BRUSH UNIT FOR VACUUM CLEANER Russian patent published in 2007 - IPC A47L9/04 

FIELD: mechanical unit.

SUBSTANCE: brush unit has casing, cover connected with casing upper part so as to form suction channel and turbine chamber, turbine wheel positioned within turbine chamber, and brush drum driven into rotation by rotational force transmitted from turbine wheel. Dividing member is detachably positioned within casing for defining of suction channel and turbine wheel chamber, which are separated from one another. Turbine wheel is driven for rotation by air drawn through air suction opening separated from filth suction opening. Turbine has base and wheel fins protruding from base and radially positioned on its upper surface with the exception of its center.

EFFECT: provision for preventing of turbine wheel from contamination with filth regardless of size and amount of filth, and increased efficiency due to sufficient extent of transmitting of air kinetic energy to turbine.

8 cl, 6 dwg