Apparatus and a method for providing a combination of non-reverse and reverse defrost for a refrigeration circuit are disclosed. A three-way valve is provided for initially circulating hot gaseous refrigerant directly from the compressor to the heat exchanger requiring defrost. An intermediate header is provided as part of the internal circuiting of the outdoor heat exchanger, said intermediate header serving to direct hot gaseous refrigerant from the three-way valve into all of the circuits of the outdoor heat exchanger simultaneously to effect defrost ...
A reversible refrigeration system adapted for heating and cooling having a compressor, an indoor heat exchanger, an outdoor heat exchanger, a reversing valve and an expansion device associated with each heat exchanger which comprises: a three-way valve connected to the compressor and to the reversing valve; an interconnecting line for conducting refrigerant between the indoor heat exchanger and the outdoor heat exchanger; a first header connected to the reversing valve for supplying refrigerant to the outdoor heat exchanger when the refrigeration system ...
이 특허를 인용한 특허 피인용횟수: 18
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