Patent ID: 6325053
Filing Date: 2001-12-04
Classification: F02F,F02M,Y02T

Abstract:
An intake system for a multi-cylinder internal combustion engine, comprising an intake manifold defining a plenum chamber connectable to a plurality of engine cylinders and an intake duct opening into and supplying ambient air to the plenum chamber, and a heater comprising heating element means positioned within the plenum chamber adjacent to and in the path of at least a substantial part of the air entering the plenum chamber from the intake duct, said engine having at least a portion of its cylinders in-line with one another and wherein said intake manifold is elongated to overlie substantially all of the in-line cylinders and said intake duct is at one end of said elongated intake manifold, said intake manifold comprising an elongated side wall having its width extending out of a common plane for said intake manifold, an elongated top wall having one side edge connected along said side wall and the other side edge extending to said common plane, and a pair of generally triangular end walls extending between said top and side walls to said common plane.