correinte upright vacuum with cyclonic air.

1998 
upright vacuum cleaner, comprising: a section vertical housing (B) including a handle (20); a base section of the nozzle (C) interconnected rotatably on a hinge, with the section vertical housing (B), said base section of the nozzle (C) an opening main suction (26) formed at a lower surface thereof; a camera cyclonic air current (54) defined in said upright housing section (B) for separating dust and dirt from the suction airstream; a suction source (E) located in one of said sections of vertical housing (B) and said base section of the nozzle (C), and having an inlet airstream suction (40) in fluid communication with said cyclonic chamber (54) and an outlet suction air (42), a lower portion of said cyclonic chamber (54) being defined by a container for dirt (52) for receiving and retaining dust and separate dirt from this suction airstream; and final filter assembly (F) located on one of said sections of the housing and the nozzle base (B, C), said final filter assembly (F) being connected in fluid communication with said exhaust airstream suction (42) of said suction source (E) for filtering said suction stream discharged by said suction source (E) before said airstream suction it is dispersed into the atmosphere, characterized in that a set of main filter (50) with a main filter element (H) is located between said cyclonic chamber (54) and said suction source (E) for filtering dust and residual dirt from the airstream suction after said current suction air passes through said cyclonic chamber (54), wherein said main filter element (H) includes an outer surface wound (112).
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