GRASS SEEDS WIPING APPARATUS Russian patent published in 2003 - IPC

FIELD: agriculture. SUBSTANCE: apparatus has receptacle chamber into which material to be wiped is supplied, rotating drum equipped with whips for moving supplied material over rubbing surface for rubbing said material. Separation of rubbed seeds and contaminants is provided by means of air flow created by fan blades in aspiration channel. Clean seeds are moved by gravity from aspiration channel into outside space. Dense and large contaminants are discharged through discharge window into settling chamber by means of discharge device. Dust particle laden air flow is directed into exhaust air discharge branch pipe. Grass seeds wiping apparatus of such construction combines wiping, pneumatic seed separation and primary purification of exhaust air in single apparatus. EFFECT: increased efficiency, reduced metal usage and compact construction of apparatus. 2 cl, 2 dwg