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INTERNAL HEAT EXCHANGER AND REFRIGERATION CYCLE APPARATUS HAVING THE INTERNAL HEAT EXCHANGER
INTERNAL HEAT EXCHANGER AND REFRIGERATION CYCLE APPARATUS HAVING THE INTERNAL HEAT EXCHANGER
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机译:具有内部热交换器的内部热交换器和制冷循环装置
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摘要
A double pipe forms an inner flow path, through which a low-pressure side refrigerant flows, inside an inner pipe, and forms an inner-outer flow path, through which a high-pressure side refrigerant flows, between the outer pipe and the inner pipe. It comprises an expansion valve side connector and a counter-expansion valve side connector which are interposed between distal ends of the outer pipe and the inner pipe and members to be connected. An outer diameter of the outer pipe is 30 millimeters or less. A ratio of a difference between an inner diameter of the outer pipe and an outer diameter of the inner pipe with respect to the inner diameter of the outer pipe is 25% or less. A sealing member is provided to prevent a refrigerant leakage. The plurality of members are mechanically fixed.
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