INTAKE NOISE CONTROL DEVICE FOR VEHICLE AND INTAKE NOISE CONTROL METHOD FOR VEHICLE

摘要

PROBLEM TO BE SOLVED: To control intake noise without separately providing a duct for sound and complicating the structure of an intake noise control device.;SOLUTION: The intake noise control device includes: a first intake duct 21 with an open end 24 provided at a first place and an another end connected to an intake collector; and a second intake duct 31 with an open end 34 provided at a second place different from the first place and an another end connected to the intake collector. The intake noise control device controls intake noise by controlling the opening/closing of a first throttle valve provided in the first intake duct and a second throttle valve provided in the second intake duct.;COPYRIGHT: (C)2010,JPO&INPIT