AIR-SCREEN GRINDING MACHINE Russian patent published in 2019 - IPC B07B4/02 A01F12/44 

FIELD: agriculture; machine building.

SUBSTANCE: invention relates to agriculture, in particular, to issues of grain post-harvest treatment. Air-screen grain cleaning machine comprises a vibratory chute, a fractional pneumatic duct, an expansion section, a fan, compartments of the settling chamber, output channels, two parallel sieve loops – upper and lower ones, containing sorting with round holes of spiked sieve with longitudinal holes.

EFFECT: air-screen grain cleaning machine will allow simplifying the design, improving the quality of air-screen cleaning of grain, dividing the grain heap into fractions.

1 cl, 2 dwg