Patent ID: 8839756

Claim:
An intake air routing device for an internal combustion engine, the engine comprising a plurality of cylinders and a plurality of intake ports, each of the intake ports operatively connected with a respective one of the cylinders; said intake air routing device operable to feed air into the intake ports of the internal combustion engine through a plurality of intake passages, said intake air routing device comprising: a hollow case body having an air chamber formed therein and configured to take in outside air; a plurality of intake passages at least partially disposed in the case body, wherein the intake passages are in fluid communication with the air chamber; an air filter element disposed in the case body; and a partition wall formed separately from the case body and disposed in the air chamber so as to separate inlet portions of the intake passages from each other; wherein the partition has a perimeter edge and a substantial portion of the edge is spaced from an interior surface of the case body.