Patent ID: 7673610

Claim:
An intake device for vehicle engine provided on a vehicle comprising: a crank case that rotatably supports a crankshaft extending in a vehicle driving direction; a cylinder in which a piston is reciprocatively mounted; a cylinder head mounted on the cylinder; an intake port opened to a combustion chamber between the piston and the cylinder head and positioned on one of right and left sides of the cylinder head with respect to the vehicle driving direction; an exhaust port opened to the combustion chamber and positioned on the other of the right and left sides of the cylinder head; an intake pipe connected to the intake port; an exhaust pipe connected to the exhaust port; and an injector for injecting fuel into the intake pipe, wherein the intake pipe includes a curved portion extending from a front portion of the cylinder head to the side of the cylinder head, and the injector is mounted at an outer side wall of the curved portion of the intake pipe and wherein the cylinder head is provided with two intake ports including a first intake port into which fresh air at the outer area of the curved portion flows, and a second intake port into which fresh air at the inner area in the curved portion flows, thereby to generate swirl in the combustion chamber.