Patent ID: 7311015
Filing Date: 2007-12-25
Classification: F16H,Y10T

Abstract:
1. Multistage transmission for an internal combustion engine comprising, a drive shaft, a driven shaft on which engaged gearwheels are arranged to achieve different gear steps, clutches arranged to be actuated via shift forks to move speed gears and to generate a frictional connection with the drive shaft, and an arrangement to effect gear change, wherein gear pairs for the even gears and the odd gears are arranged side by side to comprise a dual clutch gear set, and shifter shafts are operable via at least one of a common selector control system and a gearshift control system configured to implement an H-shift pattern for actuating the clutches of the even and odd gears, wherein the gearshift control system includes a gate element connected to the arrangement to effect gear change having at least one guide track, and for each of the shifter shafts a lever idler system, one end of which is coupled to the gate element and another end of which is coupled to the shifter shafts.