Patent ID: 7635315
Filing Date: 2009-12-22
Classification: F16H

Abstract:
1. A multi-speed automatic transmission for a motor vehicle of a planetary design, the transmission comprising: an input shaft (AN); an output shaft (AB); first, second, third and fourth planetary gearsets (RS at least first, second, third, fourth, fifth, sixth, seventh and eighth rotatable shafts ( wherein the carrier (ST the carrier (ST the sun gear (SO the carrier (ST the sun gear (SO the ring gear (HO the sun gear (SO the ring gear (HO the first shifting element (A) is arranged between the third shaft ( the second shifting element (B) is arranged between the fourth shaft ( the third shifting element (C) is arranged, in a direction of power flow, between the first shaft ( the fourth shifting element (D) is arranged, in the direction of power flow, between the second shaft ( the fifth shifting element (E) is arranged, in the direction of power flow, between the fifth shaft (