Patent ID: 9309791
Filing Date: 2016-04-12
CPC Classification: F01L

Claim Text:
1. A valve control device for a gas exchange valve of an internal combustion engine, the valve control device comprising: a cam follower lever that is adapted to interact with a cam of a camshaft of the internal combustion engine; a rocker arm resting on the cam follower lever and adapted to actuate a gas exchange valve; an adjusting device acting on the rocker arm so as to adjust the rocker arm for adjusting a valve lift of the gas exchange valve; wherein the rocker arm has a first curved control surface with a first radius of curvature and a second curved control surface with a second radius of curvature; wherein the cam follower lever has a third curved control surface with a third radius of curvature; wherein the first curved control surface of the rocker arm is resting on a fourth curved control surface of a guide element associated with internal combustion engine, wherein the fourth curved control surface has a fourth radius of curvature; wherein the second curved control surface of the rocker arm is resting on a valve element of the gas exchange valve; wherein the first, second, third, and fourth radii of curvature are adjusted relative to each other such that, when adjusting a valve lift of the gas exchange valve, the gas exchange valve does not open when the cam follower lever is resting on a base circle section of the cam of the camshaft.