Patent ID: 6830512
Filing Date: 2004-12-14
Classification: A01F

Abstract:
In a rotary combine having a threshing assembly which includes a rotor housing and a rotor arranged for rotation within said rotor housing, wherein said rotor includes an infeed section and said infeed section has a frusto-conical impeller body with at least one impeller blade extending outwardly from said body, the improvement in an impeller shroud comprising:a) a frusto-conical wall segment forming a rear converging wall encircling said impeller; and b) at plurality of front, reverse frusto-conical wall segments forming a front rearwardly diverging wall partially encircling said impeller, said front, reverse frusto-conical wall segments comprising a top wall segment and a bottom wall segment, and said top and bottom wall segments being separated by left and right transition elements which are rearwardly converging.