| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To produce hot water by effectively utilizing waste heat of an automobile engine. <P>SOLUTION: This hot water producing device utilizing the waste heat of an automobile, comprises an engine cooling passage 13 for cooling the engine 10 by allowing the cooling water to flow therein, a heat storage tank 20 for heating the stored water by exchanging heat with the cooling water, a heat storage passage 23 for circulating the cooling water to the heat storage tank 20, a radiator 30 for cooling the cooling water, switch valves 40, 41 for selectively realizing a first state where the cooling water is circulated between the engine cooling passage 13 and the heat storage passage 23, and a second state where the cooling water is circulated between the engine cooling passage 13 and the radiator 30, and a control portion 50 controlling the switch valves 40, 41 to realize the first state when a water temperature in the heat storage tank 20 is lower than a prescribed temperature, and allowing the switch valve 40 to realize the second state when the water temperature is higher than the prescribed temperature. <P>COPYRIGHT: (C)2007,JPO&INPIT</p> |
