GRAIN CLEANER Russian patent published in 2006 - IPC B07B4/02 A01F12/44 

FIELD: grain cleaning.

SUBSTANCE: grain cleaner comprises two air-operated separating systems with settling chambers, air-separating and air supplying passages, charging devices mounted in the walls of the air-separating passages, diametrical fan mounted between the air-separating systems and provided with sucking port connected with the output port of the settling chamber of the second air-separating system, pressure branch pipe connected with the air-separating passage through the additional passage of the first air-separating system and additionally connected with the air-operated transporting passage, and appliance for the discharge of grain and admixtures. The spiral housing of the fan is connected with the bottom wall of the air-separating passage. The outlet port of the settling chamber of the second air-separating system receives the control gate.

EFFECT: enhanced quality of cleaning.

1 dwg