Patent ID: 6615777
Filing Date: 2003-09-09
Classification: F01L,Y10T

Abstract:
An electrically rotatable adjusting shaft of a fully variable mechanical valve train of an internal combustion engine, said shaft comprising an adjusting cam, wherein an actuator for rotating the adjusting shaft comprises an adjusting lever that is connected rotationally fast to the adjusting shaft, and a free end of the adjusting lever is articulated through a forked lever on a screw nut of a screw-and-nut drive that is driven by an electromotor, the forked lever and the screw nut comprise two further bearing pins with which they are articulated on each other, said further bearing pins having a common axis that extends through a center and through a longitudinal axis of the screw nut and an electromotor shaft and the threaded screw are made together in one piece.