DUST COLLECTING DEVICE FOR VACUUM CLEANER

摘要

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 prinicple, and a secondary cyclone (120) unit at a downstram of the primary cyclones (111 ,112) for cleaning the air again by the cyclone principle.