| 摘要 |
When a vacuum cleaner is put into operation, letting a suction impeller rotating, vacuum force works at the front and rear suction holes(2,3) of an inlet unit(1), whereby the dust and other solid material flow in the collection tank thru the front, rear suction holes(2,3) and a collection tank suction hole(7). At this time as the inlet unit(1) is pushed forward, duct and solid material will be sucked into the front suction hole(2), then from a liquid detergent tank(4), detergent will be supplied to a brush unit(10), which will separate attached solid material. The separated solid material will be sucked into the rear suction hole(3) and be sent to the collection tank(6) thru the collection tank suction hole.
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