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Dust collecting device for vacuum cleaner

US-7892305-B2

Abstract

Object of the present invention is to provide a dust collecting device ( 100 ) for a vacuum cleaner of which dust collecting performance is improved. For this, the dust collecting device ( 100 ) includes a primary cyclone unit ( 110 ) having two parallel primary cyclones ( 111,112 ) for separating dust form air introduced therein by a cyclone principle, and a secondary cyclone ( 120 ) unit at a downstream of the primary cyclones ( 111,112 ) for cleaning the air again by the cyclone principle.

Patent figures（8）

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Source status & events

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