Refrigeration cycle apparatus

Refrigeration – Reversible – i.e. – heat pump – With flow control or compressor details

Reexamination Certificate

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Details

C062S324100, C062S172000, C062S467000, C062S510000, C062S512000

Reexamination Certificate

active

06945066

ABSTRACT:
A refrigeration cycle apparatus using carbon dioxide as a refrigerant has a compressor, an outdoor heat exchanger, an expander, an indoor heat exchanger and an auxiliary compressor. The auxiliary compressor is driven by power recover by the expander. When refrigerant flows using the indoor heat exchanger as an evaporator, a discharge side of the auxiliary compressor becomes a suction side of the compressor, and when refrigerant flows using the indoor heat exchanger as a gas cooler, a discharge side of the compressor becomes a suction side of the auxiliary compressor.

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