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Precooling system of Thomson probe - Jules
Precooling system of Thomson probe - Jules
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机译：汤姆森探针的预冷系统-Jules
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摘要
(57) [Abstract] The present invention relates to a method of operating the same size and cooling system. For safety reasons, the primary refrigerant is pressurized to a relatively low pressure compressor by (130). Passed through a (240) primary / secondary heat exchanger, the primary refrigerant compressed This pre-cools the gas mixture. Secondary primary / secondary heat exchanger (240) is cooled by the secondary cooling system. Primary Joule primary refrigerant exiting the primary outlet of the primary / secondary heat exchanger, - is passed to (150) Thomson expansion element, where it is expanded to the high pressure gas temperature is low. Cooling the heat transfer element mounted on the outer wall of the cryogenic catheter or probe, gas in the low temperature cools the surrounding tissue. It returns through the primary / primary heat exchanger to a remote (160), gas, further cooling the high pressure gas mixture coming back. Primary / primary heat exchanger near vision (140), can be added between the primary compressor (240) primary / secondary heat exchanger (130).
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