GEARBOX WITH A CLUTCH AND A PLANETARY TRAIN WITH TWO INPUT REPORTS

摘要

Gearbox for a motor vehicle with two input devices (6, 14) each driving a primary shaft (4, 12), these primary shafts (4, 12) being connected to two secondary shafts by connections (20, 24, 28, 34) comprising a synchronization device (22, 26, 30, 36) disposed downstream, a first input device (6) comprises a planetary gear giving two reduction ratios, the first primary shaft (4) drives a first link of the third and fourth gear, a second link of the sixth and seventh gear, and a third link of the reverse gear comprising a synchronizer arranged upstream (38), the second primary shaft (12) drives a fourth link ( 28) of the fifth gear, its second pinion (32) driving a third pinion (40) of the third link (34), an intermediate synchronization device (16) being arranged between the two primary shafts (4, 12).