| 摘要 |
<p>A double-clutch transmission (DCT) 1 comprises an inner input shaft 20 inside an outer input shaft 22. A first clutch disc 8 and a second clutch disc 10 of the DCT 1are connected to the two input shafts 20, 22. There are three layshafts 38, 40, 50 spaced apart and arranged in parallel to the input shafts 20, 22. Final drive pinions 55, 41, 51 are fixed onto the layshafts 38, 40, 50 for outputting drive. Gearwheels are arranged on the shafts 20, 22, 38, 40, 50 so that they comprise seven gearwheel groups and a reverse gearwheel group. Each one of the gearwheel groups comprises a fixed gearwheel on one of the input shafts 20, 22 meshing with an idler gearwheel on one of the layshafts 38, 40, 50. A second fixed gearwheel 30 on the outer input shaft 22 is meshed with a second idler gearwheel 61 and a fourth gear idler gearwheel 63. The double clutch transmission 1 comprises a park-lock that is provided on one of the layshafts 38, 40, 50. Also claimed is a power train device in a vehicle, the power train device comprising a gearbox having the double-clutch transmission and a power source which may be a combustion engine and/or an electric motor.</p> |
