Patent ID: 7083540
Filing Date: 2006-08-01
Classification: F16H

Abstract:
1. A multiple speed power transmission, comprising: an input shaft; a layshaft disposed parallel to the input shaft; a pair of drive elements including a first element secured to the input shaft, and a second element journalled on the layshaft and driveably connected to the first element; a first coupler secured to the layshaft for releasably coupling the second element and the layshaft; an output; a planetary gear unit driveably connecting the layshaft and the output, including a sun gear secured to the layshaft, a ring gear surrounding the sun gear and fixed against rotation, a carrier driveably connected to the output, and a set of planet pinions meshing with the sun gear and ring gear and rotatably supported on the carrier; an input; a second input shaft; a clutch driveably connected to the input and input shaft, for alternately connecting and disconnecting the input and the input shaft; a second clutch driveably connected to the input and second input shaft, for alternately connecting and disconnecting the input and the second input shaft; and a second pair of drive elements including a third element secured to the second input shaft, and a fourth element journalled on the layshaft and driveably connected to the third element; and a second coupler secured to the layshaft for releasably coupling the fourth element and the layshaft.