VACUUM CLEANER AND METHOD OF ITS OPERATION Russian patent published in 1995 - IPC

FIELD: household appliances. SUBSTANCE: vacuum cleaner has detachable housing with draught stimulator (electroventilating or pneumoejecting type) fitted in one part of housing, and anticyclone filter installed in other part. Filter outlet branch pipe is connected with suction branch pipe of draught stimulator. Anticyclone filter is installed coaxially with branch pipe of draught stimulator. Outlet branch pipe of anticyclone is connected with draught stimulator suction branch pipe by means of pipe laid along anticyclone longitudinal axis. Pipe is brought out of housing, is hermetically sealed at outlet and is connected with pipe of bent air duct. Method of operation of described vacuum cleaner comes to connecting pressure branch pipe of draught stimulator with outlet branch pipe of anticyclone; draught stimulator suction branch pipe is simultaneously placed in communication with atmosphere. The draught stimulator is switched on, and dust accumulated in filter is blown out into independent dust collector. EFFECT: enhanced cleaning. 2 cl, 4 dwg