Patent ID: 8001652

Claim:
A vacuum cleaner comprising: a housing including a suction source communicating with a nozzle; a dirt cup selectively connected to said housing; a flow path leading from said nozzle to said suction source, wherein said dirt cup communicates with said flow path at a location between said nozzle and said suction source; a cyclonic particle separation chamber at least partially defined in said dirt cup for separating particles entrained in an airstream flowing from said nozzle to said suction source; a filter located in said housing, wherein said filter is positioned downstream from said particle separation chamber and upstream from said suction source, said filter being removable from said housing for cleaning; wherein said dirt cup comprises a side wall and an inlet opening of said particle separation chamber is located in said dirt cup side wall; a final filter positioned downstream from said suction source; and, a plenum defined in said housing for accommodating said final filter.