GB2490189B - Superconducting magnets with thermal radiation shields - Google Patents

Superconducting magnets with thermal radiation shields

Info

Publication number
GB2490189B
GB2490189B GB1200027.9A GB201200027A GB2490189B GB 2490189 B GB2490189 B GB 2490189B GB 201200027 A GB201200027 A GB 201200027A GB 2490189 B GB2490189 B GB 2490189B
Authority
GB
United Kingdom
Prior art keywords
thermal radiation
superconducting magnets
radiation shields
shields
superconducting
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
GB1200027.9A
Other versions
GB201200027D0 (en
GB2490189A (en
Inventor
Simon James Calvert
Marcel Jan Marie Krup
Rodrigo Ormeno
Michael Simpkins
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 GB1200027.9A priority Critical patent/GB2490189B/en
Priority claimed from GB1106660.2A external-priority patent/GB2490478B/en
Publication of GB201200027D0 publication Critical patent/GB201200027D0/en
Publication of GB2490189A publication Critical patent/GB2490189A/en
Application granted granted Critical
Publication of GB2490189B publication Critical patent/GB2490189B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • 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
    • G01R33/3802—Manufacture or installation of magnet assemblies; Additional hardware for transportation or installation of the magnet assembly or for providing mechanical support to components of the magnet assembly
    • 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
    • G01R33/56518—Correction of image distortions, e.g. due to magnetic field inhomogeneities due to eddy currents, e.g. caused by switching of the gradient magnetic field
    • 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
    • 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
GB1200027.9A 2011-04-20 2011-04-20 Superconducting magnets with thermal radiation shields Expired - Fee Related GB2490189B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1200027.9A GB2490189B (en) 2011-04-20 2011-04-20 Superconducting magnets with thermal radiation shields

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB1106660.2A GB2490478B (en) 2011-04-20 2011-04-20 Superconducting magnets with thermal radiation shields
GB1200027.9A GB2490189B (en) 2011-04-20 2011-04-20 Superconducting magnets with thermal radiation shields

Publications (3)

Publication Number Publication Date
GB201200027D0 GB201200027D0 (en) 2012-02-15
GB2490189A GB2490189A (en) 2012-10-24
GB2490189B true GB2490189B (en) 2014-04-23

Family

ID=45755679

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1200027.9A Expired - Fee Related GB2490189B (en) 2011-04-20 2011-04-20 Superconducting magnets with thermal radiation shields

Country Status (1)

Country Link
GB (1) GB2490189B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10184711B2 (en) 2014-05-19 2019-01-22 General Electric Company Cryogenic cooling system
GB2538788A (en) * 2015-05-29 2016-11-30 Siemens Healthcare Ltd Cryogen storage for superconducting magnets
GB2569184B (en) * 2017-12-11 2020-02-26 Siemens Healthcare Ltd An assembly comprising a cylindrical structure supported by a support structure
EP4300120A1 (en) * 2022-06-29 2024-01-03 Siemens Healthcare Limited Thermal bus structure for a magnetic resonance imaging device
EP4300119A1 (en) * 2022-06-29 2024-01-03 Siemens Healthcare Limited Thermal bus structure for a magnetic resonance imaging device

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6213010A (en) * 1985-07-11 1987-01-21 Toshiba Corp Superconductive electromagnet
JPH04106373A (en) * 1990-08-27 1992-04-08 Mitsubishi Electric Corp Cryogenic device
US5917393A (en) * 1997-05-08 1999-06-29 Northrop Grumman Corporation Superconducting coil apparatus and method of making
EP1522867A2 (en) * 2003-10-10 2005-04-13 Hitachi, Ltd. Superconducting magnet with increased thermal stability
GB2426630A (en) * 2005-05-26 2006-11-29 Siemens Magnet Technology Ltd Electromagnet
US20100102908A1 (en) * 2008-10-24 2010-04-29 Wang Nmr Inc Annular multi-cell endless box girder apparatus for a quench avoidant coldmass in an mri magnet

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6213010A (en) * 1985-07-11 1987-01-21 Toshiba Corp Superconductive electromagnet
JPH04106373A (en) * 1990-08-27 1992-04-08 Mitsubishi Electric Corp Cryogenic device
US5917393A (en) * 1997-05-08 1999-06-29 Northrop Grumman Corporation Superconducting coil apparatus and method of making
EP1522867A2 (en) * 2003-10-10 2005-04-13 Hitachi, Ltd. Superconducting magnet with increased thermal stability
GB2426630A (en) * 2005-05-26 2006-11-29 Siemens Magnet Technology Ltd Electromagnet
US20100102908A1 (en) * 2008-10-24 2010-04-29 Wang Nmr Inc Annular multi-cell endless box girder apparatus for a quench avoidant coldmass in an mri magnet

Also Published As

Publication number Publication date
GB201200027D0 (en) 2012-02-15
GB2490189A (en) 2012-10-24

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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

PCNP Patent ceased through non-payment of renewal fee

Effective date: 20170420