Patent ID: 6234129
Filing Date: 2001-05-22
Classification: F02B,F02M,F05C,Y02T

Abstract:
A composite air intake manifold assembly adapted for use with an internal combustion engine comprising:an upper half shell formed from a polymer;a lower half shell formed from a polymer and joined to said upper half shell to define a housing having an internal cavity; anda one piece inner shell formed from a polymer and disposed within said cavity, said inner shell in combination with said upper half shell and said lower half shell cooperating to define at least a pair of spaced apart air intake runners, each of said runners including an opened air intake end, adapted to receive atmospheric air, and an opened air inlet end, adapted to be connected to an associated air inlet side of a cylinder head of the internal combustion engine;wherein said upper half shell is joined to said lower half shell by a welding process, and said one piece inner shell is disposed within said cavity and joined to said upper half shell and said lower half shell by a welding process.