Actuator for actuating an actuating device

摘要

In the case of an actuator for actuating an actuating device, in particular an air distribution flap in a motor vehicle air-conditioning and/or ventilating appliance, in which a drive motor which is driven by a control device is connected in terms of drive via a transmission element arrangement, the control device drives the drive motor in such a way that, at each reversal of movement direction, in addition to the adjustment travel or angle which corresponds to the desired adjustment travel or angle of the actuating device on the basis of the transmission ratio of the transmission element arrangement, the said drive motor executes an adjustment travel or angle which corresponds to the mechanical total play of the transmission element arrangement.