| 摘要 |
PROBLEM TO BE SOLVED: To provide a heat pump device capable of securing the reliability of a compressor and maintaining a uniform performance factor. SOLUTION: A refrigerant liquid tank 9 is installed and bypassed between an indoor heat exchanger 4 and an outdoor heat exchanger 7. Refrigerant vapor vaporized by a capillary tube 13 built in the refrigerant liquid tank 9 is joined with an outlet conductor of the heat exchanger, the refrigerant liquid cooled by the refrigerant liquid tank 9 is expanded, and then it is joined with a suction conductor 8e and sucked in the compressor 2. By this, a compression ratio of the compressor 2 can be adjusted to a set value during operation in a set pressure or more. COPYRIGHT: (C)2004,JPO
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