Back to results
US 2006/0219033 A1Published application
Twin clutch trasnmission with coaxial drive and output
AssigneeDaimler AG
InventorCarsten Gitt
Life of this patent
Estimating the term…
Abstract
The invention relates to a twin clutch transmission of high efficiency which is compact in every dimension. This twin clutch transmission can be used particularly in vehicles having a longitudinally installed engine. For this purpose, the transmission input shaft and the transmission output shaft are arranged coaxially with respect to one another, whereas the two countershafts are arranged parallel to one another. Furthermore, the shift sleeves are arranged in a special way, thus making seven forward gears and a plurality of reverse gears possible.
Claims13
A twin clutch transmission (10), in which
- a transmission input shaft (11) and a transmission output shaft (12) are arranged coaxially with respect to one another, and
- two countershafts (16, 33) are arranged, offset in parallel with respect to one another and to the transmission input shaft (11) and transmission output shaft (12)
- wherein a direct gear is provided, and otherwise
- all the even-numbered forward gears are assigned solely to one countershaft (33), and
- all the odd-numbered forward gears are assigned solely to the other countershaft (16)
- and there being arranged coaxially on the transmission output shaft (12), offset axially with respect to a shift sleeve (38) assigned to the direct gear and to a further forward gear, a further shift sleeve (24) assigned to two forward gears, and there lying, offset axially with respect to said two shift sleeves (38, 24), a shift sleeve plane in which are arranged two further shift sleeves (32, 28), each of which is assigned in each case to one of the two countershafts (33, 16), each forward gear, with the exception of the direct gear, taking place via two gearwheel stages.
3 more elements
Dependencies are inferred from the claim text.