| 摘要 |
PROBLEM TO BE SOLVED: To provide an air cleaner reduced in noise and improved in the cooling efficiency of a filter. SOLUTION: This air cleaner is constituted by providing an air duct in a body case 1, forming a nearly spiral air channel part 3 near a discharge outlet of the air duct, providing a multiblade fan 5 in the air channel part 4, and providing the filter on the way of the air duct leading to the multiblade fan 5. Partition walls 7 for separating main flow (a) flowing from the multiblade fan 5, from back-flow b flowing into the vicinity of the end part of the multiblade fan 5, are provided inside the discharge part 3. |
