TURBOCHARGER

Turbocharger (1) for an internal combustion engine (2) comprising an exhaust gas turbine (3), a centrifugal compressor (4), a driveshaft (5) for setting the centrifugal compressor (4) into a rotary motion, the driveshaft (5) rotatably mounted between the turbine (3) and the compressor (4), a rotational-speed sensor (6) for sensing a rotational speed of the rotary motion, a waste gate (7) for regulating the flow of exhaust gas, and an actuator (8) for controlling the waste gate (7) wherein the actuator (8) comprises a pressure plate (9) in pneumatic communication with the compressor (4) and responsive to the boost pressure of the intake gas, a solenoid (10) in signal communication with the speed sensor (6) and responsive to the rotary motion of the compressor (4), and a rod (11) in mechanical communication with the pressure plate (9), in magnetic communication with the solenoid (10), and configured to actuate the waste gate by means of a combined force exerted by the pressure plate (9) and the solenoid (10).