Patent ID: 9038584
Filing Date: 2015-05-26
Classification: F01L

Abstract:
1. A valve operating device for an engine having a camshaft, the camshaft including a shaft and a cam element fitted onto the shaft to be integrally rotatable with the shaft and movable in axial directions along the shaft, the cam element being provided with two adjacent cam parts having a common base circle for one valve and having nose parts with different shapes, the cam part to open and close the valve being switchable by moving the cam element in the axial directions on the shaft, the valve operating device comprising: a cam element formed with an end face cam in one end thereof, and a control member, arranged to be movable toward an axial center of the camshaft, driven by an actuator to project to an actuated position at which the control member is projected to engage with the end face cam so as to move the cam element in one of the axial directions, and retreat to a non-actuated position at which the control member is retreated from the actuated position, and wherein the cam element has a slope inclining in a circumferential direction of the cam element and for, when the control member is at the actuated position and the camshaft rotates, sliding in contact with a contact part provided to the control member so as to forcibly move the control member back to the non-actuated position, which separates the control member away from the axial center of the camshaft, after the movement of the cam element via the end face cam is finished.