Patent ID: 8864561

Claim:
A harvested crop residue chopper and distribution arrangement for a combine ( 10 ) comprising: a straw chopper ( 60 ) with a rotor ( 74 ) that can be brought into rotation about a horizontal axis ( 98 ) and chopper knives ( 76 ) fastened thereto which define an outer envelope ( 96 ), and at least one impeller blower ( 82 ) arranged downstream of the straw chopper ( 60 ) with impeller blades ( 84 ) that rotate about an axis of rotation ( 88 ) that extends vertically, characterized by the impeller blades ( 84 ) that are provided with outer edges ( 94 ) that are at an angle with respect to the axis of rotation ( 88 ) in a direction to conform very closely to the envelope ( 96 ) of the chopper knives ( 76 ) and are not in contact with the envelope ( 96 ).