Patent ID: 7383749

Claim:
A twin-clutch transmission for a motor vehicle, comprising: first and second input shafts, and first and second clutches; said first input shaft forming an outer input shaft and said second input shaft forming an inner input shaft disposed coaxially inside said outer input shaft; said first input shaft being disposed for actively connecting to said first clutch and said second input shaft being disposed for actively connecting to said second clutch; two driving shafts respectively disposed below and above said input shafts, said two driving shafts including a first driving shaft and second driving shaft; said input shafts and said driving shafts having mutually intermeshing gearwheels, with at least two gearwheels respectively forming a gear step, and at least one gearwheel of a gear step being disposed as a selectively engageable and disengageable loose wheel and another gearwheel being mounted as a fixed wheel; said first and second input shaft each carrying a plurality of gearwheels defining first, second, third, fourth, fifth, and sixth gear steps of the transmission, and said inner input shaft carrying a further gearwheel for a seventh gear step of the transmission; a third driving shaft for implementing a reverse gear of the transmission; said first, second, and third driving shafts each having a driving gearwheel for transmitting a torque to an axle drive of the motor vehicle; the axle drive having an axle driving wheel in meshing relationship with said driving gearwheels of said first, second, and third driving shafts.