Patent ID: 8011465
Filing Date: 2011-09-06
Classification: B60H,B60K,F02M

Abstract:
1. An air intake plenum disposed in an air induction channel in a hood defined by a bottom channel wall, a rear hood reinforcement wall, a cab wall, and an exterior skin, the air induction channel extending between an air inlet laying in a plane generally parallel with the direction of travel of the vehicle to an air outlet, the plenum comprising: a plenum inlet generally co-planar with the air inlet of the air induction channel, wherein the air intake plenum and the air induction channel generally lay in the same plane substantially over the length of the induction channel; at least one side wall extending from the plenum inlet to a plenum outlet, wherein in the direction from the plenum inlet to the plenum outlet, the at least one side wall is angled downwards towards the bottom channel wall; wherein air through the plenum inlet impinges against the at least one side wall, wherein the at least one side wall is a trailing surface of the plenum in the direction of travel and the air exits the plenum outlet, wherein the air intake plenum is configured to direct the air exiting the plenum outlet downward to impinge against the bottom channel wall of the air induction channel where contaminants drop out of the air.