| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a supercritical steam compressing type heat pump that can raise heating capacity by allowing operation without lowering a high pressure. <P>SOLUTION: In a supercritical steam compressing type heat pump 2, a CO2 refrigerant is used as a working medium; and a compressor 9, a radiator 11, an internal heat exchanger 14, pressure reducing means 15A, 15B, evaporators 17A, 17B, and a low pressure gas-liquid separator 26 are connected by piping in this order to compose a refrigerant circulation circuit 18. The low pressure gas-liquid separator 26 is arranged in suction piping 18A connecting an outlet side of the internal heat exchanger 14 and the compressor 9. <P>COPYRIGHT: (C)2013,JPO&INPIT |
