WATER SOFTENER

摘要

PROBLEM TO BE SOLVED: To surely supply electric power to electric power-supplied parts in a water softener having a power generation means and a power storage means even when power is not generated by the power generation means for a prescribed time. SOLUTION: The water softener 1 comprises the power generation means 7 for generating electric power by a water flow in a raw water line 5, and the power storage means 14 for storing the electric power generated by the power generation means 7 as electric power to be supplied to the electric power-supplied parts 15 in the water softener. The water softener 1 has a backup battery 16 capable of supplying power to the electric power-supplied parts 15 in addition to the power storage means 14. COPYRIGHT: (C)2008,JPO&INPIT