Patent ID: 7114216
Filing Date: 2006-10-03
Classification: A47L,Y10S

Abstract:
1. A vacuum cleaner comprising: a cyclonic airflow chamber that facilitates the separation of contaminants from a suction airstream, said airflow chamber including a chamber inlet and an axial chamber outlet, said chamber inlet being fluidically connected with at least one of a suction nozzle and an above-the-floor cleaning tool; an exhaust filter housing including an exhaust plenum; a primary filter assembly mounted in said cyclonic airflow chamber upstream from said suction source for filtering contaminants from said suction airstream; a suction source housing; a suction duct connecting said axial chamber outlet with said suction source housing, said suction duct surrounded by said exhaust filter housing and extending downward along an axis of said cyclonic airflow chamber; a suction source positioned within said suction source housing, said suction source including a suction inlet communicating with said suction duct and an exhaust outlet communicating with said exhaust filter housing; and a diverter located at said chamber inlet, wherein said diverter directs said suction airstream to flow tangentially within said chamber.