| 摘要 |
<P>PROBLEM TO BE SOLVED: To maintain an air purifying function by various filters in continuous use for a long period, to elongate a maintenance cycle such as cleaning and replacement of the various filters, to suppress generation of foul odor and mold fungus from contaminant attached and accumulated on the various filters, and to improve cleanability such as wash-out of the contaminant. <P>SOLUTION: This constitution for separating and removing odor components included in the contaminated air G by a deodorizing filter 2 disposed in an internal flow channel 1 to clean the air and return the same into a room, includes an ozone generating section 9a generating ozone distributed into the internal flow channel 1, and an opening/closing device 10 for opening and closing the internal flow channel 1 at a downstream side with respect to the deodorizing filter 2, and the opening/closing device 10 is kept in a closed state when the ozone is distributed into the internal flow channel 1 from the ozone generating section 9a. <P>COPYRIGHT: (C)2012,JPO&INPIT |
