Abstract: A control unit (7) is configured for controlling electric oil pumps of at least one towed and switched-off vehicle (3.1, 3.2, 3.3). The control unit can be configured to transfer data between the electric oil pumps and the control unit and detecting a fault in one or more electric oil pumps.

Abstract: A traction drive for propelling a vehicle includes first and second drive components (1, 1*) that generate heat during operation. A cooling system for tempering the drive components (1, 1*, 2, 2*) has a first cooling circuit (3), a second cooling circuit (4), and a heat exchanger (5). The heat exchanger (5) is designed to transfer heat between the first and second cooling circuits (3, 4). The first cooling circuit (3) passes through the first drive component (1, 1*) in order to temper the first drive component (1, 1*) and the second cooling circuit (4) passes through the second drive component (2, 2*) in order to temper the second drive component (2, 2*). A valve (36) is arranged in the first cooling circuit (3) for adjusting the flow of coolant from the first cooling circuit (3) through the heat exchanger (5).

Abstract: An electric vehicle transmission has a drive input shaft, a drive output shaft, where the input shaft is provided for coupling to an electric machine. First, second, and third planetary gearsets each comprise a first element, a second element, and a third element, respectively, in the form of a sun gear, a planetary web, and a ring gear in each case. At least functionally a first shifting element, a second shifting element, and a third shifting element are provided. The first element of the first planetary gearset is connected rotationally fixed to the drive input shaft. In addition, to produce the function of a parking brake, the third shifting element is provided, by means of which two of the elements of the second planetary gearset or of the third planetary gearset can be connected rotationally fixed to one another.

Abstract: A shifting mechanism of a transmission gearset of a vehicle has an axially displaceable sliding sleeve for transmitting torque between shift partners to produce various gear-step transmission ratios. The sliding sleeve and the shift partners are in the form of gear-step gearwheels arranged coaxially with a rotation axis. The sliding sleeve has a first toothed section and a second toothed section for the transmission of torque between the shift partners. At least one of the shift partners has a sliding gear section that can be brought into engagement with one of the toothed sections of the sliding sleeve. At least the first and second toothed sections of the sliding sleeve are each in the form of gearshift teeth. A transmission gearset is provided with a shifting mechanism of this type.

Abstract: An electric vehicle transmission has a drive input shaft, a drive output shaft, where the input shaft is provided for coupling to an electric machine. First, second, and third planetary gearsets each comprise a first element, a second element, and a third element, respectively, in the form of a sun gear, a planetary web, and a ring gear in each case. At least functionally a first shifting element, a second shifting element, and a third shifting element are provided. The first element of the first planetary gearset is connected rotationally fixed to the drive input shaft. In addition, to produce the function of a parking brake, the third shifting element is provided, by means of which two of the elements of the second planetary gearset or of the third planetary gearset can be connected rotationally fixed to one another.

Abstract: A traction drive for propelling a vehicle includes first and second drive components (1, 1*) that generate heat during operation. A cooling system for tempering the drive components (1, 1*, 2, 2*) has a first cooling circuit (3), a second cooling circuit (4), and a heat exchanger (5). The heat exchanger (5) is designed to transfer heat between the first and second cooling circuits (3, 4). The first cooling circuit (3) passes through the first drive component (1, 1*) in order to temper the first drive component (1, 1*) and the second cooling circuit (4) passes through the second drive component (2, 2*) in order to temper the second drive component (2, 2*). A valve (36) is arranged in the first cooling circuit (3) for adjusting the flow of coolant from the first cooling circuit (3) through the heat exchanger (5).

Abstract: 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.

Abstract: An auxiliary power take-off assembly in a motor vehicle transmission, which has a torque converter, a transmission input and a transmission output. The auxiliary power take-off assembly includes: an input shaft at the transmission input, and which is permanently connected to a drive motor of the motor vehicle by way of the pump shaft of the torque converter; a transmission output shaft at the transmission output; a transmission chain, which includes an input element and an output element and the output element of which can be connected to an auxiliary assembly to be driven; and a switching element, which is operatively arranged between the input shaft and the input element of the transmission chain, to selectively connect the input shaft to the output element. The output element is arranged on an output shaft, which is mounted in a bearing cap.

Abstract: A drive axle for an electric vehicle which comprises first and second electric machines (EM1, EM2), first and second drive wheels (R1, R2) and first and second two-speed transmissions (G1, G2) each having the same gear ratios. The first electric machine (EM1) drives the first drive wheel (R1) by way of the first two-speed transmission (G1) and the second electric machine (EM2) drives the second drive wheel (R2) by way of the second two-speed transmission (G2). The first and the second two-speed transmissions (G1, G2) each comprise a first planetary gearset (PS1) and a second planetary gearset (PS2) coupled to one another. The first planetary gearset (PS1) and the second planetary gearset (PS2) each comprise a web shaft (ST1, ST2), a ring-gear shaft (HR1, HR2) and a sun-gear shaft (SO1, SO2).

Abstract: An electric vehicle transmission (7) has a drive input shaft (10), a drive output shaft (11), a first planetary gearset (P1), a second planetary gearset (P2), and a third planetary gearset (P3). The drive input shaft (10) is designed to be coupled to an electric machine (6). In addition, at least functionally a first shifting element (A), a second shifting element (B), a third shifting element (C), and a fourth shifting element (D) are provided. Also disclosed is a drive system (4), a vehicle drive-train (5), and an electric vehicle incorporating an electric vehicle transmission of this type.

Abstract: An electric vehicle transmission (7) has a drive input shaft (10), a drive output shaft (11), a first planetary gearset (P1), a second planetary gearset (P2), and a third planetary gearset (P3). The drive input shaft (10) is designed to be coupled to an electric machine (6). In addition, at least functionally a first shifting element (A), a second shifting element (B), a third shifting element (C), and a fourth shifting element (D) are provided. Also disclosed is a drive system (4), a vehicle drive-train (5), and an electric vehicle incorporating an electric vehicle transmission of this type.

Abstract: 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.

Abstract: An auxiliary power take-off assembly in an automatic transmission of a motor vehicle provided with a torque converter, having a transmission input and transmission output having a drive shaft at the transmission input that is permanently connected to a drive motor of the motor vehicle via a pump shaft of the torque converter. A transmission output shaft at the transmission output, and a transmission chain includes at least one drive element and one output element. The output element can be connected to an additional unit to be driven. A switch element, which is arranged so as to act between the drive shaft and the drive element of the transmission chain for optionally connecting the drive shaft to the drive element. The drive element and the output element are designed as gearwheels which are engaged with one another without an intermediate wheel.

Abstract: A drive arrangement for an element vehicle, having first and second drive wheels (R1, R2), a first electric machine (EM1) and a second electric machine (EM2) with a common rotational axis (m), a manual 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), and the second electric machine (EM2) can, if necessary, be engaged as an additional drive.

Abstract: A drive axle for an electric vehicle which comprises first and second electric machines (EM1, EM2), first and second drive wheels (R1, R2) and first and second two-speed transmissions (G1, G2) each having the same gear ratios. The first electric machine (EM1) drives the first drive wheel (R1) by way of the first two-speed transmission (G1) and the second electric machine (EM2) drives the second drive wheel (R2) by way of the second two-speed transmission (G2). The first and the second two-speed transmissions (G1, G2) each comprise a first planetary gearset (PS1) and a second planetary gearset (PS2) coupled to one another. The first planetary gearset (PS1) and the second planetary gearset (PS2) each comprise a web shaft (ST1, ST2), a ring-gear shaft (HR1, HR2) and a sun-gear shaft (SO1, SO2).

Abstract: A transmission having planetary gearsets (RS1, RS2, RS3, RS4, RS5). Elements (ST2, ST4) of gearsets (RS2, RS4) form input and output shafts, respectively. Element (SO1) of gearset (RS1) couples element (HO5) of gearset (RS5) and can be immobilized by shift element (A). Element (ST1) of gearset (RS1) couples element (HO4) of gearset (RS4). Element (HO1) of gearset (RS1) can be immobilized by shift element (B). Elements (SO4, ST2) of gearsets (RS4 RS2) can connect by shift element (C). Elements (HO2, SO3, SO5) of gearsets (RS2, RS3, RS5) couple and can couple element (SO4) of gearset (RS4) by shift element (E). An element of gearset (RS4) is connected to an element of gearset (RS3), while another element of gearset (RS4) can be connected by shift element (D) to another element of gearset (RS3). Elements (SO2 ST5) of gearsets (RS2, RS5) are connected and can be immobilized by shift element (F).

Abstract: A drive unit for an electric vehicle, having an electric machine and a three-speed shift transmission with first, second and third shift elements, and two planetary sets which are coupled with each other. The first planetary set has a first sun gear shaft, first ring gear shaft and a first carrier shaft. The second planetary set has a second sun gear shaft, a second ring gear shaft and second carrier shaft. The first carrier shaft is fixed to the second ring gear shaft. The first sun gear shaft can be driven by an electric machine. The first ring gear shaft is fixed and output takes place via the second carrier shaft. The first shift elements are actuated to engage a first gear, the second shift elements are actuated to engage the second gear and the third shift elements are actuated to engage the third gear.

Abstract: A transmission having planetary gearsets (RS1, RS2, RS3, RS4, RS5). Elements (ST2, ST4) of gearsets (RS2, RS4) form input and output shafts, respectively. Element (SO1) of gearset (RS1) couples element (HO5) of gearset (RS5) and can be immobilized by shift element (A). Element (ST1) of gearset (RS1) couples element (HO4) of gearset (RS4). Element (HO1) of gearset (RS1) can be immobilized by shift element (B). Elements (SO4, ST2) of gearsets (RS4 RS2) can connect by shift element (C). Elements (HO2, SO3, SO5) of gearsets (RS2, RS3, RS5) couple and can couple element (SO4) of gearset (RS4) by shift element (E). An element of gearset (RS4) is connected to an element of gearset (RS3), while another element of gearset (RS4) can be connected by shift element (D) to another element of gearset (RS3). Elements (SO2 ST5) of gearsets (RS2, RS5) are connected and can be immobilized by shift element (F).

Abstract: A transmission (G) for a motor vehicle. The transmission (G) comprises a transmission input (GW1-A), a transmission output (GW2-A), first, second, third and fourth planetary gearsets (P1, P2, P3, P4) and first, second, third, fourth, fifth and sixth shift elements (B1, B2, K1, K2, K3, K4). Ten forward gears and one reverse gear can be achieved between the transmission input (GW1-A) and the transmission output (GW2-A) by selectively operating the six shift elements (B1, B2, K1, K2, K3, K4). A drive train for a motor vehicle having such a transmission (G) is also disclosed.

Abstract: A transmission (G) for a motor vehicle which has a transmission input (GW1-A), a transmission output (GW2-A), five planetary gear sets (P1, P2, P3, P4, P5) and six shifting elements (B1, B2, K1, K2, K3, B3). By selectively actuating the six shifting elements (B1, B2, K1, K2, K3, B3), ten forward gears and one reverse gear can be selected between the transmission input (GW1-A) and the transmission output (GW2-A). Further, the drive train is typically incorporated into a motor vehicle.