Patent ID: 8449420
Filing Date: 2013-05-28
Classification: B60K,F16H,Y02T

Abstract:
1. A power train for a hybrid vehicle comprising: a first planetary gear set including rotary elements; a second planetary gear set including rotary elements at least one of which is connected with at least one of the rotary elements of the first planetary gear set wherein the first planetary gear set and the second planetary gear set are coaxially arranged and one rotary element of the first planetary gear set is directly connected with one rotary element of the second planetary gear set; a first clutch that is configured to connect/disconnect one of the rotary elements of the first planetary gear set with/from one of the rotary elements of the second planetary gear set, wherein the first clutch is connected with a different rotary element of the first planetary gear set and a different rotary element of the second planetary gear set than the rotary elements that are directly connected between the first planetary gear set and the second planetary gear set; a second clutch that is configured to connect/disconnect the rotary elements of the first planetary gear set; an engine and a first motor generator connected to the first planetary gear set, wherein the engine is connected with the rotary element, which is directly connected to the second planetary gear set, of the first planetary gear set; a second motor generator connected to the second planetary gear set, wherein the first motor generator and the second motor generator are coaxially arranged; and an output element connected directly to one rotary element, which is not connected with the engine and the first clutch, of the second planetary gear set.