Patent ID: 7316267
Filing Date: 2008-01-08
Classification: F24D,F25B,Y02B

Abstract:
1. A heat-pump hot water device comprising: a heat pump cycle including: a compressor; a radiator; a decompressor; a heat absorber; and a refrigerant flow path that couples the compressor, the radiator, the decompressor and the heat absorber in a closed circuit; a heat exchanger including a water flow path that exchanges heat with the refrigerant flow path; a water supply pipe for supplying tap water to the water flow path; a hot water supply circuit for directing the water from the water flow path to a hot water supply terminal; and a heater for heating the water flowing through any one of the water supply pipe, the water flow path and the hot water supply circuit, wherein the heater includes a heat accumulator disposed in series with any one of the water supply pipe, the heat exchanger and the hot water supply circuit.