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Dust collecting device for vacuum cleaner

US-7935159-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 of the present invention includes two parallel primary cyclones ( 210, 220 ) for separating dust by a cyclone principle, and two secondary cyclones ( 250, 260 ) for separating dust introduced thereto from the primary cyclones ( 210, 220 ) by the cyclone principle, and a dust container ( 110 ) for storing dust separated by the primary cyclones ( 210, 220 ) and the secondary cyclones ( 250, 260 ), wherein the two primary cyclones ( 210, 220 ) surround the two secondary cyclones ( 250, 260 ), respectively.

Patent figures（8）

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Source status & events

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