DE3902480A1 - Neodym-bor-eisen-magnetfeldbauteil und verfahren zu dessen herstellung - Google Patents
Neodym-bor-eisen-magnetfeldbauteil und verfahren zu dessen herstellungInfo
- Publication number
- DE3902480A1 DE3902480A1 DE3902480A DE3902480A DE3902480A1 DE 3902480 A1 DE3902480 A1 DE 3902480A1 DE 3902480 A DE3902480 A DE 3902480A DE 3902480 A DE3902480 A DE 3902480A DE 3902480 A1 DE3902480 A1 DE 3902480A1
- Authority
- DE
- Germany
- Prior art keywords
- magnet
- solution
- layer
- carrier
- zinc phosphate
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims description 27
- 238000004519 manufacturing process Methods 0.000 title claims description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title description 12
- 229910052742 iron Inorganic materials 0.000 title description 5
- 239000010410 layer Substances 0.000 claims description 37
- LRXTYHSAJDENHV-UHFFFAOYSA-H zinc phosphate Chemical compound [Zn+2].[Zn+2].[Zn+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O LRXTYHSAJDENHV-UHFFFAOYSA-H 0.000 claims description 34
- 229910000165 zinc phosphate Inorganic materials 0.000 claims description 34
- 239000000243 solution Substances 0.000 claims description 31
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 19
- 239000012790 adhesive layer Substances 0.000 claims description 15
- 238000005260 corrosion Methods 0.000 claims description 13
- 230000007797 corrosion Effects 0.000 claims description 13
- 239000004962 Polyamide-imide Substances 0.000 claims description 10
- QJVKUMXDEUEQLH-UHFFFAOYSA-N [B].[Fe].[Nd] Chemical compound [B].[Fe].[Nd] QJVKUMXDEUEQLH-UHFFFAOYSA-N 0.000 claims description 10
- 229920002312 polyamide-imide Polymers 0.000 claims description 10
- 229920005989 resin Polymers 0.000 claims description 9
- 239000011347 resin Substances 0.000 claims description 9
- 239000011241 protective layer Substances 0.000 claims description 7
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 6
- 230000002378 acidificating effect Effects 0.000 claims description 6
- KRVSOGSZCMJSLX-UHFFFAOYSA-L chromic acid Substances O[Cr](O)(=O)=O KRVSOGSZCMJSLX-UHFFFAOYSA-L 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 6
- AWJWCTOOIBYHON-UHFFFAOYSA-N furo[3,4-b]pyrazine-5,7-dione Chemical compound C1=CN=C2C(=O)OC(=O)C2=N1 AWJWCTOOIBYHON-UHFFFAOYSA-N 0.000 claims description 6
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 4
- 238000001035 drying Methods 0.000 claims description 4
- 229910017604 nitric acid Inorganic materials 0.000 claims description 4
- 239000002253 acid Substances 0.000 claims description 3
- 235000019441 ethanol Nutrition 0.000 claims description 3
- 239000003513 alkali Substances 0.000 claims description 2
- 238000007654 immersion Methods 0.000 claims description 2
- 239000011435 rock Substances 0.000 claims description 2
- 210000004243 sweat Anatomy 0.000 claims description 2
- 229940077935 zinc phosphate Drugs 0.000 claims 7
- 238000005406 washing Methods 0.000 claims 4
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims 1
- 239000004593 Epoxy Substances 0.000 claims 1
- 239000003929 acidic solution Substances 0.000 claims 1
- 238000005238 degreasing Methods 0.000 claims 1
- 239000007788 liquid Substances 0.000 claims 1
- 238000000576 coating method Methods 0.000 description 11
- 239000000696 magnetic material Substances 0.000 description 11
- 239000011248 coating agent Substances 0.000 description 8
- 229910019142 PO4 Inorganic materials 0.000 description 5
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 5
- 238000000227 grinding Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 230000003472 neutralizing effect Effects 0.000 description 5
- 235000021317 phosphate Nutrition 0.000 description 5
- 229910052725 zinc Inorganic materials 0.000 description 5
- 239000011701 zinc Substances 0.000 description 5
- 239000002585 base Substances 0.000 description 4
- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 description 4
- 239000012876 carrier material Substances 0.000 description 3
- 239000003518 caustics Substances 0.000 description 3
- 229910052801 chlorine Inorganic materials 0.000 description 3
- 239000000460 chlorine Substances 0.000 description 3
- 239000003822 epoxy resin Substances 0.000 description 3
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 3
- 239000010452 phosphate Substances 0.000 description 3
- 229920000647 polyepoxide Polymers 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- -1 chlorine ions Chemical class 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000006386 neutralization reaction Methods 0.000 description 2
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- JMTIXSZQYHAMLY-UHFFFAOYSA-N [P].[Zn] Chemical compound [P].[Zn] JMTIXSZQYHAMLY-UHFFFAOYSA-N 0.000 description 1
- 239000002318 adhesion promoter Substances 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 125000000129 anionic group Chemical group 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000007767 bonding agent Substances 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 229910052793 cadmium Inorganic materials 0.000 description 1
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 1
- 150000001845 chromium compounds Chemical class 0.000 description 1
- 239000008199 coating composition Substances 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 235000009508 confectionery Nutrition 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000009189 diving Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 239000008233 hard water Substances 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 230000000873 masking effect Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 231100000572 poisoning Toxicity 0.000 description 1
- 230000000607 poisoning effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000012487 rinsing solution Substances 0.000 description 1
- 150000004760 silicates Chemical class 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
- 239000000080 wetting agent Substances 0.000 description 1
- 239000012224 working solution Substances 0.000 description 1
Classifications
-
- 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
-
- 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
- H01F41/026—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 protecting methods against environmental influences, e.g. oxygen, by surface treatment
-
- 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
- H02K15/00—Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/02—Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
- H02K15/03—Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies having permanent magnets
-
- Y—GENERAL 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/49009—Dynamoelectric 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)
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 true DE3902480A1 (de) | 1989-09-07 |
| DE3902480C2 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 (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE29923515U1 (de) | 1999-08-03 | 2000-12-14 | Siemens AG, 80333 München | Demagnetisierungssicherer, permanenterregter Schiffsantrieb |
| US6562289B1 (en) | 1998-07-17 | 2003-05-13 | Vacuumschmelze Gmbh | Method for improving the corrosion protection of permanent magnets containing rare earth metals |
| DE10025458B4 (de) * | 2000-05-23 | 2005-05-12 | Vacuumschmelze Gmbh | Magnet und Verfahren zu dessen Herstellung |
| WO2007006696A1 (de) * | 2005-07-13 | 2007-01-18 | Siemens Aktiengesellschaft | Blockmagnet mit korrosionsschutz und anwendung bei elektrischen maschinen |
| DE102009027916A1 (de) * | 2009-07-22 | 2011-01-27 | Zf Friedrichshafen Ag | Magnetpol und Magnetpolanordnung |
| 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 |
| US20250096621A1 (en) * | 2023-09-14 | 2025-03-20 | Atieva, Inc. | Electric motor with insulated permanent magnet |
Families Citing this family (54)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| EP0552365B1 (en) * | 1990-10-12 | 1996-11-06 | Seiko Epson Corporation | Method of protecting the magnets of a permanent magnetic rotor against corrosive agents |
| 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 |
| US6104570A (en) * | 1998-09-18 | 2000-08-15 | Seagate Technology, Inc. | Disc drive spindle motor having tuned stator with adhesive grooves |
| US6340857B2 (en) * | 1998-12-25 | 2002-01-22 | Matsushita Electric Industrial Co., Ltd. | Motor having a rotor with interior split-permanent-magnet |
| DE19912470B4 (de) | 1999-03-19 | 2005-06-02 | Vacuumschmelze Gmbh | Verbundteil und Verfahren zu dessen Herstellung |
| US6281774B1 (en) * | 1999-09-10 | 2001-08-28 | Sumitomo Special Metals Co., Ltd. | Corrosion-resistant permanent magnet and method for producing the same |
| US7232449B2 (en) * | 2000-04-29 | 2007-06-19 | Medtronic, Inc. | Components, systems and methods for forming anastomoses using magnetism or other coupling means |
| US20050080439A1 (en) * | 2000-04-29 | 2005-04-14 | Carson Dean F. | Devices and methods for forming magnetic anastomoses and ports in vessels |
| US8518062B2 (en) | 2000-04-29 | 2013-08-27 | Medtronic, Inc. | Devices and methods for forming magnetic anastomoses between vessels |
| US6384498B1 (en) * | 2000-05-22 | 2002-05-07 | Tokyo Parts Industrial Co., Ltd. | Compact vibration motor |
| WO2002013703A1 (en) * | 2000-08-12 | 2002-02-21 | Ventrica, Inc. | Magnetic components for forming anastomoses and creating ports in vessels |
| US20020143347A1 (en) * | 2000-12-13 | 2002-10-03 | Ventrica, Inc. | Extravascular anastomotic components and methods for forming vascular anastomoses |
| US7909837B2 (en) * | 2000-12-13 | 2011-03-22 | Medtronic, Inc. | Methods, devices and systems for forming magnetic 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 |
| 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 |
| 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 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
-
1989
- 1989-01-11 US US07/295,371 patent/US4935080A/en not_active Expired - Fee Related
- 1989-01-25 EP EP19890101225 patent/EP0326088A3/en not_active Withdrawn
- 1989-01-26 AU AU28820/89A patent/AU610685B2/en not_active Ceased
- 1989-01-27 DE DE3902480A patent/DE3902480A1/de active Granted
- 1989-01-27 JP JP1019395A patent/JPH025401A/ja active Pending
- 1989-02-03 GB GB8902419A patent/GB2227375B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Non-Patent Citations (1)
| Title |
|---|
| NÖLDECHEN, ARNO: Mit Neodym zu Hochleistungs- magneten, in Technische Rundschau 1986, Nr.49, S.36/37 * |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6562289B1 (en) | 1998-07-17 | 2003-05-13 | Vacuumschmelze Gmbh | Method for improving the corrosion protection of permanent magnets containing rare earth metals |
| DE29923515U1 (de) | 1999-08-03 | 2000-12-14 | Siemens AG, 80333 München | Demagnetisierungssicherer, permanenterregter Schiffsantrieb |
| DE10025458B4 (de) * | 2000-05-23 | 2005-05-12 | Vacuumschmelze Gmbh | Magnet und Verfahren zu dessen Herstellung |
| WO2007006696A1 (de) * | 2005-07-13 | 2007-01-18 | Siemens Aktiengesellschaft | Blockmagnet mit korrosionsschutz und anwendung bei elektrischen maschinen |
| 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 |
| DE102009027916A1 (de) * | 2009-07-22 | 2011-01-27 | Zf Friedrichshafen Ag | Magnetpol und Magnetpolanordnung |
| US20250096621A1 (en) * | 2023-09-14 | 2025-03-20 | Atieva, Inc. | Electric motor with insulated permanent magnet |
Also Published As
| Publication number | Publication date |
|---|---|
| EP0326088A2 (en) | 1989-08-02 |
| GB8902419D0 (en) | 1989-03-22 |
| EP0326088A3 (en) | 1990-09-19 |
| US4935080A (en) | 1990-06-19 |
| AU2882089A (en) | 1989-08-03 |
| JPH025401A (ja) | 1990-01-10 |
| AU610685B2 (en) | 1991-05-23 |
| GB2227375B (en) | 1993-02-24 |
| DE3902480C2 (enExample) | 1991-10-17 |
| GB2227375A (en) | 1990-07-25 |
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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 |