| 摘要 |
<p>The present invention relates to a hood filter which inhales internal air for discharging it to the outside, which has a blower fan inside, and which is installed on the front surface of a hood. The hood filter comprises an outer frame; and a filter screen on one side of the outer frame. The filter screen has an ultrasonic transducer for supplying vibrational energy to the filter screen.</p> |
