Patent ID: 7908878
Filing Date: 2011-03-22
Classification: F25B

Abstract:
1. A refrigerating apparatus which includes a refrigerant circuit performing a refrigeration cycle by circulating refrigerant, the refrigerant circuit including: a heat source circuit provided with a compressor, an expander, and a heat source side heat exchanger and a plurality of user side circuits respectively provided with user side heat exchangers and connected in parallel to the heat source side circuit, and which is capable of performing a cooling operation where the heat source side heat exchanger serves as a condenser while the user side heat exchangers serve as evaporators, wherein the heat source side circuit includes cooling means for cooling the refrigerant sent from the expander to the user side circuits in the cooling operation, wherein the user side circuits include opening variable user side expansion valves on upstream sides in the cooling operation of the user side heat exchangers, respectively.