Patent ID: 7316120
Filing Date: 2008-01-08
Classification: F25B,Y02B

Abstract:
1. Refrigeration/air conditioning equipment comprising: a compressor; a four-way valve; an indoor heat exchanger; a first decompressor; and an outdoor heat exchanger, wherein these components are coupled circularly, and heat is supplied from the indoor heat exchanger, the refrigeration/air conditioning equipment further comprising: an intermediate-pressure receiver disposed between the indoor heat exchanger and the first decompressor; a first internal heat exchanger that exchanges heat between a refrigerant in the intermediate-pressure receiver and a refrigerant in a suction pipe of the compressor; and an injection circuit in which part of a refrigerant between the indoor heat exchanger and the first decompressor is bypassed and is injected into a compression chamber in the compressor, the injection circuit comprising: