Abstract: A device for supplying a quantity of secondary air into the exhaust tract of an internal combustion engine, having a flow path which is arranged downstream of the gas outlet of the internal combustion engine in the direction of flow of the exhaust gas, having an injection device which is designed to supply a quantity of secondary air at a supply point into the flow path. The supply of the secondary air takes place upstream of a first honeycomb body), the secondary air being introduced into the flow section through an injection pipe of the injection device, the injection pipe being arranged outside the flow section and opening into the flow section.

Abstract: A circuit board assembly includes a circuit board having at least one conductive inner layer and at least one surface. Contact areas or surfaces and electrical and/or electronic components are disposed on the surface and electrically connected to the contact areas. At least two of the contact areas are connected to one another by an electrically conductive strip having ends each being connected to a respective one of the contact areas. The at least two contact areas and the electrically conductive strip have a width of at least 8 mm and the strip has a thickness that is at least double the thickness of the at least one inner layer.

Abstract: Various embodiments of the teachings herein include a device for detecting a defect of an arrangement including a battery housing and a battery cell. An example includes: a first sensor for a gas component within the battery housing; a second gas for the at least one gas component outside the battery housing; and a control apparatus receiving the signals. The control apparatus identifies a defect in the arrangement if the presence and/or a content of the gas component within the battery housing exceeds a predetermined first content threshold value and the absence and/or a content of the gas component outside the battery housing falls below a predetermined second content threshold value.

Abstract: Various embodiments of the teachings herein include methods for determining the functional operability of a pressure sensor of a battery arrangement with a battery housing in a vehicle, wherein the pressure sensor generates a pressure signal corresponding to the pressure within the battery housing. An example includes: introducing a gas mixture into the battery housing from outside the battery housing for the purpose of increasing the pressure within the battery housing; and determining that the pressure sensor is functional if, after the process of introducing the gas mixture into the battery housing, the pressure signal of the pressure sensor indicates a pressure which exceeds a predetermined pressure threshold value; else determining that the pressure sensor is malfunctioning.

Abstract: Various embodiments of the teachings herein include methods for detecting a manipulation of a sensor value of an exhaust gas sensor of an internal combustion engine for a vehicle. An example includes: operating the internal combustion engine in an overrun cutoff mode; determining a first sensor value from an exhaust gas sensor with the throttle valve closed; establishing a suspected manipulation by evaluating the first sensor value as a function of a first threshold value; and verifying the suspected manipulation using the control device by measuring a second sensor value from the exhaust gas sensor in the event of an increase in the emissions of the internal combustion engine and evaluating the second sensor value as a function of a second threshold value if the suspected manipulation has previously been established.

Abstract: A method for automatically detecting a sensor coupled to an electronic computer, including a second step, consisting of passing to a third step when the electronic computer is activated, the third step, consisting of comparing a voltage generated by the sensor coupled to the terminals of the electronic computer with a reference voltage, in the event that the result of the comparison is positive, then passing to a fourth step, and in the event that the result of the comparison is negative, passing to a fifth step, the fourth step, consisting of selecting an impedance matched to the coupling of the voltage-source sensor to the terminals of the electronic computer.

Abstract: Various embodiments include a system for a vehicle having a body a door held on the body and pivotable about a pivot axis. An example includes: an obstacle identification system to detect a collision event occurring between the door and an object within surroundings of the vehicle; and a sensor pivotably held on the body, the sensor having a field of vision covering an angle about the pivot axis in plan view along the pivot axis. The field of vision covers a subregion of a total monitoring region of the obstacle identification system, wherein the field of vision is smaller than the total monitoring region.

Abstract: A valve/pump unit is proposed, having an electric motor for driving at least one pump stage, at least one first pump stage drivable by the electric motor for conveying a heat transport medium in a first heat transport medium circuit, an adjustable multiway valve with heat transport medium channels for providing at least two switching positions between the first heat transport medium circuit and a second heat transport medium circuit of a heat transport medium system, and a common housing section for accommodating the electric motor, the multiway valve and the pump stage. The multiway valve is joined to the electric motor in such a way that the multiway valve encloses the electric motor.

Abstract: An example includes: switching on and off a coil current at switch-on times and switch-off times specified by means of a clock signal; generating a PWM signal with a duty cycle representative of the inductance of the measuring coil with rising and falling PWM signal edges, triggered at the same time as the switching on or switching off of the coil current and triggered as soon as a value of the coil current reaches a specified trigger threshold, or both of which are triggered as soon as a value of the coil current reaches a specified trigger threshold; evaluating the PWM signal to determine the duty cycle and the inductance; detecting a steady-state maximum value of the coil current after switching on and before subsequently switching off the coil current; and specifying the trigger threshold depending on the detected steady-state maximum value of the coil current.

Abstract: The disclosure relates to a method for distributing torque in the event of a load change for a motor vehicle. The motor vehicle has a first torque source that provide a first torque, and a traction motor that provides second torque. After determining that the torque distribution should be changed, the first torque is reduced, with a first gradient, from the positive torque range to a torque neutrality. At a specified load change time before the torque neutrality of the first torque is reached, the second torque of the traction motor is adjusted into the negative torque range with a specified second gradient until a predetermined load change range of the traction motor has been traversed. After the load change range has been traversed, the second torque is taken further into the negative torque range with a third gradient. The third gradient being steeper than the second gradient.

Abstract: The disclosure provides a device for operating an electronic system. The device includes a power supply unit that, during operation, provides a supply voltage on a supply potential output. The power supply unit has an enable input via which the supply voltage can be enabled and disabled by an enable signal. In a power-latch phase of the electronic system in which the enable signal is not present, the power supply unit provides the supply voltage upon receiving a trigger signal even when the enable signal is not present. The device includes a microcontroller supplied with the supply voltage on a second supply potential input connection when the enable signal is present or when the microcontroller, in the power-latch phase, generates the trigger signal and transmits it to the trigger signal input. Upon receiving a control command, the power supply unit suppresses deactivation of the supply voltage for supplying the microcontroller.

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 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: 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 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 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 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.