Patent ID: 9453559
Filing Date: 2016-09-27
CPC Classification: F16H

Claim Text:
1. A multi-stages automatic transmission for a vehicle comprising: first, second, third and fourth planetary gear sets, each including first, second and third rotation elements, respectively; and friction members including first, second, third and fourth clutches and first and second brakes, wherein an input shaft is fixedly connected to the second rotation element of the first planetary gear set and the second rotation element of the second planetary gear set, the third rotation element of the first planetary gear set is fixedly connected to the second rotation element of the third planetary gear set, the first rotation element of the second planetary gear set is fixedly connected to the first rotation element of the fourth planetary gear set, the first rotation element of the third planetary gear set is fixedly connected to the first rotation element of the fourth planetary gear set, and an output shaft is fixedly connected to the second rotation element of the fourth planetary gear set.