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Air management system for heavy duty truck under-hood heat control

  • US 7,537,072 B2
  • Filed: 10/31/2007
  • Issued: 05/26/2009
  • Est. Priority Date: 10/31/2006
  • Status: Active Grant
First Claim
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1. A vehicle capable of on-road highway travel, the vehicle comprising an operator compartment;

  • an engine compartment;

    an engine in the engine compartment;

    a radiator in front of the engine, the radiator receiving coolant from the engine;

    a first ventilating system behind the radiator, the first ventilating system comprising ducting having an exhaust exit to ambient and at least one electric fan adapted to draw air through the radiator, through the ducting, and out the exhaust exit of the first ventilating system, the first ventilating system being constructed to prevent air drawn through the radiator from entering the engine compartment; and

    a second ventilating system constructed to remove heat from the engine compartment, the second ventilating system being constructed to flow ambient air into a rear part of the engine compartment and to exhaust air heated by the engine compartment out of an exhaust exit toward a forward part of the engine compartment.

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