DE112020004675T5 - Rotor, traktionsmotor und verfahren zum herstellen des rotors - Google Patents

Rotor, traktionsmotor und verfahren zum herstellen des rotors Download PDF

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Publication number
DE112020004675T5
DE112020004675T5 DE112020004675.3T DE112020004675T DE112020004675T5 DE 112020004675 T5 DE112020004675 T5 DE 112020004675T5 DE 112020004675 T DE112020004675 T DE 112020004675T DE 112020004675 T5 DE112020004675 T5 DE 112020004675T5
Authority
DE
Germany
Prior art keywords
axial direction
insertion holes
core
end plate
resin
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
DE112020004675.3T
Other languages
German (de)
English (en)
Inventor
Takahiro HIWA
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.)
Nidec Corp
Original Assignee
Nidec 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 Nidec Corp filed Critical Nidec Corp
Publication of DE112020004675T5 publication Critical patent/DE112020004675T5/de
Pending legal-status Critical Current

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Classifications

    • 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
    • H02K15/12—Impregnating, moulding insulation, heating or drying of windings, stators, rotors or machines
    • 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
    • H02K1/28—Means for mounting or fastening rotating magnetic parts on to, or to, the rotor structures
    • 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
    • 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)
  • Manufacturing & Machinery (AREA)
  • Permanent Field Magnets Of Synchronous Machinery (AREA)
  • Iron Core Of Rotating Electric Machines (AREA)
  • Manufacture Of Motors, Generators (AREA)
DE112020004675.3T 2019-09-30 2020-09-11 Rotor, traktionsmotor und verfahren zum herstellen des rotors Pending DE112020004675T5 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2019-179309 2019-09-30
JP2019179309 2019-09-30
PCT/JP2020/034537 WO2021065424A1 (ja) 2019-09-30 2020-09-11 ロータ、トラクションモータ、および、ロータの製造方法

Publications (1)

Publication Number Publication Date
DE112020004675T5 true DE112020004675T5 (de) 2022-06-15

Family

ID=75337398

Family Applications (1)

Application Number Title Priority Date Filing Date
DE112020004675.3T Pending DE112020004675T5 (de) 2019-09-30 2020-09-11 Rotor, traktionsmotor und verfahren zum herstellen des rotors

Country Status (5)

Country Link
US (1) US20220345013A1 (https=)
JP (1) JP7501539B2 (https=)
CN (1) CN115836463B (https=)
DE (1) DE112020004675T5 (https=)
WO (1) WO2021065424A1 (https=)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113765312B (zh) * 2021-09-28 2022-08-02 安徽威灵汽车部件有限公司 转子压装方法、转子、电动助力转向电机及车辆
DE102022213295A1 (de) * 2022-12-08 2024-06-13 Volkswagen Aktiengesellschaft Rotor mit stanzpaketiertem, spaltfreien Lamellenpaket
US20240243628A1 (en) * 2023-01-12 2024-07-18 Ford Global Technologies, Llc Molded rotor endcaps
EP4546613A1 (en) * 2023-10-24 2025-04-30 Nichia Corporation A magnet unit and a method for manufacturing the same

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2018007483A (ja) 2016-07-06 2018-01-11 日立オートモティブシステムズ株式会社 回転電機の製造方法
JP2019179309A (ja) 2018-03-30 2019-10-17 日立オートモティブシステムズ株式会社 処理装置

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4726602B2 (ja) * 2005-10-17 2011-07-20 株式会社三井ハイテック 積層鉄心及びその製造方法
JP5572508B2 (ja) * 2010-09-30 2014-08-13 日立オートモティブシステムズ株式会社 回転電機
JP5990886B2 (ja) * 2011-09-22 2016-09-14 日産自動車株式会社 回転子
JP2015104244A (ja) * 2013-11-26 2015-06-04 ファナック株式会社 樹脂を充填するための樹脂孔を有するロータ、およびロータの製造方法
JP5774081B2 (ja) * 2013-12-09 2015-09-02 三菱電機株式会社 回転電機
JP6424443B2 (ja) * 2014-03-24 2018-11-21 セイコーエプソン株式会社 ローター、モーター、及びロボット
JP6536273B2 (ja) * 2015-08-10 2019-07-03 日本電産株式会社 ロータ、およびモータ
DE112016007296T5 (de) * 2016-09-30 2019-06-13 Nidec Corporation Verfahren zum herstellen eines rotors, rotor und motor
US10821637B2 (en) * 2016-10-31 2020-11-03 Mitsui High-Tec, Inc. Resin injection apparatus and method of manufacturing core product
KR102452163B1 (ko) * 2017-08-03 2022-10-11 엘지이노텍 주식회사 모터

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2018007483A (ja) 2016-07-06 2018-01-11 日立オートモティブシステムズ株式会社 回転電機の製造方法
JP2019179309A (ja) 2018-03-30 2019-10-17 日立オートモティブシステムズ株式会社 処理装置

Also Published As

Publication number Publication date
CN115836463B (zh) 2025-12-12
US20220345013A1 (en) 2022-10-27
WO2021065424A1 (ja) 2021-04-08
JP7501539B2 (ja) 2024-06-18
CN115836463A (zh) 2023-03-21
JPWO2021065424A1 (https=) 2021-04-08

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