99 results about "Differential transmission" patented technology

The invention provides a control method based on differential rotation speed torque distribution, which relates to the technical field of intelligent control and comprises the following steps: performing difference calculation on an initial input quantity and a preset rotation speed instruction to generate a rotation speed deviation signal and a deviation change rate, and establishing a dynamic membership function library through a fuzzy controller; mapping the rotating speed deviation and the change rate thereof into a fuzzy language variable, performing reasoning operation according to a preset fuzzy control rule base, and outputting a frequency regulation quantity and a torque compensation coefficient of the frequency converter; and reading the generated torque compensation coefficient and shaft system torque values actually measured by the two torquemeters, calculating a dynamic difference value between the current total load torque and the target torque, establishing a torque distribution weight model according to the transmission characteristics of the differential mechanism, and generating differential torque correction instructions of the two motors in combination with the real-time rotating speed values. The control performance of differential drive is improved.

The invention discloses a planetary gear train type speed reduction differential transmission mechanism and a transmission method thereof, and belongs to the technical field of speed reducers. A stator of the motor is connected with the shell, a rotor of the motor is connected with a first sun gear and arranged outside the first output shaft in a sleeving mode, the first sun gear is meshed with a first planet gear, the first planet gear is meshed with a first gear ring, the first planet gear is installed on a first planet carrier, and the first planet carrier is connected with the first output shaft. The second sun gear is meshed with the second planet gear, the second planet gear is meshed with the third planet gear, the third planet gear is meshed with the second gear ring, and the second planet gear and the third planet gear are both installed on the second planet carrier. The first gear ring is connected with the second planet carrier, and the second sun gear is connected with the second output shaft. Or the gear ring I is connected with the sun gear II, and the planet carrier II is connected with the second output shaft; the first output shaft, the second output shaft, the first planetary gear train, the second planetary gear train and the motor are coaxially arranged. The differential mechanism is compact in structure, large in transmission ratio and easy to manufacture, the differential function is achieved through the planetary gear train, and the technical bottleneck of a traditional transmission mechanism is broken through.

The invention relates to the technical field of sensor clamping devices for calibration equipment, in particular to a clamping device for calibration of an eddy current displacement sensor, which comprises a frame, a rectangular cavity is arranged in the frame, two clamping plates are symmetrically arranged on the upper side and the lower side of the rectangular cavity, and a manual driving assembly provides power to drive a differential transmission assembly. The differential transmission assembly transmits power to the lead screw driving assembly through the lead screw transmission assembly, and the two clamping plates are driven by the lead screw driving assembly to move oppositely in the rectangular cavity. When one of the two clamping plates is blocked in movement due to displacement to the position in contact with the eddy current displacement sensor, and the other clamping plate is not in contact with the eddy current displacement sensor, the power provided by the manual driving assembly can continuously drive the other clamping plate to move to the position in contact with the eddy current displacement sensor. The invention provides a clamping device capable of clamping eddy current displacement sensors of different manufacturers, different specifications and different surface conditions.

The application provides a double-motor driving and rigidity actively adjustable series elastic actuator and a control method thereof, which utilizes elastic elements to convert kinetic energy and potential energy, reduces system energy consumption, improves system energy utilization efficiency, improves dynamic performance of the actuator by introducing the elastic elements, strengthens the anti-impact capability of the system, and improves the safety of human-machine interaction; rigidity is controlled by changing the effective lever arm length between the end of the actuator and the elastic element, the deformation of the elastic element under the load of the actuator is measured, the transmission ratio of the system is calculated, the output torque is obtained, and the output force control of the actuator is further realized. The application utilizes double-motor driving and double-differential transmission mechanism to realize active adjustment of the output rigidity of the actuator system, and has a more extensive use scene and application range.

The invention belongs to the technical field of vehicle power components, and particularly relates to a differential mechanism transmission assembly and a differential mechanism. The differential mechanism transmission assembly comprises a transmission gear sleeve and two driven half axle gears in meshing transmission with the transmission gear sleeve, the transmission gear sleeve comprises a circular sleeve-shaped body, and an outer transmission structure is arranged on the outer circle face of the circular sleeve-shaped body; transmission teeth are arranged on the end faces of the two sides of the circular-sleeve-shaped body respectively, and when one transmission tooth on one end face is located on the tooth top, the transmission teeth on the same axis on the other end face are located on the tooth root. The driven half axle gear comprises a cylindrical body, an inner spline groove in matched transmission with a half axle is formed in the axial center of the cylindrical body and penetrates through the cylindrical body, driven teeth are annularly arranged on the end face of the other side of the cylindrical body, and the driven teeth on the driven half axle gear are in meshed transmission with the transmission teeth on the end face of the transmission gear sleeve. According to the device, real-time automatic switching between locking and differential speed is achieved automatically, insufficient power caused by slipping is avoided, and smooth turning of a vehicle can be guaranteed.

The invention discloses a cooling and lubricating system and method for a coaxial electric drive planetary gear reducer, the cooling and lubricating system comprises a system shell and a shafting transmission mechanism arranged in the system shell, and the shafting transmission mechanism comprises a planetary gear transmission mechanism and a differential mechanism transmission mechanism; a lubricating oil inlet mechanism is fixed to the system shell, and a shell oil channel is formed in the system shell. An oil spraying pipe is fixed in the system shell, and the shell oil channel comprises a cooling oil channel which is communicated with an oil outlet of the lubricating oil inlet mechanism and can guide lubricating oil into the oil spraying pipe. Oil spraying holes facing the planetary gear transmission mechanism and the differential mechanism transmission mechanism are formed in the oil spraying pipe. The independent oil spraying pipe is designed, a plurality of oil spraying holes which have different oil spraying angles and aim at a sun gear, a planetary gear set and a differential mechanism are designed in the oil spraying pipe, and oil is actively conveyed to friction pair meshing positions of the sun gear, the planetary gear set, the differential mechanism and the like for lubricating and cooling.

A two-gear heavy truck electric drive axle comprises a drive motor and a main shaft in transmission connection with the drive motor and further comprises a differential mechanism, the differential mechanism is in transmission connection with an output half shaft, the main shaft and the differential mechanism are in transmission connection through a gear shifting mechanism, and the gear shifting mechanism at least comprises a first-gear transmission assembly and a second-gear transmission assembly. The second-gear transmission assembly is in transmission connection with the differential mechanism, and the first-gear transmission assembly is in transmission connection with the differential mechanism through the first speed reducing mechanism. The invention provides a two-gear heavy truck electric drive axle. The high-speed gear and the low-speed gear are both connected with the differential mechanism, the high-speed gear is directly connected with the differential mechanism, high transmission efficiency is achieved, and the high-speed long-time running endurance requirement can be met; the low-speed gear is in transmission connection with the differential mechanism through the first speed reducing mechanism, and large-torque output is achieved. Therefore, efficiency and large-torque output performance are both considered, good economical efficiency is achieved, meanwhile, direct connection of an intermediate shaft system and a differential mechanism is omitted, and the space layout optimization effect is obvious.

A vehicle drive device includes: a rotating electrical machine; a differential transmission device; a power transmission device; a power module; a wiring portion; and a case. The case forms, above a plane including the axis of a rotation shaft of the rotating electrical machine and the axis of an output shaft, a first, second, and third housing portion.The first portion overlaps the rotating electrical machine as viewed in an axial direction of the rotating electrical machine, and overlaps the power transmission device as viewed in an up-down direction. The second portion overlaps the rotating electrical machine as viewed in a direction perpendicular to both the axial direction of the rotating electrical machine and the up-down direction, and overlaps the output shaft as viewed in the up-down direction. The third portion is adjacent to the first and second portions, and overlaps the output shaft as viewed in the up-down direction.

The utility model provides a same-direction parallel three-shaft differential transmission mechanism which comprises an input shaft and differential transmission output shafts, the differential transmission output shafts comprise a first output shaft, a second output shaft and a third output shaft, the second output shaft and the input shaft are coaxially arranged, and the third output shaft and the input shaft are coaxially arranged. The first output shaft and the third output shaft are horizontally installed on the two sides of the second output shaft, the transition shaft is installed below the second output shaft, the transition shaft is connected with the input shaft through the first gear transmission system, and the transition shaft is connected with the first output shaft and the third output shaft through the second gear transmission system. The input shaft drives the transition shaft to rotate through the first gear transmission system, and the transition shaft drives the first output shaft and the third output shaft to rotate through the second gear transmission system, so that the rotation directions of the first output shaft, the second output shaft and the third output shaft are the same; and the total transmission ratio of the two gear transmission systems is controlled, so that differential speeds exist among the first output shaft, the third output shaft and the second output shaft.

The invention relates to a transmission unit (7) for a motor vehicle, comprising a differential (6) with a ring gear (2) having an axis (A1) and being provided with teeth (21), and a differential case (1), the teeth being circumscribed in a peripheral tooth cylinder (C2) passing through the top of the teeth, with a radial interval (ER) left free between the peripheral tooth cylinder and the differential case, the radial interval having a minimum dimension at the location of a pump reference angle (12), characterised in that it is provided with a convergence area (11) arranged below the reference angle, according to which the radial interval decreases in the direction of the pump reference angle, and a divergence area (13) arranged above the reference angle, according to which the radial interval increases as it moves away from the pump reference angle.

A test monitor extracts waveforms from a differential transmission line of an automobile network without disrupting the differential transmission line, and stores the data decoded from the extracted waveforms. The test monitor includes a first input configured to receive a voltage waveform from a voltage probe electrically coupled to the differential transmission line that electrically connects a first ECU device and a second device, a second input configured to receive a current waveform from a current probe electrically coupled to the differential transmission line, and one or more processors configured to receive the voltage waveform and the current waveform and determine a voltage of the first ECU device and a voltage of the second device based on the voltage waveform and the current waveform. The test monitor may be embodied in an FPGA. The test monitor enables monitoring of message transfers across a network in a non-intrusive and non-invasive manner, without the necessity of using a repeater or switch.

The utility model discloses a photovoltaic robot walking chassis, including power element, provides first rotation drive force, and the rotation output shaft of first rotation drive force points to ground direction, power element is connected with drive steering element, and first rotation drive force changes as the second rotation drive force of rotation output shaft parallel ground direction through drive steering element, drive steering element is connected with differential transmission assembly, and differential transmission assembly changes as the third rotation drive force of rotation output shaft vertical to first rotation drive force and second rotation drive force with second rotation drive force, and third rotation drive force drives the rotation of output shaft rotation connected in differential transmission assembly, the utility model drives the power through multiple commutation, makes power element compact arrangement of angle adjustment, reduces the device volume, and has the walking wheel of differential rotation, when encountering irregular protruding object, does not appear single wheel suspension and leads to drive power loss, and improves the obstacle crossing ability and whole structural reliability.

A differential transmission for a vehicle is provided. The differential transmission (3) for a vehicle (1) includes a first output shaft (5), a second output shaft (6), a first planetary gear set (10), a second planetary gear set (20), and a fixed member (31). The first planetary gear set (10) includes a first sun gear (11), a first carrier (12), first planetary gears (13), and a first ring gear (14). The second planetary gear set (20) includes a second sun gear (21), a second carrier (22), second planetary gears (23), and a second ring gear (24). The first planet carrier (12) is connected to the first output shaft (5) by an anti-torque connection (30). The second ring gear (24) is connected to the second output shaft (6). The first ring gear (14) is rotationally fixed to the second sun gear (21). The second planet carrier (22) is supported at the fixed member (31). The first planet carrier (12) is rotatably supported at the fixed part (31) by a support (40). The support (40) of the first planet carrier (12) is arranged opposite the anti-torque connection (30) in the axial direction with respect to the first planet gear (13).

The present invention relates to a drive arrangement (1) for a vehicle. It comprises a drive shaft (35), a gear transmission (3; 3') with at least one gear, a differential input shaft (34), a differential transmission (4; 4'), a first and a second output shaft (6, 7), and a parking lock device (5; 5'; 5"). The drive shaft (35) is mechanically operatively connectable to a drive device (2) for driving the drive arrangement (1). A torque of the drive device (2) is transmittable to the first and second output shafts (6, 7) via the drive shaft (35), the gear transmission (3; 3'), the differential input shaft (34), and the differential transmission (4; 4'). The gear transmission (3; 3') has a shifting device (8) for shifting the at least one gear.The parking lock device (5; 5'; 5") is arranged in a radial direction (R) within the switching device (8) and overlaps at least partially with the switching device (8) in an axial direction (A).

A differential transmission for a vehicle includes a first output shaft, a second output shaft, a first planetary gearset, a second planetary gearset, a sun ring gear, and a stationary component. A first planet carrier of the first planetary gearset is connected with the first output shaft by a torque-proof connection. A second ring gear of the second planetary gearset is torque-proofly connected with the second output shaft. The sun ring gear forms a first ring gear of the first planetary gearset at an inner circumference and a second sun gear of the second planetary gearset at an outer circumference. A second planet carrier of the second planetary gearset is supported at the stationary component. A first planet carrier of the first planetary gearset is rotatably supported at the stationary component by a support. The support of the first planet carrier is arranged opposite the torque-proof connection in an axial direction with respect to a first planet gear.

The invention relates to the technical field of vehicle-mounted controller flashing, in particular to a vehicle-mounted controller non-inductive silent flashing method, system and device based on a double-partition architecture and a medium, and the method comprises the steps: pre-downloading a to-be-upgraded firmware package, a digital signature and a signature verification public key to the local in a vehicle networking state; automatically triggering a process based on a vehicle state or a cycle time; after triggering, performing primary asymmetric signature verification on the firmware package; after passing, writing the differential data block into a backup partition of the controller by adopting a block differential transmission and verification mechanism; after writing is completed, secondary asymmetric signature verification is carried out on the complete firmware image in the backup partition; and after the starting configuration is updated, the controller is automatically switched to the backup partition for operation when the controller is powered on next time. According to the method, a user does not perceive the upgrading process, and the safety and the efficiency are improved through double signature verification and differential writing.

The present application relates to gasoline generator technical field, specifically, a kind of gasoline combustion optimization's generator set, including unit assembly, gasoline engine and gasoline generator being arranged in its interior, the end of gasoline generator rotor away from gasoline engine is fixed with extension shaft, gear set is arranged in the other end of extension shaft, the bottom of gear set is connected with driving shaft by speed increasing transmission, the outside of driving shaft is fixed with separation part, the top of the middle part of the taper surface of separation part is provided with feed pipe, the bottom of separation part is engaged with transmission wheel, the outside of the bottom end of transmission wheel is differentially connected with discharge part;Separation part, it is rotated by using the power of the rotation of gasoline generator rotor to drive gasoline and lubricating oil to form oil mixture and rotate, the different density of the two is used to separate them after the flowability of oil mixture and rotation is increased by centrifugal force, while cooperating with discharge part, the lubricating oil separated at the edge of separation part is quickly removed from separation part by differential guide.

Disclosed is a drive train having a drive shaft of a driven machine, a drive machine, and a differential transmission with three drives or outputs, wherein one output can be connected to the drive shaft, a first drive can be connected to the drive machine, and a second drive can be connected to a differential drive. The differential drive is connected to the second drive via an adjusting gear system with gears, and the drive shaft is connected to the output via an output gear system with gears. Viewed from the drive machine in the direction of the axis of the drive shaft, the gears of the adjusting gear system project at least as far as into the area of the gears of the output gear system.

The utility model discloses a double-flow transmission mechanism with randomly adjustable turning radius, which comprises two groups of differential transmission components which are symmetrically arranged, and each differential transmission component consists of a shell structure and a gear mechanism. In addition, the device further comprises a driving motor A, a driving motor B and a split-flow transmission mechanism, the driving motor A is in power connection with the shell mechanism, the driving motor B is connected with the split-flow transmission mechanism, and the split-flow transmission mechanism is connected with the two gear mechanisms. The shunting transmission mechanism is composed of a spline shaft, a spline sleeve, a locking head, a locking groove, a supporting spring and an electric telescopic cylinder. The spline shaft is connected with the driving motor B. The locking head is in sliding fit with the spline sleeve, the supporting spring stabilizes the position of the locking head, and the electric telescopic cylinder is used for adjusting the position of the spline sleeve. By means of the mechanism, the crawler can accurately adjust the turning radius according to actual requirements, the problems that in the prior art, the turning radius cannot be adjusted, and steering is inaccurate are solved, and maneuverability, flexibility and stability under complex working conditions are remarkably improved.

The utility model belongs to the technical field of differential mechanisms, and particularly relates to a novel anti-slip automobile differential mechanism transmission structure which comprises an automobile differential mechanism body composed of a differential mechanism outer shell, an input shaft, a driving bevel gear, an output shaft, a side face bevel gear, a sun bevel gear, a fixing frame and a planet bevel gear and further comprises an anti-slip mechanism. The hydraulic cylinder is fixed to the inner wall of the differential mechanism outer shell. The driving disc is fixed at the end part of a piston rod of the hydraulic cylinder; a driven disc and a friction plate are respectively fixed at two ends of the push rod; a first guide rod; the first telescopic spring is arranged on the first guide rod in a sleeving mode and located between the driving disc and the driven disc; the base friction force is provided through the first telescopic spring, the distance between the driving disc and the driven disc can be adjusted after the hydraulic cylinder is started, the friction force can be adjusted, adjustment can be achieved according to different scenes, the application range is wide, and the anti-skid effect is good.

Electric drive for a mobile vehicle with an electric motor (1) which drives two outputs (10, 11) via a spur gear transmission (3, 4, 6, 7) and a differential transmission (9), characterized in that a housing encloses the differential transmission (9), the spur gear transmission (3, 4, 6, 7) and the motor (1), wherein the housing consists of three main housing parts (12, 13, 14), wherein a middle housing part (12) has a cylindrical extension (15) in which the electric motor (1) is arranged, which is closed at one end with a cover-shaped housing part (13) and has at the other end an extension (16) arranged parallel to the cylindrical extension (15) in which the differential transmission (9) and the spur gear transmission (3, 4, 6, 7) are arranged, and this extension (16) is closed with a further cover-shaped housing part (14), characterized in thatthat a motor shaft (2) and a first spur gear (3) are integrally connected.

The invention relates to a differential transmission (1) for a vehicle (100), comprising: a drive shaft (2) designed to be operatively drivingly connected to an electric machine (3); a first output shaft (4.1) and a second output shaft (4.2), each configured to be operatively drivingly connected to a wheel (R1, R2) of the vehicle (100); at least one first planetary gear set (5) having a first sun shaft (5.1), a first ring gear shaft (5.2) and a first planet carrier shaft (5.3), exactly one of the shafts of the first planetary gear set (5) being rotationally fixedly connected to exactly one of the two output shafts (4.1); the oil collecting device (6) is rotationally and fixedly connected to the first planet carrier shaft (5.3); and an oil supply device (7) arranged on the stationary part and having at least one channel (9) for supplying lubricant to the oil collection device (6) via the non-rotating part. The invention also relates to a drive unit having an electric machine (3) and a differential transmission (1).

The utility model provides a kind of compound planetary gear box belongs to gear box technical field.The compound planetary gear box, including gear box, planet carrier, sun gear shaft and wheel system;Gear box front side is equipped with T type box front cover, rear end is equipped with box rear cover;Front cover tail end installs front cover inner gear ring, rear cover front side installs rear cover inner gear ring, the inner diameter of two inner gear rings is different and is positioned axially by ball cooperation through V type groove;Planet carrier is formed by bolt connection by front frame body and rear cover plate, and interval column forms overhead space;Sun gear of center gear shaft is engaged with compound planetary gear, and compound planetary gear is integrated by small diameter first gear and large diameter second gear through connecting pin, is engaged with front, rear cover inner gear ring respectively, and forms differential transmission;Box front and rear cover are equipped with sector heat dissipation window and promote heat dissipation efficiency.The utility model has the advantages of simplifying assembly process, enhancing operation stability, realizing efficient differential output.

The invention relates to an electric drive (10) for a motor vehicle, having a housing (12), having a first planetary gear set (18) arranged in the housing (12), having a first sun gear (22), a first planet carrier (24) and a first ring gear (26) as first elements, having an electric machine (40) comprising a stator (42) and a rotor (44), the invention relates to a planetary gear train for a motor vehicle, comprising an input shaft (50) which can be driven by a rotor (44) and is permanently rotationally fixed to a first sun gear (22), comprising an output shaft (52), comprising a differential gear (54), and comprising a side shaft (74), the first planetary gear set (18) and the differential gear (54) being arranged coaxially to one another. The side shaft (74) is arranged between the differential transmission (54) and a wheel (41) of the motor vehicle and passes through the rotor (44). The differential transmission (54) comprises a bevel gear differential (60) having a differential housing (62) which is connected in a rotationally fixed manner to the first planet carrier (24). The first sun gear (22) is arranged axially next to the differential housing (62).

A differential transmission for a vehicle has a first planetary gearset and a second planetary gearset, where the first ring gear is in torque-proof connection with the second sun gear. The transmission further includes a first output shaft in torque-proof connection with the first planet carrier at a first side of the first planet gear in an axial direction, a second output shaft in torque-proof connection with the second ring gear, and a stationary component, with the second planet carrier being supported on the stationary component. The transmission additionally includes a support for rotatably supporting the first planet carrier on the stationary component, the support for the first planet carrier being at a second side of the first planet gear in the axial direction, the second side being opposite the first side relative to the first planet gear.

The invention relates to a drive unit (1) for a motor vehicle, comprising a traction motor (2), a torque converter (3), a variable transmission (4) and a differential transmission (5), the traction motor (2) being drivingly coupled to the differential transmission (5) in a given sequence via the torque converter (3) and the variable transmission (4). According to the invention, the traction motor (2) is drivingly coupled to the torque converter (3) via a spur gear transmission (20) or without a transmission.

A new energy automobile electric drive assembly lubrication cooling structure, including the casing, be equipped with drive motor in the casing, reduction mechanism, differential, be equipped with driving input gear on the motor shaft of drive motor, driving input gear is connected with differential transmission through reduction mechanism, the motor shaft is hollow shaft, the output shaft one end inserts the motor shaft and is connected with differential, the other end extends the casing, the clearance fit between two shafts, the clearance is lubricating oil channel, the motor shaft is equipped with annular oil storage tank, lubricating oil channel and annular oil storage tank are communicated, the oil inlet hole on the casing is communicated with lubricating oil channel through annular oil guide groove, the position corresponding stator winding of motor shaft is provided with a group of oil injection hole respectively, oil injection hole is communicated with annular oil storage tank, the output shaft is equipped with axial blind hole oil channel, and its orifice corresponds to differential, the output shaft is equipped with multiple radial oil channels, radial oil channel is located at the position where the diameter of output shaft is maximum, one end is communicated with annular oil guide groove, and the other end is communicated with axial blind hole oil channel.

The invention relates to the field of two-way steering wheels, and discloses a symmetrical non-absolute value encoder two-way steering wheel based on a differential principle, which comprises a wheel set structure, a driving mechanism, a driving mechanism and a driving mechanism, and is characterized in that the wheel set structure consists of a central wheel body, a fixed gear shaft, a movable gear shaft, an upper differential transmission gear, a lower differential transmission gear, a gear shaft fixing bracket and a V-shaped bearing; the fixed gear shaft and the movable gear shaft are arranged on the two sides of the center gear body in parallel through a gear shaft fixing support and meshed with the upper differential transmission gear and the lower differential transmission gear respectively. And the V-shaped boss of the outer ring of the differential transmission gear is matched with the outer ring of the V-shaped bearing for limiting. A photoelectric sensor and a mechanical bump are combined to replace a traditional high-cost absolute value encoder, the hardware cost is remarkably reduced, non-contact detection of the photoelectric sensor effectively avoids dust and vibration interference, a redundancy calibration mechanism is combined, the accuracy and long-term stability of angle measurement are ensured, the high calibration precision is maintained, and meanwhile the precision of angle measurement is improved. And the environmental adaptability and the maintenance convenience of the system are improved.

A vehicle drive device is disclosed that includes: a rotating electrical machine; a differential transmission device; a power transmission device; a power module; a wiring portion; and a case. The case forms, above a plane including the axis of a rotation shaft of the rotating electrical machine and the axis of an output shaft, a first housing portion, a second housing portion, and a third housing portion. The first housing portion overlaps the rotating electrical machine as viewed in an axial direction of the rotating electrical machine, and overlaps the power transmission device as viewed in an up-down direction. The second housing portion overlaps the rotating electrical machine as viewed in a direction perpendicular to both the axial direction of the rotating electrical machine and the up-down direction, and overlaps the output shaft as viewed in the up-down direction. The third housing portion is adjacent to the first housing portion and the second housing portion, and overlaps the output shaft as viewed in the up-down direction. At least part of the power module is disposed in the second housing portion or the third housing portion.

The invention relates to a differential arrangement (100) and a drive system equipped therewith for a vehicle (1000), in particular a motor vehicle. The differential arrangement (100) includes a differential gear (110) with a first rotatably mounted output shaft (111) for driving a first wheel (1001) of the vehicle (1000) and with a second rotatably mounted output shaft (112) for driving a second wheel (1002) of the vehicle (1000), as well as an electric machine (120) with a rotor (121) and with a stator (122). In order to equip the differential arrangement with a torque vectoring function, the electric machine (120) is designed, arranged and / or present to change the torque balance between the first output shaft (111) and the second output shaft (112) of the differential gear (110), in particular to enable torque vectoring even under conditions with low friction coefficients and / or with simplified vehicle dynamics control, the axis of rotation (R) of the rotor (121) of the electric machine (120) is oriented essentially parallel to the vertical axis (H) of the vehicle (1000) or the axis of rotation of the rotor is essentially identical to the vertical axis.