Refrigeration cycle apparatus

Details Refrigeration cycle apparatus Refrigeration cycle apparatus

2005-08-02

2005-08-02

Jones, Melvin (Department: 3744)

Refrigeration

Reversible, i.e., heat pump

C062S172000, C062S228300, C062S623000

Reexamination Certificate

active

06923016

ABSTRACT:
In a refrigerant cycle apparatus, an energy-saving operation is performed by using a refrigerant which is used in a supercritical state. A refrigeration cycle apparatus is constituted by a main compressor, an expander, a sub compressor independently placed in an upstream side of the main compressor, a use side heat exchanger, a heat source side heat exchanger and the like. A refrigerant such as a carbon dioxide or the like which is used in a supercritical state is employed as the refrigerant. The sub compressor is driven by utilizing a recovered energy by the expanding device. Further, a refrigerant tank is provided, and properly controls an amount of the refrigerant circulating in the refrigerant cycle.

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