Abstract: A drive device for an electrically operated vehicle axle of a two-track vehicle, with a drive unit in which an electric machine drives vehicle wheels via a gearbox. The electric machine is arranged transversely in the vehicle axle, and a stator housing of the electric machine is axially extended in the vehicle transverse direction with a gearbox housing. The drive unit is supported in a three-point bearing via three unit bearings in the vehicle body. The three-point bearing has two gearbox-side unit bearings via which the gearbox housing is supported in the vehicle body.

Abstract: The disclosure relates to a motor vehicle that includes an externally excited synchronous machine, an exciter circuit which, in operation, energizes an exciter winding of the externally excited synchronous machine, a power electronics layout connected to a voltage network and including at least one capacitor, wherein the exciter circuit includes at least one semiconductor switch in a discharge section that connects terminals of the voltage network other than the exciter winding, and a control device which, in operation, closes the at least one semiconductor switch of the discharge section of the exciter circuit to actively discharge the at least one capacitor.

Abstract: A system for point cloud data compression including a LiDAR sensor and a compression circuit. The compression circuit receives data for rays from the LiDAR sensor, wherein the data is arranged in cells which map to corresponding rays, and each cell includes a range value. The compression circuit constructs a frame for the received data and, for each cell, determines a velocity associated with the range value for the cell, determines whether to compress the frame with respect to the cell based upon the velocity; and selectively compresses the frame with respect to the cell accordingly. Also disclosed is a system including a device and a server which optionally are co-located. The device gathers data about an environment which is used to generate a point cloud.

Abstract: Movement of vehicles through an intersection relative to one another is actively coordinated. The coordination includes sharing data among the vehicles using Vehicle-to-Everything messaging technology. The shared data is used to sequence the movement of the vehicles through the intersection.

Abstract: In a method for operating a vehicle electrical system for a motor vehicle, a vehicle battery of the vehicle electrical system that has at least two sub-batteries provides electrical energy from more than one of the at least two sub-batteries at a conventional supply terminal of the vehicle electrical system, the conventional supply terminal being electrically coupled to the vehicle battery. At least a first and a second safety supply terminal of the vehicle electrical system are supplied with electrical energy by a coupling device of the vehicle electrical system, the coupling device being connected to the vehicle battery, and the coupling device electrically coupling the at least a first and second safety supply terminal each to exactly one of the at least two sub-batteries in accordance with a coupling state of the coupling device.

Abstract: An adjustment device for a seat, which is designed as an extension of a seat plane of the seat. The adjustment device has a length-adjustable adjustment mechanism and at least one elastic tension element. The adjustment mechanism has a central winding roller, multiple sliding rollers, at least one front end part, and at least one rear end part. Each end part is connected to at least one sliding roller. A first end of the at least one tension element is fastened to the central winding roller. The at least one tension element, starting from the central winding roller, touches the sliding rollers. A second end of the at least one tension element is fastened to a fastening element of a supporting body of the seat plane.

Abstract: A cage nut for connection to a support element having a screw nut which is arranged in a captive and/or twist-proof manner in a nut cage which can be fastened to the support element and has play. The screw nut can be displaced between axial stops in the non-screwed state, and at least one spacer is formed on the screw nut front side facing toward an axial stop, via which the screw nut can be brought into contact with the axial stop, due to which an adhesive bond between the screw nut and the axial stop of the nut cage can be reduced. The spacer is produced in a forming process in which the screw nut is deformable to produce the spacer.

Abstract: A coolant supply system for an electric vehicle axle drive with an electric machine, in the electric machine housing of which a stator interacts with a rotor which is spaced from the stator via an air gap, and the interior of the electric machine is supplied with coolant for internal rotor cooling and/or for stator cooling. The coolant supply system has a flow unit by which an air flow can be generated which flows through the air gap in the axial direction, whereby the air gap is kept substantially free of coolant to reduce rotor drag losses.

Abstract: The present disclosure relates to a method for operating a communication device of a motor vehicle. The communication device communicates with at least one other motor vehicle or at least one stationary receiver, wherein for this purpose, a wireless communication connection based on linearly polarized electromagnetic waves is used. In order to use the communication connection, a transmission signal is transmitted with a specified transmission power by the communication device, and the transmission power is reduced on the basis of the reception of a reception signal by means of the communication device, said reception signal using electromagnetic waves which are at least partly orthogonally polarized relative to the linearly polarized electromagnetic waves.

Abstract: A method for actively discharging an electrical energy storage device by means of an electrical circuit arrangement which comprises at least one half bridge comprising two switching elements, wherein the half bridge is connected in parallel with the energy storage device and wherein the switching elements each have a switchable section, the electrical resistance of which can be set in a transmission mode of the switching element by means of a control voltage of the switching element, wherein, in order to discharge the energy storage device, the level of the control voltages of the switchable sections of the switching elements in transmission mode and/or the ratio between a switched-on duration in which the switchable sections of the switching elements are operated in transmission mode during the discharge, and a switched-off duration in which the switchable sections of the switching elements are operated in a blocking mode during the discharge can be set as a function of a discharge current specification desc

Abstract: A fuel cell stack is provided comprising membrane electrode assemblies and bipolar plates for supplying the membrane electrode assemblies with operating media and coolant, wherein a first bipolar plate comprises flow pathways having path depths that are different from path depths of corresponding flow pathways of a second bipolar plate. Moreover, a vehicle with a fuel cell system having such a fuel cell stack is provided.

Abstract: The present disclosure relates to an optical fiber apparatus, including an optical fiber with at least two separate input guide sections provided at one end with a cross-section which is given at least in sections and comprises an edge section having a first radius, which converge and successively unite via a merging section to form a common main guide section with a cross-section which is given at least in sections and includes an edge section having a second radius, so that light introduced into an input guide section is guided into the common main guide section, where the merging section extends over a length which corresponds to 10-50 times the first radius.

Abstract: A battery housing arrangement with a first housing unit for accommodating at least two prismatic battery cells, which has a side wall, a first outer wall with a first wall portion, and a second outer wall opposite the first outer wall with a second wall portion, which is opposite the first wall portion, the side wall connecting the first and second outer walls to one another. The first housing unit can be reversibly coupled to a second housing unit of the same design as the first housing unit, forming a cuboid receiving space, in such a way that the side wall of the first housing unit is opposite a side wall of the second housing unit, and in that the at least two prismatic battery cells can be arranged next to one another in the receiving space.

Abstract: In a method and control device for providing feedback to a vehicle occupant, a signal corresponding to current and/or upcoming movements of the vehicle is obtained when the vehicle is in an autonomous driving mode. The obtained signal is provided to a control device located within the cabin of the vehicle. The control device is moved corresponding to the provided signal. In an embodiment, an input of the occupant for an autonomous driving unit of the vehicle via the control device is received and a signal corresponding to the received input is submitted to the autonomous driving unit. The input may correspond to a maneuver request and/or to a selection of one of several autonomous driving-modes.

Abstract: A coolant supply system for a drive device of an electrically operated vehicle axle with an electric machine which has a cylindrical stator housing, in which there is a winding head space axially on both sides of a rotor/stator arrangement, at the bottom of which coolant collects. The two winding head spaces are fluidly connected to one another via a coolant sump, and the stator housing height and the coolant sump height in the electric machine vertical direction add up to a total height. In order to reduce the total height, the coolant sump is offset by a transverse offset from a rotor axis vertical plane. In this way, the stator housing height and the coolant sump height can at least partially overlap in the vertical direction of the electric machine by an overlap amount.

Abstract: A riveted joint in which a rivet foot of a rivet element is driven into a component with a setting force, in particular by spreading the rivet foot. The rivet foot has a reduced cross-section in the still undeformed state and has an expanded cross-section in the driven-in state. The rivet foot is designed as a bistable spring portion that has two equilibrium states, namely the undeformed cross-section-reduced state and an expanded spread state. As a result of the setting force being applied, the rivet element changes from the undeformed state to the spread state, in which the rivet foot is spread with an expanded cross-section in the component, in particular without the build-up of a springback force that biases the rivet element towards the undeformed state.

Abstract: The present disclosure relates to a method for communication between road users, including at least one motor vehicle, in a traffic situation, wherein each road user has a communication device that uses a communication channel to periodically transmit basic information comprising at least one operating parameter and a position of the road user, wherein, to form a communication group for an application, in particular a movement maneuver, a road user that is planning to perform the application transmits a request message via the communication channel, wherein a response message from at least one further road user that is likewise planning or performing the application results in the communication group being established with said further road user, wherein at least one group member of the communication group periodically transmits a group status message via the communication channel as communication leader representing all group members, said group member status message using identification information to descr

Abstract: The invention relates to a module component (100) for a movable part (201) of a vehicle (200), comprising: a support housing (10) for fastening the module component (100) to the movable part (201) of the vehicle (200), a key device (20) for actuating the movable part (201) of the vehicle (200), wherein the key device (20) comprises a key cap (21) configured to receive an activation action, in particular a touch and/or force, of a user, wherein an activation element (24) is arranged on the key cap (21) to be able to detect a presence and/or an activation action of the user, and an electronic device (30) for providing lighting functions and/or sensor functions when the movable part (201) of the vehicle (200) is actuated, wherein the electronic device (30) is fastened to the support housing (10), wherein the electronic device (30) comprises a sensor device (31, 32) for a presence detection and/or an activation action detection at the activation element (24), and wherein the electronic device (30) comprises at

Abstract: A coolant supply system for a drive device of an electrically operated vehicle axle of a two-track vehicle with an electric machine. The coolant supply system has an electric machine hydraulic circuit in which a coolant tank, the interior of a cylindrical stator housing and a stator housing sump are integrated, in which the coolant draining from the stator housing collects, which can be returned from there to the coolant tank by at least one return pump. The stator housing sump has a suction point on each of its axially opposite axial sides, from which the coolant can be sucked off by the return pump.

Abstract: A method for operating a braking system for a motor vehicle, including a service brake unit and the service brake unit is activated to generate a brake force on a wheel axle of the motor vehicle at least temporarily as a function of a setting of an operating element. The generation of the brake force is performed using a calibration data set stored in a control unit of the braking system. An identifier stored in the operating element is transmitted to the control unit and used for a compatibility check. If the compatibility check is successful, a configuration of the operating element takes place and a generic data set stored in the control unit is used as the calibration data set and an operating element-specific data set stored in the operating element is transmitted to the control unit and used as a calibration data set after the transmission.