Patent ID: 7032563

Claim:
An intake apparatus of an engine for a vehicle with an engine mounted on a body frame that includes a head pipe in a front end of the body frame, the head pipe being configured to support a front fork that has a front wheel pivotably mounted thereon, the intake apparatus comprising: an air cleaner for cleaning air to be supplied to the engine, the air cleaner being located behind the head pipe; an intake duct arranged below the head pipe and extending forward from the air cleaner, the intake duct including a first intake passage and a second intake passage arranged on at least one side of the first intake passage, the first intake passage being located on a center line in a width direction of the front wheel, the first intake passage including a flow area that is larger than a flow area of the second intake passage; an intake control valve for closing the first intake passage when the engine rotates at a first speed and for opening the first intake passage when the engine rotates at a second speed, where the first speed is lower than the second speed; and an actuator connected to the intake control valve to drive the intake control valve to open and close in response to engine rotation.