| 摘要 |
PROBLEM TO BE SOLVED: To reduce the frequency of exchange of part items of a supply fan, a light source, etc., as regulation of cleaning capacity is effectively effected and to perform constant operation of an air cleaner and increase an operation time. SOLUTION: To solve a problem described above, in the air cleaner described in item 1, having a plurality of air cleaning function parts consisting of an air purifying function parts to clean polluted air in the atmosphere and a supply fan, when demand cleaning capacity demanded by an air cleaner is within a range of cleaning capacity of a given air cleaning function part, only the air cleaning function part is operated. |
