COUNTERSHAFT AUTOMATIC GEARBOX, IN PARTICULAR AN AUTOMATIC GEARBOX FOR MOTOR VEHICLES

摘要

PCT No. PCT/EP96/03048 Sec. 371 Date Jan. 12, 1998 Sec. 102(e) Date Jan. 12, 1998 PCT Filed Jul. 11, 1996 PCT Pub. No. WO97/04254 PCT Pub. Date Feb. 6, 1997In an automatically shiftable countershaft transmission, particularly for motor vehicles, the shift travels between the engagement points are established and the shift force may be varied as a function of gear step and dynamic load over the engagement travel. Depending on the functional phase, a lower force is provided during the synchronization phase, a higher force is provided during the shift-through phase and a lower force is provided during the dog-in phase.