Dust collecting device for vacuum cleaner
US-7935162-B2Abstract
Object of the present invention is to provide a dust collecting device ( 10 ) for a vacuum cleaner of the dust collecting performance is improved. For this, a dust collecting device ( 100 ) for a vacuum cleaner is provided, including a primary cyclone unit ( 200 ) for separating dust by a cyclone principle, a secondary cyclone unit ( 300 ) around the primary cyclone unit ( 200 ) for separating dust from air discharged from the primary cyclone unit ( 200 ) by the cyclone principle, a primary dust container ( 111 ) for storing the dust separated at the primary cyclone unit ( 200 ), and a secondary dust container ( 112 ) in the primary dust container ( 111 ) for storing the dust separated at the secondary cyclone unit ( 300 ).
Patent figures（8）
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