DE69932061D1 - Temperaturkontrolle für ein permanentmagnetsystem - Google Patents

Temperaturkontrolle für ein permanentmagnetsystem

Info

Publication number
DE69932061D1
DE69932061D1 DE69932061T DE69932061T DE69932061D1 DE 69932061 D1 DE69932061 D1 DE 69932061D1 DE 69932061 T DE69932061 T DE 69932061T DE 69932061 T DE69932061 T DE 69932061T DE 69932061 D1 DE69932061 D1 DE 69932061D1
Authority
DE
Germany
Prior art keywords
permanent magnet
temperature control
magnet system
permanent
temperature
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
DE69932061T
Other languages
English (en)
Inventor
Jan Kruip
David Parker
Jonathan Davis
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.)
Siemens Magnet Technology Ltd
Original Assignee
Siemens Magnet Technology Ltd
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 Siemens Magnet Technology Ltd filed Critical Siemens Magnet Technology Ltd
Application granted granted Critical
Publication of DE69932061D1 publication Critical patent/DE69932061D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • G01R33/38—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field
    • G01R33/383—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using permanent magnets
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • G01R33/38—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field
    • G01R33/3804—Additional hardware for cooling or heating of the magnet assembly, for housing a cooled or heated part of the magnet assembly or for temperature control of the magnet assembly

Landscapes

  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Details Of Reciprocating Pumps (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
  • Electromagnets (AREA)
DE69932061T 1998-09-11 1999-08-23 Temperaturkontrolle für ein permanentmagnetsystem Expired - Lifetime DE69932061D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9819694A GB2341447B (en) 1998-09-11 1998-09-11 Temperature control system for a permanent magnetic mri system
PCT/GB1999/002782 WO2000016118A1 (en) 1998-09-11 1999-08-23 Temperature control system for a permanent magnetic system

Publications (1)

Publication Number Publication Date
DE69932061D1 true DE69932061D1 (de) 2006-08-03

Family

ID=10838607

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69932061T Expired - Lifetime DE69932061D1 (de) 1998-09-11 1999-08-23 Temperaturkontrolle für ein permanentmagnetsystem

Country Status (7)

Country Link
US (1) US6489873B1 (de)
EP (1) EP1112506B1 (de)
JP (1) JP2002525844A (de)
CN (1) CN1145044C (de)
DE (1) DE69932061D1 (de)
GB (1) GB2341447B (de)
WO (1) WO2000016118A1 (de)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2341449B (en) * 1998-09-11 2003-03-26 Oxford Magnet Tech Stabilisation of a magnetic field of a magnetic reasonance imaging apparatus
DE10047584C2 (de) * 2000-09-26 2002-09-19 Siemens Ag Magnetresonanztomograph mit einer Temperaturregelung für thermisch hochsensitive Bauteile
US6662434B2 (en) 2001-04-03 2003-12-16 General Electric Company Method and apparatus for magnetizing a permanent magnet
US6518867B2 (en) 2001-04-03 2003-02-11 General Electric Company Permanent magnet assembly and method of making thereof
US6769487B2 (en) 2002-12-11 2004-08-03 Schlumberger Technology Corporation Apparatus and method for actively cooling instrumentation in a high temperature environment
US7148689B2 (en) * 2003-09-29 2006-12-12 General Electric Company Permanent magnet assembly with movable permanent body for main magnetic field adjustable
US7423431B2 (en) * 2003-09-29 2008-09-09 General Electric Company Multiple ring polefaceless permanent magnet and method of making
US6906517B1 (en) 2004-09-28 2005-06-14 General Electric Company Method and apparatus for maintaining thermal stability of permanent magnets in MRI systems
CN101090021B (zh) * 2006-06-12 2011-08-24 西门子（中国）有限公司 永磁磁共振系统的磁场元件的温度控制方法
CN101299060B (zh) * 2007-04-30 2011-04-06 西门子（中国）有限公司 一种磁共振成像系统的通风方法及通风系统
US7962019B2 (en) * 2007-11-09 2011-06-14 General Electric Company System, method and apparatus for controlling drift of a main magnetic field in an MRI system
US8188742B2 (en) * 2009-07-31 2012-05-29 General Electric Company System and method for thermo-electric cooling of RF coils in an MR imaging system
US9732605B2 (en) 2009-12-23 2017-08-15 Halliburton Energy Services, Inc. Downhole well tool and cooler therefor
DE102011084203B4 (de) * 2011-10-10 2014-07-17 Siemens Aktiengesellschaft Verfahren zum Betrieb wenigstens einer Pumpeneinrichtung
GB2524494A (en) * 2014-03-24 2015-09-30 Siemens Plc Shimming device for a magnetic resonance imaging apparatus with enhanced cooling and method for providing such a device
US20160189841A1 (en) * 2014-12-31 2016-06-30 General Electric Company Cooling system and method for a magnetic resonance imaging device
CN105044634B (zh) * 2015-08-12 2018-01-19 上海健康医学院 磁共振分析用永磁体装置
CN106290445B (zh) * 2016-11-02 2018-02-27 江苏麦格迈医学科技有限公司 一种用于核磁共振检测的磁体温控装置
DE102019212508A1 (de) 2019-08-21 2021-02-25 Bruker Switzerland Ag Temperiersystem für MR-Geräte mit Permanentmagnetanordung
CN112162577B (zh) * 2020-09-25 2021-06-22 上海联影医疗科技股份有限公司 磁共振设备温度控制电路、系统和方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2566410B2 (ja) * 1987-05-11 1996-12-25 株式会社 日立メデイコ 核磁気共鳴イメ−ジング装置
JPH03109042A (ja) * 1989-09-22 1991-05-09 Hitachi Medical Corp 核磁気共鳴イメージング装置用静磁場発生装置
JP3185153B2 (ja) * 1991-06-04 2001-07-09 株式会社日立メディコ 磁気共鳴イメージング装置
JPH05212012A (ja) * 1992-02-10 1993-08-24 Hitachi Medical Corp 磁気共鳴イメージング装置
JP3446973B2 (ja) * 1994-06-09 2003-09-16 株式会社日立メディコ 磁気共鳴イメージング装置
JP3472642B2 (ja) * 1995-03-31 2003-12-02 ジーイー横河メディカルシステム株式会社 Ｍｒｉ装置のマグネットアセンブリ
JPH09299517A (ja) * 1996-05-14 1997-11-25 Bridgestone Sports Co Ltd ラケットフレーム
US5936502A (en) * 1997-12-05 1999-08-10 Picker Nordstar Inc. Magnet coils for MRI
CN1257701C (zh) * 1998-06-19 2006-05-31 株式会社新王磁材 医用磁共振成像设备用磁场发生装置

Also Published As

Publication number Publication date
GB2341447B (en) 2003-08-20
GB2341447A (en) 2000-03-15
CN1145044C (zh) 2004-04-07
US6489873B1 (en) 2002-12-03
JP2002525844A (ja) 2002-08-13
EP1112506B1 (de) 2006-06-21
GB9819694D0 (en) 1998-11-04
WO2000016118A1 (en) 2000-03-23
CN1326552A (zh) 2001-12-12
EP1112506A1 (de) 2001-07-04

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