A differential gearing for a motor vehicle, with a ring gear, which has an external toothing system and which can be driven by a pinion of the motor vehicle, and with a differential unit which can be driven by the ring gear for rotational speed compensation between wheels of the motor vehicle that c
A differential gearing for a motor vehicle, with a ring gear, which has an external toothing system and which can be driven by a pinion of the motor vehicle, and with a differential unit which can be driven by the ring gear for rotational speed compensation between wheels of the motor vehicle that can be driven by the pinion via the differential unit, wherein the differential unit has an internal gear which can be driven by the ring gear and has an internal toothing system, the wheels being drivable by way of said internal gear. In relation to a torque flow from the ring gear to the internal gear, a coupling device is arranged between the ring gear and the internal gear.
대표청구항▼
1. A differential gearing for a motor vehicle, comprising: a ring gear, which has an external toothing system and which can be driven by a pinion of the motor vehicle, and with a differential unit which can be driven by the ring gear for rotational speed compensation between wheels of the motor vehi
1. A differential gearing for a motor vehicle, comprising: a ring gear, which has an external toothing system and which can be driven by a pinion of the motor vehicle, and with a differential unit which can be driven by the ring gear for rotational speed compensation between wheels of the motor vehicle that can be driven by the pinion via the differential unit, wherein the differential unit has an internal gear, which can be driven by the ring gear and has an internal toothing system, the wheels being drivable by way of said internal gear, wherein, in relation to a torque flow from the ring gear to the internal gear, a coupling device is arranged between the ring gear and the internal gear, and said coupling device can be moved between at least one coupled position, in which the internal gear is coupled to the ring gear, and at least one decoupled position, in which the internal gear is decoupled from the ring gear;wherein the differential unit is designed as a Ravigneaux set and the internal gear comprises a first planetary gear set, meshing with the internal gear; a second planetary gear set, meshing with the first planetary gear set; a first sun gear, meshing with the first planetary gear set; and a second sun gear, meshing with the second planetary gear set; and a planetary gear carrier, on which the planetary gear sets are mounted. 2. The differential gearing as claimed in claim 1, wherein the differential gearing comprises a housing, which has an uptake space in which the differential unit is accommodated, wherein the ring gear is arranged on an outer side of the housing facing away from the uptake space. 3. The differential gearing as claimed in claim 2, wherein the internal gear is drivable by the ring gear by way of the housing, wherein the ring gear is connected rotationally fixed to the housing, and the internal gear is formed separately from the housing, and wherein, in the coupled position, the internal gear is coupled to the housing, and in the decoupled position, it is decoupled from the housing. 4. The differential gearing as claimed in claim 3, wherein the ring gear is designed as a single piece with the housing. 5. The differential gearing as claimed in claim 2, wherein the internal gear is drivable by the ring gear by way of the housing, wherein the internal gear is connected rotationally fixed to the housing, and the ring gear is formed separately from the housing, and wherein, in the coupled position, the ring gear is coupled to the housing, and in the decoupled position, it is decoupled from the housing. 6. The differential gearing as claimed in claim 3, wherein the internal gear is designed as a single piece with the housing. 7. The differential gearing as claimed in claim 1, wherein at least a first one of the wheels is drivable by way of the planetary gear carrier, and at least a second one of the wheels is drivable by way of the second sun gear. 8. The differential gearing as claimed in claim 1, wherein a drive unit is provided, by means of which the first sun gear is drivable, in order to vary a torque distribution on the wheels. 9. The differential gearing as claimed in claim 1, wherein, in the coupled position (K) of the coupling device, the ring gear is coupled by means of said coupling device in positive locking with the internal gear. 10. The differential gearing as claimed in claim 1, wherein a synchronizing device is provided for synchronizing the ring gear with the internal gear when moving the coupling device from the decoupled position to the coupled position.
※ AI-Helper는 부적절한 답변을 할 수 있습니다.