| 摘要 |
PROBLEM TO BE SOLVED: To provide a refrigerating device capable of improving operation efficiency by increasing a degree of freedom in adjusting a refrigerant circulation amount by a multistage compression type compressing element without increasing a size of the device, in the refrigerating device using a refrigerant activated through a process in a supercritical state. SOLUTION: The compressing element 302 has a first compressing mechanism 303 having a compressing element 303c and a compressing element 303d further increasing the pressure of the refrigerant, and a second compressing mechanism 304 having a compressing element 304c and a compressing element 304d further increasing the pressure of the refrigerant. An intermediate cooler 7 cools the refrigerant passing therethrough. An intermediate cooling pipe 8 allows the refrigerant discharged from the compressing element 303c and the refrigerant discharged from the compressing element 304c to be sucked to the compressing element 303d and the compressing element 304d through the intermediate cooler 7. The compressing element 303c and the compressing element 304c are connected at a suction side. The compressing element 303d and the compressing element 304d are joined at a discharge side. COPYRIGHT: (C)2009,JPO&INPIT
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