| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a lightweight, inexpensive ventilation fan for suppressing the vibration and noise of a fan. <P>SOLUTION: The ventilation fan includes: a frame 3 having a bell mouth 7 formed at the center and a plurality of frame holes 4 provided in the outer edges; an air blower having blades 1 disposed within the bell mouth 7 and a motor 2 for rotating the blades 1; and a plurality of mounting legs 5 each of which has a leg hole 6 provided at the tip end to overlap on the frame hole 4, and which are fixed to a wall together with the frame 3 by a screw inserted into the frame hole 4 and the leg hole 6 to support the air blower. <P>COPYRIGHT: (C)2012,JPO&INPIT |
