Patent ID: 8833319
Filing Date: 2014-09-16
Classification: F01L

Abstract:
1. A valve train for an internal combustion engine comprising: a camshaft with a cam unit that actuates a gas exchange valve, wherein the cam unit has at least two cam paths arranged axially one behind the other and is arranged on the camshaft in a rotation-resistant and axially displaceable manner, and has an actuating profile, which interacts with an actuating element displaceable between a home position and an actuating position radially to the axis of the camshaft to axial displace the cam unit on the camshaft, wherein the cam unit has a lateral front face on its outermost periphery in an axial direction, wherein the actuating profile is formed by the lateral front face of the cam unit, and wherein the actuating element to displace the cam unit from one axial position into another axial position has at least one actuating pin that is displaceable in the radial direction between the home position and the actuating position, wherein rotation of the cam unit causes the actuating pin to interact with the lateral front face such that an axial displacement of the cam unit takes place, wherein in each axial position a different cam path is activated to actuate the gas exchange valve.