Double clutch transmission for a motor vehicle

摘要

The transmission comprises: a gearbox having first and second input shafts (14, 16) coaxial to one another, wherein the second input shaft (16) carries a driving gearwheel associated to the highest gear; and a clutch unit (10) having first and second dry friction clutches (18, 20) arranged to couple a drive shaft (12) of the motor vehicle respectively to the first (14) and second (16) input shafts of the gearbox. The first friction clutch (18) associated to the first input shaft (14) is normally disengaged, whereas the second friction clutch (20) associated to the second input shaft (16) is normally engaged.