Patent ID: 8371975

Claim:
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; 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; and a first brake that is configured to restrain rotation of one rotary element of the second planetary gear set, wherein an engine, a first motor, a second motor and an output element are connected to some of the rotary elements of the first planetary gear set and the second planetary gear set, wherein the first planetary gear set and the second planetary gear set, and the first motor generator and the second motor generator are coaxially arranged, wherein one rotary element of the first planetary gear set is directly connected with one rotary element of the second planetary gear set, and the first clutch is connected with one of the other rotary elements of the first planetary gear set and one of the other rotary elements of the second planetary gear set, wherein the engine is connected with the rotary element, which is connected to the first clutch, of the first planetary gear set, the first clutch is connected to the rotary element, which is connected to the first brake, of the second planetary gear set, and the output element is connected to one rotary element, which is not connected with the first planetary gear set and the first clutch, of the second planetary gear set.