Abstract: A contactless charging device for contactlessly charging an energy accumulator of a motor vehicle, wherein the contactless charging device has an interface for coupling the contactless charging device to a power source, wherein the interface is designed for communicative coupling and for wired electrical coupling to a charging station, wherein the charging station is designed for the wired charging of the energy accumulator.

Abstract: The invention relates to a reflector for a vehicle, which includes a main body having a plurality of reflection prisms arranged next to each other for each reflecting light. Each reflection prism has a reflection direction along which the reflection prism reflects the light. The main body has first reflection prisms having a first reflection direction and second reflection prisms having a second reflection direction different from the first reflection direction. The second reflection prisms form at least one symbol.

Abstract: A method operates a mobile virtual reality system in a motor vehicle. The method involves providing a configuration of a virtual motor vehicle, detecting a position of a pair of virtual reality glasses arranged in the motor vehicle, in particular a pair of virtual reality glasses that a user has put on, and operating the virtual reality glasses such that they display the configured virtual motor vehicle from a virtual viewing position that corresponds to the detected position of the virtual reality glasses in the motor vehicle. A mobile virtual reality system includes the pair of virtual reality glasses.

Abstract: A method for testing a charging process of an electrically powered motor vehicle having an on-board power system, wherein said on-board power system includes at least one charge connection for connecting the on-board power system to a charging station and is connected to at least one electric power storage device, wherein an adapter having at least one discharge connection is additionally connected to the on-board power system for testing the charging process, wherein electric power for testing the charging process is conducted via the at least one charge connection into the on-board power system, wherein a primary portion of said electric power is discharged again from the on-board power system via the at least one discharge connection of the adapter.

Abstract: A power electronics module includes a substrate with a substrate metallization layer, which is separated into conducting areas for providing conducting paths for the power electronics module; a semiconductor switch chip bonded with a first power electrode to a first conducting area of the substrate metallization layer; a conductor plate bonded to a second power electrode of the semiconductor switch chip opposite to the first power electrode.

Abstract: A hydraulic system for an automatic transmission of a motor vehicle, with which hydraulic cylinders of at least one clutch, and of gear selectors can be actuated, which hydraulic system includes a pressure accumulator for providing an accumulator pressure in the hydraulic system. In at least one clutch path leading from the pressure accumulator to the clutch hydraulic cylinder, a clutch valve, which can be operated by an electronic control unit, and with which a hydraulic pressure applied to the clutch hydraulic cylinder can be adjusted, and a pressure sensor, with which the hydraulic pressure applied to the clutch hydraulic cylinder can be detected, are arranged, and having a charging hydraulic pump, which delivers hydraulic fluid into the hydraulic system in a charging process to increase the actual accumulator pressure.

Abstract: A differential gear including a rotatably mounted differential housing and a final driven gear mounted rotationally fixed to the differential housing. The differential housing, on the outer circumferential surface thereof, includes two mating surfaces and that the final driven gear, on the inner circumferential surface thereof, includes two radially opposite mating surfaces. The mating surfaces formed on the outer circumferential surface of the differential housing and the mating surfaces formed on the inner circumferential surface of the final driven gear are each designed as separate mating surfaces which, when viewed in axial direction (a), are arranged geometrically separated from each other by a spacing.

Abstract: A motor vehicle includes an electric traction energy storage, at least two DC voltage converters, and a contact device for electrically contacting a vehicle-external energy source. The at least two DC voltage converters are each connected in series at a first side. The contact device is connected to the first sides of the DC voltage converters. The traction energy storage is connected to second sides of the DC voltage converters.

Abstract: The disclosure relates to an electrical energy-supply device including several usage units, wherein each usage unit is adapted to generate or temporarily store electrical energy, and wherein a control means is adapted to control an exchange of power (E) between the energy-supply device and at least one device, The invention provides that the usage units of the energy-supply device are divided into strands and the usage units of each strand are connected to a series connection and the series connection is connected via a DC converter and at least one galvanically isolable switching unit is connected to a busbar arrangement.

Abstract: A display panel has a first and second layers and a control unit. The first layer is a pixel matrix. The control unit is designed to actuate at least one pixel element for displaying at least one graphic display object. In a respective non-actuated state each pixel element is transparent. The second layer is partitioned into predetermined primary subareas each having an adjustable degree of light transmission. The primary subareas are separated by a primary space. The control unit is adapted to adjust a respective light transmission to a predetermined individual degree for each of the predetermined primary subareas independent of each other. The display panel also has a third layer designed to attenuate light in the primary space.

Abstract: A pressure compensation device for a housing, in particular of a motor vehicle, having at least one pressure compensation valve, which has a casing surface on the inner circumference delimiting a volume of the pressure compensation valve through which a gaseous medium can flow, a casing surface on the outer circumference facing away from the casing surface on the inner circumference, and at least one pressure compensation opening, through which the medium can flow and which is delimited by wall regions of the pressure compensation valve formed from an elastically deformable material, and having at least one protective cap.

Abstract: A method for operating a clutch of a drive train of a vehicle wherein the clutch, a drive motor primary axis having first wheels that can be driven by the drive motor as first axis and a second axis having second wheels are driven by the drive motor via the clutch as second axis, with the clutch being adjusted between a closed position, wherein a first coupling torque of the clutch is set, and at least one second position differing from the closed position, wherein a second coupling torque of the clutch that is lower than the first coupling torque is set: determining at least one coefficient of friction of a roadway the vehicle is located on; and as a factor of the determined coefficient of friction: adjusting a basic torque of the clutch, with the clutch being prestressed in the second position by the basic torque.

Abstract: A method for producing a traction battery of a motor vehicle. At least one cell module having multiple battery cells is arranged in a receptacle compartment of a battery housing of the traction battery. The battery cells are provided with a separate temperature sensor At least one temperature sensor is arranged on a metal carrier in each case and the metal carrier is welded to a cell housing of the respective battery cell.

Abstract: A method for performing a test of a thermal management system for a vehicle. The thermal management system includes a number of thermal components and at least one sensor, wherein a setup of the thermal management system is tested by a control device before delivery of the vehicle when the thermal management system is or will be incorporated in the vehicle during a final assembly.

Abstract: An electrical machine, including a winding carrier, which has a multiple grooves and bears at least one winding. Each winding is formed by a conductor having multiple groove portions, which are led through respective grooves of the winding carrier and conductively connected by connection portions of the conductor that lie outside of the grooves; when current flows through the conductor in question from a first connection point to a second connection point of the winding in question, the current is led about an axis of rotation of the electrical machine with a first direction of revolution in all the connection portions that lie in a first conductor portion of said conductor, which first conductor portion includes multiple connection portions, and with a second direction of revolution opposite the first direction of revolution in all the connection portions that lie in a second conductor portion of said conductor.

Abstract: A high-voltage battery for an electrically operated vehicle, the battery housing of which has a housing cover and a housing lower part which delimit a housing interior which is divided into at least one battery cell compartment equipped with battery cells and at least one component compartment for electronic components. A degassing space is formed between a battery cell top of the battery cells and the housing cover, into which space hot exhaust gas flows during a thermal event in one of the battery cells from an exhaust gas outlet of the damaged battery cell. The high-voltage battery has a partition wall which separates the degassing space from the component compartment.

Abstract: A method for operating a fuel cell system comprising a control unit and at least one fuel cell comprises a cycle of the following steps: recording of an actual U/I characteristic curve of the fuel cell, comparison of the recorded actual U/I characteristic curve of the fuel cell with a target U/I characteristic curve stored in a memory, at least within a predetermined or pre-determinable current range, and determination of the difference between the target U/I characteristic curve and the actual U/I characteristic curve within the current range, comprising the following steps: continuous or clocked repetition of the cycle until the difference reaches or exceeds a predetermined or pre-determinable difference limit value, and adjustment of at least one parameter of the control unit to reduce or minimize the difference.

Abstract: A transmission device for a motor vehicle, having an input shaft, which is operatively connectable to a drive device of the motor vehicle, and a first output shaft and a second output shaft, and comprising a spur gear differential transmission which is designed as a planetary transmission, by means of which the input shaft is coupled to the first output shaft and the second output shaft. It is provided that the spur gear differential transmission comprises a first sun gear coupled to the first output shaft and a second sun gear coupled to the second output shaft, wherein the first sun gear meshes with a first planet gear which is rotatably mounted on a planet gear carrier coupled to the input shaft, which first planet gear also meshes with a second planet gear which is likewise rotatably mounted on the planet gear carrier and which meshes with the second sun gear.

Abstract: At least one piece of information is displayed by a display apparatus in a motor vehicle. The display apparatus has a first subregion in the form of a viewing window of the motor vehicle, where the viewing window is part of the boundary of an interior of the motor vehicle. A second display subregion, designed to display the information, is formed integrally with the first subregion, such that the first subregion and the second display subregion lead into one another at an angle. At least regions of the second display subregion are designed so as to project into the interior of the motor vehicle.