发明名称 HEAT PUMP UNIT AND HEAT PUMP WATER HEATER
摘要 <P>PROBLEM TO BE SOLVED: To provide a heat pump unit preventing inclusion of a scale component into a storage tank without decrease in the temperature within the storage tank when the generated scale component is removed. <P>SOLUTION: The heat pump unit 30 is equipped with a heat pump 33 formed by annularly interconnecting a compressor 1, a liquid-refrigerant heat exchanger 2, a decompression device 3, and a gas-refrigerant heat exchanger 4 by piping so as to circulate a refrigerant in this order. The heat pump unit 30 is further equipped with a cleaning circulating circuit 31 formed of the liquid-refrigerant heat exchanger 2, delivery piping 36, bypass piping 37, and supply piping 35. <P>COPYRIGHT: (C)2011,JPO&INPIT
申请公布号 JP2011021822(A) 申请公布日期 2011.02.03
申请号 JP20090167590 申请日期 2009.07.16
申请人 HITACHI APPLIANCES INC 发明人 SAKAMOTO KOICHI;ENOKITSU YUTAKA
分类号 F24H1/00 主分类号 F24H1/00
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