Patent ID: 7980219

Claim:
An intake controller for an internal combustion engine comprising: a casing defining an intake passage, which communicates with a combustion chamber of the engine; a valve that is received in the casing to open and close the intake passage; a rotational shaft configured to change a degree of opening of the valve; an actuator having a gear, which is disposed to drive the valve through the rotational shaft; a gear retaining member arranged to retain the gear; a sensor including: a magnet disposed to rotate in accordance with rotation of the rotational shaft; and a magnetic detection element configured to detect a magnetic flux generated from the magnet, wherein the sensor is configured to detect the degree of opening of the valve based on a change of a density of the magnetic flux passing through the magnetic detection element; a sensor retaining member arranged to retain the sensor, wherein one of the gear and the gear retaining member, and one of the sensor and the sensor retaining member are separately fixed on the rotational shaft; a joint fitted on an outer periphery of the rotational shaft, wherein the one of the gear and the gear retaining member and the rotational shaft are joined by the joint; and a bearing between the casing and the joint, wherein the casing includes a bearing portion, which rotatably supports the joint through the bearing, and the joint has a cylindrical cross-sectional surface perpendicular to an axial direction of the joint.