Patent ID: 7665376

Claim:
A dual-clutch transmission for use in a motor vehicle having an engine and a driveline, comprising: an output shaft adapted for connection to the driveline; an input shaft continuously driven by the engine, the input shaft offset from and positioned substantially parallel to the output shaft; a countershaft in constant driving engagement with the output shaft, the countershaft offset from and positioned substantially parallel to the output shaft and the input shaft; a first clutch operable for establishing a releasable drive connection between the input shaft and a first driven shaft; a second clutch operable for establishing a releasable drive connection between the input shaft and a second driven shaft; first, third, fifth and reverse constant mesh gearsets driven by the first driven shaft; second, fourth and sixth constant mesh gearsets driven by the second driven shaft; and first, second, third and fourth gearset clutches, the first gearset clutch operable to releasably drivingly couple the first and third gearsets and the countershaft, the second gearset clutch operable to releasably drivingly couple the second and fourth gearsets and the countershaft, the third gearset clutch operable to releaseably drivingly couple the fifth and reverse gearsets and the countershaft, and the fourth gearset clutch operable to releaseably drivingly couple the sixth gearset and the countershaft.