Patent ID: 9500263
Filing Date: 2016-11-22
CPC Classification: F16H

Claim Text:
1. An automatic transmission, in a transmission case, comprising in a coaxial arrangement: an input part, an output part, a first planetary gear set including a first sun gear, a first carrier, and a first ring gear, a second planetary gear set including a second sun gear, a second carrier, and a second ring gear, a third planetary gear set including a third sun gear, a third carrier, and a third ring gear, a fourth planetary gear set including a fourth sun gear, a fourth carrier, and a fourth ring gear, a first, a second, and a third clutches, and a first and a second brakes: wherein the first sun gear and the second sun gear are constantly connected, the first ring gear and the fourth carrier are constantly connected, the first brake is operatively decoupled from the first sun gear, the second sun gear, and the transmission case, the second brake is operatively decoupled from the fourth ring gear and the transmission case, and the first planetary gear set and the fourth planetary gear set are configured as a single pinion type, and wherein the second planetary gear set is configured as a double pinion type and not as a single pinion type, the third planetary gear set is configured as a single pinion type and not as a double pinion type, the first carrier and the third carrier are constantly connected, the second carrier and the third sun gear are constantly connected, the input part is constantly connected to the second ring gear, the output part is constantly connected to the first carrier and the third carrier, the first clutch is operatively decoupled from the third ring gear and the fourth sun gear, the second clutch is operatively decoupled from the second carrier, the third sun gear, and the fourth sun gear, and the third clutch is operatively decoupled from the input part, the second ring gear, and the fourth sun gear.