| 摘要 |
PROBLEM TO BE SOLVED: To provide a cooling fluid system 50 or method capable of commer cially supplying cryogenic cooling fluid to a high temperature superconductive machinery with high reliability and economical efficiency. SOLUTION: This system comprises a recirculation compressor, a storage tank having a second cryogenic fluid, and an inlet line for connecting the recirculation compressor to the storage tank and a rotor to form a passage for a first cryogenic cooling fluid advanced from the recirculation compressor to a device through the storage tank. The used first cooling fluid is returned to the recirculation compressor again from the rotor through a countercurrent heat exchanger (here, the heat from the compressed first cooling fluid, advancing to the rotor is conducted to the used first cooling gas).
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