DE3902480C2 - - Google Patents

Info

Publication number
DE3902480C2
DE3902480C2 DE3902480A DE3902480A DE3902480C2 DE 3902480 C2 DE3902480 C2 DE 3902480C2 DE 3902480 A DE3902480 A DE 3902480A DE 3902480 A DE3902480 A DE 3902480A DE 3902480 C2 DE3902480 C2 DE 3902480C2
Authority
DE
Germany
Prior art keywords
solution
magnet
zinc phosphate
seconds
adhesive layer
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
DE3902480A
Other languages
German (de)
English (en)
Other versions
DE3902480A1 (de
Inventor
Gavin G. Blacksburg Va. Us Hassell
Kevin E. Christiansburg Va. Us Layne
John H. Radford Va. Us Mabie
Daniel H. Christiansburg Va. Us Snuffer
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.)
Kollmorgen Corp
Original Assignee
Kollmorgen Corp
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 Kollmorgen Corp filed Critical Kollmorgen Corp
Publication of DE3902480A1 publication Critical patent/DE3902480A1/de
Application granted granted Critical
Publication of DE3902480C2 publication Critical patent/DE3902480C2/de
Granted legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F41/00Apparatus 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
    • H01F41/02Apparatus 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
    • H01F41/0253Apparatus 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
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F41/00Apparatus 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
    • H01F41/02Apparatus 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
    • H01F41/0253Apparatus 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
    • H01F41/026Apparatus 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 protecting methods against environmental influences, e.g. oxygen, by surface treatment
    • 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
    • H02K1/12Stationary parts of the magnetic circuit
    • H02K1/17Stator cores with permanent 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
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00Metal working
    • Y10T29/49Method of mechanical manufacture
    • Y10T29/49002Electrical device making
    • Y10T29/49009Dynamoelectric machine

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Environmental & Geological Engineering (AREA)
  • Manufacturing Cores, Coils, And Magnets (AREA)
  • Permanent Field Magnets Of Synchronous Machinery (AREA)
  • Hard Magnetic Materials (AREA)
DE3902480A 1988-01-29 1989-01-27 Neodym-bor-eisen-magnetfeldbauteil und verfahren zu dessen herstellung Granted DE3902480A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US14972888A 1988-01-29 1988-01-29
US07/295,371 US4935080A (en) 1988-01-29 1989-01-11 Protection and bonding of neodymium-boron-iron magnets used in the formation of magnet assemblies

Publications (2)

Publication Number Publication Date
DE3902480A1 DE3902480A1 (de) 1989-09-07
DE3902480C2 true DE3902480C2 (enExample) 1991-10-17

Family

ID=26846977

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3902480A Granted DE3902480A1 (de) 1988-01-29 1989-01-27 Neodym-bor-eisen-magnetfeldbauteil und verfahren zu dessen herstellung

Country Status (6)

Country Link
US (1) US4935080A (enExample)
EP (1) EP0326088A3 (enExample)
JP (1) JPH025401A (enExample)
AU (1) AU610685B2 (enExample)
DE (1) DE3902480A1 (enExample)
GB (1) GB2227375B (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006019614A1 (de) * 2006-04-25 2007-11-08 Vacuumschmelze Gmbh & Co. Kg Alterungsbeständiger Dauermagnet aus einem Legierungspulver und Verfahren zu seiner Herstellung

Families Citing this family (60)

* Cited by examiner, † Cited by third party
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US4935080A (en) * 1988-01-29 1990-06-19 Kollmorgen Corporation Protection and bonding of neodymium-boron-iron magnets used in the formation of magnet assemblies
JPH0753392Y2 (ja) * 1989-08-07 1995-12-06 株式会社三ツ葉電機製作所 磁石発電機の回転子
WO1991012648A1 (fr) * 1990-02-13 1991-08-22 Hitachi Metals, Ltd. Moteur lineaire a courant continu
WO1992007407A1 (en) * 1990-10-12 1992-04-30 Seiko Epson Corporation Rotor of brushless motor and its manufacturing method
JPH05166618A (ja) * 1991-12-17 1993-07-02 Hitachi Metals Ltd 永久磁石
US5200071A (en) * 1992-01-09 1993-04-06 Quantum Systems International, Inc. Translating magnetic field treatment device
DE4311398C2 (de) * 1993-04-07 2000-12-28 Kobold Klaus Flügelrad für Durchflußmesser
DE4337934A1 (de) * 1993-11-06 1995-05-18 Magnetbahn Gmbh Befestigung von Permanentmagneten auf Magnetträgern und Verfahren zu deren Ausführung
US5926925A (en) * 1994-01-06 1999-07-27 Hicks; Joel R. Magnetic sock holder
CA2140950A1 (en) * 1994-02-22 1995-08-23 Hung T. Du Electric motor having permanent magnet brake
JPH08154351A (ja) * 1994-11-29 1996-06-11 Daido Steel Co Ltd マグネットロータ
US5735777A (en) * 1994-12-08 1998-04-07 Kenneth J. Benoit Adaptive weight device
JP3207716B2 (ja) * 1994-12-22 2001-09-10 株式会社不二工機 温度膨張弁
US5619389A (en) * 1995-02-10 1997-04-08 Seagate Technology, Inc. Stator isolation for spindle motor
US5910335A (en) * 1995-05-09 1999-06-08 Daido Tokushuko Kabushiki Kaisha Product bonded with resin paint and the process of bonding
DE19608731A1 (de) * 1996-03-06 1997-09-11 Vacuumschmelze Gmbh Verfahren zur Verbesserung des Korrosionsschutzes von aluminiumbeschichteten Oberflächen
JPH1089809A (ja) * 1996-09-18 1998-04-10 Fuji Koki:Kk 膨張弁
US5966271A (en) * 1997-04-30 1999-10-12 Seagate Technology, Inc. Apparatus for assembling a magnet and backiron for a voice coil motor
JPH10327549A (ja) * 1997-05-26 1998-12-08 Sankyo Seiki Mfg Co Ltd スピンドルモータ
DE19751710A1 (de) * 1997-11-21 1999-05-27 Leybold Systems Gmbh Magnetkörper mit Korrosionsschutzbeschichtung
US6352543B1 (en) * 2000-04-29 2002-03-05 Ventrica, Inc. Methods for forming anastomoses using magnetic force
RU2137087C1 (ru) * 1998-02-23 1999-09-10 Государственное научно-производственное предприятие "Прибор" Поражающий элемент кассетного боеприпаса
DE19820033C2 (de) * 1998-05-05 2001-12-13 Vacuumschmelze Gmbh Klebeverfahren zur Herstellung von Dauermagneten
DE19832299B4 (de) 1998-07-17 2004-07-29 Vacuumschmelze Gmbh Verfahren zur Verbesserung des Korrosionsschutzes von Seltenerddauermagneten
US6104570A (en) * 1998-09-18 2000-08-15 Seagate Technology, Inc. Disc drive spindle motor having tuned stator with adhesive grooves
DE69928363T2 (de) 1998-12-25 2006-06-01 Matsushita Electric Industrial Co., Ltd., Kadoma Motor mit im Rotor eingebetteten geteilten Dauermagneten
DE19912470B4 (de) 1999-03-19 2005-06-02 Vacuumschmelze Gmbh Verbundteil und Verfahren zu dessen Herstellung
DE29923515U1 (de) 1999-08-03 2000-12-14 Siemens AG, 80333 München Demagnetisierungssicherer, permanenterregter Schiffsantrieb
US6281774B1 (en) * 1999-09-10 2001-08-28 Sumitomo Special Metals Co., Ltd. Corrosion-resistant permanent magnet and method for producing the same
US8518062B2 (en) 2000-04-29 2013-08-27 Medtronic, Inc. Devices and methods for forming magnetic anastomoses between vessels
US20050080439A1 (en) * 2000-04-29 2005-04-14 Carson Dean F. Devices and methods for forming magnetic anastomoses and ports in vessels
US7232449B2 (en) * 2000-04-29 2007-06-19 Medtronic, Inc. Components, systems and methods for forming anastomoses using magnetism or other coupling means
US6384498B1 (en) * 2000-05-22 2002-05-07 Tokyo Parts Industrial Co., Ltd. Compact vibration motor
DE10025458B4 (de) * 2000-05-23 2005-05-12 Vacuumschmelze Gmbh Magnet und Verfahren zu dessen Herstellung
WO2002013699A1 (en) * 2000-08-12 2002-02-21 Ventrica, Inc. Extravascular anastomotic components and methods for forming magnetic anastomoses
US7909837B2 (en) * 2000-12-13 2011-03-22 Medtronic, Inc. Methods, devices and systems for forming magnetic anastomoses
US20020143347A1 (en) * 2000-12-13 2002-10-03 Ventrica, Inc. Extravascular anastomotic components and methods for forming vascular anastomoses
FR2819120B1 (fr) * 2000-12-28 2003-02-28 Valeo Equip Electr Moteur Procede de fabrication d'un inducteur d'une machine electrique tournante
US7057323B2 (en) 2003-03-27 2006-06-06 Emerson Electric Co. Modular flux controllable permanent magnet dynamoelectric machine
JP2005204480A (ja) * 2004-01-19 2005-07-28 Mitsubishi Electric Corp 回転電機の回転子および回転電機
WO2005093766A1 (ja) * 2004-03-26 2005-10-06 Tdk Corporation 希土類磁石、その製造方法、及び多層体の製造方法
KR100568788B1 (ko) * 2004-07-27 2006-04-07 엘지전자 주식회사 스위치드 릴럭턴스 모터
DE102004058451B4 (de) * 2004-12-03 2008-04-10 Vacuumschmelze Gmbh & Co. Kg Verfahren zur Herstellung von Magnetsystemen und danach hergestellte Magnetsysteme
US20060234085A1 (en) * 2005-03-29 2006-10-19 Tdk Corporation Bonded magnet and process for its manufacture
DE102005032721B4 (de) * 2005-07-13 2007-06-06 Siemens Ag Blockmagnet mit Korrosionsschutz und Anwendung bei elektrischen Maschinen
DE102005046333B3 (de) * 2005-09-27 2006-10-19 Viega Gmbh & Co. Kg Presswerkzeug
US20070262668A1 (en) * 2006-05-11 2007-11-15 General Electric Company Magnetic Bearings, Armatures for Magnetic Bearings, and Methods for Assembling the Same
DE102007005770A1 (de) * 2006-12-29 2008-07-03 Robert Bosch Gmbh Motorische Antriebseinheit für eine Scheibenwischvorrichtung in einem Fahrzeug
US8525626B2 (en) * 2008-04-03 2013-09-03 Tait Towers Manufacturing Llc Interlocking magnetic coupling members
US7843295B2 (en) * 2008-04-04 2010-11-30 Cedar Ridge Research Llc Magnetically attachable and detachable panel system
DE102009027916A1 (de) * 2009-07-22 2011-01-27 Zf Friedrichshafen Ag Magnetpol und Magnetpolanordnung
DE102009028180A1 (de) * 2009-08-03 2011-02-10 Henkel Ag & Co. Kgaa Verfahren zum Befestigen eines Magneten auf oder in einem Rotor oder Stator
JP5630341B2 (ja) * 2010-06-18 2014-11-26 株式会社ジェイテクト 接着せん断強度の管理方法
DE102012203898A1 (de) * 2012-03-13 2013-09-19 Robert Bosch Gmbh Permanentmagnet, sowie elektrische Maschine beinhaltend einen solchen, sowie Verfahren zum Herstellen der elektrischen Maschine
KR20140067689A (ko) * 2012-11-27 2014-06-05 삼성전기주식회사 무접점 전력 전송 장치 및 그 제조 방법
US10574100B2 (en) * 2016-03-31 2020-02-25 Intel Corporation Magnetic circuits for MEMS devices
CN112975580B (zh) * 2021-02-04 2022-10-21 中国科学院宁波材料技术与工程研究所 一种钕铁硼永磁体的表面强化处理方法及其应用
CN113764150B (zh) * 2021-06-11 2023-01-10 烟台正海磁性材料股份有限公司 一种可膨胀烧结钕铁硼磁体及其制备方法和应用
CN115305474B (zh) * 2022-07-13 2023-09-26 宁波钢铁有限公司 无损去除钢铁表面防护涂层的清洗方法及应用
US20250096621A1 (en) * 2023-09-14 2025-03-20 Atieva, Inc. Electric motor with insulated permanent magnet

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US2774701A (en) * 1956-07-16 1956-12-18 Richard C Weiss Method of bonding rubber to metal and the resulting article
US4141137A (en) * 1977-10-25 1979-02-27 General Electric Company Method of making a permanent magnet field pole for a direct current dynamoelectric machine
JPS58103863A (ja) * 1981-12-10 1983-06-21 Mitsubishi Electric Corp 界磁装置の製造方法
JPS5895182U (ja) * 1981-12-22 1983-06-28 三菱電機株式会社 直流電動機
US4443934A (en) * 1982-10-04 1984-04-24 General Electric Company Method of assembling permanent magnet dc machines
US4748738A (en) * 1987-07-21 1988-06-07 Magnetic Peripherals Inc. High strength magnet-pole piece assembly tool
US4935080A (en) * 1988-01-29 1990-06-19 Kollmorgen Corporation Protection and bonding of neodymium-boron-iron magnets used in the formation of magnet assemblies

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006019614A1 (de) * 2006-04-25 2007-11-08 Vacuumschmelze Gmbh & Co. Kg Alterungsbeständiger Dauermagnet aus einem Legierungspulver und Verfahren zu seiner Herstellung
DE102006019614B4 (de) * 2006-04-25 2010-06-17 Vacuumschmelze Gmbh & Co. Kg Alterungsbeständiger Dauermagnet aus einem Legierungspulver und Verfahren zu seiner Herstellung
US8105443B2 (en) 2006-04-25 2012-01-31 Vacuumschmelze Gmbh & Co. Non-ageing permanent magnet from an alloy powder and method for the production thereof

Also Published As

Publication number Publication date
EP0326088A3 (en) 1990-09-19
DE3902480A1 (de) 1989-09-07
JPH025401A (ja) 1990-01-10
AU2882089A (en) 1989-08-03
AU610685B2 (en) 1991-05-23
GB2227375A (en) 1990-07-25
US4935080A (en) 1990-06-19
GB2227375B (en) 1993-02-24
GB8902419D0 (en) 1989-03-22
EP0326088A2 (en) 1989-08-02

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee