JP4796788B2 - コアレスモータ - Google Patents

コアレスモータ Download PDF

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Publication number
JP4796788B2
JP4796788B2 JP2005136789A JP2005136789A JP4796788B2 JP 4796788 B2 JP4796788 B2 JP 4796788B2 JP 2005136789 A JP2005136789 A JP 2005136789A JP 2005136789 A JP2005136789 A JP 2005136789A JP 4796788 B2 JP4796788 B2 JP 4796788B2
Authority
JP
Japan
Prior art keywords
magnet
powder
rotor
motor
molding
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 - Fee Related
Application number
JP2005136789A
Other languages
English (en)
Japanese (ja)
Other versions
JP2006320036A5 (enExample
JP2006320036A (ja
Inventor
裕治 榎本
元哉 伊藤
良三 正木
光一郎 大原
正裕 三田
又洋 小室
正宏 増澤
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.)
Hitachi Ltd
Hitachi Industrial Equipment Systems Co Ltd
Proterial Ltd
Original Assignee
Hitachi Ltd
Hitachi Metals Ltd
Hitachi Industrial Equipment Systems Co Ltd
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 Hitachi Ltd, Hitachi Metals Ltd, Hitachi Industrial Equipment Systems Co Ltd filed Critical Hitachi Ltd
Priority to JP2005136789A priority Critical patent/JP4796788B2/ja
Priority to US11/429,946 priority patent/US7906881B2/en
Priority to CN2006100778691A priority patent/CN1881754B/zh
Priority to EP06009547A priority patent/EP1722457A3/en
Publication of JP2006320036A publication Critical patent/JP2006320036A/ja
Publication of JP2006320036A5 publication Critical patent/JP2006320036A5/ja
Application granted granted Critical
Publication of JP4796788B2 publication Critical patent/JP4796788B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K1/00Details of the magnetic circuit
    • H02K1/06Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/22Rotating parts of the magnetic circuit
    • H02K1/27Rotor cores with permanent magnets
    • H02K1/2706Inner rotors
    • H02K1/272Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
    • H02K1/274Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets
    • H02K1/2753Inner 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
    • H02K1/278Surface mounted magnets; Inset magnets
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K15/00Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
    • H02K15/02Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
    • H02K15/03Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies having permanent magnets

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Permanent Field Magnets Of Synchronous Machinery (AREA)
  • Permanent Magnet Type Synchronous Machine (AREA)
  • Iron Core Of Rotating Electric Machines (AREA)
JP2005136789A 2005-05-10 2005-05-10 コアレスモータ Expired - Fee Related JP4796788B2 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2005136789A JP4796788B2 (ja) 2005-05-10 2005-05-10 コアレスモータ
US11/429,946 US7906881B2 (en) 2005-05-10 2006-05-09 Motor
CN2006100778691A CN1881754B (zh) 2005-05-10 2006-05-09 电动机
EP06009547A EP1722457A3 (en) 2005-05-10 2006-05-09 Motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2005136789A JP4796788B2 (ja) 2005-05-10 2005-05-10 コアレスモータ

Publications (3)

Publication Number Publication Date
JP2006320036A JP2006320036A (ja) 2006-11-24
JP2006320036A5 JP2006320036A5 (enExample) 2007-02-22
JP4796788B2 true JP4796788B2 (ja) 2011-10-19

Family

ID=36889263

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2005136789A Expired - Fee Related JP4796788B2 (ja) 2005-05-10 2005-05-10 コアレスモータ

Country Status (4)

Country Link
US (1) US7906881B2 (enExample)
EP (1) EP1722457A3 (enExample)
JP (1) JP4796788B2 (enExample)
CN (1) CN1881754B (enExample)

Families Citing this family (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4305736C1 (de) * 1992-11-05 1994-06-09 Diagen Inst Molekularbio Evolutive Vakzinierung
JP4654709B2 (ja) 2004-07-28 2011-03-23 株式会社日立製作所 希土類磁石
JP4797906B2 (ja) * 2005-09-26 2011-10-19 株式会社日立製作所 磁性材料,磁石及び回転機
JP2007116088A (ja) * 2005-09-26 2007-05-10 Hitachi Ltd 磁性材料,磁石及び回転機
JP4853771B2 (ja) * 2006-03-01 2012-01-11 日立金属株式会社 ヨーク一体型ボンド磁石およびそれを用いたモータ用磁石回転子
SE533657C2 (sv) * 2007-10-16 2010-11-23 Magnetic Components Sweden Ab Pulverbaserad, mjukmagnetisk, induktiv komponent samt metod och anordning för tillverkning därav
US8049376B2 (en) * 2008-01-29 2011-11-01 Ford Global Technologies, Llc Motor system with magnet for a vehicle fuel pump
WO2010066251A1 (en) 2008-12-12 2010-06-17 Sintex A/S A permanent magnet rotor for a machine, a method for manufacturing a permanent magnet rotor and a manufacturing system
JP2010193568A (ja) * 2009-02-16 2010-09-02 Daido Electronics Co Ltd 電動モータにおけるモータケース・磁石の一体組付体及びその製造方法
NL1037352C2 (en) * 2009-10-05 2011-04-06 Aeronamic B V Rotor assembly and electromotor with permanent magnets having reduced eddy current losses.
JP2011114893A (ja) * 2009-11-25 2011-06-09 Seiko Epson Corp 電気機械装置
JP5398512B2 (ja) * 2009-12-18 2014-01-29 株式会社日立製作所 アキシャルギャップ型永久磁石モータ、それに用いるロータ、及びそのロータの製造方法
JP4965688B2 (ja) * 2010-04-28 2012-07-04 三菱電機株式会社 永久磁石形同期モータ
CN102611256B (zh) * 2011-01-24 2014-10-22 胡景威 一种无铁芯的微型无刷直流电机的生产工艺
JP5609689B2 (ja) 2011-02-08 2014-10-22 株式会社安川電機 回転電機
CN103460569B (zh) * 2011-03-30 2015-09-30 松下电器产业株式会社 粘结磁体转子和其制造方法及具有该粘结磁体转子的马达
JP2013110225A (ja) * 2011-11-18 2013-06-06 Sumitomo Electric Ind Ltd 磁性部材及びその製造方法
JP5929146B2 (ja) * 2011-12-07 2016-06-01 マツダ株式会社 回転電機のロータ及びその製造方法
CN104094368A (zh) * 2012-01-30 2014-10-08 三菱电机株式会社 磁路
CN102790458A (zh) * 2012-03-05 2012-11-21 珠海格力节能环保制冷技术研究中心有限公司 永磁辅助同步磁阻电机转子及其制造方法和电机
EP2869440B1 (en) * 2012-07-02 2017-02-01 Nissan Motor Co., Ltd. Apparatus and method for manufacturing magnet segments constituting field pole magnetic body
WO2014055221A2 (en) * 2012-10-01 2014-04-10 Abb Research Ltd. Electrical machine rotors
EP2725688B1 (de) 2012-10-26 2017-01-18 Grundfos Holding A/S Rotor für einen Elektromotor
KR101591048B1 (ko) * 2014-01-23 2016-02-02 엘지이노텍 주식회사 모터용 로터와 이를 포함하는 모터 및 로터의 제조방법
EP2991195A1 (de) * 2014-09-01 2016-03-02 Siemens Aktiengesellschaft Permanenterregte dynamoelektrische Maschine
DE102015203908A1 (de) * 2015-03-05 2016-09-08 Arburg Gmbh + Co. Kg Rotor für einen Elektromotor sowie zugehörige Motorwelle
US10518624B2 (en) 2017-06-15 2019-12-31 Ford Global Technologies, Llc Motor having non-rectangular rotor magnets
EP3451498A1 (de) * 2017-08-30 2019-03-06 Lakeview Innovation Ltd. Mehrpoliger rotor mit brotlaibförmigen permanentmagneten
CN109419390B (zh) * 2017-08-31 2022-03-01 佛山市顺德区美的电热电器制造有限公司 搅拌刀具组件、驱动磁盘组件与食物处理机
CN108768104B (zh) * 2018-04-08 2023-09-19 浙江禾川科技股份有限公司 一种在电机轴上贴环形磁铁的装置
CN109385577B (zh) * 2018-05-14 2024-07-02 滨州学院 一种制备永磁材料的工艺及永磁电机
FR3096844B1 (fr) * 2019-06-03 2021-06-25 Valeo Equip Electr Moteur Machine electrique tournante munie d'une chambre de refroidissement
CN110460211B (zh) * 2019-07-16 2022-02-15 宁波韵升粘结磁体有限公司 一种用于制造各向异性注塑永磁体的模具
JP7459568B2 (ja) * 2020-03-05 2024-04-02 セイコーエプソン株式会社 絶縁物被覆軟磁性粉末、圧粉磁心、磁性素子、電子機器、および移動体
DE102022104731A1 (de) * 2022-02-28 2023-08-31 Ziehl-Abegg Se Elektromotor und zugehörige Verwendung

Family Cites Families (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4178234A (en) * 1978-07-20 1979-12-11 Bobo Roy A Rotating cyclone centrifuge apparatus
JPS6285413A (ja) * 1985-10-11 1987-04-18 Hitachi Ltd 強磁性多層膜及びその製造法
JPH0750975B2 (ja) * 1990-06-28 1995-05-31 科学技術庁航空宇宙技術研究所長 コアレスアマチュアコイルの製造方法及び該コイルを用いたブラシレス・コアレスモータ
US5221503A (en) * 1991-10-28 1993-06-22 General Motors Corporation Method for manufacturing a dynamoelectric device
US5898253A (en) * 1993-11-18 1999-04-27 General Motors Corporation Grain oriented composite soft magnetic structure
JPH08214498A (ja) 1995-02-02 1996-08-20 Nakagawa Electric Ind Co Ltd ギヤードモータ
US5710474A (en) * 1995-06-26 1998-01-20 Cleveland Machine Controls Brushless DC motor
US5982073A (en) * 1997-12-16 1999-11-09 Materials Innovation, Inc. Low core loss, well-bonded soft magnetic parts
US6111332A (en) * 1998-02-03 2000-08-29 The Regents Of The University Of California Combined passive bearing element/generator motor
US6511552B1 (en) 1998-03-23 2003-01-28 Sumitomo Special Metals Co., Ltd. Permanent magnets and R-TM-B based permanent magnets
US6218757B1 (en) * 1998-11-30 2001-04-17 General Electric Canada Inc Minimizing shaft currents in dynamoelectric machines
JP2002354721A (ja) * 2001-05-29 2002-12-06 Hitachi Ltd 永久磁石式回転子を備えた回転電機
KR100853089B1 (ko) * 2001-07-10 2008-08-19 신에쓰 가가꾸 고교 가부시끼가이샤 희토류 자석 스크랩 및/또는 슬러지의 재용해 방법 및자석용 합금 및 희토류 소결 자석
JP4874474B2 (ja) * 2001-08-23 2012-02-15 日本電産コパル株式会社 ステッピングモータ
US6657344B2 (en) * 2001-09-05 2003-12-02 The Regents Of The University Of California Passive magnetic bearing for a horizontal shaft
JP2003092860A (ja) * 2001-09-19 2003-03-28 Toyoda Mach Works Ltd 埋込磁石型モータ及びその製造方法
JP2003102135A (ja) * 2001-09-21 2003-04-04 Yaskawa Electric Corp ギャップワインディングモータ
US6655004B2 (en) 2001-10-03 2003-12-02 Delphi Technologies, Inc. Method of making a powder metal rotor for a surface
JP2003199274A (ja) * 2001-12-25 2003-07-11 Hitachi Ltd 回転子とその製造法及び回転機
JP2003282312A (ja) * 2002-03-22 2003-10-03 Inter Metallics Kk 着磁性が改善されたR−Fe−(B,C)系焼結磁石およびその製造方法
US6889419B2 (en) 2002-04-16 2005-05-10 Delphi Technologies, Inc. Method of making a composite electric machine component of a desired magnetic pattern
JP4075441B2 (ja) 2002-04-18 2008-04-16 トヨタ自動車株式会社 電動機ロータの製造方法
JP4310611B2 (ja) 2002-06-06 2009-08-12 株式会社安川電機 永久磁石形モータ
JP4235792B2 (ja) 2002-07-18 2009-03-11 株式会社安川電機 ギャップワインディングモータ
JP2004350427A (ja) * 2003-05-22 2004-12-09 Denso Corp 回転電機とその回転子
JP2005020991A (ja) * 2003-06-04 2005-01-20 Hitachi Metals Ltd 回転子およびその製造方法
US20050001499A1 (en) * 2003-07-01 2005-01-06 Litton Systems, Inc. Permanent magnet rotor for brushless D.C. motor
JP2005093730A (ja) * 2003-09-17 2005-04-07 Daido Steel Co Ltd 異方性磁石、その製造方法、およびこれを用いたモータ
JP4112468B2 (ja) * 2003-10-02 2008-07-02 本田技研工業株式会社 回転軸
JP4376586B2 (ja) * 2003-10-10 2009-12-02 トヨタ自動車株式会社 電動機
KR100516512B1 (ko) * 2003-10-15 2005-09-26 자화전자 주식회사 본드자석용 마이크로 결정구조의 고보자력 자석분말제조방법 및 이에 의해 제조된 자석분말
JP4525425B2 (ja) * 2005-03-31 2010-08-18 株式会社日立製作所 フッ化物コート膜形成処理液,フッ化物コート膜形成方法及び磁石

Also Published As

Publication number Publication date
CN1881754B (zh) 2010-12-08
US7906881B2 (en) 2011-03-15
EP1722457A3 (en) 2007-08-22
EP1722457A2 (en) 2006-11-15
CN1881754A (zh) 2006-12-20
JP2006320036A (ja) 2006-11-24
US20060255894A1 (en) 2006-11-16

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