Patent ID: 6394057
Filing Date: 2002-05-28
Classification: F02B

Abstract:
An internal combustion engine comprising a cylinder body defining a plurality of cylinder bores in which pistons reciprocate, a cylinder head affixed to an end of said cylinder body and defining combustion chambers with said pistons and said cylinder bores, a plurality of air intake passages supplying air charges to said combustion chambers, said air intake passages including inner sections entirely defined within said cylinder head and outer sections disposed outside of said cylinder head and not being cast with said cylinder head, a plurality of exhaust passages discharging burnt charges from said combustion chambers, an exhaust manifold collecting the burnt charges from said exhaust passages, said exhaust manifold extending generally along said cylinder body and having an end portion in a direction of its extending axis, at least one of said outer sections of said air intake passages having a passage portion positioned adjacent to said end portion of said exhaust manifold, and said passage portion being overlapped with said exhaust manifold in a view along the extending axis.