Patent ID: 7556008

Claim:
An internal combustion engine intake duct device comprising: an intake duct body having an inlet, a left outlet and a right outlet with an intake air passage formed in the intake duct body for supplying intake air from the inlet to left and right outlets, the inlet being disposed on an opposite side of the intake duct body from the left and right outlets and laterally between the left and right outlets in a top plan view; and an air flow directing structure arranged in the intake duct body to direct a flow of intake air entering from the inlet toward the left and right outlets, the air flow directing structure including a first sound reflecting part serving to block sound from a left intake pipe and a second sound reflecting part serving to block sound from a right intake pipe, the left and right intake pipes being arranged downstream of the left and right outlet, respectively, and being arranged upstream of an intake manifold to supply the intake air to the intake manifold with the intake manifold being arranged to distribute the intake air to a plurality of cylinders of an internal combustion engine.