JP4422953B2 - 永久磁石の製造方法 - Google Patents

永久磁石の製造方法 Download PDF

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Publication number
JP4422953B2
JP4422953B2 JP2002241295A JP2002241295A JP4422953B2 JP 4422953 B2 JP4422953 B2 JP 4422953B2 JP 2002241295 A JP2002241295 A JP 2002241295A JP 2002241295 A JP2002241295 A JP 2002241295A JP 4422953 B2 JP4422953 B2 JP 4422953B2
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JP
Japan
Prior art keywords
antiferromagnetic
hard magnetic
powder
phase
magnetic
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
JP2002241295A
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English (en)
Japanese (ja)
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JP2004079922A (ja
JP2004079922A5 (enExample
Inventor
又洋 小室
勝博 小室
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
Original Assignee
Hitachi 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 filed Critical Hitachi Ltd
Priority to JP2002241295A priority Critical patent/JP4422953B2/ja
Priority to CNB031066046A priority patent/CN100346427C/zh
Priority to CN200710162491XA priority patent/CN101183594B/zh
Priority to DE10310572A priority patent/DE10310572B4/de
Priority to US10/390,701 priority patent/US7064642B2/en
Publication of JP2004079922A publication Critical patent/JP2004079922A/ja
Publication of JP2004079922A5 publication Critical patent/JP2004079922A5/ja
Priority to US11/430,018 priority patent/US7399368B2/en
Application granted granted Critical
Publication of JP4422953B2 publication Critical patent/JP4422953B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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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)
JP2002241295A 2002-08-22 2002-08-22 永久磁石の製造方法 Expired - Fee Related JP4422953B2 (ja)

Priority Applications (6)

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
CNB031066046A CN100346427C (zh) 2002-08-22 2003-02-26 磁铁和采用该磁铁的电机
CN200710162491XA CN101183594B (zh) 2002-08-22 2003-02-26 磁铁和采用该磁铁的电机
DE10310572A DE10310572B4 (de) 2002-08-22 2003-03-11 Permanentmagnet, Verfahren zu seiner Herstellung, Rotor und Motor
US10/390,701 US7064642B2 (en) 2002-08-22 2003-03-19 Motor using magnet
US11/430,018 US7399368B2 (en) 2002-08-22 2006-05-09 Motor using magnet

Applications Claiming Priority (1)

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

Publications (3)

Publication Number Publication Date
JP2004079922A JP2004079922A (ja) 2004-03-11
JP2004079922A5 JP2004079922A5 (enExample) 2005-02-17
JP4422953B2 true JP4422953B2 (ja) 2010-03-03

Family

ID=31712229

Family Applications (1)

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

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

Family Cites Families (19)

* Cited by examiner, † Cited by third party
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
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
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

Also Published As

Publication number Publication date
CN100346427C (zh) 2007-10-31
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

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