FR2466124B1 - Tole pour circuit magnetique, procede de fabrication d'un circuit magnetique et moteur a commutation electronique correspondant - Google Patents

Tole pour circuit magnetique, procede de fabrication d'un circuit magnetique et moteur a commutation electronique correspondant

Info

Publication number
FR2466124B1
FR2466124B1 FR8018116A FR8018116A FR2466124B1 FR 2466124 B1 FR2466124 B1 FR 2466124B1 FR 8018116 A FR8018116 A FR 8018116A FR 8018116 A FR8018116 A FR 8018116A FR 2466124 B1 FR2466124 B1 FR 2466124B1
Authority
FR
France
Prior art keywords
magnetic circuit
sheet
electronic switching
corresponding electronic
switching motor
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.)
Expired - Lifetime
Application number
FR8018116A
Other languages
English (en)
Other versions
FR2466124A1 (fr
Inventor
David Hershberger Doran
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.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Publication of FR2466124A1 publication Critical patent/FR2466124A1/fr
Application granted granted Critical
Publication of FR2466124B1 publication Critical patent/FR2466124B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
    • D06F37/30—Driving arrangements 
    • D06F37/304—Arrangements or adaptations of electric motors
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
    • D06F37/30—Driving arrangements 
    • D06F37/40—Driving arrangements  for driving the receptacle and an agitator or impeller, e.g. alternatively

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Power Engineering (AREA)
  • Iron Core Of Rotating Electric Machines (AREA)
  • Permanent Field Magnets Of Synchronous Machinery (AREA)
  • Permanent Magnet Type Synchronous Machine (AREA)
  • Dc Machiner (AREA)
  • Windings For Motors And Generators (AREA)
  • Manufacture Of Motors, Generators (AREA)
  • Induction Machinery (AREA)
  • Brushless Motors (AREA)
FR8018116A 1979-09-21 1980-08-19 Tole pour circuit magnetique, procede de fabrication d'un circuit magnetique et moteur a commutation electronique correspondant Expired - Lifetime FR2466124B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/077,784 US4327302A (en) 1979-09-21 1979-09-21 Electronically commutated motor, stationary and rotatable assemblies therefore, and lamination

Publications (2)

Publication Number Publication Date
FR2466124A1 FR2466124A1 (fr) 1981-03-27
FR2466124B1 true FR2466124B1 (fr) 1994-02-04

Family

ID=22140038

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8018116A Expired - Lifetime FR2466124B1 (fr) 1979-09-21 1980-08-19 Tole pour circuit magnetique, procede de fabrication d'un circuit magnetique et moteur a commutation electronique correspondant

Country Status (6)

Country Link
US (1) US4327302A (fr)
JP (2) JPS5646657A (fr)
CA (1) CA1150962A (fr)
FR (1) FR2466124B1 (fr)
GB (1) GB2063576B (fr)
IT (1) IT1203817B (fr)

Families Citing this family (113)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4449079A (en) * 1980-04-17 1984-05-15 General Electric Company Control system for an electronically commutated motor
US5023527A (en) * 1974-06-24 1991-06-11 General Electric Company Control circuits, electronically commutated motor systems and methods
US4564776A (en) * 1978-06-16 1986-01-14 Hitachi, Ltd. Magneto device for generating signals
US4476736A (en) * 1979-09-21 1984-10-16 General Electric Company Transmission for a laundry machine
US4513230A (en) * 1980-04-17 1985-04-23 General Electric Company Laundering apparatus, method of operating a laundry machine, control system for an electronically commutated motor, and method of operating an electronically commutated motor
US4532459A (en) * 1980-04-17 1985-07-30 General Electric Company Laundering apparatus, method of operating a laundry machine, control system for an electronically commutated motor and method of operating an electronically commutated motor
US4417168A (en) * 1981-10-26 1983-11-22 General Electric Company Permanent magnet rotor for a dynamo electric machine
US4528485A (en) * 1982-04-13 1985-07-09 General Electric Company Electronically commutated motor, method of operating such, control circuit, laundry machine and drive therefor
FR2525830A1 (fr) * 1982-04-23 1983-10-28 Renault Machine electrodynamique refroidie par un liquide
JPS59117451A (ja) * 1982-12-24 1984-07-06 Fanuc Ltd 同期電機
JPS59230454A (ja) * 1983-06-10 1984-12-25 Fanuc Ltd 永久磁石界磁回転子の製造方法
US4642537A (en) * 1983-12-13 1987-02-10 General Electric Company Laundering apparatus
US4636936A (en) * 1984-04-19 1987-01-13 General Electric Company Control system for an electronically commutated motor
BG39785A1 (en) * 1984-05-22 1986-08-15 Popov Rotor for electric machine
US4724348A (en) * 1984-12-03 1988-02-09 General Electric Company Rotatable assembly for dynamoelectric machines having means for reducing release of magnet material particles therefrom
US4625392A (en) * 1985-09-05 1986-12-02 General Electric Company Method of manufacturing a molded rotatable assembly for dynamoelectric machines
US4712035A (en) * 1985-11-12 1987-12-08 General Electric Company Salient pole core and salient pole electronically commutated motor
US5619871A (en) * 1985-11-12 1997-04-15 General Electric Company Laundry machine
CA1323650C (fr) * 1985-11-12 1993-10-26 Franklin Lee Forbes Moteur a commutation electrique a culasse bobinee lateralement
US5266855A (en) * 1986-03-06 1993-11-30 Fisher & Paykel, Limited Electric motor for clothes washing machine drive
US4814677A (en) * 1987-12-14 1989-03-21 General Electric Company Field orientation control of a permanent magnet motor
GB2222729A (en) * 1988-09-12 1990-03-14 Lee Jong Seob Brushless motor having opposed pairs of field coils producing different magnitude fields
JP2524080Y2 (ja) * 1990-10-15 1997-01-29 株式会社明電舎 同期電動機の回転子鉄板
JP3089031B2 (ja) * 1990-11-30 2000-09-18 株式会社東芝 洗濯機
JP2944784B2 (ja) * 1991-06-14 1999-09-06 株式会社東芝 洗濯機
JP3055130B2 (ja) * 1991-08-22 2000-06-26 株式会社デンソー 回転電機の電機子の製造方法
USRE37576E1 (en) 1993-02-22 2002-03-12 General Electric Company Single phase motor with positive torque parking positions
US6005318A (en) * 1994-02-04 1999-12-21 Schelenker Enterprises Ltd. Motor including embedded permanent-magnet rotor and method for making the same
US6259180B1 (en) 1996-07-02 2001-07-10 Schlenker Enterprises, Ltd. Motor including embedded permanent magnet rotor and method for making the same
US5554900A (en) * 1994-02-04 1996-09-10 Schlenker Enterprises Ltd. Motor including embedded permanent-magnet rotor
EP0678967A1 (fr) * 1994-04-18 1995-10-25 General Electric Company Rotor pour moteur à aimants permanents
US6025668A (en) * 1995-12-08 2000-02-15 Dana Corporation Variable reluctance motor having bifurcated stator poles
US5650680A (en) * 1995-12-11 1997-07-22 Marathon Electric Mfg. Co. Dynamo electric machine with permanent magnet rotor structure
US5844346A (en) * 1996-04-18 1998-12-01 Dana Corporation Low torque ripple switched reluctance motor
JP3351237B2 (ja) * 1996-05-16 2002-11-25 三菱電機株式会社 永久磁石形モータ
US5821660A (en) * 1997-03-05 1998-10-13 Mts Systems Corporation Brushless direct current motor having adjustable motor characteristics
TW364234B (en) * 1997-04-14 1999-07-11 Sanyo Electric Co Rotor for an electric motor
US6800977B1 (en) * 1997-12-23 2004-10-05 Ford Global Technologies, Llc. Field control in permanent magnet machine
KR20000009230A (ko) * 1998-07-22 2000-02-15 윤종용 브리시리스 직류 전동기
FR2791483B1 (fr) * 1999-03-22 2004-06-25 Valeo Equip Electr Moteur Machine tournante comportant des aimants de compositions differentes
US6172441B1 (en) * 1999-06-28 2001-01-09 Visteon Global Technologies, Inc. Rotor assembly
JP2001314052A (ja) * 2000-02-25 2001-11-09 Nissan Motor Co Ltd 同期電動機のロータ構造
DE10033799A1 (de) * 2000-03-23 2001-10-11 Schaefertoens Joern H Transversalflussmaschine
JP2003047185A (ja) * 2001-07-31 2003-02-14 Nissan Motor Co Ltd 永久磁石式回転電機
US6765322B2 (en) * 2001-08-01 2004-07-20 General Electric Canada, Inc. Amortisseur vibration damper
US6684483B2 (en) 2001-09-14 2004-02-03 General Motors Corporation Method of fabricating a rotor for an electric traction motor
DE10153750A1 (de) * 2001-10-31 2003-05-22 Siemens Ag Rotor für PM-Synchronmaschine
US7015616B2 (en) * 2002-04-01 2006-03-21 Honeywell International, Inc. System and method for providing coil retention in the rotor windings of a high speed generator
US7690063B2 (en) * 2002-05-09 2010-04-06 Whirlpool Corporation Random tumbling washing machine wash chamber for improving cleaning while minimizing mechanical damage to clothes
US6867527B2 (en) * 2002-09-25 2005-03-15 General Electric Canada, Inc. Method and apparatus for reducing dynamo-electric machine vibration
KR100464054B1 (ko) 2002-12-27 2005-01-03 엘지전자 주식회사 일체형 캐비넷/터브를 구비한 드럼 세탁기
EP1433891B1 (fr) 2002-12-27 2012-05-02 LG Electronics Inc. Machine à laver à tambour
EP1471621A3 (fr) 2003-04-24 2005-12-14 Minebea Co., Ltd. Elément de rotor pour un moteur électrique
DE10318624A1 (de) * 2003-04-24 2004-11-25 Minebea Co., Ltd. Rotorkörper für einen Elektromotor
KR100634802B1 (ko) * 2004-07-20 2006-10-16 엘지전자 주식회사 드럼 세탁기
US9093874B2 (en) 2004-10-25 2015-07-28 Novatorque, Inc. Sculpted field pole members and methods of forming the same for electrodynamic machines
US7982350B2 (en) 2004-10-25 2011-07-19 Novatorque, Inc. Conical magnets and rotor-stator structures for electrodynamic machines
US8330316B2 (en) 2011-03-09 2012-12-11 Novatorque, Inc. Rotor-stator structures including boost magnet structures for magnetic regions in rotor assemblies disposed external to boundaries of conically-shaped spaces
US8471425B2 (en) 2011-03-09 2013-06-25 Novatorque, Inc. Rotor-stator structures including boost magnet structures for magnetic regions having angled confronting surfaces in rotor assemblies
US8543365B1 (en) 2004-10-25 2013-09-24 Novatorque, Inc. Computer-readable medium, a method and an apparatus for designing and simulating electrodynamic machines implementing conical and cylindrical magnets
US8283832B2 (en) * 2004-10-25 2012-10-09 Novatorque, Inc. Sculpted field pole members and methods of forming the same for electrodynamic machines
US7301310B2 (en) * 2005-08-24 2007-11-27 Honeywell International, Inc. Excitation controlled synchronous permanent magnet machine
US7841220B2 (en) * 2005-09-30 2010-11-30 Lg Electronics Inc. Drum-type washing machine
DE102005047771A1 (de) * 2005-10-05 2007-04-19 Minebea Co., Ltd. Rotoranordnung für eine elektrische Maschine und Verfahren zum Herstellen der Rotoranordnung
US20070132330A1 (en) * 2005-12-12 2007-06-14 Fei Renyan W Fan assemblies employing LSPM motors and LSPM motors having improved synchronization
US20070159281A1 (en) * 2006-01-10 2007-07-12 Liang Li System and method for assembly of an electromagnetic machine
US7536882B2 (en) 2006-03-29 2009-05-26 Lg Electronics Inc. Drum type washing machine
US7598645B2 (en) * 2007-05-09 2009-10-06 Uqm Technologies, Inc. Stress distributing permanent magnet rotor geometry for electric machines
DE102007059203A1 (de) * 2007-12-08 2009-06-18 Weh, Herbert, Prof. Dr.-Ing. Dr. h.c. Permanentmagneterregte Synchronmaschine mit hoher Kraftdichte bei kleiner Magnetstreuung
FR2943861B1 (fr) * 2009-03-24 2016-01-15 Jeumont Electric Stator d'une machine tournante electrique
FI121985B (fi) 2009-05-27 2011-06-30 Abb Oy Järjestely magneetin kiinnittämiseksi roottoriin ja roottori
DE102009026288A1 (de) * 2009-07-29 2011-02-10 Sabinski, Joachim, Dr.-Ing. Permanentmagnetläufer mit geschützt und versenkt angeordneten, radial ausgerichteten Permanentmagneten bei tangentialer Ausrichtung der Magnetpole als Innenläuferausführung oder Außenläuferausführung rotierender elektrischer Maschinen und Verfahren zur Montage dieser Permanentmagnetläufer
DE102010028437A1 (de) * 2010-04-30 2011-11-03 BSH Bosch und Siemens Hausgeräte GmbH Waschmaschine mit feststehendem Laugenbehälter und Verfahren zu ihrem Betrieb
US20110273049A1 (en) * 2010-05-10 2011-11-10 Remy Technologies, L.L.C. Rotor lamination assembly
JP2012010556A (ja) * 2010-06-28 2012-01-12 Aisin Seiki Co Ltd 回転電機用ロータ
JP2012213268A (ja) * 2011-03-31 2012-11-01 Daikin Ind Ltd 回転電気機械
JP5835928B2 (ja) 2011-04-15 2015-12-24 三菱重工業株式会社 電動モータおよびそれを用いた電動圧縮機
CN202221930U (zh) * 2011-08-11 2012-05-16 中山大洋电机制造有限公司 一种电机永磁转子结构
JP5370433B2 (ja) * 2011-08-21 2013-12-18 株式会社豊田自動織機 永久磁石埋設型電動モータ
US8820433B2 (en) 2011-08-30 2014-09-02 Black & Decker Inc. Axially compact power tool
JP2013099048A (ja) * 2011-10-31 2013-05-20 Toyota Industries Corp 永久磁石式回転電機の回転子、及び永久磁石式回転電機
CN103999330B (zh) * 2011-11-30 2017-03-29 Abb研究有限公司 电机和电机转子
KR101940755B1 (ko) * 2012-01-16 2019-01-21 삼성전자 주식회사 회전자 및 이를 포함하는 전동기
CN102545493B (zh) * 2012-01-22 2014-03-05 浙江大学 制造永磁电机转子的方法
JP5851365B2 (ja) 2012-08-31 2016-02-03 日立オートモティブシステムズ株式会社 回転電機
US9882440B2 (en) 2012-10-15 2018-01-30 Regal Beloit America, Inc. Radially embedded permanent magnet rotor and methods thereof
US9099905B2 (en) 2012-10-15 2015-08-04 Regal Beloit America, Inc. Radially embedded permanent magnet rotor and methods thereof
US9362792B2 (en) 2012-10-15 2016-06-07 Regal Beloit America, Inc. Radially embedded permanent magnet rotor having magnet retention features and methods thereof
US9831727B2 (en) 2012-10-15 2017-11-28 Regal Beloit America, Inc. Permanent magnet rotor and methods thereof
US9246364B2 (en) 2012-10-15 2016-01-26 Regal Beloit America, Inc. Radially embedded permanent magnet rotor and methods thereof
CN104838565B (zh) 2013-02-08 2018-01-09 富士电机株式会社 永磁体嵌入式旋转电机
EP3032718B1 (fr) * 2013-08-09 2021-11-17 Narita Co., Ltd. Dispositif rotatif magnétique, moteur électrique et générateur à moteur électrique
WO2015044369A2 (fr) * 2013-09-27 2015-04-02 Flsmidth A/S Rotor pour machine électrique
CN104682650A (zh) * 2013-11-28 2015-06-03 德昌电机(深圳)有限公司 电机转子以及具有该电机转子的无刷电机
FR3018009B1 (fr) * 2014-02-27 2017-10-20 Moteurs Leroy-Somer Rotor de machine electrique tournante
FR3019948B1 (fr) * 2014-04-10 2017-12-22 Moteurs Leroy-Somer Rotor de machine electrique tournante.
EP3145057B1 (fr) * 2014-05-15 2022-05-04 Fuji Electric Co., Ltd. Machine electrique tournante a aimants permanents encastres
EP2991195A1 (fr) * 2014-09-01 2016-03-02 Siemens Aktiengesellschaft Machine dynamométrique à excitation permanente
EP3026793A1 (fr) 2014-11-25 2016-06-01 Black & Decker Inc. Moteur sans balai pour un outil électrique
US10786894B2 (en) 2015-10-14 2020-09-29 Black & Decker Inc. Brushless motor system for power tools
JP2018182968A (ja) 2017-04-19 2018-11-15 ファナック株式会社 ロータおよび回転電機
TWM576750U (zh) 2017-07-25 2019-04-11 美商米沃奇電子工具公司 電氣組合物、電動化裝置系統、電池組、電馬達、馬達總成及電馬達總成
KR102041781B1 (ko) * 2017-11-27 2019-11-07 효성전기주식회사 Bldc모터 권선방법
JP7063916B2 (ja) * 2017-12-07 2022-05-09 三菱電機株式会社 ロータ、電動機、圧縮機、空気調和機、及びロータの製造方法
US10644576B2 (en) * 2017-12-30 2020-05-05 Abb Schweiz Ag Method for manufacturing an electrical machine
US11081917B2 (en) * 2018-11-29 2021-08-03 General Electric Company Electric machine and a turbo machine having the same
WO2020172180A1 (fr) 2019-02-18 2020-08-27 Milwaukee Electric Tool Corporation Outil à percussion
DE102019117691A1 (de) * 2019-07-01 2021-01-07 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Verfahren zum Herstellen eines Rotors einer elektrischen Maschine und Rotor einer elektrischen Maschine
US11223252B2 (en) * 2019-08-05 2022-01-11 GM Global Technology Operations LLC Rotor for an electric machine
WO2021039016A1 (fr) * 2019-08-26 2021-03-04 日本電産株式会社 Moteur à aimants permanents intérieurs
DE102019127583A1 (de) * 2019-10-14 2021-04-15 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Rotoreinrichtung und Verfahren zur Herstellung einer Rotoreinrichtung für eine elektrische Maschine, insbesondere für einen Fahrzeugantrieb für ein Elektrofahrzeug
WO2023054064A1 (fr) * 2021-09-30 2023-04-06 本田技研工業株式会社 Rotor
WO2024084541A1 (fr) * 2022-10-17 2024-04-25 株式会社 東芝 Rotor à aimant intégré et machine électrique tournante à aimant intégré

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1324147A (en) * 1971-09-17 1973-07-18 Univ Southampton Permanent magnet rotor for synchronous electric machine
GB1359548A (en) * 1971-12-09 1974-07-10 Univ Southampton Permanent magnetic rotor for synchronous electric machines
US3840763A (en) * 1973-07-09 1974-10-08 Gen Electric Low flux density permanent magnet field configuration
FR2324150A1 (fr) * 1975-05-30 1977-04-08 Cem Comp Electro Mec Perfectionnements aux moteurs synchrones autosynchronisables
DE2608421C3 (de) * 1976-03-01 1979-01-18 Siemens Ag, 1000 Berlin Und 8000 Muenchen Dauermagneterregter Innenläufer für eine Synchronmaschine
JPS5370313U (fr) * 1976-11-17 1978-06-13
US4188554A (en) * 1977-12-13 1980-02-12 The University Of Southampton Alternating current rotating electric machine

Also Published As

Publication number Publication date
JPH033457B2 (fr) 1991-01-18
JPS5646657A (en) 1981-04-27
GB2063576B (en) 1983-12-14
CA1150962A (fr) 1983-08-02
IT1203817B (it) 1989-02-23
US4327302A (en) 1982-04-27
FR2466124A1 (fr) 1981-03-27
GB2063576A (en) 1981-06-03
JPH02179253A (ja) 1990-07-12
IT8019695A0 (it) 1980-02-05

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