VACUUM CLEANER CYCLONE-TYPE DUST SEPARATOR (VERSIONS) Russian patent published in 2008 - IPC A47L9/20 

FIELD: engines and pumps.

SUBSTANCE: cyclone-type dust separator is designed to be incorporated with vacuum cleaners and incorporates a cover with a suck-in duct allowing swirled air in and a cyclone casing attached to the said cover and furnished with an air outlet pipe. There is a screen nearby the said outlet pipe, incorporating a casing attached to the said pipe and furnished with a cleaning hole made at its center, a funnels made up of rods passing upward from the said cleaning hole and converging at one point and a cellular screen arranged on the screen casing open part except for the cleaning hole. The cyclone-type dust separator comprises a screen cleaning assembly arranged nearby the outlet pipe to move relative to the screen and furnished with a cleaner provided with an inside space and levers arranged to pass through the aforesaid funnels to remove coarse and fine dust particles from the screen. In compliance with one version, the screen cleaning assembly can be arranged to move inside the aforesaid outlet pipe. The funnel is made up of four spearhead rods. The cleaning assembly inner space accommodates a heavy metal-sphere element. Every dust removing comprises additionally a dust separating rod in V- or tooth-shape.

EFFECT: higher efficiency of dust separation.

19 cl, 11 dwg