| 摘要 |
PROBLEM TO BE SOLVED: To solve problems with a conventional solar water heater having a general flat plate type heat collector wherein heat loss is large and, since heat is not condensed, heat collecting efficiency is remarkably lowered in heat collection at high temperatures and in use under cold weather conditions. SOLUTION: In this light-concentrating solar water heater, the solar heat collector of condensing system in which sunbeam is condensed into a heat collecting part by a reflective plate, a hot water storage tank, and a hot water supply/water supply device are formed integrally with each other. Thus, the heat collecting efficiency in heat collection at high temperatures and in use under cold weather conditions can be increased. COPYRIGHT: (C)2004,JPO&NCIPI
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