CN1604242B - 磁化永磁体的方法和装置 - Google Patents

磁化永磁体的方法和装置 Download PDF

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Publication number
CN1604242B
CN1604242B CN200410082687.4A CN200410082687A CN1604242B CN 1604242 B CN1604242 B CN 1604242B CN 200410082687 A CN200410082687 A CN 200410082687A CN 1604242 B CN1604242 B CN 1604242B
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China
Prior art keywords
magnetizing
housing
coil
permanent magnet
precursor
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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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CN200410082687.4A
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English (en)
Chinese (zh)
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CN1604242A (zh
Inventor
埃文格洛斯T·拉斯卡里斯
保罗·S·汤普森
李亮
凯瑟琳·M·阿姆
布伦特·阿克塞尔
小迈克尔·A·帕尔莫
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General Electric Co
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General Electric Co
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Application filed by General Electric Co filed Critical General Electric Co
Publication of CN1604242A publication Critical patent/CN1604242A/zh
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Publication of CN1604242B publication Critical patent/CN1604242B/zh
Anticipated expiration legal-status Critical
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    • 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

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
CN200410082687.4A 2003-10-01 2004-09-27 磁化永磁体的方法和装置 Expired - Fee Related CN1604242B (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/674,495 2003-10-01
US10/674,495 US7218195B2 (en) 2003-10-01 2003-10-01 Method and apparatus for magnetizing a permanent magnet

Related Child Applications (1)

Application Number Title Priority Date Filing Date
CN201010155315.5A Division CN101800111B (zh) 2003-10-01 2004-09-27 磁化永磁体的方法

Publications (2)

Publication Number Publication Date
CN1604242A CN1604242A (zh) 2005-04-06
CN1604242B true CN1604242B (zh) 2010-08-11

Family

ID=34393505

Family Applications (2)

Application Number Title Priority Date Filing Date
CN200410082687.4A Expired - Fee Related CN1604242B (zh) 2003-10-01 2004-09-27 磁化永磁体的方法和装置
CN201010155315.5A Expired - Fee Related CN101800111B (zh) 2003-10-01 2004-09-27 磁化永磁体的方法

Family Applications After (1)

Application Number Title Priority Date Filing Date
CN201010155315.5A Expired - Fee Related CN101800111B (zh) 2003-10-01 2004-09-27 磁化永磁体的方法

Country Status (4)

Country Link
US (2) US7218195B2 (https=)
JP (1) JP4559176B2 (https=)
CN (2) CN1604242B (https=)
IT (1) ITMI20041681A1 (https=)

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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
US8253298B2 (en) * 2008-07-28 2012-08-28 Direct Drive Systems, Inc. Slot 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

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US4896130A (en) * 1987-11-16 1990-01-23 Ermilov Igor V Magnetic system
CN1115193A (zh) * 1993-09-29 1996-01-17 日本电装株式会社 电动机励磁线圈
CN1377046A (zh) * 2001-03-22 2002-10-30 三菱电机株式会社 电磁线圈装置及其制造方法

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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
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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
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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.
EP0645641B1 (en) * 1993-09-29 1999-06-16 Oxford Magnet Technology Limited Improvements in or relating to MRI magnets
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
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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
AU9364698A (en) * 1997-09-25 1999-04-12 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
US6518867B2 (en) * 2001-04-03 2003-02-11 General Electric Company Permanent magnet assembly and method of making thereof

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3056071A (en) * 1959-02-12 1962-09-25 William R Baker Electrical coil structure
US4896130A (en) * 1987-11-16 1990-01-23 Ermilov Igor V Magnetic system
CN1115193A (zh) * 1993-09-29 1996-01-17 日本电装株式会社 电动机励磁线圈
CN1377046A (zh) * 2001-03-22 2002-10-30 三菱电机株式会社 电磁线圈装置及其制造方法

Also Published As

Publication number Publication date
JP4559176B2 (ja) 2010-10-06
US20070063800A1 (en) 2007-03-22
US7218195B2 (en) 2007-05-15
ITMI20041681A1 (it) 2004-11-30
CN1604242A (zh) 2005-04-06
US20050073383A1 (en) 2005-04-07
CN101800111A (zh) 2010-08-11
JP2005111264A (ja) 2005-04-28
US8468684B2 (en) 2013-06-25
CN101800111B (zh) 2012-12-12

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Granted publication date: 20100811

Termination date: 20170927