GRAIN CLEANER Russian patent published in 2009 - IPC A01F12/44 B07B4/02 

FIELD: agriculture.

SUBSTANCE: grain cleaner consists of feeding device, air-separating and additional air-separating channels, settling and additional settling chambers coupled with outlets of air-separating channels, and of ventilator. A pressure sleeve of the ventilator is divided with an adjoining plane into two air supplying channels, each connected with its air-separating channel. The feeding device is made as parallel perforated inclined planes. At the end of the adjoining plane in the zone of separation of the pressure sleeve of the ventilator into two air supplying channels there are two revolving pivotally installed regulating gates. The outlet of the air-separating channel is connected with the additional settling chamber located inside the settling chamber. The settling chambers with their outlet section are coupled to a sucking aperture of the ventilator via the air supplying chamber.

EFFECT: upgraded quality of grain cleaning.

1 dwg