An electric powertrain includes an electric machine having a rotor shaft supported for rotation about an axis. A planetary gearset is supported about the axis and includes a sun gear assembly having a sun shaft with a first end connected to the rotor shaft, a second end having a sun gear, and an inner bearing seat disposed therebetween. The planetary gearset further includes a planet carrier having planet gears and defining an outer bearing seat. At least one of the planet gears meshes with the sun gear. The planetary gearset also includes a ring gear meshing with at least one of the planet gears. A sun bearing is supported about the axis and includes an outer race disposed on the outer bearing seat, an inner race disposed on the inner bearing seat, and a plurality of spherical roller elements disposed between the inner and outer races.

An electric powertrain includes an electric machine having a rotor shaft supported for rotation about an axis. A planetary gearset is supported about the axis and includes a sun gear assembly having a sun shaft with a first end connected to the rotor shaft, a second end having a sun gear, and an inner bearing seat disposed therebetween. The planetary gearset further includes a planet carrier having planet gears and defining an outer bearing seat. At least one of the planet gears meshes with the sun gear. The planetary gearset also includes a ring gear meshing with at least one of the planet gears. A sun bearing is supported about the axis and includes an outer race disposed on the outer bearing seat, an inner race disposed on the inner bearing seat, and a plurality of spherical roller elements disposed between the inner and outer races.

An exemplary differential apparatus for a vehicle includes: a compound planetary gear set and a planet carrier. In particular, the compound planetary gear set is formed as a combination of first and second planetary gear sets, the first planetary gear set is formed as a single pinion planetary gear set having a first sun gear and a plurality of first pinion gears, and the second planetary gear set is formed as a double pinion planetary gear having a second sun gear disposed coaxially and in parallel with the first sun gear, the plurality of first pinion gears shared with the first planetary gear set, and a plurality of second pinion gears. The planet carrier has an exterior circumference connected to an external gear and is connected to first and second pinion shafts that rotatably support the first and second pinion gears of the second planetary gear set.

An exemplary differential apparatus for a vehicle includes: a compound planetary gear set and a planet carrier. In particular, the compound planetary gear set is formed as a combination of first and second planetary gear sets, the first planetary gear set is formed as a single pinion planetary gear set having a first sun gear and a plurality of first pinion gears, and the second planetary gear set is formed as a double pinion planetary gear having a second sun gear disposed coaxially and in parallel with the first sun gear, the plurality of first pinion gears shared with the first planetary gear set, and a plurality of second pinion gears. The planet carrier has an exterior circumference connected to an external gear and is connected to first and second pinion shafts that rotatably support the first and second pinion gears of the second planetary gear set.

An epicyclic gearing that includes a first set of planet gears arranged on a first planet gear plane, a second set of planet gears arranged on a second planet gear plane, and a planet carrier configured to circulate about a gear axis and including a carrier wall that extends between the first planet gear plane and the second planet gear plane in an intermediate region, and the planet carrier further includes planet pins configured to mount the first or second set of planet gears, wherein a web structure is attached to the carrier wall, wherein the web structure extends in the direction of the gear axis, wherein the web structure includes a support structure that extends radially in relation to the gear axis, and a support structure that includes a hole for receiving a section of a planet gear pin.

An epicyclic gearing that includes a first set of planet gears arranged on a first planet gear plane, a second set of planet gears arranged on a second planet gear plane, and a planet carrier configured to circulate about a gear axis and including a carrier wall that extends between the first planet gear plane and the second planet gear plane in an intermediate region, and the planet carrier further includes planet pins configured to mount the first or second set of planet gears, wherein a web structure is attached to the carrier wall, wherein the web structure extends in the direction of the gear axis, wherein the web structure includes a support structure that extends radially in relation to the gear axis, and a support structure that includes a hole for receiving a section of a planet gear pin.

An integrated planetary gearing system includes a reduction gear and a spur gear differential. First planets are arranged in a first planet plane. Second planets are arranged in a second planet plane. A planetary carrier includes a first carrier wall section, a second carrier wall section, and a third carrier wall section. The first and the second carrier wall section are spaced apart from one another axially and are formed by a base part. The third carrier wall section is formed by a cover element which is attached to the base part. The second carrier wall section carries a plurality of pockets, each receiving a planet of the second toothing plane. The cover element is attached to cover seat faces of the pocket bottoms, which cover seat faces in each case face away from the pocket interior.

An integrated planetary gearing system includes a reduction gear and a spur gear differential. First planets are arranged in a first planet plane. Second planets are arranged in a second planet plane. A planetary carrier includes a first carrier wall section, a second carrier wall section, and a third carrier wall section. The first and the second carrier wall section are spaced apart from one another axially and are formed by a base part. The third carrier wall section is formed by a cover element which is attached to the base part. The second carrier wall section carries a plurality of pockets, each receiving a planet of the second toothing plane. The cover element is attached to cover seat faces of the pocket bottoms, which cover seat faces in each case face away from the pocket interior.

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 including a spur gear differential transmission which is designed as a planetary transmission, by which the input shaft is coupled to the first output shaft and the second output shaft, An electric machine arranged coaxially to the input shaft can be coupled by a shifting device to the input shaft and/or an intermediate shaft coupled across the spur gear differential transmission to the first output shaft and the second output shaft. The electric machine is coupled across a transmission gearing to the shifting device. The transmission gearing has at least two planetary gear sets which are coupled to one another and either have identical stationary gear ratios or are within a determined stationary gear range.

A differential includes a housing, an internal gear pair having an oscillating gear A and an output gear A, an internal gear pair consisting of an oscillating gear B and an output gear B, at least two A-type intermediate gears, and at least two B-type intermediate gears. Each A-type intermediate gear is radially fixed to the housing, and an axis of rotation of each A-type intermediate gear is parallel to an axis of rotation of the housing. Each A-type intermediate gear is meshed with at least one B-type intermediate gear, and the gear ratio of each gear pair consisting of an A-type intermediate gear and a B-type intermediate gear is the same. Each A-type intermediate gear includes an eccentric shaft having an axis parallel to its axis of rotation, and the eccentric shaft on each A-type intermediate gear has the same distance from the axis of rotation of the gear.