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NECK DEICER FOR LIQUID HELIUM RECONDENSOR OF MAGNETIC RESONANCE SYSTEM
NECK DEICER FOR LIQUID HELIUM RECONDENSOR OF MAGNETIC RESONANCE SYSTEM
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机译:磁共振系统中液态氦冷凝器的颈除冰器
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摘要
A cryogenic system comprises: a liquid helium vessel containing liquid helium (LHe) in which are immersed superconducting magnet windings (20); a helium condenser (30); a neck (32) providing fluid communication between the liquid helium vessel and the helium condenser; a heater (42) disposed outside of and not surrounding the neck; and a thermally conductive passive deicing member (50) disposed in the neck, the thermally conductive passive deicing member thermally coupled with the heater to conduct heat from the heater into the neck. A deicing method for deicing a neck (32) of a liquid helium vessel of a superconducting magnet system comprises generating heat at a location (30, 42) outside of the neck and conducting an amount of the generated heat effective for deicing the neck from outside of the neck through an opening of the neck and into the neck to deice the neck.
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