variable valve lift apparatus for engine

The present invention to control the amounts of lift of the valve in a low-speed state by applying a low lift and soon the air intake amount according to the operation conditions, the high-speed state by increasing the air intake amount by applying a high lift to improve performance and efficiency of the engine a series of the engine relates to a variable valve lift device. Continuously variable valve lift device of an engine according to the present invention and the cam (c) a first roller bearing 21 is coupled to the upper and lower second roller bearing 22 is fitted with a link to the output (23) to be in contact with the , the operating portion (2) that one side is composed of a link shaft 24 is coupled integrally with the first roller bearing (21); The control shaft (3) coupled to the other side of the link shaft (24); The upper is bonded integrally with the control shaft 3 and the output cam (6) is in contact with the lower end of the said rocker arm (83); The eccentric cam coupled to the control shaft (3) (5); One side is coupled to the second roller bearing 22, the other side comprises a control lever (4) coupled to the eccentric cam (5). Engine, the valve opening and closing, a cam, an eccentric