Patent ID: 6602130
Filing Date: 2003-08-05
Classification: A01F,B07B

Abstract:
A grain cleaner comprising: a framework, a grain inlet for accepting a flow of grain, grain cleaning means to separate the grain from at least some of its contaminants and a grain outlet to conduct the grain away from the grain cleaning means, the grain cleaning means including an air separator box having a grain inlet for permitting a flow of grain into the air separator box, the grain inlet formed to distribute the flow of grain into a thin curtain, a grain outlet positioned below the grain inlet such that the flow of grain passing from the grain inlet can drop, by gravity, into the grain outlet, a means for generating a flow of air and directing it toward the flow of grain between the grain inlet and the grain outlet, the means for generating being adjustable to select the direction of the flow of air acting on the flow of grain, a waste material outlet from the air box, the waste material outlet positioned such that the flow of air can pass into the waste material outlet without passing again through the flow of grain and a baffle positioned between the grain outlet and the waste material outlet, the baffle being adjustable in its degree of extension into the air separator box.