Patent ID: 8118651

Claim:
A crop residue chopping and distributing arrangement with a straw chopper ( 60 ) and at least one impeller blower ( 100 ), arranged downstream of straw chopper ( 60 ), that comprises a shaft and a first set of throw paddles ( 102 . 102 ′) attached to the shaft that can be set in rotation about an axis of rotation ( 108 ) of the shaft, in which the first set of throw paddles ( 102 , 102 ′) extend along the shaft in the axial direction only over a part of the axial dimension of impeller blower ( 100 ), and a second set of adjacent throw paddles ( 102 , 102 ′), attached to the shaft and angularly offset in the circumferential direction relative to the first set of throw paddles and arranged on the shaft offset in the axial direction relative to the first set of throw paddles to create a meandering air flow path through said first set of throw paddles and said second set of adjacent throw paddles.