Patent ID: 8147367

Claim:
A power train for a hybrid vehicle, comprising: a first planetary gear set that has at least four independent rotary elements one of which is connected to an input shaft; a second planetary gear set that has a rotary element connected to an output element; a first clutch that is configured to selectively connect two rotary elements of the first planetary gear set; a second clutch that is configured to selectively connect one rotary element of the first planetary gear set and one rotary element of the second planetary gear set; a third clutch that is configured to selectively connect another rotary element of the first planetary gear set and another rotary element of the second planetary gear set; a first brake that is configured to restrain rotation of one rotary element of the second planetary gear set; a second brake that is configured to restrain rotation of another rotary element of the second planetary gear set; and at least two or more power sources that are connected to supply driving force to the first planetary gear set and the second planetary gear set.