SUCKING-IN WASHER AND VACUUM CLEANER EQUIPPED WITH SUCKING-IN WASHER Russian patent published in 2007 - IPC A47L9/04 

FIELD: domestic appliances.

SUBSTANCE: sucking-in washer and vacuum cleaner equipped with such washer can be used for cleaning floor at regulated speed of rotation of sweeping unit corresponding to condition of floor. First air-receiving opening is made in lower part of case of washer; dusted air is sucked in by means of sucking-in force generated when starting sucking-in device. Sweeping-in unit is mounted for rotation inside first air receiving opening to sweep dust from floor in. Washer has contrivance for adjusting speed of rotation of sweeping unit corresponding to condition of floor onto which floor the case of washing is disposed. Device for adjusting speed of rotation has device for regulation of air flow, which unit is mounted in case of washer to change speed of rotation of sweeping unit by means of regulation of air flow introduced into first air receiving opening. Device for regulation of air flow has opening for supplying external air, through which opening the external air enters through one side of case of washer. It also has opening contrivance, which regulates degree of opening to supply external air to regulate air flow passing through first air receiving opening. Opening contrivance has shutter, which opens and closes opening for supplying external air and lever unit to regulate position of shutter; level unit is connected with shutter. Lever unit improves air flow sucked in through first air receiving opening to increase speed of rotation of sweeping unit if the latter is pressed against floor when case of washer lowers onto floor, and it reduces air flow, sucked in through first air receiving opening to decrease speed of rotation of sweeping unit is case of washer stays aside floor. Washer is placed inside vacuum cleaner, which has case equipped with dust collector collecting dust by means of dust separation. Sucking-in washer communicates with dust collector and it moves along floor for sucking dust-containing air in.

EFFECT: improved comfort; regulated suck-in power.

21 cl, 8 dwg