DE102021213955A1 - Verfahren zur Herstellung eines Rotors eines Elektromotors - Google Patents

Verfahren zur Herstellung eines Rotors eines Elektromotors Download PDF

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Publication number
DE102021213955A1
DE102021213955A1 DE102021213955.8A DE102021213955A DE102021213955A1 DE 102021213955 A1 DE102021213955 A1 DE 102021213955A1 DE 102021213955 A DE102021213955 A DE 102021213955A DE 102021213955 A1 DE102021213955 A1 DE 102021213955A1
Authority
DE
Germany
Prior art keywords
rotor
opening
electric motor
magnet
magnets
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
DE102021213955.8A
Other languages
German (de)
English (en)
Inventor
Tim Male
Peter Sever
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.)
Mahle International GmbH
Original Assignee
Mahle International GmbH
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 Mahle International GmbH filed Critical Mahle International GmbH
Priority to DE102021213955.8A priority Critical patent/DE102021213955A1/de
Priority to US18/718,016 priority patent/US20250055359A1/en
Priority to JP2024534210A priority patent/JP2024544699A/ja
Priority to PCT/EP2022/081959 priority patent/WO2023104446A1/de
Priority to CN202280081369.2A priority patent/CN118369835A/zh
Publication of DE102021213955A1 publication Critical patent/DE102021213955A1/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]
    • 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
    • H02K1/27—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
    • H02K2201/00—Specific aspects not provided for in the other groups of this subclass relating to the magnetic circuits
    • H02K2201/06—Magnetic cores, or permanent magnets characterised by their skew
    • 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)
  • Manufacturing & Machinery (AREA)
  • Permanent Field Magnets Of Synchronous Machinery (AREA)
  • Iron Core Of Rotating Electric Machines (AREA)
DE102021213955.8A 2021-12-08 2021-12-08 Verfahren zur Herstellung eines Rotors eines Elektromotors Pending DE102021213955A1 (de)

Priority Applications (5)

Application Number Priority Date Filing Date Title
DE102021213955.8A DE102021213955A1 (de) 2021-12-08 2021-12-08 Verfahren zur Herstellung eines Rotors eines Elektromotors
US18/718,016 US20250055359A1 (en) 2021-12-08 2022-11-15 Method for producing a rotor of an electric motor
JP2024534210A JP2024544699A (ja) 2021-12-08 2022-11-15 電気モータのロータを製造する方法
PCT/EP2022/081959 WO2023104446A1 (de) 2021-12-08 2022-11-15 Verfahren zur herstellung eines rotors eines elektromotors
CN202280081369.2A CN118369835A (zh) 2021-12-08 2022-11-15 用于制造电动机的转子的方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102021213955.8A DE102021213955A1 (de) 2021-12-08 2021-12-08 Verfahren zur Herstellung eines Rotors eines Elektromotors

Publications (1)

Publication Number Publication Date
DE102021213955A1 true DE102021213955A1 (de) 2023-06-15

Family

ID=84387760

Family Applications (1)

Application Number Title Priority Date Filing Date
DE102021213955.8A Pending DE102021213955A1 (de) 2021-12-08 2021-12-08 Verfahren zur Herstellung eines Rotors eines Elektromotors

Country Status (5)

Country Link
US (1) US20250055359A1 (https=)
JP (1) JP2024544699A (https=)
CN (1) CN118369835A (https=)
DE (1) DE102021213955A1 (https=)
WO (1) WO2023104446A1 (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4572096A1 (de) * 2023-12-12 2025-06-18 Valeo eAutomotive Germany GmbH Rotorblechpaket für eine elektrische maschine mit abschlussblechen zur halten eines magneten

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20240243628A1 (en) * 2023-01-12 2024-07-18 Ford Global Technologies, Llc Molded rotor endcaps
JP2026065469A (ja) * 2024-10-03 2026-04-15 株式会社三井ハイテック 積層鉄心及び積層鉄心製造方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE112016004949T5 (de) 2015-10-29 2018-07-19 Aisin Seiki Kabushiki Kaisha Permanentmagnetmotor
DE102017214309A1 (de) 2017-08-17 2019-02-21 Continental Automotive Gmbh Rotor für eine elektrische Maschine, insbesondere eines Kraftfahrzeugs, sowie Verfahren zum Herstellen eines solchen Rotors
DE102022201831A1 (de) 2021-02-24 2022-08-25 Nidec Corporation Rotor, rotierende elektrische Maschine und Antriebsvorrichtung

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2372885B1 (en) * 2008-12-15 2017-07-05 Kabushiki Kaisha Toshiba Permanent magnet type rotary electrical machine
DE102011078054A1 (de) * 2011-06-24 2012-12-27 Robert Bosch Gmbh Lamellenpaket mit Magnetfixiernasen für einen Rotor oder Stator einer Elektromaschine
JP5990886B2 (ja) * 2011-09-22 2016-09-14 日産自動車株式会社 回転子
JP6661939B2 (ja) * 2015-09-29 2020-03-11 ダイキン工業株式会社 ロータ

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE112016004949T5 (de) 2015-10-29 2018-07-19 Aisin Seiki Kabushiki Kaisha Permanentmagnetmotor
DE102017214309A1 (de) 2017-08-17 2019-02-21 Continental Automotive Gmbh Rotor für eine elektrische Maschine, insbesondere eines Kraftfahrzeugs, sowie Verfahren zum Herstellen eines solchen Rotors
DE102022201831A1 (de) 2021-02-24 2022-08-25 Nidec Corporation Rotor, rotierende elektrische Maschine und Antriebsvorrichtung

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
VACUUMSCHMELZE GmbH & Co. KG: Weichmagnetische Werkstoffe und Halbzeuge. Ausgabe 2002. Hanau, 2002. S. 5, 11.- Firmenschrift

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4572096A1 (de) * 2023-12-12 2025-06-18 Valeo eAutomotive Germany GmbH Rotorblechpaket für eine elektrische maschine mit abschlussblechen zur halten eines magneten

Also Published As

Publication number Publication date
US20250055359A1 (en) 2025-02-13
JP2024544699A (ja) 2024-12-03
WO2023104446A1 (de) 2023-06-15
CN118369835A (zh) 2024-07-19

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