| 摘要 |
<P>PROBLEM TO BE SOLVED: To improve performance by improving a refrigerating capacity in an evaporator of a refrigerating cycle device, in particular, to improve the refrigerating capacity by improving a radiating capacity of the refrigerating cycle device using carbon dioxide as the refrigerant. <P>SOLUTION: This refrigerating cycle device comprises a brine tank 24 for storing brine, a refrigerant-brine heat exchanger 30 for exchanging heat between the refrigerant from a radiator 2 and the brine in the brine tank 24, a brine circulating circuit 20 for supplying the brine at a lower portion in the brine tank 24 to the heat exchanger 30, and returning the brine to an upper portion in the brine tank 24, a pump 26 for circulating the brine between the brine tank 24 and the heat exchanger 30 by the brine circulating circuit 20, and a heat exchanger 22 and a fan 22F as cooling means for cooling the brine in the brine tank 24, and a controller C controls an operation of a compressor 1 and the pump 26, and vertically forms a temperature boundary layer of the brine in the brine tank 24. <P>COPYRIGHT: (C)2009,JPO&INPIT |
