| 摘要 |
PROBLEM TO BE SOLVED: To solve such a problem that a conventional air cleaner must always be maintained. SOLUTION: The air cleaner is made to be maintenance free by always activating a photocatalyst 3, which is disposed in a catalyst part passage 2, by the use of external visible and ultraviolet rays, adsorbing offensive odor substances in air taken from an air intake port 1 by the use of the adsorption action of an adsorbent 6, which is disposed in an adsorption part passage 5, at the same time, and discharging air from an air discharge port 8 by a ventilation means 7. |
