| 摘要 |
PROBLEM TO BE SOLVED: To make a size smaller, pressure loss less, air quantity larger and efficiency higher by disposing a deodorizing filter to the inner peripheral surface of a fan casing. SOLUTION: The air sucked into a main body case 1 by driving of a blower 13 is collected and deodorized by a dust collecting filter 10 and a deodorizing filter 15 and is blown off to the outside of the main body case 1. The deodorizing filter 15 is disposed on the inner peripheral surface of the fan casing 14 enclosing the fan 12 of the blower 13. |
