CA3177304A1 - Permanent magnet motor with wrapping - Google Patents

Permanent magnet motor with wrapping Download PDF

Info

Publication number
CA3177304A1
CA3177304A1 CA3177304A CA3177304A CA3177304A1 CA 3177304 A1 CA3177304 A1 CA 3177304A1 CA 3177304 A CA3177304 A CA 3177304A CA 3177304 A CA3177304 A CA 3177304A CA 3177304 A1 CA3177304 A1 CA 3177304A1
Authority
CA
Canada
Prior art keywords
rotor
magnets
electric motor
lamination stack
pole pieces
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
CA3177304A
Other languages
English (en)
French (fr)
Inventor
Leif Eric OLSEN
David Nelson
Konstantinos LASKARIS
Hao GE
Ethan Filip
Christian Vega
Pierre PELLEREY
Vasileios PAPANIKOLAOU
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.)
Tesla Inc
Original Assignee
Tesla Inc
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 Tesla Inc filed Critical Tesla Inc
Publication of CA3177304A1 publication Critical patent/CA3177304A1/en
Pending legal-status Critical Current

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]
    • 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
    • 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
    • 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
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/04—Balancing means
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K2201/00—Specific aspects not provided for in the other groups of this subclass relating to the magnetic circuits
    • H02K2201/03—Machines characterised by aspects of the air-gap between rotor and stator
    • 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)
CA3177304A 2020-05-04 2021-04-30 Permanent magnet motor with wrapping Pending CA3177304A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US202063019848P 2020-05-04 2020-05-04
US63/019,848 2020-05-04
PCT/US2021/030276 WO2021225902A1 (en) 2020-05-04 2021-04-30 Permanent magnet motor with wrapping

Publications (1)

Publication Number Publication Date
CA3177304A1 true CA3177304A1 (en) 2021-11-11

Family

ID=76059995

Family Applications (1)

Application Number Title Priority Date Filing Date
CA3177304A Pending CA3177304A1 (en) 2020-05-04 2021-04-30 Permanent magnet motor with wrapping

Country Status (9)

Country Link
US (1) US20230179045A1 (enExample)
EP (1) EP4147329A1 (enExample)
JP (1) JP2023527675A (enExample)
KR (1) KR20230004834A (enExample)
CN (1) CN115917927A (enExample)
AU (1) AU2021268591A1 (enExample)
CA (1) CA3177304A1 (enExample)
MX (1) MX2022013839A (enExample)
WO (1) WO2021225902A1 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023186454A1 (de) * 2022-03-30 2023-10-05 Robert Bosch Gmbh Rotor einer elektrischen maschine

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US12088146B2 (en) * 2021-08-24 2024-09-10 GM Global Technology Operations LLC Rotor for an electric machine, electric machine for a vehicle, and vehicle
DE102021212953A1 (de) * 2021-11-18 2023-05-25 Robert Bosch Gesellschaft mit beschränkter Haftung Rotor einer elektrischen Maschine
DE102022203125A1 (de) 2022-03-30 2023-10-05 Robert Bosch Gesellschaft mit beschränkter Haftung Rotor einer elektrischen Maschine
EP4544665A1 (en) 2022-06-27 2025-04-30 Solvay Specialty Polymers USA, LLC Rotor sleeve based on a thermoplastic composite material
DE102022206513A1 (de) 2022-06-28 2023-12-28 Robert Bosch Gesellschaft mit beschränkter Haftung Rotor einer elektrischen Maschine
US11942829B2 (en) 2022-07-26 2024-03-26 Borgwarner Inc. Bonded rotor plate
KR20250049327A (ko) 2022-08-10 2025-04-11 로베르트 보쉬 게엠베하 전기 기계의 회전자
DE102023206887A1 (de) 2022-08-10 2024-02-15 Robert Bosch Gesellschaft mit beschränkter Haftung Rotor einer elektrischen Maschine
GB2621836A (en) * 2022-08-22 2024-02-28 Victrex Mfg Ltd Polymeric materials
US12500462B2 (en) 2022-09-30 2025-12-16 Borgwarner Inc. Rotor assembly
DE102022125974A1 (de) * 2022-10-07 2024-04-18 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Rotor einer Elektromaschine
DE102022134277A1 (de) * 2022-12-21 2024-06-27 Bayerische Motoren Werke Aktiengesellschaft Rotor für eine permanenterregte elektrische Maschine mit mehrteiligem Rotorblechpaket und Bandage, permanenterregte elektrische Maschine sowie Verfahren zum Herstellen eines Rotors
DE102023201707A1 (de) * 2023-02-24 2024-08-29 Zf Friedrichshafen Ag Verfahren zur Herstellung eines Rotors mittels einer Montagerichtung sowie nach dem Verfahren hergestellter Rotor
DE102023201706A1 (de) * 2023-02-24 2024-08-29 Zf Friedrichshafen Ag Rotor mit Schrägung sowie Verfahren zur Herstellung des Rotors
DE102023201709A1 (de) * 2023-02-24 2024-08-29 Zf Friedrichshafen Ag Rotor mit mehreren Füllkörpern zur Bildung von Kühlkanälen
DE102023203425A1 (de) 2023-04-17 2024-10-17 Zf Friedrichshafen Ag Blechlamelle für einen Rotor einer elektrischen Maschine, Rotor, elektrische Maschine, und Herstellungsverfahren für einen Rotor
KR20240159098A (ko) 2023-04-28 2024-11-05 현대자동차주식회사 전동기용 회전자 및 그 제조방법
CN116647079B (zh) * 2023-05-24 2024-03-26 小米汽车科技有限公司 驱动电机和车辆
CN116558968B (zh) * 2023-07-12 2023-09-22 天蔚蓝电驱动科技(江苏)有限公司 护套强度的测试工装和测试方法
CN116577204B (zh) * 2023-07-14 2023-10-31 天蔚蓝电驱动科技(江苏)有限公司 碳纤维护套强度的测试装置
DE102023135543A1 (de) * 2023-12-18 2025-06-18 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Rotor einer elektrischen Maschine und elektrische Maschine mit einem Rotor
WO2025129571A1 (zh) * 2023-12-21 2025-06-26 舍弗勒技术股份两合公司 转子总成和电机
DE102024103502A1 (de) 2024-02-08 2025-08-14 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Rotoranordnung und elektrische Maschine
DE102024201285A1 (de) * 2024-02-13 2025-08-14 Zf Friedrichshafen Ag Rotor mit Überlappungsbereichen sowie Verfahren zur Montage des Rotors
DE102024201585A1 (de) * 2024-02-21 2025-08-21 Zf Friedrichshafen Ag Rotor mit unmittelbar an den beiden Endscheiben festgelegten Einlegesegmenten sowie Verfahren zur Montage des Rotors
DE102024105484A1 (de) * 2024-02-27 2025-08-28 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Rotor für eine elektrische Maschine mit einem massiv ausgebildeten zentralen Rotorelement sowie Verfahren zum Herstellen eines solchen Rotorelements
US20250300508A1 (en) * 2024-03-22 2025-09-25 Borgwarner Luxembourg Automotive Systems Sa Systems for rotor including composite material
DE102024111775A1 (de) 2024-04-26 2025-10-30 Mahle International Gmbh Rotor für eine elektrische Maschine
DE102024112536A1 (de) 2024-05-03 2025-11-06 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Rotor einer als permanenterregte Synchronmaschine ausgebildeten elektrischen Maschine, elektrische Maschine und Kraftfahrzeug
KR102874896B1 (ko) * 2024-09-02 2025-10-21 허계용 모터의 로터

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US5486730A (en) * 1993-03-18 1996-01-23 Solar Turbines Incorporated Rotor assembly
JP2584290Y2 (ja) * 1993-09-01 1998-10-30 富士電気化学株式会社 スリーブ軸受けタイプファン
JP3167899B2 (ja) * 1995-09-14 2001-05-21 本田技研工業株式会社 ロータ用磁石の被覆方法および装置
JP2002136069A (ja) * 2000-10-17 2002-05-10 Besutec:Kk 巻線機のワーク保持治具、ワーク入替装置
US20060022541A1 (en) * 2004-07-30 2006-02-02 Raymond Ong Rotor hub and assembly for a permanent magnet power electric machine
US7157827B2 (en) * 2004-09-21 2007-01-02 A. O. Smith Corporation Spoke permanent magnet rotor
JP5193873B2 (ja) * 2006-10-17 2013-05-08 山洋電気株式会社 モータ用回転子及びその製造方法
EP2300703A4 (en) * 2008-04-17 2014-09-10 Synchrony Inc HIGH-SPEED PERMANENT MAGNETIC MOTOR AND GENERATOR WITH A METAL ROTOR WITH LOW LOSS
US8415854B2 (en) * 2008-07-28 2013-04-09 Direct Drive Systems, Inc. Stator for an electric machine
JP2012010556A (ja) * 2010-06-28 2012-01-12 Aisin Seiki Co Ltd 回転電機用ロータ
JP2013176210A (ja) * 2012-02-24 2013-09-05 Toyota Motor Corp 回転電機用ロータ及びその製造方法
GB2518348A (en) * 2013-07-16 2015-03-25 Aim Co Ltd A rotor for an electric motor
JP2016082696A (ja) * 2014-10-16 2016-05-16 アイシン精機株式会社 埋込磁石型モータおよび埋込磁石型モータのロータ
US10720808B2 (en) * 2015-11-23 2020-07-21 Ingersoll-Rand Industrial U.S., Inc. Method of making a permanent magnet rotor
JP6864595B2 (ja) * 2017-09-29 2021-04-28 日立Astemo株式会社 ロータコア、ロータ、回転電機、自動車用電動補機システム
CN114072989B (zh) * 2019-07-11 2024-11-29 三菱电机株式会社 转子及电动机

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023186454A1 (de) * 2022-03-30 2023-10-05 Robert Bosch Gmbh Rotor einer elektrischen maschine

Also Published As

Publication number Publication date
MX2022013839A (es) 2023-02-22
US20230179045A1 (en) 2023-06-08
WO2021225902A1 (en) 2021-11-11
EP4147329A1 (en) 2023-03-15
KR20230004834A (ko) 2023-01-06
AU2021268591A1 (en) 2022-12-08
CN115917927A (zh) 2023-04-04
JP2023527675A (ja) 2023-06-30

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