Abstract: A hybrid drivetrain for a hybrid-drive vehicle, having a dual-clutch transmission, which can be shifted by means of shifting elements into different transmission steps, and which includes spur gearwheel sets which can be shifted via the shifting elements, and which form wheel levels, which are each associated with a first partial transmission and a second partial transmission, of which each partial transmission includes an input shaft, and the two partial transmissions comprise a common output shaft.

Abstract: A dual clutch transmission as a speed-change transmission for motor vehicles, includes two coaxially arranged input shafts, each being activatable via a clutch, an output shaft and gearwheel sets that are mounted on the shafts and can be shifted by means of shifting clutches to allow a plurality of forward gears and a reverse gear, the gearwheel sets being subdivided into a sub-transmission having the one input shaft and a sub-transmission having the other input shaft. To achieve a wider gear-ratio spread in a structurally compact construction, a shifting unit that can be shifted between two gear ratio stages is mounted upstream of the sub-transmission having the hollow input shaft.

Abstract: A hybrid powertrain for a hybrid-drive motor vehicle, with a transmission that can be shifted into different gear stages by shifting elements and can be in drive connection with an internal combustion engine via an internal combustion engine shaft, with an electric machine via an electric machine shaft, and with at least one vehicle axle via an output shaft. The internal combustion engine shaft and the electric machine shaft are arranged axially parallel to one another. The transmission is designed as a spur gear unit, in which the internal combustion engine shaft, the electric machine shaft, and the output shaft can be in drive connection with one another via spur gear sets that form gear planes and can be shifted by the shifting elements.

Abstract: A differential gearing for a motor vehicle, with a ring gear, which has an external toothing system and which can be driven by a pinion of the motor vehicle, and with a differential unit which can be driven by the ring gear for rotational speed compensation between wheels of the motor vehicle that can be driven by the pinion via the differential unit, wherein the differential unit has an internal gear which can be driven by the ring gear and has an internal toothing system, the wheels being drivable by way of said internal gear. In relation to a torque flow from the ring gear to the internal gear, a coupling device is arranged between the ring gear and the internal gear.

Abstract: A change-speed transmission for a motor vehicle. The transmission may have a first and second subtransmission, which may each have a plurality of shiftable gearwheel sets associated therewith. The subtransmissions may each have an input shaft and may have a joint output shaft. Each of the input shafts may be activated alternatingly by, respectively, a first and a second powershift clutch. A reduction gearing effectuating a transmission change may be associated with one of the subtransmissions, and the subtransmissions may be alternatingly connected by way of a third powershift clutch.

Abstract: A dual clutch transmission for a motor vehicle, with gear wheel sets, which can be engaged via shift elements and which form exactly eight wheel planes, which are associated with respectively a first sub-transmission and a second sub-transmission. Each sub-transmission has a respective input shaft and the two sub-transmissions have an output shaft, which is axis-parallel to the input shafts. The mutually coaxial input shafts can each be activated via a power-shift clutch in alternation and the even forward gears are associated with the first sub-transmission and the odd forward gears are associated with the second sub-transmission, which can be engaged when a gear shift occurs via the shift element.

Abstract: A dual clutch transmission for a motor vehicle, with gear wheel sets, which can be engaged via shift elements and which form exactly eight wheel planes, which are associated, respectively, with a first sub-transmission and a second sub-transmission, of which each sub-transmission has a respective input shaft and the two sub-transmissions have a common output shaft, which is axis-parallel to the input shafts. The mutually coaxial input shafts can each be activated in alternation via a power-shift clutch, and the even forward gears are associated with the first sub-transmission and the odd forward gears are associated with the second sub-transmission, which can be engaged when a gear shift occurs via the shift elements.

Abstract: A dual clutch transmission for a motor vehicle, with gear wheel sets, which can be engaged via shift elements and which, in particular, form eight wheel planes, which are associated with, respectively, a first sub-transmission and a second sub-transmission, each sub-transmission has a respective input shaft and both sub-transmissions have a common output shaft, wherein the mutually coaxial input shafts can each be activated in alternation via a power-shift clutch and the even forward gears are associated with the first sub-transmission and the odd forward gears are associated with the second sub-transmission.

Abstract: A dual clutch transmission for a motor vehicle. A gearwheel set switchable via switching elements, which form eight wheel planes and which are respectively assigned to a first sub-transmission and to a second sub-transmission, among which each sub-transmission is provided with an input shaft and both sub-transmissions are provided with a common output shaft. The input shafts, which are coaxial to each other, can be alternately activated via a load-shiftable clutch, and the even forward gears are assigned to the first sub-transmission, while the odd forward gears are assigned to the second sub-transmission, which are shiftable during a gear switch via the switching elements. The input shafts are free of the rotationally fixed gearwheels of the wheel planes arranged thereupon.

Abstract: A dual clutch transmission for a motor vehicle, with switchable gearwheel sets which form in particular exactly eight wheel planes (RE-1 through RE-8), which are assigned to a first and to a second sub-transmission. The sub-transmissions are provided with at least one input shaft and with a common output shaft and the input shafts can be alternately activated via a load-switchable clutch. Furthermore, the odd forward gears are assigned to the sub-transmission and even forward gears are assigned to the other sub-transmission, which are switchable by corresponding switching elements. At least one gearwheel set of one sub-transmission can be coupled with a switching element to the other sub-transmission.

Abstract: A dual clutch transmission for a motor vehicle provided with gearwheels sets that are shiftable via switching elements, which form in particular exactly eight wheel planes, which are respectively assigned to a first sub-transmission and to a second sub-transmission, among which each sub-transmission is provided with an input shaft and both sub-transmissions are provided with a common output shaft. The input shafts, which are coaxial to each other, can be alternately activated via a load-shiftable clutch, and the odd forward gears are assigned to the first sub-transmission and the even forward gears are assigned to the second sub-transmission, which can be shifted during a gear shift by means of the switching elements.

Abstract: The invention relates to a dual clutch transmission for a motor vehicle, with gear wheel sets, which can be engaged via shift elements and which, form exactly eight wheel planes, which are associated with, respectively, a first sub-transmission and a second sub-transmission, of which each sub-transmission has a respective input shaft and the two sub-transmissions have a common output shaft. The mutually coaxial input shafts can each be activated in alternation via a power-shift clutch, and the even forward gears are associated with the first sub-transmission, and the odd forward gears are associated with the second sub-transmission, which can be engaged, when a gear shift occurs, via the shift elements.

Abstract: A dual-clutch transmission for a motor vehicle, with gear wheel sets engageable via shift elements, with the gear wheel sets forming particularly precisely eight wheel planes, each of which is allocated to a first sub-transmission and a second sub-transmission, of which each sub-transmission has an input shaft and both sub-transmissions have a common output shaft. The input shafts, which are coaxial with respect to one another, can each be activated in an alternating manner via a power-shift clutch, and the even forward gears are allocated to the first sub-transmission and the odd forward gears are allocated to the second sub-transmission, which can be engaged upon a gear change by way of the shift elements.

Abstract: A dual clutch transmission for a motor vehicle, comprising gearwheel sets that can be shifted via shift elements, which form exactly eight gear stages which are assigned to a first sub-transmission and to a second sub-transmission. Each sub-transmission is provided with a joint drive shaft. The mutually coaxial input shafts can be alternately activated via a respective power-shiftable clutch, and the even forward gears are assigned to the first sub-transmission and the odd forward shifts are assigned to second transmission which can be switched over during gear shifting by the shift elements. The dual clutch transmission is provided with an intermediate gear stage which can be switched either to the first sub-transmission, or to the second sub-transmission.

Abstract: The invention relates to a speed-change gearbox for a motor vehicle, provided with shiftable gearwheel sets (gears), which are arranged in a first and in a second sub-gearbox, wherein the sub-gearboxes are provided respectively with at least one input shaft and a common drive shaft and the input shaft that can be alternately activated via a power shiftable clutch. In order to achieve a functionally expanded shifting strategy, it is proposed that at least one gearwheel set can be associated with both sub-gearboxes.

Abstract: A shifting device for a dual clutch transmission as a speed-change transmission for motor vehicles, including two coaxially arranged input shafts, each being activatable via a clutch, an axially parallel output shaft and gearwheel sets that are mounted on the shafts and can be shifted by means of shifting clutches to allow a plurality of forward gears and a reverse gear, the gearwheel sets being subdivided into a sub-transmission having the one input shaft and a sub-transmission having the other input shaft. To achieve a wider gear-ratio spread in a structurally compact construction, a planetary gear train that can be shifted between two gear ratio stages is mounted upstream of the sub-transmission having the hollow input shaft.

Abstract: A hybrid drive device for a motor vehicle includes an internal combustion engine, an electric machine, and two planetary gear trains which are shiftable into different gear stages by shifting elements and brakes and which are connectable via input elements and output elements with a driven input shaft and an output shaft and have reaction elements which can be coupled or braked. The internal combustion engine is in driving relation to a first input shaft and the electric machine is in driving relation to a second coaxial input shaft. The two planetary gear trains are coupled to each other such that via the clutches and brake shifting of four forward gears can be implemented via the internal combustion engine and shifting of three forward gears or reverse gears can be implemented via the electric machine.

Abstract: A hybrid drive device for a motor vehicle includes an internal combustion engine, an electric machine, and two planetary gear trains which are shiftable into different gear stages by shifting elements and brakes and which are connectable via input elements and output elements with a driven input shaft and an output shaft and have reaction elements which can be coupled or braked. The internal combustion engine is in driving relation to a first input shaft and the electric machine is in driving relation to a second coaxial input shaft. The two planetary gear trains are coupled to each other such that via the clutches and brake shifting of four forward gears can be implemented via the internal combustion engine and shifting of three forward gears or reverse gears can be implemented via the electric machine.

Abstract: An actuator device for a gearbox of a motor vehicle includes a plurality of selector shafts, which can each be displaced in a first direction between a plurality of selection positions and in a second direction between a plurality of shifting positions and which each have a connecting element that is operatively connected-in at least one of the selection positions with at least one selector rail of the gearbox for transferring a movement of the selector shaft in the second direction onto the selector rail. The selector shafts are mounted relative to each other so as to be movable relative to one another in the first direction and are fixed to relative to each other in the section direction, wherein the selection positions of the selector shafts are independently adjustable by means of a plurality of first adjusting elements, and wherein the selector shafts can be displaced together between the shifting positions by means of a second adjusting element.

Abstract: A dual clutch transmission as a speed-change transmission for motor vehicles, includes two coaxially arranged input shafts, each being activatable via a clutch, an output shaft and gearwheel sets that are mounted on the shafts and can be shifted by means of shifting clutches to allow a plurality of forward gears and a reverse gear, the gearwheel sets being subdivided into a sub-transmission having the one input shaft and a sub-transmission having the other input shaft. To achieve a wider gear-ratio spread in a structurally compact construction, a shifting unit that can be shifted between two gear ratio stages is mounted upstream of the sub-transmission having the hollow input shaft.