| 摘要 |
PROBLEM TO BE SOLVED: To provide a regenerative refrigerating system which can be operated in a mode where it could not be performed hitherto, by simple constitution. SOLUTION: A compressor 10, an outdoor heat exchanger 14, an indoor decompressor 31, and an indoor heat exchanger 32 are connected in order by pipes, and the connection port on liquid side of the outdoor heat exchanger 14 and the connection port on liquid side of the indoor heat exchanger 32 are connected with each other through an opening and closing valve 23 and a liquid refrigerant pump 22 in order. Moreover, one end of the heat exchanger 20a for heat storage and a pert between the vapor side of the indoor heat exchanger 32 and the suction side of the compressor 10 are connected with each other through an opening and closing valve 26, and the other end of the heat exchanger 20a for heat storage and the middle between the connection port on liquid side of the outdoor heat exchanger 12 and the opening and closing valve 23 are connected with each other through a decompressor 21 for heat storage. According to this system, a regenerative refrigerating system can be constructed in simpler constitution than that of a conventional one.
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