| 摘要 |
firstly, liquid refrigerant within an evaporator can be completely evaporated; secondly, liquid compression in a compressor can be prevented; and thirdly, a refrigerating effect of the evaporator can be improved. The refrigerating cycle comprises: a primary liquid separator installed to be connected to the evaporator, for separating the refrigerant into gas refrigerant and liquid refrigerant; a secondary liquid separator installed to be connected between the primary liquid separator and the compressor, for re-separating the refrigerant flowing from the primary liquid separator into the liquid refrigerant and the gas refrigerant to thereby send only the gas refrigerant to the compressor; a first gas refrigerant pipe for supplying the gas refrigerant in the primary liquid separator to the secondary liquid separator; a liquid refrigerant pipe for supplying the liquid refrigerant in the primary liquid to the evaporator; and a second gas refrigerant pipe for supplying the liquid refrigerant to the secondary liquid separator.
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