| 摘要 |
<P>PROBLEM TO BE SOLVED: To switch an auxiliary fan to a fan other than a bathroom fan in taking a bath while basically utilizing the bathroom fan as the auxiliary fan operated when the wind power is weak. <P>SOLUTION: This ventilation device utilizing the wind power, and comprising the auxiliary fan operated in a case when the wind power is weak, further comprises the bathroom fan 4 ordinarily used as the auxiliary fan, the other fan 6 used as the auxiliary fan in taking a bath, and a switching operation means 8 for switching the bathroom fan 4 and the other fan 6. The switching operation means 8 is mounted in front of a bathroom, and is a switch for switching the bathroom fan 4 and a rest room fan 6. Further an auxiliary fan controller power source switch 3 is mounted for cutting off a power source for a controller of the auxiliary fan when a window is opened. <P>COPYRIGHT: (C)2005,JPO&NCIPI |
