DUST COLLECTOR FOR VACUUM CLEANER Russian patent published in 2008 - IPC A47L9/20 

FIELD: dust collecting devices for vacuum cleaners.

SUBSTANCE: dust collector device includes dust-collecting chamber for collecting foreign particles from air passing through it; lids of upper and lower portion of dust collecting chamber; unit for cleaning filter. Said unit includes large number of brushes rotating around porous filtering device for removing foreign particles clogging outer surface of porous filtering device; upper and lower guiding rotating members defining upper and lower portions of device for cleaning filter; and supporting members for brushes. Said supporting members are designed for supporting guiding rotating members to which brushes are secured and which are inclined in such a way that upper portions of supporting members for brushes are arranged nearer to lengthwise direction of brush motion. In variant of invention guiding rotating members are formed in upper and lower portions of porous filtering device; large number of supporting members for brushes join said rotating members. On inner surfaces of supporting members brushes are mounted. Blades joined with guiding rotating members are arranged alternatively with them. Some parts of one of supporting members for brushes turned to side of brushes mounted in other supporting member for brushes are free from brushes. Dust collector may include damping gasket for sound suppressing secured to device for cleaning filter and arranged between filter cleaning device and porous filtering device with possibility of suppressing sound on contact surface between said both devices.

EFFECT: effective removal of foreign particles stuck onto surface of porous filtering device, lowered sound occurred at cleaning porous filtering device.

18 cl, 3 dwg