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).

Methods and systems are provided for a multi-speed transmission. The multi-speed transmission includes a housing, an electric motor with a stator and a rotor positioned within the housing, and a planetary assembly positioned on a first axial side of the electric motor. The transmission further includes a first and second clutch unit spaced away from one another, each including a synchronizer, and designed to selectively rotationally couple to the rotor and to rotationally couple the rotor to different gears in the planetary assembly and where the electric motor and planetary assembly are coaxially arranged.

A powertrain apparatus includes a motor connected to an input shaft, a first planetary gear train, which is disposed to be coaxial with the motor and which includes a first rotation element, a second rotation element, and a third rotation element, a second planetary gear train, which is disposed to be coaxial with the first planetary gear train and which includes a fourth rotation element, a fifth rotation element, a sixth rotation element, and a step pinion, and a differential gear, which is disposed to be coaxial with the second planetary gear train.

Methods and systems for nacelle door electromechanical actuation may include a power distribution unit comprising a motor and differential gears; and a plurality of electromechanical actuators, each coupled to an output of a corresponding one of the differential gears. Each of the electromechanical actuators may include a configurable brake and a mechanical output, where the power distribution unit may provide mechanical torque to one of the electromechanical actuators via the motor and the differential gears based on configuration of the configurable brakes in each of the electromechanical actuators. At least one of the configurable brakes may be an electrically configurable brake. At least one of the configurable brakes may be a mechanically configurable brake. The differential gears may include two or more differential gears for receiving an input torque and supplying an output torque to one of a plurality of outputs of the differential gears.

A drive axle of an electric vehicle has first and a second drive wheels (R1, R2) with wheel axles (a1, a2), a first electric machine (EM1) and a second electric machine (EM2) with a common rotation axis (m), a transmission (G3) with a transmission input shaft (EW) and a transmission output shaft (AW), and an axle differential (DI) with a differential input (DIK) and two differential output shafts (3a, 3b). The first electric machine (EM1) is connected to the transmission input shaft (EW) and the transmission output shaft (AW) is connected to the differential input (DIK). The second electric machine (EM2) can be connected as an additional drive when necessary.

A drive axle assembly includes a motor; a first shaft and a second shaft. A right planet row mechanism is disposed on the first shaft, and a left planet row mechanism is disposed on the second shaft. A right sun gear of the right planet row mechanism is connected with the first shaft. A left sun gear of the left planet row mechanism is connected with the second shaft. The right sun gear has a right central oil passage and a right radial oil passage. The right central oil passage is in communication with the first shaft. The left sun gear has a left central oil passage and a left radial oil passage. The left central oil passage is in communication with the second shaft. The first shaft is in communication with the second shaft to supply oil to the second shaft.

A power transmission device includes first and second drive shafts, a differential mechanism, a case, a pinion shaft, a pinion gear, and a bearing. The differential mechanism is connected to the second drive shaft. The differential mechanism includes a first side gear connected to the first drive shaft, a second side gear, first and second pinion mate gears that engage with the first and second side gears, first and second pinion mate shafts that respectively support the first and second pinion mate gears. The pinion gear includes small and large diameter gear parts. The bearing is positioned between the pinion shaft and the pinion gear, and is lubricated via an oil hole that is open facing an outside of the case at a small diameter gear part side. The small diameter gear part is positioned between the first and second pinion mate shafts in a circumferential direction.

Methods and systems are provided for an electric axle assembly. In one example, a system includes an electric axle assembly configured to receive an output of a ring gear, wherein a differential of the electric axle assembly distributes the output to wheels of a vehicle.

A gear unit for a powertrain and a powertrain including a stepped planetary gearset, a first gear shifting element and a second gear shifting element. The stepped planetary gearset has a first sun gear, a first ring gear, a second ring gear, and stepped planet gears rotatably mounted at a first planet carrier. The first ring gear is fixed with respect to rotation to an output shaft of the gear unit. The second ring gear is fixed with respect to rotation to a housing. The first gear shifting element drivingly connects the first sun gear to an electric machine in a closed state, and the second gear shifting element drivingly connects the first planet carrier to the electric machine in a closed state, and one of the two gear shifting elements is in the closed state for driving the output shaft in rotation.

Methods and systems for a clutch assembly in an electric drive axle of a vehicle are provided. In one example, a clutch assembly in a gear train is provided that includes a locking clutch. The locking clutch includes a gear including a plurality of teeth having at least one tooth with a tapered end, an indexing shaft rotationally connected to an output shaft, a shift collar mounted on the indexing shaft, configured to translate on the indexing shaft into an engaged and disengaged configuration, and including a plurality of teeth on a face, where at least one tooth in the plurality of teeth in the shift collar includes a tapered end, and an indexing mechanism coupled to the shift collar and the indexing shaft and configured to accommodate for indexing between the indexing shaft and the shift collar during shift collar engagement.