Patent ID: 6015031
Filing Date: 2000-01-18
Classification: B60W,F16D,F16H

Abstract:
An actuating drive for automated actuation of a friction clutch, comprising:actuator means for automated engagement and disengagement of the friction clutch;control means, to which signals characterizing an operating state are fed, for controlling the actuator means for the engagement and disengagement of the friction clutch as a function of the signals;a sensor system which picks up signals characterizing a gradient of a transmission input shaft speed, the control means receiving signals from the sensor system, whereby, starting from a position in which the friction clutch is at least partly disengaged by the actuator means, an engagement rate of the friction clutch by means of the actuator means is predeterminable as a function of the gradient of the transmission input shaft speed, individual gears of a transmission being assigned synchronization points which, when a respective gear is selected, are detectable via the gradient of the transmission input shaft speed that results from synchronization operation; anda gear selection device and actuating cylinder means for actuating a gear selection in the transmission, one of the gear selection device and the actuating cylinder means being driven in a gear selection direction as a function of the gradient of the transmission input shaft speed.