Patent ID: 9119346
Filing Date: 2015-09-01
Classification: A01D

Abstract:
1. An extractor for a harvester having a conveyor system for conveying cut crops and loose residue, comprising: a fan disposed in a fan housing including an inlet opening and an exhaust opening, the inlet opening disposed in spaced relation to the conveyor system such that the inlet opening and the conveyor system bound ends of an air flow path therebetween, the air flowing through the inlet opening into the direction of the exhaust opening; and a rotary extractor screen having a rotational axis including a drive connected in rotatably driving relation to the extractor screen to rotate the screen through the air flow path such that the air flow will pass through successive portions of the screen, the extractor screen having a larger surface area than a sectional extent of the air flow path, the rotational axis disposed in offset relation thereto such that a portion of the extractor screen covers the air flow path such that the air flow along the path will pass therethrough and into the inlet opening, while a larger portion of the screen is located beside the air flow path.