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

A gear unit for a powertrain of a vehicle includes a stepped planetary gearset, a first gear shifting element and a second gear shifting element. The stepped planetary gearset has at least a first ring gear, a second ring gear and a plurality of stepped planet gears rotatably mounted at a first planet carrier. The first planet carrier drivingly connects to an electric machine. The second ring gear is connected to an output shaft of the gear unit so as to be fixed with respect to rotation relative to it. The first gear shifting element fixes the first ring gear relative to a housing in a closed state, and the second gear shifting element brings the stepped planetary gearset into direct drive in a closed state. One of the two gear shifting elements is in the closed state for driving the output shaft in rotation.

A powertrain of a vehicle includes a stepped planetary gearset, a first gear shifting element and a second gear shifting element. The stepped planetary gearset has a first sun gear and a second sun gear, a first ring gear and a plurality of stepped planet gears rotatably mounted at a first planet carrier. The first ring gear is configured to drivingly connect to an electric machine. The first planet carrier is connectable to an output shaft of the gear unit to be fixed with respect to relative rotation. The first gear shifting element is configured to fix the second sun gear relative to a housing in a closed state, and the second gear shifting element is configured to fix the first sun gear relative to the housing in a closed state. One of the two gear shifting elements is in the closed state for driving the output shaft in rotation.

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 powertrain for a motorized vehicle includes a motor shaft connected to a motor, a first input shaft configured to be selectively connected to the motor shaft and provided with a first driving gear mounted on the first input shaft, a second input shaft configured to be selectively connected to the motor shaft and provided with a second driving gear mounted on the second input shaft, a planetary gear set connected to the first input shaft and mounted so as to allow power from the motor shaft to be supplied via a plurality of paths, a first driven gear mounted to a differential and configured to mesh with the first driving gear, and a second driven gear mounted to the differential and configured to mesh with the second driving gear.

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 transmission may include an input shaft, a first output shaft, a second output shaft, a first planetary gearset, and a second planetary gearset connected to the first planetary gearset. Optionally, the input shaft is connected to a first element of the first planetary gearset for conjoint rotation, the first output shaft is connected to a second element of the first planetary gearset for conjoint rotation, and the second output shaft is connected to a third element of the second planetary gearset for conjoint rotation. A third element of the first planetary gearset may be connected to a first element of the second planetary gearset via a shaft for conjoint rotation, and a second element of the second planetary gearset may be fixed in place on a non-rotating component.

A drive axle of a vehicle includes an electric motor having an output shaft. At least one of a gear and a planetary gear set is operably connected to the output shaft of the electric motor. The at least one of the gear and the planetary gear set is operably connected to a differential configured to transfer torque to two axle half shafts of the vehicle. At least one clutch configured to facilitate a plurality of gear ratios between the electric motor and the differential.

A transmission may include an input shaft, a first output shaft, a second output shaft, a first planetary gearset, and a second planetary gearset connected to the first planetary gearset, where the planetary gearsets each comprise numerous elements. The input shaft, the two output shafts, the planetary gearsets, and their elements may be arranged and designed such that a torque input via the input shaft is converted and distributed in a defined ratio to the two output shafts, and the formation of a combined torque is prevented. At least a third element of the first planetary gearset may be connected to a first element of the second planetary gearset via a shaft for conjoint rotation.

A transfer case having, a transmission mount, an input shaft received through the transmission mount, an electric propulsion motor, a transfer case portion and a transmission portion. The transfer case portion has a transfer case portion input, a first transfer case portion output, a second transfer case portion output, and a power transfer mechanism, the first transfer case portion output being drivingly coupled to the transfer case input portion, the power transfer mechanism drivingly coupling the second transfer case portion output to the first transfer case output portion. the transmission portion has a first coupling, which is selectively operable for drivingly connecting the input shaft to the transfer case portion input, and a second coupling that is selectively operable for drivingly connecting a rotor of the electric propulsion motor to the transfer case portion input.