| 摘要 |
PROBLEM TO BE SOLVED: To provide a water circulation system for housing, which enables the residents to reuse water in case of a natural disaster such as an earthquake or the like. SOLUTION: The water circulation system 100 for housing is formed of: a water storage tank 110 which stores therein one or both of rainwater, and remaining water 141 in a bathtub 140 and used water of a hand-wash stand 122, as reclaimed water; a flushing water tank 120 for storing therein flushing water for a toilet 121; and a pump 130 for feeding the reclaimed water from the water storage tank 110 to the flushing water tank 120. COPYRIGHT: (C)2010,JPO&INPIT
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