| 摘要 |
PROBLEM TO BE SOLVED: To provide a constitution which eliminate the need for the periodical replacement of an air cleaning part, to eliminate inevitability of a constitution for removing a filter and to clamp and fix the filter to an inlet to an inlet hole. SOLUTION: Accumulation of hazardous substances contg. dust in an air cleaning part 12 is eliminated by heating the hazardous substances in the indoor air collected by a collecting means 9 by means of a heater 11 and decomposing oxidatively them and therefore, exchange of the air cleaning part 12 is made unnecessary and instead of removing structure of a filter 13 positioned at an inlet hole 8, a simple and easily operatable structure wherein the filter 13 is clamped and fixed on the inlet hole 8 can be provided. |
