Gearing device for a motor vehicle

Patent metadata

Field	Value
Publication number	US-10315502-B2
Application number	US-201515522027-A
Country	US
Kind code	B2
Filing date	Oct 29, 2015
Priority date	Oct 29, 2014
Publication date	Jun 11, 2019
Grant date	Jun 11, 2019

Abstract

A gearing device for a motor vehicle, which is equipped with an input shaft that can be operationally connected to a drive unit, as well as a first output shaft and a second output shaft, wherein the first output shaft is connected or can be connected via a first gear with a first partial shaft of a wheel axle and the second output shaft is operationally connected or can be operationally connected via a second gear with a second partial shaft of the wheel axle.

First claim

The invention claimed is:

1. Gearing device for a motor vehicle, comprising:
an input shaft that can be connected with a drive unit, as well as a first output shaft and a second output shaft, wherein the first output shaft is operationally connected via a first gear with a first partial shaft of a wheel axle, and the second output shaft is operationally connected via a second gear with a second partial shaft of the wheel axle,
wherein the gearing device is equipped with a differential gear by means of which the first output shaft and the second output shaft are operationally connected in a permanent manner with the input shaft, and that the gearing device is provided with an electrical engine, which can be operationally connected via a first clutch and with a first transmission ratio with the input shaft, and via a second clutch and with a second transmission ratio with a torque distribution gear of the gearing device.

2. The gearing device according to the claim 1 , wherein the differential gear is provided as a planetary gear, which is equipped with a differential gear ring wheel, with a differential gear planetary carrier and with a differential gear sun wheel, wherein the differential gear ring wheel is operationally connected directly with the input shaft, the differential gear planetary carrier is operationally connected directly with the first output shaft, and the differential gear sun wheel is operationally connected directly with the second output shaft.

3. The gearing device according to claim 1 , wherein on the differential gear planetary carrier is rotatably mounted at least one differential gear inner planetary wheel and a differential gear outer planetary gear that meshes with the differential gear inner planetary gear, wherein the differential gear outer planetary wheel meshes with the differential gear ring wheel, and the differential gear inner planetary wheel meshes with the differential gear sun wheel.

4. The gearing device according to claim 1 , wherein the torque distribution gear is connected directly with the second output shaft and operationally connected with the first output shaft via the differential gear.

5. The gearing device according to claim 1 , wherein the torque distribution gear is provided as a planetary gear that is equipped with a torque distribution gear ring wheel, with a torque distribution gear planetary carrier and with a torque distribution gear sun wheel, wherein the torque distribution gear ring wheel is connected directly with the differential gear, the torque distribution gear planetary gear is connected directly with the second output shaft, and the torque distribution gear sun wheel is operationally connected via the second clutch directly with the electrical engine.

6. The gearing device according to claim 1 , wherein on the torque distribution gear planetary carrier are rotatably arranged a torque distribution gear inner planetary wheel and a torque distribution gear outer planetary wheel that meshes with the torque distribution gear inner planetary wheel, wherein the torque distribution gear inner planetary wheel meshes with the torque distribution gear sun wheel.

7. The gearing device according to claim 1 , wherein the torque distribution gear outer planetary wheel meshes with the torque distribution gear ring wheel, or it is operationally connected with an auxiliary planetary wheel that meshes with the torque distribution gear ring wheel.

8. The gearing device according to claim 1 , wherein the differential gear and the torque distribution gear are operationally connected via an intermediate gear, which is provided as a planetary gear and equipped with an intermediate gear sun wheel, an intermediate gear planetary carrier and an intermediate gear ring wheel, wherein on the intermediate gear planetary carrier is rotatably mounted an intermediate gear planetary wheel, which meshes with the intermediate gear sun wheel and with the intermediate gear ring wheel.

9. The gearing device according to claim 1 , wherein the intermediate gear planetary carrier is operationally connected directly with the differential gear planetary carrier, and the intermediate gear sun wheel is operationally connected directly with the torque distribution ring wheel or the intermediate gear ring wheel is operationally connected directly with the torque distribution planetary carrier.

10. The gearing device according to claim 1 , wherein the torque distribution gear is designed as a planetary gear provided with a first planetary wheel and a second planetary wheel set, wherein the first planetary wheel set is provided with a first torque distribution gear ring wheel, with a first torque distribution gear planetary carrier and with a first torque distribution gear sun wheel, and wherein the second planetary wheel set is provided with a second torque distribution gear ring wheel, with a second torque distribution gear planetary carrier and with a second torque distribution gear sun wheel.

Assignees

• Audi Ag

Inventors

• Meixner Christian

Classifications

• F16H48/11

  having intermeshing planet gears · CPC title

• F16H48/10

  with orbital spur gears · CPC title

• B60Y2200/92

  Hybrid vehicles · CPC title

• B60K2006/4833

  Step up or reduction gearing driving generator, e.g. to operate generator in most efficient speed range · CPC title

• B60K6/48

  Parallel type · CPC title