Abstract: The disclosure relates to a method and a device for determining an ambient pressure that prevails around a control unit. The control unit includes a housing, which has an opening, and a membrane having a particular permeability, which covers the opening. A pressure sensor is arranged inside the housing. The method includes: recording a pressure measurement value with the pressure sensor, the pressure measurement value being characteristic of an internal pressure inside the housing; determining a correction value, which includes a constant and a variable; and determining the ambient pressure by way of the pressure measurement value that has been determined and the correction value that has been determined.

Abstract: The disclosure provides a vehicle electrical system equipped with a high-voltage branch and a first low-voltage branch, which is galvanically isolated from the high-voltage branch by insulation. The low-voltage branch has at least one low-voltage line, which leads to the high-voltage branch. The low-voltage branch has a voltmeter. The voltmeter is connected in a signal-transmitting manner to the at least one low-voltage line. Furthermore, the voltmeter is set up to detect whether an absolute voltage value of the at least one low-voltage line with respect to a ground potential of the vehicle electrical system lies above a voltage limit. The voltage limit defines an absolute voltage value which is greater than the absolute value of a maximum signal voltage of the low-voltage line, which the low-voltage line has during fault-free operation.

Abstract: A device for the aftertreatment of exhaust gases from an internal combustion engine has a tubular first flow section, a deflecting region and a annular second flow section, the second flow section being arranged between an inner wall delimiting the first flow section and an outer wall delimiting the second flow section. At least one annular honeycomb body is arranged in the second flow section, and at least one annular heating disk is arranged in the second flow section, the heating disk being electrically contactable by at least two electrical feedthroughs, which are arranged on the outer wall.

Abstract: A fuel delivery assembly has a sheet-metal casing that sealingly encloses an electric motor and a pump by rolling, a suction-side inlet opening, and a pressure-side outlet opening. The electric motor has a first stator and a rotor, the first stator is provided with a plastic extrusion coating which forms a ring running in encircling fashion between the first stator and the pump. A fuel delivery unit for use in a fuel tank of a vehicle, having a fuel delivery assembly and having a surge tank in which the fuel delivery assembly is arranged in order to deliver fuel from the surge tank to an internal combustion engine.

Abstract: A device for treating exhaust gases of an internal combustion engine includes: a heating disk arranged in a housing; and a main catalytic converter arranged downstream of the heating disk in the flow direction in the housing. The flow can pass through the heating disk and the main catalytic converter in the flow direction along a plurality of flow channels. The heating disk is formed from a metallic honeycomb body and the main catalytic converter is formed from a ceramic honeycomb body fixed in relation to the housing by a fixing structure. The heating disk is electrically contacted by an electrical feedthrough guided through the housing from the outside to the inside.

Abstract: The present disclosure relates to a method for detecting and distinguishing a cause of at least one combustion misfire of an internal combustion engine. The internal combustion engine has several cylinders, at least one exhaust gas tract, and an exhaust gas sensor which is arranged in the exhaust gas tract. The method includes the following steps: acquisition of a measurement signal with the exhaust gas sensor over a certain first period of time gas tract; subdivision of the measurement signal into measurement signal sections; assignment of the measurement signal sections to the corresponding cylinders, whereby cylinder-selective measurement signal profiles are produced that are characteristic of the respective oxygen content downstream of the respective cylinders over the determined first period of time of time; and evaluation of the cylinder-selective measurement signal profiles to detect at least one combustion misfire of the internal combustion engine.

Abstract: A semiconductor assembly includes a semiconductor component having a redistribution substrate with a top side, an underside and a semiconductor chip on the top side. Contact connection pads for connection to contact pads of the chip are on the top side of the substrate. External contact pads on the underside are electrically connected to the contact connection pads by conductor tracks. The external contact pads are at a greater distance from one another in a first region than a second region of the underside. The semiconductor component is on a printed circuit board. Contact pads corresponding to the external contacts are on a top side of the printed circuit board and are at a greater distance from one another in a first region than a second region of the top side. Through holes are formed between the contact pads in the first region of the printed circuit board.

Abstract: An on-board vehicle electrical system is provided with a rechargeable battery, an AC voltage connection and a DC voltage connection. The DC voltage connection is connected directly to the rechargeable battery via a connection point. The AC voltage connection is connected to the rechargeable battery via a rectifier and a first switch via the connection point. The rectifier is connected to the rechargeable battery via a DC-isolating DC/DC converter and a second switch. The second switch is connected to the rechargeable battery via the connection point. There is at least one consumer on-board electrical system branch, which includes a Cy capacitance and which is connected to the rechargeable battery via the second switch.

Abstract: Various embodiments include methods for operating a motor vehicle during a journey along a route comprising: determining an upcoming potential stopping point along the route; upon approach to the potential stopping point, calculating a value for a probability of a stopping procedure of the motor vehicle at the stopping point at least in part on a stopping model; and, if the probability value is in a predetermined range of values defining a likely occurrence of the stopping procedure, triggering a predetermined operating measure to adapt operation of the motor vehicle to the stopping procedure. The stopping model includes a statistical model providing intermediate values between 0% and 100% for the probability value.

Abstract: The invention relates to a tensioning and holding apparatus (6) having at least one tensioning means (12a, 12b, 13a, 13b) for a cubic or cuboidal object (1) of variable geometry and/or dimensions that can be fixed by pretensioning, wherein the object has a respective end plate (4, 5) at two opposite ends. According to the object of the invention, this tensioning and holding apparatus should be able to be mounted particularly easily and be produced cost-effectively.

Abstract: A method for inspecting and maintaining a motor vehicle including at least one actuator controlled by at least one electronic computer, and a supervision computer. The inspection and maintenance method including: a) coupling the supervision computer, b) interrogating the electronic computer, if an anomaly is present on at least one actuator, then the method includes: c) identifying the defective actuator, d) launching a test campaign involving: 1) reading predefined values, 2) applying a control signal to the actuator, 3) measuring actuation parameters of the actuator, 4) analyzing the results, e) proposing new parameters, f) applying the control signal with the new parameters, and g) recording the new parameters in the electronic computer.

Abstract: A device controls a safety-relevant electronic system and has a power supply. The power supply is supplied with a battery voltage at a first input terminal and supplies a first supply voltage at a first output terminal which is lower than the battery voltage. A microcontroller for generating a first control signal, provided at a first control output of the microcontroller for processing by way of a control unit, is supplied with the first supply voltage at a second input terminal. A monitoring unit for generating a second control signal, provided at a second control output of the monitoring unit for processing by the control unit, is supplied with the first supply voltage at a third supply potential input terminal. The third supply potential input terminal, the second control output and the second data port of the monitoring unit are configured to be voltage-proof with respect to the battery voltage.

Abstract: Disclosed is a method for controlling an engine torque for a diesel engine, characterized in that the engine torque control is implemented in an injection system. The injection system in question includes a high-pressure pump controlled by an engine control unit, the high-pressure pump supplying a fuel supply rail, the pump being dimensioned to be capable of delivering a capacity volume of compressible fuel for each combustion cycle of the diesel engine. It also includes a pressure sensor for measuring the pressure of the fuel in the fuel rail.

Abstract: The disclosure relates to a tank ventilation apparatus for a motor vehicle which has a scavenging line which is arranged between an activated-carbon container and an intake line of the motor vehicle and in which an electrically driven scavenging pump is arranged. Furthermore, an electrically controllable directional control valve is provided in the scavenging line between the activated-carbon container and the electrically driven scavenging pump.

Abstract: A method for controlling an electric drive system for an electric vehicle, the electric drive system being subdivided in an electric machine subsystem having a first electric machine and a second electric machine and in a remaining subsystem having at least an electric storage device. The method includes: determining an allowable remaining system power range for the remaining system; determining an allowable first machine power range for the first electric machine and an allowable second machine power range for the second electric machine; and determining an allowable first machine torque range. The method also includes: determining an allowable second machine torque range; determining a first machine torque setpoint for the first electric machine and determining a second machine torque setpoint for the second electric machine; and operating first electric machine to realize first machine torque setpoint and operating second electric machine to realize second machine torque setpoint.

Abstract: A controller for actuating a load includes first and second supply connections. The first supply connection is connected to a high supply voltage potential or the second supply connection is connected to a low supply voltage potential. A controllable switching element is connected between the supply connections. A control unit is connected to the controllable switching element. A control signal transceiver is connected to the first supply connection and to the control unit. A first voltage supply unit is connected to the control signal transceiver. A second voltage supply unit with an energy storage element is connected to the control unit. A coil is connected between the first supply connection and the controllable switching element. A diode is connected to a connection point of the coil and the controllable switching element and to supply connections of the first and second voltage supply units.

Abstract: Various embodiments of the teachings herein include a charging circuit for a vehicle-side electrical energy store comprising: an alternating current terminal; at least two smoothing capacitors; a configuration device; and a rectifier connecting the alternating current terminal to the configuration device. The configuration device connects the rectifier to the smoothing capacitors, and the configuration device is programmed to connect the smoothing capacitors to one another in a first parallel connection and a second series connection. The alternating current terminal comprises a neutral conductor terminal connected to the configuration device via a diode circuit. The configuration device comprises a first switch connecting the smoothing capacitors to one another in parallel when closed. The configuration device comprises a diode connecting the smoothing capacitors to one another in series when closed.

Abstract: Various embodiments of the teachings herein include methods for operating a motor vehicle having combustion chambers. The methods may include: closing the combustion chambers of the motor vehicle towards the exhaust tract by bringing outlet valves of the combustion chambers into the closed state; checking whether the outlet valves of the combustion chambers of the motor vehicle are in a closed state by evaluating the pressure prevailing in an intake pipe of the motor vehicle; and in the event one or more of the outlet valves are not in a closed state, initiating countermeasures to comply with emissions protocols.

Abstract: A method for detecting a special operating state of a motor vehicle which differs from a normal operating state of the motor vehicle, in which a noise emitted by the motor vehicle during operation of the motor vehicle is captured in the interior of the motor vehicle using a mobile apparatus which is separate from the motor vehicle, and the noise is compared with a plurality of reference noises provided by the mobile apparatus, the noise being assigned to a most similar reference noise of the plurality of reference noises on the basis of the comparison if a minimum similarity value is exceeded, and the special operating state being detected by the assignment which has been carried out.

Abstract: A fuel vapor emissions control device includes: —an absorbent filter; —a purge circuit including: a pump equipped with an intake and with a delivery outlet; an upstream duct; and a downstream duct. The pump includes an intake chamber into which the intake opens. The upstream duct is connected by one of its ends to the absorbent filter and via the other of its ends opens into the intake chamber. The downstream duct includes a double tubular wall defining two separate conduits.