Patent ID: 7875093
Filing Date: 2011-01-25
Classification: A01D,B01D

Abstract:
1. An air filter arrangement for an agricultural combine, comprising: a generally rectangular panel supported on hinges on an outer side wall of a combine, the panel having a plurality of apertures therethrough for conducting cooling air into an engine compartment of the agricultural combine a rotary filter mounted on said panel for rotation at a first aperture in the panel to filter air passing through said first aperture; a scoop disposed to enclose the rotary filter and block substantially all air flow to the rotary filter except at a scoop inlet disposed along an upper edge of the scoop above the rotary filter; and at least one stationary filter mounted on said panel disposed to filter air passing through a second aperture in the panel, said stationary filter being disposed between an upper portion of said rotary filter and the scoop inlet.