CRYOGENIC FLUID CIRCUIT DESIGN FOR EFFECTIVE COOLING OF AN ELONGATED THERMALLY CONDUCTIVE STRUCTURE EXTENDING FROM A COMPONENT TO BE COOLED TO A CRYOGENIC TEMPERATURE
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United States of America Patent
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Issued Date -
Feb 9, 2017
app pub date -
Apr 16, 2015
filing date -
Apr 17, 2014
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Abstract
A cryogenic system includes a housing of a cryogenic chamber, a cold source in the cryogenic chamber, and a circulation loop for circulating cryogenic fluid between the cold source and a component to be cooled in the cryogenic chamber. The component has an elongated thermally conductive structure extending to a warmer environment. For adjustable cooling of the structure, an incoming stream of the cryogenic fluid is directed along a length of the structure extending from the component, and this stream is split into a first outgoing stream at a first location from the component and a second outgoing stream at a second location further from the component, and an adjustable valve adjusts the fraction of the incoming stream that becomes the second outgoing stream.
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