AU610685B2 - Neodymium-boron-iron magnet assembly - Google Patents
Neodymium-boron-iron magnet assembly Download PDFInfo
- Publication number
- AU610685B2 AU610685B2 AU28820/89A AU2882089A AU610685B2 AU 610685 B2 AU610685 B2 AU 610685B2 AU 28820/89 A AU28820/89 A AU 28820/89A AU 2882089 A AU2882089 A AU 2882089A AU 610685 B2 AU610685 B2 AU 610685B2
- Authority
- AU
- Australia
- Prior art keywords
- magnet
- zinc phosphate
- coating
- zinc
- solution
- 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.)
- Ceased
Links
- QJVKUMXDEUEQLH-UHFFFAOYSA-N [B].[Fe].[Nd] Chemical compound [B].[Fe].[Nd] QJVKUMXDEUEQLH-UHFFFAOYSA-N 0.000 title claims description 19
- 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 55
- 229910000165 zinc phosphate Inorganic materials 0.000 claims description 55
- 229940077935 zinc phosphate Drugs 0.000 claims description 55
- 238000000576 coating method Methods 0.000 claims description 49
- 239000011248 coating agent Substances 0.000 claims description 41
- 238000000034 method Methods 0.000 claims description 40
- 239000000243 solution Substances 0.000 claims description 35
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 30
- 239000000758 substrate Substances 0.000 claims description 29
- 238000005260 corrosion Methods 0.000 claims description 27
- 230000007797 corrosion Effects 0.000 claims description 27
- 239000000853 adhesive Substances 0.000 claims description 21
- 230000001070 adhesive effect Effects 0.000 claims description 21
- 239000004593 Epoxy Substances 0.000 claims description 17
- -1 amide imide Chemical class 0.000 claims description 16
- 230000000694 effects Effects 0.000 claims description 13
- 239000010410 layer Substances 0.000 claims description 13
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 12
- 229910052725 zinc Inorganic materials 0.000 claims description 12
- 239000011701 zinc Substances 0.000 claims description 12
- 238000004140 cleaning Methods 0.000 claims description 11
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 10
- KRVSOGSZCMJSLX-UHFFFAOYSA-L chromic acid Substances O[Cr](O)(=O)=O KRVSOGSZCMJSLX-UHFFFAOYSA-L 0.000 claims description 8
- 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 8
- 239000011241 protective layer Substances 0.000 claims description 6
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 5
- 239000012670 alkaline solution Substances 0.000 claims description 5
- 229910052804 chromium Inorganic materials 0.000 claims description 5
- 239000011651 chromium Substances 0.000 claims description 5
- 235000019441 ethanol Nutrition 0.000 claims description 5
- 238000000227 grinding Methods 0.000 claims description 5
- 238000007654 immersion Methods 0.000 claims description 5
- 229910052742 iron Inorganic materials 0.000 claims description 5
- 238000005507 spraying Methods 0.000 claims description 5
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 4
- 229910019142 PO4 Inorganic materials 0.000 claims description 4
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 4
- 230000001680 brushing effect Effects 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 229910017604 nitric acid Inorganic materials 0.000 claims description 4
- 238000001035 drying Methods 0.000 claims description 3
- 239000012530 fluid Substances 0.000 claims description 2
- 239000004519 grease Substances 0.000 claims description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims description 2
- 239000010452 phosphate Substances 0.000 claims description 2
- 230000001681 protective effect Effects 0.000 claims description 2
- 238000000151 deposition Methods 0.000 claims 1
- 239000002904 solvent Substances 0.000 claims 1
- 239000000463 material Substances 0.000 description 9
- 230000000712 assembly Effects 0.000 description 8
- 238000000429 assembly Methods 0.000 description 8
- 230000003472 neutralizing effect Effects 0.000 description 7
- 239000002987 primer (paints) Substances 0.000 description 7
- 238000007747 plating Methods 0.000 description 5
- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 description 5
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- ZCDOYSPFYFSLEW-UHFFFAOYSA-N chromate(2-) Chemical compound [O-][Cr]([O-])(=O)=O ZCDOYSPFYFSLEW-UHFFFAOYSA-N 0.000 description 4
- 239000000843 powder Substances 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 239000007921 spray Substances 0.000 description 4
- 238000011282 treatment Methods 0.000 description 4
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 3
- 239000000956 alloy Substances 0.000 description 3
- 229910052801 chlorine Inorganic materials 0.000 description 3
- 239000000460 chlorine Substances 0.000 description 3
- 239000000356 contaminant Substances 0.000 description 3
- 210000003298 dental enamel Anatomy 0.000 description 3
- 229920006332 epoxy adhesive Polymers 0.000 description 3
- 229910001172 neodymium magnet Inorganic materials 0.000 description 3
- 235000021317 phosphate Nutrition 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 2
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- HZEWFHLRYVTOIW-UHFFFAOYSA-N [Ti].[Ni] Chemical compound [Ti].[Ni] HZEWFHLRYVTOIW-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 150000001408 amides Chemical class 0.000 description 2
- 229910052793 cadmium Inorganic materials 0.000 description 2
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 2
- 239000011247 coating layer Substances 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 239000008233 hard water Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000696 magnetic material Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 1
- 229910052779 Neodymium Inorganic materials 0.000 description 1
- 240000007817 Olea europaea Species 0.000 description 1
- 239000004962 Polyamide-imide Substances 0.000 description 1
- 239000012790 adhesive layer Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 125000000129 anionic group Chemical group 0.000 description 1
- 239000003945 anionic surfactant Substances 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 239000007767 bonding agent Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 150000001845 chromium compounds Chemical class 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229920006334 epoxy coating Polymers 0.000 description 1
- 125000003700 epoxy group Chemical group 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 150000003949 imides Chemical class 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000005415 magnetization Effects 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- QEFYFXOXNSNQGX-UHFFFAOYSA-N neodymium atom Chemical compound [Nd] QEFYFXOXNSNQGX-UHFFFAOYSA-N 0.000 description 1
- 239000002736 nonionic surfactant Substances 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 229920002312 polyamide-imide Polymers 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 239000011253 protective coating Substances 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 150000004760 silicates Chemical class 0.000 description 1
- 235000011121 sodium hydroxide Nutrition 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 230000007928 solubilization Effects 0.000 description 1
- 238000005063 solubilization Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 238000012360 testing method Methods 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 (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US14972888A | 1988-01-29 | 1988-01-29 | |
| US149728 | 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 |
| US295371 | 1989-01-11 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| AU2882089A AU2882089A (en) | 1989-08-03 |
| AU610685B2 true AU610685B2 (en) | 1991-05-23 |
Family
ID=26846977
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AU28820/89A Ceased AU610685B2 (en) | 1988-01-29 | 1989-01-26 | Neodymium-boron-iron magnet assembly |
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) |
Families Citing this family (61)
| 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 |
| 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 |
| DE102006019614B4 (de) * | 2006-04-25 | 2010-06-17 | Vacuumschmelze Gmbh & Co. Kg | Alterungsbeständiger Dauermagnet aus einem Legierungspulver und Verfahren zu seiner Herstellung |
| 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 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| US4464595A (en) * | 1981-12-22 | 1984-08-07 | Mitsubishi Denki Kabushiki Kaisha | Field system of magnet type D.C. motor having magnetic flux reducing pole pieces |
| US4748738A (en) * | 1987-07-21 | 1988-06-07 | Magnetic Peripherals Inc. | High strength magnet-pole piece assembly tool |
Family Cites Families (4)
| 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 |
| JPS58103863A (ja) * | 1981-12-10 | 1983-06-21 | Mitsubishi Electric Corp | 界磁装置の製造方法 |
| US4443934A (en) * | 1982-10-04 | 1984-04-24 | General Electric Company | Method of assembling permanent magnet dc machines |
| 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 JP JP1019395A patent/JPH025401A/ja active Pending
- 1989-01-27 DE DE3902480A patent/DE3902480A1/de active Granted
- 1989-02-03 GB GB8902419A patent/GB2227375B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| US4464595A (en) * | 1981-12-22 | 1984-08-07 | Mitsubishi Denki Kabushiki Kaisha | Field system of magnet type D.C. motor having magnetic flux reducing pole pieces |
| US4748738A (en) * | 1987-07-21 | 1988-06-07 | Magnetic Peripherals Inc. | High strength magnet-pole piece assembly tool |
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 |
| GB2227375A (en) | 1990-07-25 |
| US4935080A (en) | 1990-06-19 |
| GB2227375B (en) | 1993-02-24 |
| DE3902480C2 (enExample) | 1991-10-17 |
| GB8902419D0 (en) | 1989-03-22 |
| EP0326088A2 (en) | 1989-08-02 |
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