| 摘要 |
Nine gear transmission with four planetary gear sets, rotatable shafts and six shift elements. Sun of first set is connected to fifth shaft connected to sun of second set and is couplable to housing by third brake. Drive shaft is releasably connected by first clutch to fourth shaft connected to carrier of second set and is couplable by second brake to housing. Drive shaft is connectable by of second clutch to seventh shaft connected to ring of second set and sun of third set and is connectable by of third clutch to eighth shaft connected to ring of fourth set and carrier of third set. Shaft (6) is connected to ring of third set and carrier of first, and third shaft is connected to sun of fourth set and is couplable by first brake to housing. Output shaft is connected to carrier of fourth set and ring of first set. |
