The disclosure relates to a transmission comprising an input shaft, a first output shaft, a second output shaft, a first planetary gear set, and a second planetary gear set which is connected to the first planetary gear set. Each of the planetary gear sets comprises multiple elements. The input shaft, the two output shafts, the planetary gear sets, as well as the elements thereof are arranged and designed such that—a torque introduced via the input shaft is converted and is distributed to the two output shafts in a defined ratio, and the development of a sum torque is prevented. At least one element of the first planetary gear set is rotationally fixed to another element of the second planetary gear set. Another element of the second planetary gear set is secured to a rotationally fixed component.

The disclosure relates to a transmission comprising an input shaft, a first output shaft, a second output shaft, a first planetary gear set, and a second planetary gear set which is connected to the first planetary gear set. Each of the planetary gear sets comprise multiple elements, wherein the first output shaft is rotationally fixed to a second element of the first planetary gear set, the second output shaft is rotationally fixed to a third element of the second planetary gear set, a third element of the first planetary gear set is rotationally fixed to a first element of the second planetary gear set via a shaft, and a second element of the second planetary gear set is secured to a rotationally fixed component. The transmission additionally comprises a third planetary gear set comprising three elements and two shift elements, wherein a first shift element is designed to block the third planetary gear set by connecting two elements of the third planetary gear set in a rotationally fixed manner, a second shift element is designed to secure a first element of the third planetary gear set to the rotationally fixed component, a second element of the third planetary gear set is rotationally fixed to the first element of the first planetary gear set via an intermediate shaft, and a third element of the third planetary gear set is rotationally fixed to the input shaft.

The invention relates to a spur gear differential (1), in particular for motor vehicles, comprising a planet carrier (2) for circulating about a differential axis (X), a first output spur gear (3), which is arranged coaxially to the differential axis (X), a second output spur gear (4), which is likewise arranged coaxially to the differential axis (X), and at least one pair (5) of planet gears (6, 7) that mesh with one another, said pair being rotatably arranged in the planet carrier (2), each planet gear (6, 7) meshing with one output spur gear (3, 4). At least one of the output spur gears (3, 4) and/or of the planet gears (6, 7) is conically toothed in such a way that, when the planet gears (6, 7) rotate relative to one another, the at least one of the output spur gears (3, 4) and/or of the planet gears (6, 7) is moved into a position in which a blocking effect is brought about. The invention further relates to a corresponding method for producing a spur gear differential (1) of this type.

A transmission with a differential locking unit which comprises an input shaft (10), first and second output shafts (11, 12), and first and second planetary gear sets (P1, P2). Torque introduced, via the input shaft (10), is converted and distributed to the two output shafts (11, 12) in a defined ratio, and development of a sum torque is prevented. The differential locking unit comprises an epicyclic gearing (P3) as well as a switching element (B 1). The epicyclic gearing (P3) has at least three connection shafts (3), a first connection shaft (WI) is rotationally fixed to a linking shaft (3), a second connection shaft (W2) is rotationally fixed to the second element (E21) of the first planetary gear set (PI), which is rotationally fixed to the first output shaft (11). A third connection shaft (W3) can be secured to a rotationally fixed component (GG) by the switching element (B 1).

A gear unit includes: a stepped planetary gearset, and first and second gear shifting elements. The stepped planetary gearset has first and second sun gears, a first ring gear and a plurality of stepped planet gears rotatably mounted at a first planet carrier. The first ring gear is connected to an output shaft of the gear unit thus being fixed with respect to rotation relative to it. The first planet carrier is connected to a housing and fixed with respect to rotation relative to it. The first gear shifting element drivingly connects the second sun gear to an electric machine in a closed state, and the second gear shifting element drivingly connects the first sun gear to an electric machine in a closed state. One of the two gear shifting elements is in the closed state for driving the output shaft in rotation.

A power transmission device includes a motor, a first planetary reduction gear connected downstream of the motor, a second planetary reduction gear connected downstream of the first planetary reduction gear, a differential gear connected downstream of the second planetary reduction gear, a drive shaft connected downstream of the differential gear, and a case member. The drive shaft penetrates an inner circumference of a rotor of the motor, an inner circumference of a sun gear of the first planetary reduction gear, and an inner circumference of a sun gear of the second planetary reduction gear. A portion of the differential case positioned between the first planetary reduction gear and the second planetary reduction gear is supported at an inner circumference side of a portion of the case member with a first bearing being interposed.

A gear unit includes an input shaft, output shafts and a differential having two planetary gearsets with a plurality of gearset elements. A first gearset element is connected to the input shaft, a second gearset element is connected to the first output shaft, and a third gearset element is connected to a gearset element of the second planetary gearset. A second gearset element of the second planetary gearset is connected to a housing, and a third gearset element of the second planetary gearset is connected to the second output shaft. A first output torque transmittable to the first output shaft. The gearset elements of the first planetary gearset and second planetary gearset have a helical toothing such that a torque is transmittable between the two output shafts.

The present invention relates to a variable torque differential, and in particular to an automotive differential, for transferring a rotational force from an input member, for example connected to an automotive engine, to a first and a second output member, for example half-shafts of a drive axle of a vehicle. The differential thereby comprises a first gear connected to the first output member, a second gear connected to the second output member, and at least one third gear system comprising gears and freewheel gears.

The invention relates to a spur gear differential (1), in particular for motor vehicles, comprising a planet carrier (2) for circulating about a differential axis (X), a first output spur gear (3), which is arranged coaxially to the differential axis (X), a second output spur gear (4), which is likewise arranged coaxially to the differential axis (X), and at least one pair (5) of planet gears (6, 7) that mesh with one another, said pair being rotatably arranged in the planet carrier (2), each planet gear (6, 7) meshing with one output spur gear (3, 4). At least one of the output spur gears (3, 4) and/or of the planet gears (6, 7) is conically toothed in such a way that, when the planet gears (6, 7) rotate relative to one another, the at least one of the output spur gears (3, 4) and/or of the planet gears (6, 7) is moved into a position in which a blocking effect is brought about. The invention further relates to a corresponding method for producing a spur gear differential (1) of this type.

A transmission device for a motor vehicle, having an input shaft, which is operatively connectable to a drive device of the motor vehicle, and a first output shaft and a second output shaft, and comprising a spur gear differential transmission which is designed as a planetary transmission, by means of which the input shaft is coupled to the first output shaft and the second output shaft. It is provided that the spur gear differential transmission comprises a first sun gear coupled to the first output shaft and a second sun gear coupled to the second output shaft, wherein the first sun gear meshes with a first planet gear which is rotatably mounted on a planet gear carrier coupled to the input shaft, which first planet gear also meshes with a second planet gear which is likewise rotatably mounted on the planet gear carrier and which meshes with the second sun gear.