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    • 1. 发明专利
    • Heat pump system
    • JP5571978B2
    • 2014-08-13
    • JP2010053430
    • 2010-03-10
    • 大阪瓦斯株式会社
    • 喜徳 久角義通 木内秀樹 山口
    • F25B27/02F25B1/00F25B1/04F25B27/00
    • Y02A30/274
    • PROBLEM TO BE SOLVED: To sufficiently use heat of cooling hot water in a heat pump cycle including a compressor operated by power generated from a combustion engine, and obtain a performance coefficient as high as possible during heating operation. SOLUTION: This heat pump system includes the heat pump cycle wherein the compressor 2 operated by driving force generated by the combustion engine 1 is provided in a refrigerant circulation passage L1, a refrigerant is compressed by the compressor 2 and sent to a condenser 11 to emit heat in the condenser 11, and the refrigerant is sent from the condenser 11 to an expansion valve 3 and an evaporator 4, receives heat in the evaporator 4 and is returned to the compressor 2. The heat pump system further includes an exhaust heat heat exchanger 5 recovering exhaust heat generated by the combustion engine 1 as hot water and providing the exhaust heat for the refrigerant made to flow in the refrigerant circulation passage L1. The exhaust heat heat exchanger 5 is provided between the compressor 2 and the condenser 11, and the refrigerant is circulated in the compressor 2, the exhaust heat heat exchanger 5, the condenser 11, the expansion valve 3 and the evaporator 4 in this order. COPYRIGHT: (C)2011,JPO&INPIT