Cooling of a MRI system
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United States of America Patent
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Nov 29, 2005
Grant Date -
May 19, 2005
app pub date -
Dec 18, 2002
filing date -
Dec 21, 2001
priority date (Note) -
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Abstract
A magnetic resonance imaging (MRI) system having an open superconducting magnet system (1) includes a number of horizontally oriented superconducting coils (3-10) in a cryogenic container (11). The cryogenic container contains a liquid cooling medium for cooling the superconducting coils which are located within the cryogenic container. At its top, the cryogenic container is provided with a recondensor (23) for continuously liquefying the cooling medium. The magnet system has a circuit for guiding the liquid cooling medium from the recondensor along at least part of the superconducting coils.
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