SCREEN HORIZONTAL FILTER Russian patent published in 2008 - IPC B01D47/06 

FIELD: engines and pumps.

SUBSTANCE: filter contains a casing, inlet and outlet branch pipes, a sprinkler, filter elements made as rotary metal screens connected with the scroll, in its turn, connected via a bypass line with the inlet branch pipe and a hydraulic lock with a sludge pan to remove slime. The sprinkler represents a centrifugal injector made up of a casing with an inlet, a cover, a sealing gasket arranged between the injector casing and the cover, a spring set between the said casing and a swirler representing a cylindrical barrel turned upside down and arranged with a circular clearance relative to the injector casing. The swirler is provided with, at least, two rows of throttling orifices, every row is furnished with, at least, two tangential throttling orifices spaced regularly along the swirler circular wall. The casing lower part accommodates a calibrated taper bore injector insert representing a taper washer, the said calibrated taper bore being aligned with the swirler cylindrical surface and a taper reverse to that of the aforesaid insert taper washer.

EFFECT: higher-efficiency of dust separation.

2 cl, 3 dwg