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GB201403757D0 - Active compensation of magnetic field generated by a recondensing refrigerator - Google Patents

Active compensation of magnetic field generated by a recondensing refrigerator

Info

Publication number
GB201403757D0
GB201403757D0 GB201403757A GB201403757A GB201403757D0 GB 201403757 D0 GB201403757 D0 GB 201403757D0 GB 201403757 A GB201403757 A GB 201403757A GB 201403757 A GB201403757 A GB 201403757A GB 201403757 D0 GB201403757 D0 GB 201403757D0
Authority
GB
United Kingdom
Prior art keywords
magnetic field
field generated
active compensation
recondensing refrigerator
recondensing
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.)
Withdrawn
Application number
GB201403757A
Other versions
GB2523762A (en
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 PLC
Original Assignee
Siemens PLC
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 PLC filed Critical Siemens PLC
Priority to GB1403757.6A priority Critical patent/GB2523762A/en
Publication of GB201403757D0 publication Critical patent/GB201403757D0/en
Priority to EP15705950.2A priority patent/EP3114494A1/en
Priority to PCT/EP2015/052868 priority patent/WO2015132055A1/en
Publication of GB2523762A publication Critical patent/GB2523762A/en
Withdrawn legal-status Critical Current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
    • G01R33/3804—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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B9/00—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point
    • F25B9/10—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point with several cooling stages
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B9/00—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point
    • F25B9/14—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point characterised by the cycle used, e.g. Stirling cycle
    • 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
    • G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
    • G01R33/48—NMR imaging systems
    • G01R33/54—Signal processing systems, e.g. using pulse sequences ; Generation or control of pulse sequences; Operator console
    • G01R33/56—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution
    • G01R33/565—Correction of image distortions, e.g. due to magnetic field inhomogeneities
    • G01R33/56563—Correction of image distortions, e.g. due to magnetic field inhomogeneities caused by a distortion of the main magnetic field B0, e.g. temporal variation of the magnitude or spatial inhomogeneity of B0

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Combustion & Propulsion (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
  • Epidemiology (AREA)
  • Health & Medical Sciences (AREA)
  • Electromagnetism (AREA)
  • Power Engineering (AREA)
GB1403757.6A 2014-03-04 2014-03-04 Active compensation of magnetic field generated by a recondensing refrigerator Withdrawn GB2523762A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB1403757.6A GB2523762A (en) 2014-03-04 2014-03-04 Active compensation of magnetic field generated by a recondensing refrigerator
EP15705950.2A EP3114494A1 (en) 2014-03-04 2015-02-11 Active compensation of magnetic field distortion generated by a recondensing refrigerator
PCT/EP2015/052868 WO2015132055A1 (en) 2014-03-04 2015-02-11 Active compensation of magnetic field distortion generated by a recondensing refrigerator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1403757.6A GB2523762A (en) 2014-03-04 2014-03-04 Active compensation of magnetic field generated by a recondensing refrigerator

Publications (2)

Publication Number Publication Date
GB201403757D0 true GB201403757D0 (en) 2014-04-16
GB2523762A GB2523762A (en) 2015-09-09

Family

ID=50490737

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1403757.6A Withdrawn GB2523762A (en) 2014-03-04 2014-03-04 Active compensation of magnetic field generated by a recondensing refrigerator

Country Status (3)

Country Link
EP (1) EP3114494A1 (en)
GB (1) GB2523762A (en)
WO (1) WO2015132055A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116772446B (en) * 2023-06-28 2025-07-15 包头稀土研究院 Synchronous control method and system of magnetic refrigerator and magnetic refrigerator

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2139964B1 (en) * 1971-05-28 1977-12-23 Ishizaki Yoshihiro
DE3460231D1 (en) * 1983-02-09 1986-07-24 Bruker Analytische Messtechnik Cooling device for a low temperature magnetic system
US4584839A (en) * 1984-07-02 1986-04-29 Cvi Incorporated Multi-stage cryogenic refrigerators
JPH10165388A (en) * 1996-12-10 1998-06-23 Ge Yokogawa Medical Syst Ltd Method of generating magnetic field for mri, and mri device
IT1294226B1 (it) * 1997-08-01 1999-03-24 Itel Telecomunicazioni S R L Sistema attivo per la compensazione di campi magnetici di disturbo particolarmente adatti per l'uso su tomografi per risonanza magnetica
US6201462B1 (en) * 1999-11-09 2001-03-13 General Electric Company Open superconductive magnet having a cryocooler coldhead
JP3728167B2 (en) * 2000-02-10 2005-12-21 株式会社日立メディコ Magnetic resonance imaging system
JP2002130854A (en) * 2000-10-25 2002-05-09 Sharp Corp Stirling refrigerating apparatus and refrigerator having the same
US6933629B2 (en) * 2001-12-14 2005-08-23 Stirling Technology Company Active balance system and vibration balanced machine
DE102004023073B3 (en) * 2004-05-11 2006-01-05 Bruker Biospin Gmbh Magnetic system with shielded regenerator housing and method for operating such a magnet system
JP4179358B2 (en) * 2006-07-31 2008-11-12 三菱電機株式会社 Superconducting magnet and MRI system
US8384387B1 (en) * 2008-02-14 2013-02-26 Fonar Corporation Magnetic resonance imaging apparatus
WO2010011403A2 (en) * 2008-05-21 2010-01-28 Brooks Automation, Inc. Linear drive cryogenic refrigerator
JP5322780B2 (en) * 2009-06-01 2013-10-23 三菱電機株式会社 Superconducting magnet device
JP2013144099A (en) * 2011-12-12 2013-07-25 Toshiba Corp Magnetic resonance imaging apparatus
US9279871B2 (en) * 2011-12-20 2016-03-08 General Electric Company System and apparatus for compensating for magnetic field distortion in an MRI system
US9322892B2 (en) * 2011-12-20 2016-04-26 General Electric Company System for magnetic field distortion compensation and method of making same

Also Published As

Publication number Publication date
WO2015132055A1 (en) 2015-09-11
GB2523762A (en) 2015-09-09
EP3114494A1 (en) 2017-01-11

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)

Free format text: REGISTERED BETWEEN 20160211 AND 20160217

WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)