Patent ID: 6022288
Filing Date: 2000-02-08
Classification: F16H

Abstract:
A transmission for a vehicle, comprising:a housing;an input shaft;an output shaft;a torque convertor connectable to an engine for transmitting engine power to the input shaft;first, second and third planetary gearsets, disposed between the input and output shafts to transmit power from the input shaft to the output shaft;a first clutch that selectively connects a sun gear of the second planetary gearset to the input shaft;a second clutch that selectively connects a planet pinion gear carrier of the first planetary gearset to the input shaft;a third clutch that selectively connects a sun gear of the first planetary gearset to the input shaft; anda fourth clutch that selectively connects a sun gear and a planet pinion gear carrier of the third planetary gearset with each other, wherein the fourth clutch is applied when the transmission is operating in fourth and fifth forward speeds.