Patent ID: 8096909
Filing Date: 2012-01-17
Classification: B60K,F16H,Y02T

Abstract:
1. A power train of a hybrid vehicle, comprising: a first planetary gear set including a first carrier, a first sun gear and first ring gear wherein the first carrier is separately connected to an engine, the first sun gear is separately directly connected to a first motor generator, and the first ring gear is separately connected to an output shaft; a second planetary gear set including a second carrier, a second sun gear and a second ring gear, wherein the second carrier is directly connected with the first ring gear of the first planetary gear set, the second sun gear is connected to the first brake and is selectively connected to the first motor generator and the first sun gear through a clutch, and the second ring gear is directly connected with a third ring gear of a third planetary gear set; the third planetary gear set including a third carrier, and a third sun gear and the third ring gear, wherein the third carrier and third ring gear are connected to the second planetary gear set and the the third sun gear is directly connected with a second motor generator; a second brake directly connected to the third ring gear; and the clutch configured to engage and disengage the first motor generator with the second sun gear.