Patent attributes
Object of the present invention is to provide a dust collecting device (10) for a vacuum cleaner of which dust collecting performance is improved. The dust collecting device (100) of the present invention includes a primary cyclone unit (200) having two primary cyclones (210, 220), arranged in parallel, for separating dust by a cyclone principle, a secondary cyclone unit (300) having at least two secondary cyclones (310, 320), which receives air from the primary cyclones (210, 220) on an outer side of the primary cyclones (210, 220) for separating dust by the cyclone principle, and a dust container (110) having the primary cyclone unit (200) and the secondary cyclone unit (300) mounted thereto, and a primary dust collecting space for storing the dust separated at the primary cyclone unit (200), and at least one secondary dust collecting space for storing the dust separated at the secondary cyclone unit (300) formed therein.
