DE69312825T2 - Radial anisotropische, zylindrische magnete vom ferrite-typ, deren herstellungsmethoden und motoren - Google Patents

Radial anisotropische, zylindrische magnete vom ferrite-typ, deren herstellungsmethoden und motoren

Info

Publication number
DE69312825T2
DE69312825T2 DE69312825T DE69312825T DE69312825T2 DE 69312825 T2 DE69312825 T2 DE 69312825T2 DE 69312825 T DE69312825 T DE 69312825T DE 69312825 T DE69312825 T DE 69312825T DE 69312825 T2 DE69312825 T2 DE 69312825T2
Authority
DE
Germany
Prior art keywords
anisotropical
motors
radial
production methods
cylindrical magnets
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
DE69312825T
Other languages
English (en)
Other versions
DE69312825D1 (de
Inventor
Takehisa Sakaguchi
Takahiro Sunaga
Jun Hoshijima
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 Metals Ltd
Original Assignee
Sumitomo Special Metals 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
Priority claimed from JP4093688A external-priority patent/JP2791337B2/ja
Priority claimed from JP04262960A external-priority patent/JP3143632B2/ja
Application filed by Sumitomo Special Metals Co Ltd filed Critical Sumitomo Special Metals Co Ltd
Application granted granted Critical
Publication of DE69312825D1 publication Critical patent/DE69312825D1/de
Publication of DE69312825T2 publication Critical patent/DE69312825T2/de
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
    • H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
    • H02K15/02—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
    • H02K15/03—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies having permanent magnets
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/26—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on ferrites
    • C04B35/2658—Other ferrites containing manganese or zinc, e.g. Mn-Zn ferrites
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/26—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on ferrites
    • C04B35/2683—Other ferrites containing alkaline earth metals or lead
    • 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
    • H02K1/12—Stationary parts of the magnetic circuit
    • H02K1/17—Stator cores with permanent magnets
    • 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
    • H02K1/2726—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of a single magnet or two or more axially juxtaposed single magnets
    • 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
    • H02K1/2726—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of a single magnet or two or more axially juxtaposed single magnets
    • H02K1/2733—Annular magnets

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Power Engineering (AREA)
  • Ceramic Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Permanent Field Magnets Of Synchronous Machinery (AREA)
DE69312825T 1992-03-18 1993-03-17 Radial anisotropische, zylindrische magnete vom ferrite-typ, deren herstellungsmethoden und motoren Expired - Lifetime DE69312825T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP4093688A JP2791337B2 (ja) 1992-03-18 1992-03-18 ラジアル異方性円筒状フェライト磁石とその製造方法
JP04262960A JP3143632B2 (ja) 1992-09-03 1992-09-03 モーター
PCT/JP1993/000319 WO1993019020A1 (en) 1992-03-18 1993-03-17 Radial anisotropic cylinder type ferrite magnets and their manufacturing methods and motors

Publications (2)

Publication Number Publication Date
DE69312825D1 DE69312825D1 (de) 1997-09-11
DE69312825T2 true DE69312825T2 (de) 1998-01-29

Family

ID=26434990

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69312825T Expired - Lifetime DE69312825T2 (de) 1992-03-18 1993-03-17 Radial anisotropische, zylindrische magnete vom ferrite-typ, deren herstellungsmethoden und motoren

Country Status (7)

Country Link
US (1) US5506557A (de)
EP (1) EP0586710B1 (de)
KR (1) KR970001257B1 (de)
CN (1) CN1062970C (de)
DE (1) DE69312825T2 (de)
TW (1) TW304005U (de)
WO (1) WO1993019020A1 (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5920139A (en) * 1996-03-31 1999-07-06 Sanyo Electric Co. Ltd. Magnet motor stator
JP4089072B2 (ja) * 1998-10-23 2008-05-21 三菱電機株式会社 永久磁石埋込み形モータ
DE60014780T2 (de) * 1999-06-30 2005-03-10 Shin-Etsu Chemical Co., Ltd. Auf seltenen Erden basierender gesinterter Dauermagnet und mit einem solchen Magnet versehener Synchronmotor
JP2002010606A (ja) * 2000-06-20 2002-01-11 Honda Motor Co Ltd アウターロータ型ブラシレス直流モータ
KR20030035852A (ko) * 2001-10-31 2003-05-09 신에쓰 가가꾸 고교 가부시끼가이샤 방사상 이방성 소결 자석 및 그의 제조 방법, 및 자석회전자 및 모터
US7084548B1 (en) * 2003-07-11 2006-08-01 Gabrys Christopher W Low cost high speed electrical machine
CN100418287C (zh) * 2005-06-10 2008-09-10 富准精密工业(深圳)有限公司 马达定子
US8013696B2 (en) * 2008-10-14 2011-09-06 Nexteer (Beijing) Technology Co., Ltd. Magnetic apparatus and method of manufacturing the magnetic apparatus
DE102013202190A1 (de) * 2013-02-11 2014-08-14 Robert Bosch Gmbh Seltenerd- Ringmagnet mit einem Mittel zur Aufnahme von Fremdpartikeln
JP6502085B2 (ja) * 2014-12-19 2019-04-17 Ntn株式会社 圧粉体及びその製造方法
CN105529853A (zh) * 2016-02-24 2016-04-27 珠海格力节能环保制冷技术研究中心有限公司 转子壳及外转子电机
US10727711B2 (en) 2016-07-27 2020-07-28 Ihi Corporation Motor rotor, supercharger, and method of manufacturing motor rotor
US20220293318A1 (en) * 2019-08-12 2022-09-15 Bomatec Management Ag Permanent magnet for use in an electric machine with one or more grooves

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2075542A5 (en) * 1971-01-14 1971-10-08 Norton Co Refractory plates - for supporting ceramic workpieces during firing
NL7313231A (nl) * 1973-09-26 1975-04-01 Philips Nv Radiaal anisotroop magneetlichaam.
US4211195A (en) * 1977-10-12 1980-07-08 Colt Industries Operating Corp. Overspeed ignition system
DE3521037A1 (de) * 1985-06-12 1986-12-18 Bosch Gmbh Robert Kommutatormaschine, insbesondere kleinmotor fuer kraftfahrzeuge
JPH0681437B2 (ja) * 1987-05-19 1994-10-12 三菱電機株式会社 磁石発電機
JPH01176277A (ja) * 1987-12-28 1989-07-12 Kyocera Corp セラミック管状体の製造方法
US5093595A (en) * 1989-12-15 1992-03-03 Magnetic Peripherals Inc. Spindle motor having reduced torque ripple
US4992768A (en) * 1990-05-15 1991-02-12 Power Magnets, U.S.A. Cow magnet
EP0472191A3 (en) * 1990-08-21 1992-10-21 Vereinigte Aluminium-Werke Aktiengesellschaft Ceramic shaped article and process for the production thereof

Also Published As

Publication number Publication date
CN1062970C (zh) 2001-03-07
CN1083619A (zh) 1994-03-09
DE69312825D1 (de) 1997-09-11
US5506557A (en) 1996-04-09
EP0586710B1 (de) 1997-08-06
KR970001257B1 (ko) 1997-02-04
WO1993019020A1 (en) 1993-09-30
TW304005U (en) 1997-04-21
EP0586710A1 (de) 1994-03-16

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Legal Events

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8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Representative=s name: FEDER WALTER EBERT PATENTANWAELTE, 40237 DUESSELDO