B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
56/113, 183/78
B01D 46/26 (2006.01) F01P 11/12 (2006.01)
Patent
CA 1318607
SELF-CLEANING ROTARY SCREEN FOR THE COOLING AIR INLET OF AN ENGINE ENCLOSURE Abstract of the Disclosure A self cleaning rotary screen of an agricultural combine is provided with a planar circular screen that is secured to an outwardly extending circular flange having an external groove and an internal groove. The screen is rotatably coupled to a pivotable door by a plurality of freely rotatable wheels which engage the internal groove of the flange. Also secured to the door are two freely rotatable idler sheaves located adjacent to the pivot axis of the door so that the centerpoint of the endless belt when coupled to the outer periphery of the sheaves forms a tangent axis that is substantially aligned with the pivot axis of the door. A driving sheave is operatively coupled to the propulsion system of the combine and is provided with a central rotational axis that intersects the tangent axis of the idler sheaves. The self cleaning rotary screen is provided with a stationary vacuum chamber through which the screen is rotated. The vacuum chamber removes debris trapped on the surface of the screen.
564168
Love Mahlon Lloyd
Nelson James Roger
Borden Ladner Gervais Llp
Deere & Company
LandOfFree
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