CN100346427C - 磁铁和采用该磁铁的电机 - Google Patents

磁铁和采用该磁铁的电机 Download PDF

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Publication number
CN100346427C
CN100346427C CNB031066046A CN03106604A CN100346427C CN 100346427 C CN100346427 C CN 100346427C CN B031066046 A CNB031066046 A CN B031066046A CN 03106604 A CN03106604 A CN 03106604A CN 100346427 C CN100346427 C CN 100346427C
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CN
China
Prior art keywords
antiferromagnetic materials
powder
aforementioned
permanent magnet
magnetic material
Prior art date
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Expired - Fee Related
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CNB031066046A
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English (en)
Chinese (zh)
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CN1477654A (zh
Inventor
小室又洋
小室胜博
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Hitachi Ltd
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Hitachi Ltd
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Publication date
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Publication of CN1477654A publication Critical patent/CN1477654A/zh
Application granted granted Critical
Publication of CN100346427C publication Critical patent/CN100346427C/zh
Anticipated expiration legal-status Critical
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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/02—Details of the magnetic circuit characterised by the magnetic material
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/0009—Antiferromagnetic materials, i.e. materials exhibiting a Néel transition temperature
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/032—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials
    • H01F1/04—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials metals or alloys
    • H01F1/06—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials metals or alloys in the form of particles, e.g. powder
    • H01F1/08—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together
    • H01F1/086—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together sintered
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
    • H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
    • H01F41/0253—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing permanent magnets
    • H01F41/0273—Imparting anisotropy

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Hard Magnetic Materials (AREA)
  • Powder Metallurgy (AREA)
  • Iron Core Of Rotating Electric Machines (AREA)
  • Permanent Field Magnets Of Synchronous Machinery (AREA)
CNB031066046A 2002-08-22 2003-02-26 磁铁和采用该磁铁的电机 Expired - Fee Related CN100346427C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2002241295A JP4422953B2 (ja) 2002-08-22 2002-08-22 永久磁石の製造方法
JP241295/2002 2002-08-22

Related Child Applications (1)

Application Number Title Priority Date Filing Date
CN200710162491XA Division CN101183594B (zh) 2002-08-22 2003-02-26 磁铁和采用该磁铁的电机

Publications (2)

Publication Number Publication Date
CN1477654A CN1477654A (zh) 2004-02-25
CN100346427C true CN100346427C (zh) 2007-10-31

Family

ID=31712229

Family Applications (2)

Application Number Title Priority Date Filing Date
CNB031066046A Expired - Fee Related CN100346427C (zh) 2002-08-22 2003-02-26 磁铁和采用该磁铁的电机
CN200710162491XA Expired - Fee Related CN101183594B (zh) 2002-08-22 2003-02-26 磁铁和采用该磁铁的电机

Family Applications After (1)

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CN200710162491XA Expired - Fee Related CN101183594B (zh) 2002-08-22 2003-02-26 磁铁和采用该磁铁的电机

Country Status (4)

Country Link
US (2) US7064642B2 (enExample)
JP (1) JP4422953B2 (enExample)
CN (2) CN100346427C (enExample)
DE (1) DE10310572B4 (enExample)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4422953B2 (ja) * 2002-08-22 2010-03-03 株式会社日立製作所 永久磁石の製造方法
US7365623B2 (en) * 2005-06-10 2008-04-29 Beijing Taijie Yanyuan Medical Engineering Technical Co., Ltd. Permanent magnet, magnetic device for use in MRI including the same, and manufacturing processes thereof
WO2009016815A1 (ja) 2007-07-27 2009-02-05 Hitachi Metals, Ltd. Ｒ－Ｆｅ－Ｂ系希土類焼結磁石
US20100253169A1 (en) * 2009-04-01 2010-10-07 General Electric Company Electric machine
US8222787B2 (en) * 2009-04-01 2012-07-17 General Electric Company Electric machine
JP5186036B2 (ja) * 2011-03-31 2013-04-17 日新製鋼株式会社 Ｉｐｍモータの回転子及びそれを用いたｉｐｍモータ
KR101189107B1 (ko) * 2011-04-01 2012-10-10 조선대학교산학협력단 Ｂｌｄｃ 모터의 로터
JP6115057B2 (ja) * 2012-09-18 2017-04-19 Tdk株式会社 コイル部品
KR101405802B1 (ko) * 2012-12-12 2014-06-12 현대자동차주식회사 온도분포를 고려한 구동모터의 회전자 영구자석 장치
JP6255977B2 (ja) * 2013-03-28 2018-01-10 Tdk株式会社 希土類磁石
JP6446817B2 (ja) * 2014-04-11 2019-01-09 株式会社Ihi ナノコンポジット磁石の製造方法
EP3366554B1 (de) 2017-02-25 2019-10-16 Urs Gretsch Aufhängevorrichtung für transportgeräte
JP6841130B2 (ja) * 2017-03-30 2021-03-10 Tdk株式会社 モータ
JP6714652B2 (ja) * 2018-07-30 2020-06-24 本田技研工業株式会社 回転電機及び回転電機を備える車両
CN110714997B (zh) * 2019-09-20 2020-12-11 东南大学 一种集成磁流体刹车的轮电机驱动器
CN112564436A (zh) * 2020-11-26 2021-03-26 浙江英洛华磁业有限公司 一种制造转子组件的方法
CN112737241A (zh) * 2020-12-18 2021-04-30 浙江英洛华磁业有限公司 一种制造转子组件的方法
DE102022115198A1 (de) 2022-06-17 2023-12-28 Ford Global Technologies, Llc Verfahren zum Herstellen eines Rotorelements für einen Rotor einer elektrischen Maschine, Rotorelement, Rotor, elektrische Maschine und Kraftfahrzeug

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05315120A (ja) * 1992-05-08 1993-11-26 Seiko Epson Corp 希土類焼結磁石およびその製造方法
JPH05315119A (ja) * 1992-05-08 1993-11-26 Seiko Epson Corp 希土類永久磁石およびその製造方法

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Publication number Priority date Publication date Assignee Title
FR1168240A (fr) * 1955-12-22 1958-12-05 Thomson Houston Comp Francaise Nouveau matériau magnétique et sa préparation
US3560200A (en) * 1968-04-01 1971-02-02 Bell Telephone Labor Inc Permanent magnetic materials
JPS5599703A (en) * 1979-01-26 1980-07-30 Matsushita Electric Ind Co Ltd Preparation of anisotropic resin magnet
JPS6163530A (ja) * 1984-09-03 1986-04-01 Toyo Kohan Co Ltd 硬質磁性材料の製造法
JPS61124553A (ja) * 1984-11-19 1986-06-12 Seiko Instr & Electronics Ltd 永久磁石用合金
DE69031250T2 (de) * 1989-06-09 1997-12-04 Matsushita Electric Ind Co Ltd Magnetisches Material
FI930169A7 (fi) * 1990-07-16 1993-01-15 Aura Systems Inc Magnetiskt material
JPH07211566A (ja) * 1994-01-17 1995-08-11 Isuzu Motors Ltd 異方性磁石の製造方法
JP3598171B2 (ja) * 1995-12-27 2004-12-08 株式会社Ｎｅｏｍａｘ 交換スプリング磁石およびその製造方法
JP2002358616A (ja) * 2000-06-12 2002-12-13 Toshiba Corp 磁気記録媒体および磁気記録装置
JP2002014407A (ja) * 2000-06-29 2002-01-18 Konica Corp カメラの写し込み装置
AU2001275775A1 (en) * 2000-08-03 2002-02-18 Sanei Kasei Co., Limited Nanocomposite permanent magnet
JP2002064009A (ja) * 2000-08-22 2002-02-28 Sumitomo Special Metals Co Ltd 鉄基希土類合金磁石およびその製造方法
JP2002124407A (ja) 2000-10-16 2002-04-26 Hitachi Metals Ltd 異方性希土類焼結磁石及びその製造方法
US20030195633A1 (en) * 2001-05-04 2003-10-16 Hyde Edward R. Magnetic array implant and prosthesis insert
JP2003016620A (ja) * 2001-06-29 2003-01-17 Toshiba Corp 磁気記録媒体、磁気記録装置および磁気記録方法
JP4422953B2 (ja) * 2002-08-22 2010-03-03 株式会社日立製作所 永久磁石の製造方法

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05315120A (ja) * 1992-05-08 1993-11-26 Seiko Epson Corp 希土類焼結磁石およびその製造方法
JPH05315119A (ja) * 1992-05-08 1993-11-26 Seiko Epson Corp 希土類永久磁石およびその製造方法

Also Published As

Publication number Publication date
US7399368B2 (en) 2008-07-15
DE10310572B4 (de) 2008-04-10
CN101183594B (zh) 2012-07-11
JP2004079922A (ja) 2004-03-11
US20040036566A1 (en) 2004-02-26
US7064642B2 (en) 2006-06-20
CN1477654A (zh) 2004-02-25
US20060238282A1 (en) 2006-10-26
CN101183594A (zh) 2008-05-21
DE10310572A1 (de) 2004-03-11
JP4422953B2 (ja) 2010-03-03

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Granted publication date: 20071031

Termination date: 20170226