Patent ID: 7354341
Filing Date: 2008-04-08
Classification: A01D

Abstract:
1. An agricultural combine comprising: a body defining a space containing a separating system, and a rear opening spaced rearwardly of the separating system; a crop residue propeller disposed in the space in a position for receiving crop residue from the separating system and directing a flow of the crop residue rearwardly along a flow path from the separating system toward the rear opening; a rotary crop residue discharge apparatus disposed adjacent to the rear opening and in the flow path, the discharge apparatus including an inlet opening positioned for receiving at least a portion of the flow of crop residue, and the apparatus being configured and rotatably operable for propelling the crop residue from the combine; and an air flow sensor disposed and configured for sensing an air flow condition indicative of onset of plugging of the inlet opening and outputting a signal representative thereof.