Torque-divided two-region shift gear comprises a single-duct frictional wheel variable speed gear, a transmission stage and a summation shift gear

摘要

Torque-divided two-region shift gear comprises a single-duct frictional wheel variable speed gear (1), a transmission stage (2) and a summation shift gear (3). Preferred Features: The frictional wheel variable speed gear and the summation shift gear are arranged parallel to each other. The frictional wheel variable speed gear has three, five, seven or nine roller bodies. The shift gear further comprises switching elements (4, 5).