| 摘要 |
PROBLEM TO BE SOLVED: To compactly arrange a multistage automatic transmission device of forward 9-speed and 1-reverse speed, comprising a main transmission device and preliminary transmission device each using two planetary gear trains.SOLUTION: A main transmission device comprising planetary gear trains 10, 20 having first, second, third, and fourth components and a clutch C3 or a brake B3 and a preliminary transmission device comprising clutches C1, C2, brakes B1, B2, and planetary gear trains 30, 40 are arranged while arranging a partition wall 100 therebetween. An output component outputting five kinds of rotations of the preliminary transmission device and the first component of the main transmission device are connected via a first connection cylindrical shaft 17. An input shaft is connected to the second component via the clutch C3. A hydraulic servo for a frictional member of the brake B3 braking the fourth component is arranged at the partition wall 100 to output the third component. |
