Cooling system having plural cooling stages in which refrigerate

Refrigeration – Gas compression – heat regeneration and expansion – e.g.,...

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62175, 62332, F25B 900

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active

056472188

ABSTRACT:
A cooling apparatus comprises a main refrigerator having a refrigerant-filled chamber, a sub-refrigerator connected parallel to the main refrigerator and having a refrigerant-filled chamber, switch control means for controlling the switching operation between the supply of a refrigerant used in the main refrigerator to the sub-refrigerator, and the stop of the supply of the refrigerant, on the basis of predetermined conditions.

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