Patent ID: 6083135
Filing Date: 2000-07-04
Classification: F16H

Abstract:
A multiple-speed transmission for a motor vehicle, comprising:an input;an output;a first gearset having a first sun gear, a first ring gear, a first carrier, a first planet pinion set rotatably supported on the first carrier and driveably engaged with the first sun gear and first ring gear;a second gearset having a second sun gear, a second ring gear driveably connected to the first carrier, a second carrier, a second planet pinion set rotatably supported on the second carrier and driveably engaged with the second sun gear and second ring gear;a third gearset having a third sun gear driveably connected to the second sun gear, a third ring gear driveably connected to the second carrier, a third carrier driveably connected to the output, a third planet pinion set rotatably supported on the third carrier and driveably engaged with the third sun gear and third ring gear;means for driveably connecting the input and first sun gear;a first clutch for alternately driveably connecting and disconnecting the first ring gear and second carrier;a second clutch for alternately driveably connecting and disconnecting any two of the group consisting of the first sun gear, first carrier and first ring gear;a third clutch for alternately driveably connecting and disconnecting the second carrier and input;a first brake for alternately holding against rotation and releasing the first ring gear; anda second brake for alternately holding against rotation and releasing the second and third sun gears.