Truck hood engine air induction system

Details Truck hood engine air induction system Truck hood engine air induction system

B - Operations, Transporting

60

K

296/37

B60K 13/02 (2006.01) B60K 13/06 (2006.01) F02M 35/16 (2006.01)

Patent

CA 1330221

TRUCK HOOD ENGINE AIR INDUCTION SYSTEM ABSTRACT Disclosed is a highway truck having a mobile frame with an engine mounted on the frame, and a hood mounted on the frame and defining a compartment for the engine. The hood includes a grille portion forming an ambient air inlet to the compartment transverse of the direction of travel. The improvement relates to an engine air induction passage integrally formed within the hood and extending between an engine air inlet opening into the ambient air inlet in the grille portion of the hood. The engine air inlet lies in a plane disposed parallel to the path of travel, and an engine air outlet is disposed on the underside of the rearward portion of the hood and sealingly mates with the engine upon the hood being in the operating position. The engine air induction passage includes a first vertical duct adjacent the grille portion of the hood communicating with the engine air inlet, and a rearwardly extending horizontal duct communicating with the first vertical duct. A second vertical duct is disposed adjacent the rear end of the hood and communicates with the horizontal duct. A transverse duct communicates with the second vertical duct and extends adjacent the rear end of the hood to the engine air outlet, the intersections of the vertical and horizontal ducts being characterized in that their centerlines are oriented at an angle not greater than 90 degrees.

612417

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