FIELD: machine engineering.
SUBSTANCE: cooling device based on Brayton cycle (100) according to the present invention in a refrigerant line (101) comprises several stages of compressors (102a, 102b, 102c); a sensor (160) the temperature for detecting the thermal load of a cooling object and a buffer reservoir (111) provided between a low-pressure line (109) and a line (110) high pressure. The coolant flow rate in the coolant line is adjusted by adjusting the opening degree of the valves (112, 113) to correct refrigeration performance.
EFFECT: providing cooling device based on Brayton cycle using multiple stages of compressors and having good response without efficiency reduction due to thermal load change of the cooled object.
6 cl, 8 dwg
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