Abstract: Embodiments of the teachings herein include a device for closing a vehicle flap. An example device may include: a device to open and close the flap; a first sensor to detect a target movement of a body part in the vicinity and to provide an activation signal indicating a desired opening or closing movement of the vehicle flap; a second sensor to detect movements of the vehicle and to generate a movement signal indicating movement of the vehicle; and a control unit to receive the activation signal and the movement signal, and to actuate the opening and closing device. The control unit actuates the opening and closing device for the desired closing of the vehicle flap when an activation signal of the first sensor has been received and the movement signal of the second sensor indicates a movement of the vehicle smaller than a predetermined movement threshold value.

Abstract: A vehicle energy transmission circuit is equipped with an insulation fault detection circuit that has a fault current measurement apparatus, a first high-voltage connector, a second high-voltage connector, a ground potential connector, a first measuring resistor, a second measuring resistor and a measuring switch. One of the high-voltage connectors is connected in series with a connecting point via one of the measuring resistors and the measuring switch. The measuring resistor connects the other high-voltage connector directly to the connecting point. The connecting point is connected to the ground potential connector via the fault current measurement apparatus. The fault current measurement apparatus is configured to record a current that flows between the connecting point and the ground potential connector. The fault current measurement apparatus is configured to record this current when the measuring switch is open and closed.

Abstract: A method for electronically diagnosing an electric drive chain for an electric or hybrid motor vehicle. The drive chain including an electric battery, an electric machine, an inverter connected between the battery and the electric machine, and a link capacitor connected in parallel between the battery and the inverter. The diagnosis method includes: i) continuously controlling the increase in the control frequency of the electric machine; ii) determining the variation in the Fourier transform of the current variation between the assembly comprising the battery and the link capacitor and between the inverter; iii) for each control frequency: 1) detecting an anomaly; 2) otherwise, determining when the control frequency value is optimal.

Abstract: A fluid-conveying device for conveying a fluid, such as in particular water, from a tank. The fluid can be conveyed along a dosing line to an injection point by a pump, wherein the dosing line is attached at a pressure side of the pump by a connection plug which is attached to an outlet line. The fluid-conveying device has at least one first valve, which is preloaded by a spring and which is configured to prevent a fluid flow from the dosing line to the outlet line and which is furthermore configured to permit the fluid flow from the outlet line to the dosing line if a predefined minimum pressure p1 is reached on that side of the first valve which faces toward the outlet opening.

Abstract: A catalytic converter for aftertreatment of combustion gases from an internal combustion engine, having at least one catalyst and at least one electrically heatable heating disk. The catalyst and the heating disk are each formed by a honeycomb having a multitude of flow channels through which flow is possible in a main flow direction. The mechanical connection between the catalyst and the heating disk is formed by at least one support pin (having an inner core. The support pin has a thickening in each of the two end regions and, the core is formed by a ceramic material and the thickening is formed by a ceramic-metal mixture.

Abstract: A method for operating an electric motor that drives a displacement pump stage to deliver a liquid through a hydraulic system to supply the liquid to at least one consumer. A periodically repeating pressure fluctuation of the liquid that occurs during delivery operation is at least partially compensated by virtue of the rotational speed of the electric motor being manipulated in accordance with the periodically repeating pressure fluctuation.

Abstract: A device for aftertreatment of exhaust gases from an engine, with a honeycomb body through which a flow passes along a main flow direction, a ceramic mat, and a first casing that receives the honeycomb body. The ceramic mat is arranged between the honeycomb body and the casing and surrounds the honeycomb body as a ring in peripheral direction. The ceramic mat is configured such that the cavity formed between the honeycomb body and the first casing is filled by the ceramic mat. A method for manufacturing the device, wherein the honeycomb body is received in a second casing and the honeycomb body received in the second casing is surrounded by the ceramic mat as a ring in the peripheral direction. The second casing has, at the end region facing the gas inlet side, a portion having a structure different than the remaining structure of the second casing.

Abstract: An arrangement for pressure monitoring within a battery housing of a battery system. The arrangement includes a first power supply path and a pressure measuring. The pressure measuring unit is electrically connected to the first power supply path. The arrangement also includes a pressure-sensitive mechanical switching unit arranged within the battery housing and electrically connected, in series with the pressure measuring unit, to the first power supply path. The switching unit switches to an electrically conductive switching state when the pressure within the battery housing exceeds a predefined pressure threshold and establishes a supply of power to the pressure measuring unit via the first power supply path, and switches to an electrically blocking switching state when the pressure within the battery housing falls below the pressure threshold and interrupts the supply of power to the pressure measuring unit via the first power supply path.

Abstract: A circuit carrier for at least one electrical component, including: a metal substrate layer, a first electrical insulation layer arranged on the metal substrate layer, a second electrical insulation layer arranged on the first insulation layer, and an electrically conductive layer, arranged on the second electrical insulation layer, having at least one conductor track for electrically connecting the at least one electrical component, wherein at least one of the two electrical insulation layers is colored in such a way that the two electrical insulation layers have different colors.

Abstract: Various teachings of the present disclosure include a method for operating an electric motor of rotor-stator-rotor configuration and a first gap with a first thickness d1 between a first rotor and a stator and a second gap with a second thickness d2 between the stator and a second rotor, wherein the first rotor and the second rotor are electrically excitable separately from each other. An example includes: detecting a first open-circuit voltage of the first rotor; detecting a second open-circuit voltage of the second rotor; classifying the first open-circuit voltage and the second open-circuit voltage; and adjusting the electrical excitation of at least one from amongst the first rotor and the second rotor based on at least one of the classified open-circuit voltages.

Abstract: An electrically heatable catalytic converter with a metal honeycomb body, the honeycomb body being formed by a plurality of wound metal foils and the honeycomb body being received in a casing tube, a device for electrically contacting at least individual foils being led into the casing tube through an opening in the casing tube, the device being formed by an electrode which is electrically insulated from the inside of the casing tube by a connecting layer and mechanically connected to the casing tube.

Abstract: Various embodiments of the teachings herein include a system for a vehicle having a vehicle body and a vehicle door held pivotably on the vehicle body. An example system includes: an anti-trap protection device to detect a trapping event occurring between the vehicle door and the vehicle body; and an obstacle identification system to detect a collision event occurring between the vehicle door and an object in surroundings of the vehicle. At least one sensor operates both for detection of the trapping event and for detection of the collision event.

Abstract: A thermal management system having a battery and an electric motor, the temperature of both of which is to be controlled, wherein the electric motor is oil-cooled. The thermal management system has a monitoring system for monitoring an oil flow generated by an oil pump, in an oil cooling circuit including the electric motor. The monitoring system in this case has a first pressure sensor at a first point of the oil cooling circuit and a second pressure sensor at a second point of the oil cooling circuit and/or a speed sensor assigned to the oil pump. Also proposed is a vehicle having a thermal management system of this type.

Abstract: A high-voltage vehicle on-board electrical system is equipped with a ground potential and a high-voltage potential that is insulated from the ground potential by a two-stage insulation. The two-stage insulation has a first insulation device that insulates the high-voltage potential from a potential island. A second insulation device of the two-stage insulation insulates the potential island from the ground potential. The potential island is connected to the ground potential via a dissipating element. The dissipating element is configured, in the event of an insulation fault in the two-stage insulation, to generate a current that is below a hazard threshold and that is above a sensitivity threshold of an insulation monitor.

Abstract: In a device for the aftertreatment of exhaust gases from an emission source, in particular an internal combustion engine, with an exhaust tract through which an exhaust gas can flow in a direction of flow, with at least one catalytic converter, the catalytic converter having a ceramic honeycomb body has: a catalytically active surface coating, and with an electrically heatable heater, the heater having a metallic electrical conductor, the honeycomb body further having a plurality of flow channels which can be flowed through from a gas inlet side to a gas outlet side, wherein the conductor is integrated in the ceramic honeycomb body, and is arranged downstream of the gas inlet side and upstream of the gas outlet side, as viewed in the direction of flow.

Abstract: A method and a device for ascertaining a fluid injection quantity of an injection system. The injection system includes a high-pressure pump, a high-pressure region that adjoins the high-pressure pump, a pressure sensor, and an injector that is fed from the high-pressure region. The method includes detecting a measurement signal using the pressure sensor and segmenting a first pressure profile from the measurement signal. The first pressure profile characterizes the pressure profile prior to a fluid injection using the injector. The method also includes segmenting a second pressure profile from the measurement signal. The second pressure profile characterizes the pressure profile after the fluid injection using the injector. The method also includes performing a kernel density estimation using the first pressure profile and the second pressure profile, ascertaining a pressure difference, and ascertaining the fluid injection quantity using the pressure difference.

Abstract: A fuel cell stack bipolar plate, includes two half-plates connected to one another and a flow space formed between the half-plates for distributing a coolant flowing into the flow space through an inlet hole of the bipolar plate, located on a first edge of the bipolar plate, and flows out of the flow space through an outlet hole of the bipolar plate, located on an opposite second edge of the bipolar plate, over the area of the bipolar plate's flow field. The flow field debouches at its ends facing toward the first and second edges of the bipolar plate into a distribution region connected to the respective hole. The distribution region includes a pre-distributing channel, which debouches into the respective hole, extends along a direction of the first and second edges of the bipolar plate and has a plurality of throttle apertures arranged distributed and face toward the flow field.

Abstract: Various embodiments of the teachings herein include a busbar connection assembly. An example includes: a carrier; an insert disposed within the carrier, the insert having an aperture; a busbar connected to and extending through the aperture; and a seal element in contact with the busbar and the insert. The seal element prevents flow between a first side of the carrier and a second side of the carrier.

Abstract: The invention relates to a method for operating an internal combustion engine, in which the internal combustion engine has at least one first combustion chamber, in which combustion processes take place during fired operation of the first combustion chamber, at least one second combustion chamber, in which combustion processes take place during a fired operation of the second combustion chamber, a first knock sensor assigned to the first combustion chamber, by means of which irregular combustions in the first combustion chamber can be detected, and a second knock sensor assigned to the second combustion chamber, by means of which irregular combustions in the second combustion chamber can be detected. The internal combustion engine is operated in a first operating state in which channel switching is carried out. A switch is made from the first operating state to a second operating state in which channel switching does not take place.

Abstract: A fluid valve, in particular for a motor vehicle and/or a temperature control system, having a housing and a valve body disposed in the housing so as to be rotatable about a rotation axis. The housing has a first port and a third port disposed on opposite side of a normal plane in relation to the rotation axis and a second port which is radially spaced apart from the rotation axis and in the direction of the rotation axis is disposed between the first and the third port. The valve body in at least one rotary position connects at least two ports of the housing to one another, and in at least one other rotary position does not connect the two ports to one another.