Patent ID: 7442143

Claim:
A drive module for a variable torque distribution in the driveline of a motor vehicle, comprising: a first shaft which is rotatably supported around an axis of rotation (B) relative to a stationary housing; a second shaft which is coaxially arranged relative thereto and which is drivingly connected to the first shaft; a transmission stage arranged in a torque flow between the first shaft and the second shaft, said transmission stage having a carrier element which carries at least one planetary gear and which is able to rotate around the axis of rotation (B); a multi-plate coupling axially supported in the housing and selectively coupling the carrier element relative to the housing, such that, when coupled, torque is transmitted from one of the first or the second shaft to the other one of the first or the second shaft; wherein the housing, the first shaft, the second shaft, the transmission stage and the coupling form part of a unit, and wherein an attaching mechanism is provided at the housing for attaching the unit to a drive; wherein the transmission stage comprises a first sun gear which is connected to the first shaft in a rotationally fixed way and which engages a first toothed portion of the at least one planetary gear; and a second sun gear which is connected to the second shaft in a rotationally fixed way and which engages a second toothed portion of the at least one planetary gear; wherein the first and the second toothed portion of the at least one planetary gear are identical in design, and wherein the first and the second sun gear comprise different numbers of teeth relative to one another.