Stufengetriebe und Verfahren zum Auslegen eines Ganges eines Stufengetriebes

摘要

The gear box has a number of gears, at least one synchronizer for engaging and disengaging the gears, a transmission actuator for moving the synchronizer and a controller for driving the actuator so that the synchronizer moves from a first closed position to an open position in response to a gear change instruction signal (58). The controller drives the actuator so that the synchronizer is biased towards the open position before the actuator moves the synchronizer from the first closed position to the open position. An independent claim is also included for a method of applying a gear ratio.