CLOSED AIR-OPERATED SEPARATOR FOR GRAIN MIXTURES Russian patent published in 2006 - IPC B07B4/02 A01F12/44 

FIELD: agriculture.

SUBSTANCE: separator comprises diametrical fan, air-separating passage provided with the side charging port made in its inner wall arrangement for discharging the cleaned grain at its bottom section, air supply passage that communicates the diametrical fan with the air-separating passage, and settling chamber provided with an arrangement for discharging light admixtures and connected with the outlet diffuser of the fan through the inlet louver located in the zone of its curved wall and with the bottom section of the air-separating passage through the by-pass having an air flow rate controller. The arrangement for discharging cleaned grain has receivers with the discharging devices that are separated with a wall whose top section is expandable and provided with the convex working surface facing in the direction of supply of the grain mixture components to be separated.

EFFECT: enhanced quality of separation.

1 dwg