abstract continuously variable transmission provided with a first pulley having two pulley discs with a second pulley having two pulley discs and with a drive belt wound around the pulleys for transmitting torque therebetween at least one disc of the first pulley being axially movable with respect to the other disc of the pulley under the influence of an axial force provided on the movable disc by a hydraulic pressure in a cylinder of a piston cylinder assembly associated with the first pulley the continuously variable transmission is further provided with a control system capable of controlling the pressure in the cylinder and including a pump for generating a flow of hydraulic medium from a reservoir to a main hydraulic line and a line pressure valve at least operable by a control pressure which is regulated by an electronically operable pressure regulator for controlling a line pressure in the main hydraulic line additionally the control system includes a pressure control device capable of influencing the line pressure by providing a further pressure on a part of the line pressure valve application_number US 70851200 A description fig1 shows a schematic representation of a cvt with an electro hydraulic control system according to the state of the art the cvt comprises a first pulley 1 on a first shaft 3 and a second pulley 2 on a second shaft 4 a drive belt 10 is mounted around said pulleys 1 2 for transmitting torque between said shafts 3 4 each pulley 1 or 2 has a fixed disc 5 or 6 and an axially moveable disc 7 or 8 respectively piston cylinder assemblies 11 13 and 12 14 are provided for axially displacing said movable discs 7 and 8 cylinders 11 and 12 of.