Patent ID: 7331084

Claim:
A dust collecting apparatus for a vacuum cleaner, comprising: a cyclonic chamber having an air inlet fluidly connected to a first conduit which is fluidly connected to a suction brush of a cleaner body, and a first air outlet, wherein the cyclone chamber is configured to impart a cyclonic spin on contaminant-laden air drawn through the air inlet; a dust receptacle removably connected to the cyclonic chamber for receiving a contaminant which is thrown out from the spinning contaminant-laden air by centrifugal force; a grill assembly disposed inside the cyclonic chamber and on an upstream side of the air outlet for preventing the thrown out contaminant from flowing backwards through the first air outlet; and a filter assembly formed at an outer side of the cyclonic chamber for filtering out the contaminant being discharged to the air outlet, the filter assembly comprising: a filter member, a filter frame receiving the filter member therein, and having a second air outlet corresponding to the first air outlet of the cyclonic chamber, and a third air outlet fluidly connected with a second conduit which is fluidly connected to an air driving source, and a cover removably connected to the filter.