FR3103332B1 - Machine à refroidissement par liquide - Google Patents

Machine à refroidissement par liquide Download PDF

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Publication number
FR3103332B1
FR3103332B1 FR1912738A FR1912738A FR3103332B1 FR 3103332 B1 FR3103332 B1 FR 3103332B1 FR 1912738 A FR1912738 A FR 1912738A FR 1912738 A FR1912738 A FR 1912738A FR 3103332 B1 FR3103332 B1 FR 3103332B1
Authority
FR
France
Prior art keywords
laminations
rotor
stack
liquid cooling
cooling machine
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
FR1912738A
Other languages
English (en)
Other versions
FR3103332A1 (fr
Inventor
Guillaume Tardy
Diana Fantuz
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 PSA Emotors SAS
Original Assignee
Nidec PSA Emotors SAS
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 PSA Emotors SAS filed Critical Nidec PSA Emotors SAS
Priority to FR1912738A priority Critical patent/FR3103332B1/fr
Priority to EP20817455.7A priority patent/EP4059122A1/fr
Priority to PCT/FR2020/051988 priority patent/WO2021094670A1/fr
Priority to US17/775,513 priority patent/US20220399770A1/en
Priority to CN202080079237.7A priority patent/CN114731079A/zh
Publication of FR3103332A1 publication Critical patent/FR3103332A1/fr
Application granted granted Critical
Publication of FR3103332B1 publication Critical patent/FR3103332B1/fr
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
    • H02K1/32—Rotating parts of the magnetic circuit with channels or ducts for flow of cooling medium
    • 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
    • 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
    • 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
    • H02K7/003—Couplings; Details of shafts
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K9/00—Arrangements for cooling or ventilating
    • H02K9/19—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil

Abstract

Machine à refroidissement par liquide L’invention concerne une machine électrique tournante à refroidissement par liquide, comportant un rotor à aimants permanents et un stator bobiné, le rotor comportant :(i) au moins un paquet de tôles rotoriques, (ii) des aimants logés dans ledit paquet de tôles, (iii) des flasques avant et arrière adjacents audit paquet de tôles, la machine étant configurée pour assurer une circulation croisée du liquide de refroidissement au sein du paquet de tôles rotoriques. Figure pour l’abrégé : Fig. 2
FR1912738A 2019-11-14 2019-11-14 Machine à refroidissement par liquide Active FR3103332B1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FR1912738A FR3103332B1 (fr) 2019-11-14 2019-11-14 Machine à refroidissement par liquide
EP20817455.7A EP4059122A1 (fr) 2019-11-14 2020-11-04 Machine a refroidissement par liquide
PCT/FR2020/051988 WO2021094670A1 (fr) 2019-11-14 2020-11-04 Machine a refroidissement par liquide
US17/775,513 US20220399770A1 (en) 2019-11-14 2020-11-04 Liquid cooling machine
CN202080079237.7A CN114731079A (zh) 2019-11-14 2020-11-04 液体冷却式电机

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1912738A FR3103332B1 (fr) 2019-11-14 2019-11-14 Machine à refroidissement par liquide
FR1912738 2019-11-14

Publications (2)

Publication Number Publication Date
FR3103332A1 FR3103332A1 (fr) 2021-05-21
FR3103332B1 true FR3103332B1 (fr) 2023-02-24

Family

ID=70154480

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1912738A Active FR3103332B1 (fr) 2019-11-14 2019-11-14 Machine à refroidissement par liquide

Country Status (5)

Country Link
US (1) US20220399770A1 (fr)
EP (1) EP4059122A1 (fr)
CN (1) CN114731079A (fr)
FR (1) FR3103332B1 (fr)
WO (1) WO2021094670A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102021207594A1 (de) * 2021-07-16 2023-01-19 Magna powertrain gmbh & co kg Elektrische Maschine
AT525415A1 (de) * 2021-09-10 2023-03-15 Miba Emobility Gmbh Elektrische Maschine und Antriebseinheit mit einer solchen elektrischen Maschine
US20240006943A1 (en) * 2022-07-01 2024-01-04 Atieva, Inc. Electric motor with centrifugal pump to flow fluid in rotor channel

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3967624B2 (ja) 2002-04-26 2007-08-29 株式会社日本自動車部品総合研究所 電動機
JP4560067B2 (ja) 2007-07-19 2010-10-13 トヨタ自動車株式会社 回転電機
JP2010239799A (ja) * 2009-03-31 2010-10-21 Aisin Aw Co Ltd 回転電機及び回転電機用エンドプレート
EP2583372A2 (fr) * 2010-06-21 2013-04-24 Nidec Motor Corporation Ensembles moteurs électriques comprenant un refroidissement de stator et/ou de rotor
JP5738007B2 (ja) * 2011-03-02 2015-06-17 株式会社小松製作所 電動機の冷却構造及び電動機
JP6269436B2 (ja) * 2014-10-23 2018-01-31 トヨタ自動車株式会社 回転電機のロータ
US10550892B2 (en) * 2015-09-02 2020-02-04 Nidec Motor Corporation Motor bearing lubrication arrangement
JP6546972B2 (ja) 2017-08-25 2019-07-17 本田技研工業株式会社 回転電機用ロータ、回転電機用電磁鋼板および電動車両
JP6655598B2 (ja) * 2017-12-28 2020-02-26 本田技研工業株式会社 回転電機のロータ
JP6676668B2 (ja) * 2018-01-23 2020-04-08 本田技研工業株式会社 回転電機のロータ及び回転電機
JP7055668B2 (ja) * 2018-03-08 2022-04-18 本田技研工業株式会社 回転電機のロータ
US11476733B2 (en) * 2019-11-01 2022-10-18 GM Global Technology Operations LLC Electric machine with forced convection-based rotor cooling of rotor magnets

Also Published As

Publication number Publication date
WO2021094670A1 (fr) 2021-05-20
FR3103332A1 (fr) 2021-05-21
US20220399770A1 (en) 2022-12-15
EP4059122A1 (fr) 2022-09-21
CN114731079A (zh) 2022-07-08

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