DUST TRAP DEVICE OF VACUUM CLEANER Russian patent published in 2007 - IPC A47L9/16 A47L7/00 

FIELD: vacuum cleaners providing separated collection of dust and liquid.

SUBSTANCE: dust trap device includes housing of cyclone having air receiving opening and air discharging opening. Dust trapping reservoir is communicated with lower part of cyclone housing for accumulation of dust separated from air sucked through air receiving opening. Lower portion of dust trapping reservoir is communicated with receptacle for collecting particles of liquid separated from air sucked through air receiving opening. At least one filter is arranged between said reservoir and receptacle; filter has hole for passing liquid particle under gravity action but trapping dust particles. Dust trapping reservoir is made as one piece with receptacle for liquid accumulation whose lower portion may open and close.

EFFECT: possibility for creating stable suction force in vacuum cleaner due to prevention of reverse flow of liquid particles, sustaining of hygienic condition in dust trapping reservoir.

3 cl, 5 dwg