JP4559176B2 - 永久磁石を磁化するための方法及び装置 - Google Patents
永久磁石を磁化するための方法及び装置 Download PDFInfo
- Publication number
- JP4559176B2 JP4559176B2 JP2004285613A JP2004285613A JP4559176B2 JP 4559176 B2 JP4559176 B2 JP 4559176B2 JP 2004285613 A JP2004285613 A JP 2004285613A JP 2004285613 A JP2004285613 A JP 2004285613A JP 4559176 B2 JP4559176 B2 JP 4559176B2
- Authority
- JP
- Japan
- Prior art keywords
- housing
- excitation
- copper sheet
- coiled
- coolant
- 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 - Fee Related
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Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F13/00—Apparatus or processes for magnetising or demagnetising
- H01F13/003—Methods and devices for magnetising 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
- Y10T29/4902—Electromagnet, transformer or inductor
- Y10T29/49071—Electromagnet, transformer or inductor by winding or coiling
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US10/674,495 US7218195B2 (en) | 2003-10-01 | 2003-10-01 | Method and apparatus for magnetizing a permanent magnet |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2005111264A JP2005111264A (ja) | 2005-04-28 |
| JP2005111264A5 JP2005111264A5 (enExample) | 2009-11-12 |
| JP4559176B2 true JP4559176B2 (ja) | 2010-10-06 |
Family
ID=34393505
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2004285613A Expired - Fee Related JP4559176B2 (ja) | 2003-10-01 | 2004-09-30 | 永久磁石を磁化するための方法及び装置 |
Country Status (4)
| Country | Link |
|---|---|
| US (2) | US7218195B2 (enExample) |
| JP (1) | JP4559176B2 (enExample) |
| CN (2) | CN1604242B (enExample) |
| IT (1) | ITMI20041681A1 (enExample) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2422905B (en) * | 2005-02-04 | 2007-02-14 | Siemens Magnet Technology Ltd | Material for electrical isolation and vibro-acoustic performance |
| US7710081B2 (en) | 2006-10-27 | 2010-05-04 | Direct Drive Systems, Inc. | Electromechanical energy conversion systems |
| JP4512855B2 (ja) * | 2007-04-16 | 2010-07-28 | 日本電磁測器株式会社 | 着磁装置 |
| CN101071672B (zh) * | 2007-04-17 | 2011-05-11 | 安泰科技股份有限公司 | 一种用于批量小件烧结钕铁硼磁体的充磁方法 |
| CN101388271A (zh) * | 2007-09-14 | 2009-03-18 | Ge医疗系统环球技术有限公司 | 磁体系统和mri设备 |
| US8183734B2 (en) | 2008-07-28 | 2012-05-22 | Direct Drive Systems, Inc. | Hybrid winding configuration of an electric machine |
| CN104677723B (zh) * | 2015-01-30 | 2017-06-13 | 西北工业大学 | 电磁式应力波发生器的主线圈及充电/放电的方法 |
| IT201600117005A1 (it) * | 2016-11-18 | 2018-05-18 | Laboratorio Elettrofisico Eng S R L | Apparecchiatura di magnetizzazione a impulso veloce |
| JP2020028185A (ja) * | 2018-08-10 | 2020-02-20 | Tdk株式会社 | 磁石構造体、磁石構造体の製造方法および回転電機の製造方法 |
| CN110136919B (zh) * | 2019-06-11 | 2024-01-30 | 宁波兴隆磁性技术有限公司 | 轴向多极充磁设备 |
| CN115691943A (zh) * | 2022-10-19 | 2023-02-03 | 中国长江动力集团有限公司 | 一种强磁体线圈装置 |
Family Cites Families (34)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3056071A (en) * | 1959-02-12 | 1962-09-25 | William R Baker | Electrical coil structure |
| US3363207A (en) * | 1966-09-19 | 1968-01-09 | Atomic Energy Commission Usa | Combined insulating and cryogen circulating means for a superconductive solenoid |
| US3626587A (en) * | 1970-04-06 | 1971-12-14 | Westinghouse Electric Corp | Methods of constructing electrical transformers |
| US3899762A (en) | 1974-10-03 | 1975-08-12 | Permag Magnetics Corp | Permanent magnetic structure |
| US4039990A (en) * | 1975-10-01 | 1977-08-02 | General Electric Company | Sheet-wound, high-voltage coils |
| US4496395A (en) | 1981-06-16 | 1985-01-29 | General Motors Corporation | High coercivity rare earth-iron magnets |
| US4540453A (en) | 1982-10-28 | 1985-09-10 | At&T Technologies | Magnetically soft ferritic Fe-Cr-Ni alloys |
| JPH03170643A (ja) | 1983-08-04 | 1991-07-24 | Sumitomo Special Metals Co Ltd | 永久磁石用合金 |
| US4827235A (en) | 1986-07-18 | 1989-05-02 | Kabushiki Kaisha Toshiba | Magnetic field generator useful for a magnetic resonance imaging instrument |
| JPS63241905A (ja) | 1987-03-27 | 1988-10-07 | Sumitomo Special Metals Co Ltd | 磁界発生装置 |
| JPS63274121A (ja) * | 1987-05-02 | 1988-11-11 | Shinko Electric Co Ltd | コイルの冷却機構 |
| US4896130A (en) * | 1987-11-16 | 1990-01-23 | Ermilov Igor V | Magnetic system |
| JPH02141501A (ja) | 1988-11-22 | 1990-05-30 | Tdk Corp | 永久磁石用合金粉末 |
| US5252924A (en) | 1991-11-18 | 1993-10-12 | Sumitomo Special Metals Co., Ltd. | Magnetic field generating apparatus for MRI |
| JP2808198B2 (ja) | 1990-07-02 | 1998-10-08 | 住友特殊金属株式会社 | Mri用磁界発生装置とその製法 |
| DE69129687T2 (de) | 1990-09-29 | 1999-03-11 | Sumitomo Special Metals Co., Ltd., Osaka | Vorrichtung zur Erzeugung eines Magnetfeldes für die Bildgebung mittels magnetischer Resonanz |
| JP2816256B2 (ja) | 1991-03-25 | 1998-10-27 | 株式会社日立製作所 | コイル体 |
| DE69318998T2 (de) | 1992-02-15 | 1998-10-15 | Santoku Metal Ind | Legierungsblock für einen Dauermagnet, anisotropes Pulver für einen Dauermagnet, Verfahren zur Herstellung eines solchen und Dauermagneten |
| FR2704975B1 (fr) | 1993-05-03 | 1995-06-23 | Commissariat Energie Atomique | Structure d'aimant permanent pour la production d'une induction magnétique stable et homogène dans un volume donné. |
| DE69419096T2 (de) | 1993-09-29 | 1999-10-28 | Oxford Magnet Technology Ltd., Eynsham | Verbesserungen an Magneten der Bilderzeugung mittels magnetischer Resonanz |
| EP0671800B1 (en) * | 1993-09-29 | 1998-06-17 | Denso Corporation | Field coil for motor and method of producing said field coil |
| JPH0831635A (ja) | 1994-07-08 | 1996-02-02 | Sumitomo Special Metals Co Ltd | Mri用磁界発生装置 |
| US5721397A (en) * | 1995-06-07 | 1998-02-24 | Weinberg; Martin J. | Electrical insulation and products protected thereby |
| US5900793A (en) | 1997-07-23 | 1999-05-04 | Odin Technologies Ltd | Permanent magnet assemblies for use in medical applications |
| JPH10174681A (ja) | 1996-12-17 | 1998-06-30 | Shin Etsu Chem Co Ltd | 永久磁石磁気回路 |
| JPH10326710A (ja) * | 1997-03-28 | 1998-12-08 | Seiko Epson Corp | 大型磁石の着磁方法とその装置 |
| WO1999015914A1 (en) | 1997-09-25 | 1999-04-01 | Odin Technologies Ltd. | Magnetic apparatus for mri |
| US6255670B1 (en) | 1998-02-06 | 2001-07-03 | General Electric Company | Phosphors for light generation from light emitting semiconductors |
| US6259252B1 (en) | 1998-11-24 | 2001-07-10 | General Electric Company | Laminate tile pole piece for an MRI, a method manufacturing the pole piece and a mold bonding pole piece tiles |
| US6120620A (en) | 1999-02-12 | 2000-09-19 | General Electric Company | Praseodymium-rich iron-boron-rare earth composition, permanent magnet produced therefrom, and method of making |
| CN1251252C (zh) | 1999-02-12 | 2006-04-12 | 通用电气公司 | 含有铈、钕和/或镨的铁-硼-稀土型永磁材料及其生产方法 |
| DE10109105C2 (de) * | 2001-02-24 | 2003-01-09 | Mfh Hyperthermiesysteme Gmbh | Magnetspulenanordnung eines Magnetfeldapplikators zur Aufheizung von magnetischen oder magnetisierbaren Substanzen oder Festkörpern in biologischem Gewebe |
| JP2002286050A (ja) * | 2001-03-22 | 2002-10-03 | Mitsubishi Electric Corp | 電磁コイル装置及びその製造方法 |
| US6518867B2 (en) | 2001-04-03 | 2003-02-11 | General Electric Company | Permanent magnet assembly and method of making thereof |
-
2003
- 2003-10-01 US US10/674,495 patent/US7218195B2/en not_active Expired - Fee Related
-
2004
- 2004-08-31 IT IT001681A patent/ITMI20041681A1/it unknown
- 2004-09-27 CN CN200410082687.4A patent/CN1604242B/zh not_active Expired - Fee Related
- 2004-09-27 CN CN201010155315.5A patent/CN101800111B/zh not_active Expired - Fee Related
- 2004-09-30 JP JP2004285613A patent/JP4559176B2/ja not_active Expired - Fee Related
-
2006
- 2006-11-20 US US11/601,922 patent/US8468684B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| US8468684B2 (en) | 2013-06-25 |
| US20050073383A1 (en) | 2005-04-07 |
| CN101800111B (zh) | 2012-12-12 |
| CN101800111A (zh) | 2010-08-11 |
| JP2005111264A (ja) | 2005-04-28 |
| US7218195B2 (en) | 2007-05-15 |
| CN1604242A (zh) | 2005-04-06 |
| US20070063800A1 (en) | 2007-03-22 |
| ITMI20041681A1 (it) | 2004-11-30 |
| CN1604242B (zh) | 2010-08-11 |
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