PNEUMATIC GRAIN MATERIAL SEPARATOR Russian patent published in 1999 - IPC

FIELD: agriculture, in particular, equipment for separating difficult-to-separate materials. SUBSTANCE: pneumatic separator has charging hopper, distributor arranged in inclined position under hopper, feeding device positioned under distributor, fan nozzle disposed under feeding device and provided with air source, and devices for receiving products of separation. Distributor has endless rotating belt tightened onto drums and provided with cells arranged in transverse rows. Openings are made in lower part of feeding device. Plates are arranged in parallel one with another within feeding device, with plate spacing being equal to cell transverse pitch. Adjacent rows of cells are offset one with respect to another for value equal to half the pitch, which is larger than cell width and less than distance between transverse rows. Vessel is positioned under lower drum. EFFECT: increased efficiency, improved quality of separating process by supplying basic material in single layer interrupted in horizontal and vertical planes. 2 cl, 3 dwg