Patent ID: 7044013

Claim:
A twin-clutch transmission configuration, comprising: a transmission housing defining an engine side and an engine-remote side, said transmission housing having an external housing wall on the engine-remote side and an internal housing wall on the engine side; a first engine clutch; a second engine clutch; a first input shaft connected, outside said transmission housing on the engine side, to said first engine clutch; said first input shaft having a plurality of gear wheels for a first group of gear speeds, said plurality of gear wheels for the first group of gear speeds being disposed inside said transmission housing; a second input shaft embodied as a hollow shaft, said second input shaft being disposed coaxially over said first input shaft, said second input shaft being connected, outside said transmission housing on the engine side, to said second engine clutch; said second input shaft having a plurality of gear wheels for a second group of gear speeds, said plurality of gear wheels for the second group of gear speeds being disposed inside said transmission housing; at least one drive shaft disposed parallel with said first input shaft and said second input shaft; said at least one drive shaft having counter gear wheels in engagement with said plurality of gear wheels for the first group of gear speeds and said plurality of gear wheels for the second group of gear speeds; at least two internal radial roller bearings; two axial roller bearings provided to be effective in respective opposite directions; said second input shaft being rotatably mounted on said first input shaft via said at least two internal radial roller bearings and being secured in an axial direction thereof via said two axial roller bearings; a fixed roller bearing; an external radial roller bearing provided on said second input shaft; said first input shaft being secured in an axial direction thereof and rotatably mounted, via said fixed roller bearing, in said external housing wall on the engine-remote side; and said first input shaft being mounted rotatably and displaceably in the axial direction, via said external radial roller bearing, in said internal housing wall on the engine side.