Patent ID: 7140461

Claim:
A vehicle comprising: a first prime mover; a first output shaft; a second output shaft; and a first planetary gear assembly including: a first sun gear; a first ring gear; and a first plurality of planetary gears supported between the first ring gear and the first sun gear by a first carrier, wherein one of the first sun gear and the first ring gear is coupled to the first prime mover, wherein the other of the first ring gear and the first sun gear is coupled to the first output shaft and wherein the first carrier is coupled to the second output shaft; a second prime mover; a first motor generator; and a second planetary gear assembly including: a second sun gear; a second ring gear; and a second plurality of planetary gears between the second ring gear and the second sun gear and supported by a second carrier, wherein one of the second sun gear and the second ring gear is coupled to the second prime mover, wherein the other of the second ring gear and the second sun gear is coupled to the first motor generator, and wherein the second carrier is coupled to the second output shaft.