DE69011249D1 - Magnetfelderzeugendes System. - Google Patents

Magnetfelderzeugendes System.

Info

Publication number
DE69011249D1
DE69011249D1 DE69011249T DE69011249T DE69011249D1 DE 69011249 D1 DE69011249 D1 DE 69011249D1 DE 69011249 T DE69011249 T DE 69011249T DE 69011249 T DE69011249 T DE 69011249T DE 69011249 D1 DE69011249 D1 DE 69011249D1
Authority
DE
Germany
Prior art keywords
magnetic field
generating system
field generating
thermal shield
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 - Fee Related
Application number
DE69011249T
Other languages
English (en)
Other versions
DE69011249T2 (de
Inventor
Keith White
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.)
Oxford Instruments Superconductivity Ltd
Original Assignee
Oxford Medical 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 Oxford Medical Ltd filed Critical Oxford Medical Ltd
Application granted granted Critical
Publication of DE69011249D1 publication Critical patent/DE69011249D1/de
Publication of DE69011249T2 publication Critical patent/DE69011249T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F6/00—Superconducting magnets; Superconducting coils
    • H01F6/04—Cooling
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C13/00—Details of vessels or of the filling or discharging of vessels
    • F17C13/02—Special adaptations of indicating, measuring, or monitoring equipment
    • F17C13/026—Special adaptations of indicating, measuring, or monitoring equipment having the temperature as the parameter
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C3/00—Vessels not under pressure
    • F17C3/02—Vessels not under pressure with provision for thermal insulation
    • F17C3/08—Vessels not under pressure with provision for thermal insulation by vacuum spaces, e.g. Dewar flask
    • F17C3/085—Cryostats
    • 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
    • G01R33/381—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using electromagnets
    • G01R33/3815—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using electromagnets with superconducting coils, e.g. power supply therefor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2201/00—Vessel construction, in particular geometry, arrangement or size
    • F17C2201/03—Orientation
    • F17C2201/032—Orientation with substantially vertical main axis
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
    • F17C2250/03—Control means
    • F17C2250/032—Control means using computers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
    • F17C2250/04—Indicating or measuring of parameters as input values
    • F17C2250/0404—Parameters indicated or measured
    • F17C2250/0439—Temperature
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
    • F17C2250/06—Controlling or regulating of parameters as output values
    • F17C2250/0605—Parameters
    • F17C2250/0631—Temperature
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S505/00—Superconductor technology: apparatus, material, process
    • Y10S505/825—Apparatus per se, device per se, or process of making or operating same
    • Y10S505/888—Refrigeration
    • Y10S505/892—Magnetic device cooling

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Thermal Sciences (AREA)
  • Electromagnetism (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Coils Or Transformers For Communication (AREA)
DE69011249T 1989-09-08 1990-09-10 Magnetfelderzeugendes System. Expired - Fee Related DE69011249T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB898920345A GB8920345D0 (en) 1989-09-08 1989-09-08 Magnetic field generating system

Publications (2)

Publication Number Publication Date
DE69011249D1 true DE69011249D1 (de) 1994-09-08
DE69011249T2 DE69011249T2 (de) 1995-03-23

Family

ID=10662759

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69011249T Expired - Fee Related DE69011249T2 (de) 1989-09-08 1990-09-10 Magnetfelderzeugendes System.

Country Status (6)

Country Link
US (1) US5101638A (de)
EP (1) EP0416959B1 (de)
JP (1) JPH03261112A (de)
AT (1) ATE109589T1 (de)
DE (1) DE69011249T2 (de)
GB (1) GB8920345D0 (de)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5225782A (en) * 1991-09-13 1993-07-06 General Electric Company Eddy current free MRI magnet with integrated gradient coils
JP2809917B2 (ja) * 1992-01-13 1998-10-15 富士通株式会社 荷電粒子ビーム露光方法および装置
GB2276228B (en) * 1993-03-18 1996-10-30 Elscint Ltd Cryogenic superconducting magnet system for use in magnetic resonance apparatus, and controlling the temperature of a heat shield therein
GB2291970A (en) * 1994-07-28 1996-02-07 Oxford Magnet Tech Double wall thermal shield for MRI magnet
US5818097A (en) * 1995-01-05 1998-10-06 Superconductor Technologies, Inc. Temperature controlling cryogenic package system
US5659629A (en) * 1995-04-07 1997-08-19 General Electric Company Visualization of a multi-dimensional data set acquired with a surface receive coil
US5694775A (en) * 1995-09-28 1997-12-09 Kabushiki Kaisha Toshiba Magnetic resonance diagnostic apparatus
TW460635B (en) * 1997-05-30 2001-10-21 Toshiba Corp Superconducting magnet apparatus
US5857342A (en) * 1998-02-10 1999-01-12 Superconductor Technologies, Inc. Temperature controlling cryogenic package system
GB2355798B (en) * 1999-10-26 2004-05-19 Oxford Magnet Tech Improved magnetic coil former
US6879852B1 (en) * 2000-07-10 2005-04-12 Otward M. Mueller Low-cost magnetic resonance imaging (MRI) Cryo-system
US7706856B2 (en) * 2002-09-27 2010-04-27 General Electric Company System and method for predictive thermal output control of a medical device
US6783059B2 (en) * 2002-12-23 2004-08-31 General Electric Company Conduction cooled passively-shielded MRI magnet
US6788060B1 (en) * 2003-05-28 2004-09-07 Ge Medical Systems Global Technology Co., Inc. Imaging system with homogeneous magnetic field
DE102006012506A1 (de) * 2006-03-18 2007-09-20 Bruker Biospin Gmbh Kryostat mit einem Magnetspulensystem, das eine LTS- und eine beheizbare HTS-Sektion umfasst
US7602185B2 (en) * 2007-07-12 2009-10-13 Kabushiki Kaisha Toshiba Magnetic resonance imaging apparatus and magnetic resonance imaging method
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
CN202942110U (zh) * 2009-08-30 2013-05-22 阿斯派克磁体有限公司 磁共振设备
CN106322100B (zh) * 2015-07-01 2019-10-18 张家港中集圣达因低温装备有限公司 用于装载低温介质的球罐

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5879465A (ja) * 1981-10-31 1983-05-13 Hitachi Ltd 超電導回転子の冷媒給排装置
EP0116364B1 (de) * 1983-02-09 1986-06-18 Bruker Analytische Messtechnik GmbH Kühleinrichtung für ein Tieftemperatur-Magnetsystem
DE3689337T2 (de) * 1985-01-17 1994-06-23 Mitsubishi Electric Corp Kryogenisches Gefäss für einen supraleitenden Apparat.
US4689970A (en) * 1985-06-29 1987-09-01 Kabushiki Kaisha Toshiba Cryogenic apparatus
US4660013A (en) * 1985-09-23 1987-04-21 General Electric Company Compact whole body resistive magnetic resonance imaging magnet
JPS62165307A (ja) * 1986-01-16 1987-07-21 Fuji Electric Co Ltd 液冷式均一磁場コイル
JPH0629635Y2 (ja) * 1986-09-09 1994-08-10 古河電気工業株式会社 低温保持装置
US4788834A (en) * 1986-11-11 1988-12-06 Kabushiki Kaisha Toshiba Method and system for controlling magnetic field generating unit in magnetic resonance imaging apparatus
JP2590914B2 (ja) * 1987-08-20 1997-03-19 日本電気株式会社 歪発生回路
US4782671A (en) * 1987-09-28 1988-11-08 General Atomics Cooling apparatus for MRI magnet system and method of use
US4881035A (en) * 1987-11-24 1989-11-14 Siemens Aktiengesellschaft Magnetic structural arrangement of an installation for nuclear magnetic resonance tomography with superconducting background field coils and normal-conducting gradient coils
CH675791A5 (de) * 1988-02-12 1990-10-31 Sulzer Ag
JPH0687447B2 (ja) * 1988-07-27 1994-11-02 三菱電機株式会社 超電導マグネツト装置
US4986078A (en) * 1989-08-17 1991-01-22 General Electric Company Refrigerated MR magnet support system

Also Published As

Publication number Publication date
DE69011249T2 (de) 1995-03-23
GB8920345D0 (en) 1989-10-25
EP0416959B1 (de) 1994-08-03
US5101638A (en) 1992-04-07
JPH03261112A (ja) 1991-11-21
ATE109589T1 (de) 1994-08-15
EP0416959A1 (de) 1991-03-13

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: OXFORD INSTRUMENTS SUPERCONDUCTIVITY LTD., EYNSHAM

8339 Ceased/non-payment of the annual fee