US Patent 7203992 Separator for vacuum cleaner

The separator has a bottom (12), a cylindrical body with turbine blades (15), and a sealing ring (11) at the upper end. The separator is made of segments or of an integral one piece. The segment of the separator (10) is manufactured as a turbine wheel, where the radial supports (17) have a periphery (16), on which periphery (16) are disposed uniformly and approximately radially turbine blades (15) having a slightly inclined outer part in the counter-rotation direction. The sealing ring (11) has radial supports (17) and a ring (19), and at the bottom of the lid (1a) it has airflow directing means (20) manufactured as extensions inclined from the periphery towards the radius.