Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Yoshiteru Yamazaki0
Masaaki Sato0
Masato Hori0
Seiji Ookoshi0
Tomoaki Tanabe0
Date of Patent
November 25, 2008
0Patent Application Number
118627640
Date Filed
September 27, 2007
0Patent Citations Received
Patent Primary Examiner
Patent abstract
Defrosting operation is possible by causing refrigerant discharged from a compressor to flow to an outdoor heat exchanger, and returning the refrigerant passed through the outdoor heat exchanger to the compressor through a water-heat exchanger, while operating a pump. Quick defrosting operation is possible by causing refrigerant discharged from a compressor to flow to an outdoor heat exchanger, and returning the refrigerant passed through the outdoor heat exchanger directly to the compressor, while stopping a pump. The temperature of water that has flowed into a water-heat exchanger is detected. According to the detected temperature, the defrosting operation using hot water and quick defrosting operation are selectively executed.
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