| 摘要 |
PROBLEM TO BE SOLVED: To provide a dust removal device capable of efficiently removing dust and refuse in air or on floor. SOLUTION: The removal device includes: a blowing device 20 which blows out blow air from a blowing-out port 21b opened to a living room RM, sucks indoor air from a spacing SP disposed at a height of floor FL and forms circulation blow air W1 blown from the blowing-out port 21b; a dust collection portion 10 which is disposed near a suction port 21a and collects dust and refuse conveyed by circulation blow air W1; and a filter 22 which is arranged in a path of the circulation blow air W1 on the downstream from the dust collection portion 10 and performs filtration by removing dust and refuse contained in the circulation blow air W1. COPYRIGHT: (C)2012,JPO&INPIT |
