VARIABLE VALVE LIFT APPARATUS

摘要

PURPOSE: A variable valve lift is provided to control the valve lift by regulating the distance between the input cam and the drive cam through the rotation of a control link. CONSTITUTION: A variable valve lift comprises a cam shaft(10), an input cam(20) installed eccentric in the cam shaft, a control shaft(30) installed in parallel with the cam shaft, a control link(40) installed in the control shaft, a drive cam(50) pivoted on the control shaft, a contact unit(60) formed in the drive cam, and a valve switching unit(70) which contacts with the contact unit and opens/closes according to the pivot motion of the drive cam.