Drive device for a motor vehicle
AssigneeAudi AG
InventorChristian Meixner
Life of this patent
Estimating the term…
Abstract
A drive device for a motor vehicle, having an electric traction machine, a torque converter, a transmission gearbox and a differential gearbox, the traction machine is propulsively connected to the differential gearbox—in the specified order—via the torque converter and the transmission gearbox. The traction machine is propulsively connected to the torque converter via a spur gear or gearless.
Claims9
A drive device for a motor vehicle, having an electric traction machine, a torque converter, a transmission gearbox and a differential gearbox, wherein the traction machine is propulsively connected to the differential gearbox via the torque converter and the transmission gearbox, in that order, wherein the traction machine is propulsively connected to the torque converter via a spur gear or gearless, wherein the transmission gearbox is designed as a planetary gear transmission and comprises a sun gear, a ring gear and at least one planet gear rotatably mounted on a planet gear carrier and in engagement with the sun gear and the ring gear, wherein the sun gear is arranged on an output side of the torque converter and the planet gear carrier is arranged on an input side of the differential gearbox, and the ring gear is fixed via a ring gear shaft arranged axially with respect to an axis of rotation of the traction machine and overlapping the traction machine in the axial direction, wherein the torque converter comprises a pump wheel driven by the traction machine, a turbine wheel driven by the differential gearbox, and a guide wheel, wherein the guide wheel is arranged on a guide wheel shaft, wherein the turbine wheel is connected via an output shaft to the transmission gearbox, and wherein the guide wheel shaft is configured as a hollow shaft and receives a differential gearbox output shaft of the differential gearbox.
A drive device for a motor vehicle, having an electric traction machine, a torque converter, a transmission gearbox and a differential gearbox, wherein the traction machine is propulsively connected to the differential gearbox via the torque converter and the transmission gearbox, in that order, wherein the traction machine is propulsively connected to the torque converter via a spur gear or gearless, wherein the transmission gearbox is designed as a planetary gear transmission and comprises a sun gear, a ring gear and at least one planet gear rotatably mounted on a planet gear carrier and in engagement with the sun gear and the ring gear, wherein the sun gear is arranged on an output side of the torque converter and the planet gear carrier is arranged on an input side of the differential gearbox, and the ring gear is fixed via a ring gear shaft arranged axially with respect to an axis of rotation of the traction machine and overlapping the traction machine in the axial direction, wherein the torque converter comprises a pump wheel driven by the traction machine, a turbine wheel driven by the differential gearbox, and a guide wheel arranged on a guide wheel shaft, wherein the ring gear shaft is arranged coaxially with the guide wheel shaft, and wherein the guide wheel shaft is received by an input shaft of the torque converter configured as a hollow shaft.
Dependencies are inferred from the claim text.