Abstract: Various embodiments include a method for operating a hybrid drive train for a motor vehicle having an output shaft from an internal combustion engine releasably connected to a shaft of an electric traction machine via a first clutch, wherein the shaft of the electric traction machine is releasably connected to a transmission input shaft via a second clutch. The method may comprise: determining a state parameter for the motor vehicle; and opening either the first clutch or the second clutch for a changeover to coasting operation of the hybrid drive train based on a function of one or more state parameters.

Abstract: A galvanically coupling DC-to-DC converter has a first side and a second side. The first side has a first potential and a second potential. The DC-to-DC converter has a first, a second and a third transistor. The transistors are connected in a series circuit via a first and a second connecting point and are connected between the potentials of the first side. A respective load inductor is connected to the two connecting points. The load inductors are each connected between one of the connecting points and one of two potentials of the second side of the DC-to-DC converter.

Abstract: Various embodiments of the teachings herein include a connector assembly comprising: a housing; a connector housing integrally formed as part of the housing; an aperture integrally formed as part of the connector housing; a wire assembly including a wire connector having a housing portion located in the aperture, the wire connector connected to the connector housing via a first connection; and a locking element connected to the connector housing via a second connection. The first connection prevents the wire connector from becoming detached from the connector housing and the second connection prevents the locking element from becoming detached from the connector housing.

Abstract: A device for treating exhaust gases which has an outer wall which has an opening in order to electrically contact one or more conductor tracks, which are arranged within an interior space that is surrounded by the outer wall, through the outer wall. The opening is arranged in a projection which protrudes outward from the interior space and is integrally formed with the outer wall.

Abstract: An electrical component includes an electrical part and a flat carrier on which the electrical part is disposed. A housing accommodates the carrier with the electrical part such that the part on the carrier is situated opposite a housing section to which the carrier is connected. An annular casing composed of a flexible material completely surrounds the electrical part and bears against the carrier by way of its first end and against the housing section by way of its second end. A potting compound surrounds the electrical part within the casing and at least partially fills the free volume. A method for producing an electrical component is also provided.

Abstract: Various embodiments of the teachings herein include a method for determining a target position of a surroundings sensor of a vehicle using a vehicle-side attachment element as a calibration object, wherein the sensor and the attachment element are movable relative to each other. The method includes: ascertaining a first position of the surroundings sensor in a first relative pose; moving the sensor and/or the element from the first pose to a second pose between the sensor and the element; ascertaining a second actual position of the surroundings sensor in the second relative pose; and determining the target position of the surroundings sensor by averaging the first position and the second position to form an averaged actual position and assigning the averaged actual position as the target position.

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: Various embodiments of the teachings herein include a method for determining the nitrogen oxide content and/or ammonia content in the exhaust gas of an internal combustion engine with a catalytic converter arranged in an exhaust tract and an exhaust gas sensor downstream of the catalytic converter. In some embodiments, the method comprises: determining an operating state of the internal combustion engine, the operating state indicating either lean operation or rich operation of the internal combustion engine; generating a signal using the exhaust gas sensor; and determining the nitrogen oxide content and/or ammonia content in the exhaust gas at least partially based on the determined operating state of the internal combustion engine and the signal.

Abstract: The disclosure provides a circuit assembly for the diagnosis of a service disconnect line of an electrically operated vehicle with two on-board networks having voltages of different levels. The service disconnect line is connected between a first terminal and a second terminal and includes at least one manual disconnecting element. During the operation of the circuit assembly, a computing device evaluates voltage information representing the voltage present at the second terminal. The computing unit disconnects or does not disconnect the high-voltage on-board network from consumers connected to it. The computing unit detects a fault in the service disconnect line, to iteratively impress different voltage or current levels by operating respective switching elements at the first terminal and/or the second terminal, to acquire the respective voltage present at the second terminal, and for the computing unit to evaluate the voltage information that represents the voltage.

Abstract: The disclosure relates to a method for determining a size of a leak in a fuel tank system. The method includes: starting an internal combustion engine; calculating a stoppage time for a vehicle and/or a temperature difference between the fuel in the fuel tank system and the environment; and checking whether at least one of a plurality of diagnostic conditions is fulfilled. A first diagnostic condition is fulfilled when the stoppage time is longer than a predetermined minimum stoppage time. A second diagnostic condition is fulfilled when the temperature difference is smaller than a predetermined maximum temperature difference. Additionally, when at least one of the plurality of diagnostic conditions is fulfilled, the method includes: evacuating the fuel tank system; recording a time profile of the pressure in the fuel tank system; and determining the size of a leak based on the recorded time profile of the pressure.

Abstract: Various embodiments include a sensor module for providing a sensor module signal comprising information representative of a physical quantity measured by the sensor module. The sensor module may include: a first sensor providing a signal representative of the physical quantity; a first processing device processing the first signal; a second sensor providing a signal representative of the physical quantity; a second processing device processing the second signal; a control device generating the sensor module signal based on the processed first sensor signal and the processed second sensor signal; and a checking device checking the sensor module signal, the processed first sensor signal, and the processed second sensor signal for coherency, and providing a check result signal representative of a result of the check.

Abstract: A housing for receiving at least one battery cell pack, having at least one housing wall, wherein the housing wall is formed at least partially from a plastic, and an optical conductor is formed in the plastic of the housing wall.

Abstract: A turbocharger contains a turbine housing having an accommodating region for a turbine rotor disk of the turbocharger, which accommodating region is arranged centrally with respect to a turbine housing axis, and a turbine spiral channel, which tapers helically toward the accommodating region. A wastegate valve, having a spindle arm and a valve plate arranged on the spindle arm, or a variable exhaust-gas guiding device, having bearing disks and guide vanes, is arranged in the turbine housing. At least one of the: turbine housing, spindle arm and valve plate, or bearing disks and guide vanes, has a steel material for high-temperature applications. The material composition of which contains, in addition to iron, Fe, at least the following alloying constituents in amounts within the specified limits in weight percent: carbon: 0.4-0.5%; silicon: 1.25-1.75%; manganese: 3.0-12.0%; chromium: 19.5-20.5%; nickel: 5.0-6.0%; niobium: 1.00-1.5%.

Abstract: An apparatus and a method for testing a fuel injector nozzle with a tip having at least one fuel outlet are provided. The apparatus comprises a test chamber, a holder for holding the fuel injector nozzle such that the outlet is within the test chamber, a fuel supply arrangement for supplying fuel to the fuel injector nozzle, a sensor having a sensor surface for sensing an atomized fuel spray supplied by the fuel injector nozzle through the fuel outlet and movement module for moving the sensor. The movement module is configured to position the sensor surface of the sensor at a plurality of positions corresponding to a surface of a sphere having a radius R and a center point C adjustable to match a center point ct of the tip of the fuel injector nozzle or a center point cf of an orifice of the fuel outlet.

Abstract: The disclosure relates to a method for optimizing the state of a catalytic converter in a vehicle with a diesel engine when parking the vehicle, the method comprising establishing that a switch-off process for switching off the diesel engine has been initiated, increasing an NH3 feed rate to a first value in order to store a surplus of NH3 in the catalytic converter, stopping the NH3 feed when the speed of the diesel engine falls below a speed threshold or a measured NH3 emission exceeds an emission threshold, and completing the switch-off process. The disclosure also relates to an engine controller and to a computer program.

Abstract: A method for injecting a predetermined total fuel quantity via multiple injections using a fuel injector having a solenoid drive for an internal combustion engine of a motor vehicle is disclosed. The method includes determining a first target injection quantity to be injected per injection to inject the total fuel quantity throughout a series of consecutive injections; and performing a first subseries of consecutive injections, where the fuel injector is actuated according to the first target injection quantity. The method also includes determining a first fuel quantity injected during the first subseries of injections; determining a second target injection quantity to be injected per injection in a second subseries of consecutive injections, to inject the total fuel quantity throughout the first subseries and the second subseries of consecutive injections; and performing the second subseries of injections. The fuel injector is actuated according to the second target injection quantity.

Abstract: A method is disclosed for injecting a gaseous fuel in an internal combustion engine having a combustion chamber and an inlet valve assigned to the combustion chamber. The method includes determining a torque output of the combustion chamber, specifying a comparative value for the torque output, and determining a difference between the torque output and the comparative value. When the difference is less than a given threshold value, the method reduces a first injection quantity of the gaseous fuel depending on the determined difference, which is injected temporally before the inlet valve is closed. When the difference is greater than the given threshold value, the method increases the first injection quantity of the gaseous fuel depending on the determined difference. Also described is a device which may carry out the method.

Abstract: Disclosed is a method and a device for predicting the failure time of the pressure limiting valve of a high-pressure fuel pump of a motor vehicle. The method includes measuring a characteristic parameter of the pressure limiting valve each time the motor vehicle has been switched off, determining and storing a variable determined by using the measured characteristic parameter, determining the time profile of the variable determined from the characteristic parameter, predicting the future profile of the variable determined from the characteristic parameter, and comparing the predicted future profile of the variable determined from the characteristic parameter with a predetermined wear limiting value. The comparison is to predict the time at which the predicted future profile of the variable determined from the characteristic parameter reaches the predetermined wear limiting value.

Abstract: The disclosure relates to a method and a device for diagnosing coking of a secondary air system of an internal combustion engine. The secondary air system has an intake air line for providing secondary air, a secondary air pump for compressing the secondary air, a secondary air valve for controlling the secondary air injection, a pressure sensor that is arranged in the secondary air system downstream of the secondary air pump and upstream of the secondary air valve, and an injection line for injecting the secondary air into an exhaust tract of the internal combustion engine.

Abstract: The teachings of the present disclosure may include operation of a drivetrain system for a vehicle with multiple operation modes. The first includes coupling the AC electric machine with the internal combustion engine for starting the internal combustion engine or for supplying an additional torque. The second includes coupling the internal combustion engine with the AC electric machine for charging the electric battery. The third includes decoupling the AC electric machine from the internal combustion engine and connecting an AC winding to a heating resistance of a catalyst device for electrically heating the catalyst device. The fourth includes coupling the internal combustion engine with the AC electric machine to the heating resistance for electrically heating the catalyst device.