Method of operating vehicle drivetrain, changes transmission ratio in range of variator and performs actuation of frictional shift elements to reduce output-side reaction moments in periphery

摘要

The method involves providing variator (4) with paths (33,34) that are coupled to transmission region (19) of a transmission device (3). The translation of transmission device via the variator is infinitely variable, and transmission region is connected with output of drivetrain. The transmission ratio in the range of the variator is changed and actuation of frictional shift elements (20,21) is performed to reduce the output-side reaction moments in the periphery during uninterrupted transmission range change.