Patent ID: 7188599

Claim:
An apparatus configured for supplying air to a cooling package for an internal combustion engine that powers an agricultural machine, wherein said cooling package includes a radiator having an air inlet and an air outlet, a rotary screen mounted at said air inlet of said radiator, and a vacuum duct having a vacuum opening and an exhaust opening, said vacuum opening being positioned adjacent said rotary screen, said apparatus comprising: an air intake housing defining an air intake opening and a sump, said sump having a wall and a port; a gating device positioned in communication with said port, said gating device having a first position wherein said port of said sump is closed and a second position wherein said port of said sump is not closed, wherein a first force exerted on said gating device holds said gating device in said first position, and said gating device is changed from said first position to said second position when a mass of debris collected in said sump exerts a second force that overcomes said first force holding said gating device in said first position; and said sump being positioned at a level below a height of said vacuum opening of said vacuum duct.