The variable valve lift

The invention pivoting on the control link, the control shaft comprising a cam shaft, said cam shaft in parallel with the input cam, the cam shaft having the eccentric provided on the control shaft, the control shaft relates to a variable valve lift device ( pivot) movement available to the drive cam, formed on the drive cam provided with the contact portion and into contact with the contact portion comprising a valve opening and closing unit is opened and closed in response to a pivot movement of the drive cam, wherein the control link and the input cam and the drive the cam is connected via a connecting portion, by the rotation of the control link, the relative distance of the input cam and the driving cam is controlled. Continuously variable valve lift (CVVL: Continuous Variable Valve Lift), input cam, and the cam shaft