Abstract: A gear unit for a motor vehicle electric drive system, has a housing with a middle portion and a first and second axial end portions. The middle portion receives an electric machine. A differential gear is arranged in the second end portion of the housing. The differential gear is connected on the drive side to a first planetary gearset and on the driven side to a first output shaft and second output shaft arranged coaxial to one another. The second output shaft is a hollow shaft, and the first output shaft extends into the second output shaft. A first bearing for rotatable support of the second output shaft is arranged radially between the second output shaft and a structural component of the gear unit, and a second bearing for the rotatable support of the two output shafts is arranged between the first output shaft and second output shaft.

Abstract: An electric transmission (16) for a motor vehicle drive train (12) includes a transmission input shaft (24) for operatively connecting the electric transmission to an electric prime mover (14), a reduction gear (26) for reducing a rotational speed of the electric prime mover, a transmission (28) for establishing gear steps, including a first planetary gear set (RS1) and a second planetary gear set (RS2), a first output shaft (34) and a second output shaft (36) for transmitting drive power from the electric transmission, and a plurality of shift elements (B, C, D) for engaging the gear steps. A planet carrier of the first planetary gear set is drivingly connected to a planet carrier of the second planetary gear set, and a sun gear of the first planetary gear set is drivingly connected to a ring gear of the second planetary gear set.

Abstract: The relates to a method for producing and machining a cylindrical hollow body constructed of aluminium or an aluminium alloy and for arranging said hollow body in a motor vehicle transmission. The hollow body is produced by a casting process such that the hollow body has an inner and an outer lateral surface and has teeth in at least one sub-region of the inner lateral surface. For machining, the hollow body is centrally clamped. The hollow body is arranged in the vehicle transmission by tooth flanks of the internal teeth. In the disclosed method according to the disclosure, the hollow body is centrally clamped at a tip diameter of the internal teeth. The disclosure further relates to a corresponding cylindrical hollow body and to a corresponding vehicle transmission.

Abstract: A hybrid module having a damper hub connected to an internal combustion engine, a housing, a clutch, an electric machine which has a rotor and a stator connected to the housing, a torque converter has a converter housing connected to a central hub and a turbine shaft, and an output shaft. The rotor of the electric machine is connected to the central hub or the converter housing. The turbine shaft is connected to the output shaft to be fixed with respect to rotation and the clutch is arranged between the damper hub and the torque converter The central hub is supported at the output shaft via at least one bearing and is supported at the damper hub via at least two bearings and the damper hub is supported at the housing by a bearing.

Abstract: A gear unit for a motor vehicle electric drive system, has a housing with a middle portion and a first and second axial end portions . The middle portion receives an electric machine. A differential gear is arranged in the second end portion of the housing. The differential gear is connected on the drive side to a first planetary gearset and on the driven side to a first output shaft and second output shaft arranged coaxial to one another. The second output shaft is a hollow shaft, and the first output shaft extends into the second output shaft. A first bearing for rotatable support of the second output shaft is arranged radially between the second output shaft and a structural component of the gear unit, and a second bearing for the rotatable support of the two output shafts is arranged between the first output shaft and second output shaft.

Abstract: A shaft (W) for a motor vehicle transmission (G) includes four axial bore holes (B1, B2, B3, B4) for conducting fluid within the shaft (W). A central axis of each of the four bore holes (B1, B2, B3, B4) is spaced apart from an axis of rotation (WA) of the shaft (W). A radial distance (r1) between the central axis of at least two of the four bore holes (B1, B2, B3, B4) and the axis of rotation (WA) differs from a radial distance (r2) between the central axis of one of the remaining bore holes and the axis of rotation (WA). A transmission (G) for a motor vehicle with a shaft (W) is also provided.

Abstract: A hybrid transmission arrangement for a motor vehicle (30) includes a first transmission group (12), a second transmission group (18), a third planetary gear set (PS3), and a first electric machine (EM1). The first transmission group (12) includes a first input (14), a first output (16), and a first planetary gear set (PS1). The first input (14) is connectable to an internal combustion engine (VM). The second transmission group (18) includes a second input (20), a second output (22), and a second planetary gear set (PS2). The second input (20) is connected to the first output (16) of the first transmission group (12). The third planetary gear set (PS3) includes a first element (S3;H3I), a second element (H3;S3I), and a third element (P3;P3I). The third planetary gear set (PS3) is interlockable using a first shift element (E) and arranged coaxially to a first axis (A1). The first element (S3;H3I) is connected to the first electric machine. The second element (H3;S3I) is connected to the second output (22).

Abstract: A hybrid transmission arrangement (10) for a motor vehicle (30) includes a transmission (11), a third planetary gear set (PS3), and a first electric machine (EM1). The transmission (11) includes a first input (14), which is connectable to an internal combustion engine (VM), a second output (22), a third output (23), and at least one planetary gear set (PS1, PS2). The third planetary gear set (PS3) includes a first element (S3;H3?), a second element (H3;S3?), and a third element (P3;P3?). The third planetary gear set (PS3) is interlockable using a first shift element (E) and arranged coaxially to a first axis (A1). The first element (S3;H3?) is connected to the first electric machine. The second element (H3;S3?) is connected to the second output (22) of the transmission (11). The third output (23) of the transmission (11) is connected to the first element (S3;H3?). The third element (P3;P3?) is connected to a drive output (Ab) of the hybrid transmission arrangement (10).

Abstract: A transmission (2) of a motor vehicle includes a first sub-transmission (5) including a first input shaft (7) and a countershaft (11) coupled to the first input shaft (7) via a constant ratio (ic). The transmission (2) further includes a second sub-transmission (6) including a second input shaft (8), the second sub-transmission (6) being a planetary transmission (PG) with a sun gear (24), a ring gear (22), and a carrier (23). Moreover, the transmission (2) includes an output shaft (9), and a shift element (E). The carrier (23) is coupleable to the output shaft (9) via the shift element (E), and the ring gear (22) is the second input shaft (8) of the second sub-transmission (6).

Abstract: A transmission (2) of a motor vehicle includes a first sub-transmission (5) having a first input shaft (7) and a countershaft (11) coupled to the first input shaft (7) via a constant ratio. The transmission further includes a second sub-transmission (6) having a second input shaft (8) and being a planetary transmission having a sun gear (24), a ring gear (22), and a carrier (23). The transmission also includes an output shaft (9) and an engaging device (S3). A first ratio for the second prime mover (4) is formed in a first engagement position (E) of the engaging device (S3), a second ratio for the second prime mover (4) is formed in a second engagement position (F) of the engaging device (S3), and at least one third ratio for the second prime mover (4) is formed in a third engagement position (N) of the engaging device (S3).

Abstract: A transmission (2) of a motor vehicle includes a first input shaft (7), a second input shaft (8), an output shaft (9), a first sub-transmission (5) including the first input shaft (7), and a second sub-transmission (6) including the second input shaft (8). The second sub-transmission (6) is a planetary transmission having components including a sun gear (24), a ring gear (22), and a carrier (23). Additionally, the transmission (2) includes an engaging device (S3) associated with the planetary transmission (PG). In a first engagement position (E) of the engaging device (S3), a first component (23) of the components of the planetary transmission (PG) is connected to the second input shaft (8). In a second engagement position (F) of the engaging device (S3), a second component (22) of the components of the planetary transmission (PG) is connected to the second input shaft (8).

Abstract: A transmission (G) for a motor vehicle includes an electric machine (EM), a first input shaft (GW1), a second input shaft (GW2), an output shaft (GWA), a planetary gear set (P1), a pre-ratio configured as a spur gear transmission (SRS), and at least four shift elements (A, B, C?, D). Different gears are selectable by selectively actuating the at least four shift elements (A, B, C?, D) and, in addition, in interaction with the electric machine (EM), different operating modes are implementable.

Abstract: A hybrid drive train for a motor vehicle includes a drive shaft that is connectable to an internal combustion engine, a first input shaft connected to the drive shaft or connectable to the drive shaft via a first clutch, a second input shaft, an output shaft arrangement, a first electric machine connected to the second input shaft, and a transmission arrangement that includes: (i) a first gear set plane with at least one shiftable gear set via which the first input shaft is connectable to the output shaft arrangement; (ii) a second gear set plane with at least one shiftable gear set via which the second input shaft is connectable to the output shaft arrangement; and (iii) a third gear set plane with at least one gear set via which the output shaft arrangement is connected to a power distribution unit configured for driving driven wheels.

Abstract: A hybrid transmission (20) for a motor vehicle drive train (12) with an internal combustion engine (14), a first electric prime mover (16), and a second electric prime mover (18), includes: a first transmission input shaft (24) for a first sub-transmission coaxially drivingly connectable to the internal combustion engine and/or drivingly connectable to the second electric prime mover in an axially parallel manner; a second transmission input shaft (26) for a second sub-transmission drivingly connectable to the first electric prime mover in an axially parallel manner; a countershaft (28); idler gears and fixed gears arranged in multiple gear set planes for forming gear steps; and multiple gear change devices including shift elements (A-E) for engaging the gear steps. All even gear steps are associated with one sub-transmission and all odd gear steps are associated with the other sub-transmission such that all electric-machine gear steps are power shiftable.

Abstract: A transmission arrangement (3, 8, 42, 44, 46, 48) includes at least one transmission input shaft (12, 38) and at least one countershaft (26, 28). A connecting gearwheel (24) is arranged on the countershaft (26) for connecting a differential (34). The connecting gearwheel (24) is connected to a gearwheel (22) for forming a gear step (G4).

Abstract: A hybrid transmission device (3) includes at least one drive device (EM2), a transmission (4) with a first transmission input shaft (12) and a second transmission input shaft (14) mounted on the first transmission input shaft (12). At least two gear-step gears (16, 18) are arranged on the second transmission input shaft (14), and the gear-step gear (16) of the highest gear step (G3) is arranged on the second transmission input shaft (14) in an axial direction toward an outer side (46, 50).

Abstract: The relates to a method for producing and machining a cylindrical hollow body constructed of aluminium or an aluminium alloy and for arranging said hollow body in a motor vehicle transmission. The hollow body is produced by a casting process such that the hollow body has an inner and an outer lateral surface and has teeth in at least one sub-region of the inner lateral surface. For machining, the hollow body is centrally clamped. The hollow body is arranged in the vehicle transmission by tooth flanks of the internal teeth. In the disclosed method according to the disclosure, the hollow body is centrally clamped at a tip diameter of the internal teeth. The disclosure further relates to a corresponding cylindrical hollow body and to a corresponding vehicle transmission.

Abstract: A transmission (G) for a motor vehicle includes an electric machine (EM), a first input shaft (GW1), a second input shaft (GW2), an output shaft (GWA), two planetary gear sets (P1, P2), and at least four shift elements (A, B, C, D). Different gears are selectable by selectively actuating the at least four shift elements (A, B, C, D) and, in addition, in interaction with the electric machine (EM), different operating modes are implementable.

Abstract: A transmission (G) for a motor vehicle includes an electric machine (EM), a first input shaft (GW1), a second input shaft (GW2), an output shaft (GWA), two planetary gear sets (P1, P2), and at least four shift elements (A, B, C?, D). Different gears are selectable by selectively actuating the at least four shift elements (A, B, C?, D) and, in addition, in interaction with the electric machine (EM), different operating modes are implementable.

Abstract: A hybrid transmission device (3) includes at least one drive device (EM2) and a transmission (4) with a first transmission input shaft (12) and a second transmission input shaft (14) mounted on the first transmission input shaft (12). The at least one drive device (EM2) is arranged axially parallel and is connected to a gear-step gearwheel (16) arranged on the second transmission input shaft (14).