DUST SEPARATION UNIT Russian patent published in 2008 - IPC B01D46/02 B04C9/00 

FIELD: engines and pumps.

SUBSTANCE: unit incorporates a housing, a gas flow peripheral inlet, a filter element, a dust collection hopper and a purified air outlet branch pipe. The said branch pipe is made up of the filtration section casing with the cover arranged thereon and furnished with, at least, two sleeve filter elements fastened thereto. One of the ends of every sleeve element is dead plugged, the plug being rigidly coupled, via a fastener, with the cover, the other end being open and connected to a perforated partition making, at a time, a cyclone element casing top part with scroll-type swirler and a branch pipe housing a tapered sleeve, its smaller diameter facing the base. The cyclone element is arranged on, at least, one support coupled with the base accommodating the dust collection and transportation container connected to the cyclone element branch pipe by a sealed lock. The cover accommodates the recovery device.

EFFECT: higher purification efficiency, lower drag and time-constant required efficiency.

3 cl, 3 dwg