Patent ID: 6591446
Filing Date: 2003-07-15
Classification: A47L,B01D,B04C,Y10S

Abstract:
A vacuum cleaner comprising:a housing defining a cyclonic airflow chamber for separating contaminants from a suction airstream, said housing further comprising an inlet for said cyclonic airflow chamber and an outlet for said cyclonic airflow chamber; a nozzle base including a main suction opening, said main suction opening being fluidically connected with said cyclonic airflow chamber inlet; an airstream suction source having an inlet disposed adjacent said cyclonic airflow chamber outlet and a suction source exhaust outlet spaced from said cyclonic airflow chamber, said suction source selectively establishing and maintaining an approximately linear suction airstream from said said outlet of said cyclonic airflow chamber to said inlet of said airstream suction source; and, a main filter assembly positioned between said cyclonic airflow chamber and said suction source for filtering contaminants from said suction airstream.