Patent ID: 6363895
Filing Date: 2002-04-02
Classification: F01L,F02D

Abstract:
A device for controlling an actuator which comprises a gas exchange valve and an electromagnetic actuating drive, having one electromagnet which has a coil, having an armature, whose armature plate can move between a first bearing surface on the electromagnet and a second bearing surface, the device comprising a power output stage provided for driving the coil,wherein the power out stage has an electrical energy store which is charged by the coil in a predetermined operating state, and wherein a control unit controls the power output stage into an operating state of rapid energization when a predetermined second condition is met indicating the striking of the armature plate or the first bearing surface or an imminent fallback of the armature plate from the first bearing surface to a rest position, the energy stored in the electrical energy store being fed to the coil in the operating state of rapid energization.