A continuously variable transmission (CVT) is provided, where the CVT has an input shaft drivable by an engine, and an output shaft connectable to a load. A variator has an input side connected to the input shaft, and an output side. The variator is adjustable so as to vary a transmission ratio between the input and output sides. A differential transmission has a first differential input element connected to the input shaft, a second differential input element connected to the output side of the variator, and first and second differential output elements. A range transmission has a first range input element, and at least one range output element connected to the output shaft. A first connecting component selectively connects the first differential output element to the first range input element. A second connecting component selectively connects the second differential output element to the first range input element. The first and second connecting components are located in a connecting space defined between the differential and range transmissions. A vehicle incorporating this CVT, and a method of operating the CVT are also provided.

An electric motor transaxle having a transaxle housing for a vehicle drive axle includes first and second axle-shafts that are configured to rotate about a common first axis. The transaxle includes a first planetary gear-set operatively connected to the first axle-shaft, configured to rotate about the first axis, and having first, second, third, and fourth members. The transaxle additionally includes a second planetary gear-set operatively connected to the second axle-shaft, configured to rotate about the first axis, and having first, second, third, and fourth members. The transaxle further includes an electric motor arranged on the first axis and configured to provide a direct electric motor torque input to each of the first and second planetary gear-sets. A vehicle drive axle for mounting in a motor vehicle and employing such an electric motor transaxle is also disclosed.

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 thata 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.

A driving system includes a drive source for driving a left drive portion and a right drive portion, a power transmission mechanism having first and second differential mechanisms each including a first rotating element, a second rotating element and a third rotating element and a switching unit. The first rotating elements of the first and second differential mechanisms are connected to each other so as to rotate in the same direction, the second rotating elements of the first and second differential elements are connected to the left drive portion and the right drive portion, respectively, and the third rotating elements of the first and second differential mechanisms are connected to each other so as to rotate in opposite directions.

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.

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 thata 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.

A trim ring gear for use in an integrated drive generator has a ring gear body extending between a first end and a second end. Outer gear teeth are formed on an outer surface, and inner gear teeth are formed on an inner surface. The outer tooth roll angle at A is between 16.0 and 17.5, at B is between 17.5 and 190, at C is between 22.0 and 23.5, and at D is between 23.0 and 24.5. The inner tooth roll angle at A is between 31.5 and 33.0, at B is between 30.0 and 31.5, at C is between 25.5 and 27.0, and at D is between 24.0 and 25.5. An integrated drive generator, and a method of replacing the trim ring gear are also disclosed and claimed.

A torque vectoring device has a downsized brake device for stopping drive wheels. The torque vectoring device comprises: a drive motor; a differential unit including a first planetary gear unit connected to a right drive wheel, and a second planetary gear unit connected to a left drive wheel; a differential motor that applies torque to any one of reaction elements; a torque reversing mechanism that transmits torque between the reaction elements while reversing; a rotary shaft connecting input elements; a rotary member that transmits torque of an output shaft of the drive motor; and a brake device that is contacted frictionally to the rotary member to establish a braking force.

To provide a variable axle driving device which can obtain a high deceleration ratio, and which can prevent noise from being easily generated. Provided is an axle driving device which includes a planet gear mechanism. The planet gear mechanism includes first planetary gears, second planetary gears, first stepped gears, and second stepped gears. A driving force is input into a larger gear of each first stepped gear. A smaller gear of each first stepped gear is meshed with a larger gear of each second stepped gear. A smaller gear of each second stepped gear is connected to a first internal gear via the first planetary gear. A larger gear of each second stepped gear is connected to a second internal gear via a second planetary gear.

A differential, a power transmission system, and a vehicle are provided. The differential includes: a first planetary carrier, a first gear ring, and a first planetary gear disposed on the first planetary carrier and meshed with the first gear ring; and a second planetary carrier, a second gear ring, and a second planetary gear disposed on the second planetary carrier and meshed with the second gear ring and the first planetary gear, in which the first gear ring and the second gear ring are configured as two power output ends of the differential, the first planetary carrier and the second planetary carrier are configured as power input ends of the differential, and a revolution radius of the first planetary gear is different from a revolution radius of the second planetary gear.