| 摘要 |
<p>A circulation air type cleaner capable of collecting dust on an object surface by small power, and carrying out a cleaning operation with an improved cleaner controllability without polluting the environmental air, comprising an air flow generating unit adapted to generate a blast and drive the blast from an air blow-out hole onto the object surface at a predetermined angle in a predetermined direction, and a rotary brush provided on an air blowing portion of the air flow generating unit and adapted to scrape up the dust on the object surface, the dust being thereby blown in a predetermined direction to introduce the dust from an air flow receiving hole into an inflow passage and collect the dust by a collecting filter provided on the inflow passage, the air flow used to transfer the dust being returned from an air circulating passage to the air flow generating unit and not discharged to the outside, the cleaner controllability during a cleaning operation being excellent since all constituent elements are provided in one cleaner body.</p> |
