Patent ID: 6283078
Filing Date: 2001-09-04
Classification: B29C,B29K,B29L,F02M,F05C,F16L,Y10T

Abstract:
An inertia charge intake manifold in an internal combustion engine having a plurality of cylinders, the intake manifold comprising:elongated separate branch pipes each corresponding to a respective one of the cylinders;a common flange for connecting a first end of each branch pipe to the internal combustion engine; anda surge tank to which a second end of said each branch pipe is connected;wherein the common flange, the surge tank and said each branch pipe are made of a hard thermoplastic synthetic resin, the common flange being connected to the surge tank via said each branch pipe;wherein the surge tank includes a plurality of connecting portions each for connection to the second end of a respective one of the branch pipes at least one of the connecting portions being located laterally closer to the engine, at least another of the connecting portions being located laterally farther from the engine; andwherein all of the branch pipes are substantially equal in length.