
JP6950361B2 (ja) 2017-08-28 2021-10-13 株式会社デンソー モータ
JP6901371B2 (ja) * 2017-10-03 2021-07-14 トヨタ自動車株式会社 回転電機のロータ
JP7336946B2 (ja) 2017-11-02 2023-09-01 カシオ計算機株式会社 アンテナ装置および時計

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015061430A (ja) 2013-09-19 2015-03-30 三菱電機株式会社 埋込磁石型モータ
WO2016042720A1 (ja) 2014-09-16 2016-03-24 パナソニックＩｐマネジメント株式会社 電動機
JP2019126102A (ja) 2016-05-11 2019-07-25 三菱電機株式会社 回転子および回転電機
JP2019054659A (ja) 2017-09-15 2019-04-04 トヨタ自動車株式会社 回転電機

Also Published As

Publication number Publication date
CN115104240A (zh) 2022-09-23
CN115104240B (zh) 2026-01-13
WO2021166873A1 (ja) 2021-08-26
JP2021129471A (ja) 2021-09-02
US20220393531A1 (en) 2022-12-08
DE112021001075T5 (de) 2022-12-01
US12218547B2 (en) 2025-02-04

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