JP4764526B2 - 永久磁石およびその製造方法、モータ用永久磁石および永久磁石モータ - Google Patents

永久磁石およびその製造方法、モータ用永久磁石および永久磁石モータ Download PDF

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Publication number
JP4764526B2
JP4764526B2 JP2010514515A JP2010514515A JP4764526B2 JP 4764526 B2 JP4764526 B2 JP 4764526B2 JP 2010514515 A JP2010514515 A JP 2010514515A JP 2010514515 A JP2010514515 A JP 2010514515A JP 4764526 B2 JP4764526 B2 JP 4764526B2
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Prior art keywords
permanent magnet
koe
rare earth
phase
less
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JP2010514515A
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English (en)
Japanese (ja)
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JPWO2009145229A1 (ja
Inventor
孝雄 沢
勝彦 山田
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.)
Toshiba Corp
Toshiba Materials Co Ltd
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Toshiba Corp
Toshiba Materials Co Ltd
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Priority to JP2010514515A priority Critical patent/JP4764526B2/ja
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Publication of JPWO2009145229A1 publication Critical patent/JPWO2009145229A1/ja
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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
    • H01F1/01—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
    • H01F1/047—Alloys characterised by their composition
    • H01F1/053—Alloys characterised by their composition containing rare earth metals
    • H01F1/055—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5
    • 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
    • H01F41/0266—Moulding; Pressing
    • 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
    • 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
    • H01F41/028—Radial anisotropy

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Permanent Field Magnets Of Synchronous Machinery (AREA)
  • Hard Magnetic Materials (AREA)
  • Manufacturing Cores, Coils, And Magnets (AREA)
JP2010514515A 2008-05-30 2009-05-27 永久磁石およびその製造方法、モータ用永久磁石および永久磁石モータ Active JP4764526B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2010514515A JP4764526B2 (ja) 2008-05-30 2009-05-27 永久磁石およびその製造方法、モータ用永久磁石および永久磁石モータ

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2008142294 2008-05-30
JP2008142294 2008-05-30
PCT/JP2009/059713 WO2009145229A1 (fr) 2008-05-30 2009-05-27 Aimant permanent et son procédé de fabrication, aimant permanent pour moteur et moteur à aimants permanents
JP2010514515A JP4764526B2 (ja) 2008-05-30 2009-05-27 永久磁石およびその製造方法、モータ用永久磁石および永久磁石モータ

Publications (2)

Publication Number Publication Date
JP4764526B2 true JP4764526B2 (ja) 2011-09-07
JPWO2009145229A1 JPWO2009145229A1 (ja) 2011-10-13

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
JP2010514515A Active JP4764526B2 (ja) 2008-05-30 2009-05-27 永久磁石およびその製造方法、モータ用永久磁石および永久磁石モータ

Country Status (3)

Country Link
JP (1) JP4764526B2 (fr)
CN (1) CN102047536B (fr)
WO (1) WO2009145229A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9774234B2 (en) * 2010-03-30 2017-09-26 Kabushiki Kaisha Toshiba Permanent magnet and method for manufacturing the same, and motor and power generator using the same
US9774219B2 (en) 2009-08-06 2017-09-26 Kabushiki Kaisha Toshiba Permanent magnet, motor and electric generator
US11289959B2 (en) 2017-09-11 2022-03-29 Kabushiki Kaisha Toshiba Rotor and rotary electric machine

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5197669B2 (ja) * 2010-03-31 2013-05-15 株式会社東芝 永久磁石およびそれを用いたモータおよび発電機
JP5259668B2 (ja) * 2010-09-24 2013-08-07 株式会社東芝 永久磁石とその製造方法、およびそれを用いたモータと発電機
JP5504233B2 (ja) 2011-09-27 2014-05-28 株式会社東芝 永久磁石とその製造方法、およびそれを用いたモータおよび発電機
CN102436888A (zh) * 2011-12-21 2012-05-02 钢铁研究总院 一种铈基1:5永磁材料及制备方法
CN102543340B (zh) * 2011-12-30 2015-06-10 北矿磁材科技股份有限公司 一种高性能钐钴磁粉的制备方法
CN104115369B (zh) * 2012-05-28 2016-11-30 株式会社日立产机系统 复合转矩型旋转电机
JP6257890B2 (ja) * 2012-11-20 2018-01-10 株式会社東芝 永久磁石とそれを用いたモータおよび発電機
JP5558596B2 (ja) * 2013-02-04 2014-07-23 株式会社東芝 永久磁石およびそれを用いたモータおよび発電機
DE102013220452A1 (de) * 2013-10-10 2015-04-30 Volkswagen Aktiengesellschaft Verfahren zur Herstellung eines Permanentmagneten sowie Permanentmagnet und elektrische Maschine mit einem solchen
CN104700972A (zh) * 2013-12-06 2015-06-10 绥中鑫源科技有限公司 一种高性能低成本各向异性粘接磁粉及制备方法
WO2017061126A1 (fr) * 2015-10-08 2017-04-13 国立大学法人九州工業大学 Aimant permanent à base de terres rares et cobalt
CN105427987A (zh) * 2015-11-26 2016-03-23 宁波科星材料科技有限公司 SmCo磁体
CN105427984A (zh) * 2015-11-26 2016-03-23 宁波科星材料科技有限公司 高铁含量高性能SmCo磁体的加工工艺
CN105405554A (zh) * 2015-11-26 2016-03-16 宁波科星材料科技有限公司 高铁含量高性能SmCo磁体
CN105427986A (zh) * 2015-11-26 2016-03-23 宁波科星材料科技有限公司 高性能SmCo永磁体
CN105427985A (zh) * 2015-11-27 2016-03-23 宁波科星材料科技有限公司 一种高性能钐钴永磁材料及其制备方法
CN106531383B (zh) * 2016-11-08 2018-11-20 中国科学院宁波材料技术与工程研究所 钐钴合金材料、钐钴合金粉末及其制备方法及钐钴基磁体
CN106787516A (zh) * 2017-01-17 2017-05-31 江苏新日电动车股份有限公司 一种永磁电机转子的制造方法
CN108630371B (zh) * 2017-03-17 2020-03-27 有研稀土新材料股份有限公司 一种高热稳定性的稀土永磁材料、其制备方法及含有其的磁体
KR102077147B1 (ko) * 2017-09-29 2020-02-13 도요타 지도샤（주） 희토류 자석
GR20180100148A (el) * 2018-04-04 2019-11-28 Δημητριος Γεωργιου Νιαρχος Κραματα υψηλης εντροπιας σπανιων γαιων και κραματα μεταβατικων στοιχειων ως δομικα στοιχεια για τη συνθεση νεων μαγνητικων φασεων για μονιμους μαγνητες
JP7318567B2 (ja) * 2020-03-09 2023-08-01 トヨタ自動車株式会社 回転電機
CN111370191B (zh) * 2020-03-20 2022-05-31 杭州永磁集团有限公司 一种不含重稀土元素的低矫顽力温度系数高温用钐钴永磁材料及制备方法
WO2023241475A1 (fr) * 2022-06-14 2023-12-21 美的威灵电机技术（上海）有限公司 Ensemble rotor et moteur électrique

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08214478A (ja) * 1995-01-31 1996-08-20 Toshiba Corp 永久磁石界磁方式回転電機
JPH1070023A (ja) * 1996-08-28 1998-03-10 Tokin Corp 永久磁石とその製造方法
JP2002083707A (ja) * 2000-09-08 2002-03-22 Shin Etsu Chem Co Ltd 希土類焼結磁石の製造方法
WO2008018354A1 (fr) * 2006-08-11 2008-02-14 Kabushiki Kaisha Toshiba Rotor de dispositif électrique rotatif du type à aimants permanents

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7199690B2 (en) * 2003-03-27 2007-04-03 Tdk Corporation R-T-B system rare earth permanent magnet
JP2008047962A (ja) * 2006-08-10 2008-02-28 Sony Corp 情報処理装置、および情報処理方法、並びにコンピュータ・プログラム

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08214478A (ja) * 1995-01-31 1996-08-20 Toshiba Corp 永久磁石界磁方式回転電機
JPH1070023A (ja) * 1996-08-28 1998-03-10 Tokin Corp 永久磁石とその製造方法
JP2002083707A (ja) * 2000-09-08 2002-03-22 Shin Etsu Chem Co Ltd 希土類焼結磁石の製造方法
WO2008018354A1 (fr) * 2006-08-11 2008-02-14 Kabushiki Kaisha Toshiba Rotor de dispositif électrique rotatif du type à aimants permanents

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9774219B2 (en) 2009-08-06 2017-09-26 Kabushiki Kaisha Toshiba Permanent magnet, motor and electric generator
US9774234B2 (en) * 2010-03-30 2017-09-26 Kabushiki Kaisha Toshiba Permanent magnet and method for manufacturing the same, and motor and power generator using the same
US11289959B2 (en) 2017-09-11 2022-03-29 Kabushiki Kaisha Toshiba Rotor and rotary electric machine

Also Published As

Publication number Publication date
WO2009145229A1 (fr) 2009-12-03
CN102047536B (zh) 2013-11-20
JPWO2009145229A1 (ja) 2011-10-13
CN102047536A (zh) 2011-05-04

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