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    • 1. 发明专利
    • HOT WATER FEEDING, COOLING AND HEATING DEVICE
    • JPH0539957A
    • 1993-02-19
    • JP28426491
    • 1991-08-06
    • KYUSHU ELECTRIC POWERSUN WAVE IND
    • RIKIHISA KATSUTOSHIYOSHIDA YASUNORIMASUDA TOSHIFUMITABATA AKIRA
    • F24H1/00F24H4/00F25B29/00
    • PURPOSE:To provide a substantial reduction of a manufacturing cost or an installing cost, set a substantial small-sized device and reduce a running cost as much as possible by a method wherein a triple-layered pipe type heat exchanging coil of a water heat exchanger is wound around a heat accumulating hot water storing tank. CONSTITUTION:A plurality of turns of triple-layered heat exchanging coil Z for a water heat exchanger are wound around an upper outer circumference of a hot water storing tank 7 and installed there. The triple-layered heat exchanging coil Z is constructed such that water heat exchangers and heat transfer pipes are arranged outside and inside a refrigerant pipe disposed at the water heat exchangers, and a hot water feeding and circulating circuit and a bath circulation circuit are completely independent with a refrigerant flow passage of one system being held therebetween. One heat pump device provides main seven functions of a hot water feeding, a cooling and hot water feeding, an air heating and hot water feeding, a cooling and a bath additional boiling, a heating and a bath additional boiling, (a temperature keeping), a cooling and a heating. Heat radiation while the hot water fed out of an outlet of the water heat exchanger is returned back to an upper part of a hot water storing tank for accumulating heat can be restricted as much as possible.