Patent ID: 7958863

Claim:
An intake device for an internal combustion engine by which an intake flow is controlled, comprising: a valve body rotatable about a valve shaft, the valve body being provided within an intake passage, wherein: the valve shaft is eccentric with a center of the valve body and is supported at a position eccentric with a center of the intake passage; when the valve body rotates, a half open state is formed from a fully closed state via a fully open state; the valve body is provided with a cutout portion at an end portion thereof, the cutout portion narrowing a width of a flow path of the intake flow and causing the intake flow to go into a cylinder when the fully closed state is formed; and the intake passage is provided with an intake flow interrupting structure, the intake flow interrupting structure interrupting the intake flow to go to downstream via the cutout portion when the valve body is reversed and comes into contact with an inner wall of the intake passage so that the half open state is formed.