Abstract: A method for calibrating a crankshaft sensor, of the type including a crankshaft wheel and a sensitive element facing the latter, during replacement of the crankshaft sensor, includes the following steps: saving an old angular position of a camshaft sensor wheel relative to the crankshaft wheel, which is achieved using the old crankshaft sensor, replacing the old crankshaft sensor with a new crankshaft sensor, determining a new angular position of the same camshaft sensor wheel relative to the crankshaft wheel, which is achieved using the new crankshaft sensor, correcting the measurement of the crankshaft sensor by applying an offset equal to the difference between the new angular position and the old angular position.

Abstract: A device for a presence detection system for detecting the presence of a user close to a motor vehicle is configured to: activate a piezoelectric element during an “awake” time interval to stabilize the piezoelectric element; then, control the supply of voltage to an oscillator and supply the oscillator with a reference electrical signal forming a current voltage reference, so the transceiver circuit transmits a signal during what is called a “transmission” time interval; during the transmission time interval, measure the frequency of a reflected signal resulting from the transmitted signal, measure the frequency of the transmitted signal, and determine a corrected reference based on the measured frequency of the transmitted signal, allowing the oscillator to operate at a target frequency value. This allows limiting the energy consumption of a transceiver device used to detect the presence of a user close to a motor vehicle.

Abstract: A charging device module for installation in an electrically driveable vehicle, including a charging device and an internal cooling circuit for cooling the charging device, wherein the internal cooling circuit has connections for connection to a superordinate cooling circuit of the vehicle, wherein the connections comprise at least one inlet and at least one outlet, and a bypass line connects the at least one inlet to the at least one outlet while bypassing the internal cooling circuit, wherein an actuable valve is associated with the at least one inlet, by which valve the flow of coolant through the internal cooling circuit and the bypass line can be controlled.

Abstract: A honeycomb body for exhaust gas aftertreatment includes a plurality of interconnected metal foils stacked on one another. The honeycomb body has a central first flow channel running in the axial direction of the honeycomb body, as an inflow section, and has a plurality of second flow channels between in each case two mutually adjacent metal foils. The first flow channel is in fluid communication with the second flow channels. The second flow channels formed between two mutually adjacent metal foils run in a straight line and parallel to one another along a radial direction of the honeycomb body.

Abstract: The disclosure relates to a method and a device for operating a hybrid vehicle having an internal combustion engine, an electric motor, a fuel tank, an activated carbon filter, an air filter, an intake tract, a purging line arranged between the activated carbon filter and the intake tract, a purge air pump arranged between the activated carbon filter and the intake tract, a tank purge valve arranged between the purge air pump and the intake tract, and a ventilation arranged between the fresh air filter and the activated carbon filter. The hybrid vehicle can be operated in an electric mode in which the electric motor is activated and the internal combustion engine is deactivated. In such a hybrid vehicle, in electric mode the purge air pump is activated and detection of the concentration of hydrocarbons present in the activated carbon filter is performed with the purge air pump activated.

Abstract: The disclosure relates to a method and a device for evaluating a signal. The signal is provided from a signal source via a signal conditioning unit to a microcontroller for signal evaluation. The method includes detecting the signal from the signal source and transmitting the signal to the signal conditioning unit, which has an anti-aliasing filter. The method also includes filtering the signal by the anti-aliasing filter, which is set on the basis of the signal to be detected and providing the filtered signal to the microcontroller. The method also includes processing and evaluating the filtered signal in the microcontroller.

Abstract: A distributing device D for supplying a pressurized liquid to individual cleaning locations of a vehicle. Here, the distributing device includes a housing with an electric-motor-drivable distributor arranged therein and also includes liquid-receiving and liquid-guiding means. Here, the distributor is rotatably adjustable relative to the housing into individual defined positions in which a feed connection AZ charged with liquid pressure is fluidically connected to one of multiple discharge connections ARSi, ARSi+1 . . . ARSi+n for providing a supply to an associated cleaning location. Here, the distributor, which is of substantially cylindrical form, directs the liquid—according to rotational adjustment—via radially circumferential liquid-receiving and liquid-guiding means to one of the discharge connections ARSi, ARSi+1 . . . ARSi+n.

Abstract: Various embodiments of the teachings herein include a method for heating a catalytic converter arranged in an exhaust-gas tract of an internal combustion engine and comprising an electric heating device. An example method may include: activating the electric heating device with a specified heating power at a time before the internal combustion engine is started; monitoring the catalyst temperature in a region of the catalytic converter adjacent the heating device; before the catalyst temperature has reached a predetermined first threshold value, supplying a secondary air mass flow with a first flow rate is supplied into the exhaust-gas tract upstream of the catalytic converter; and after the catalyst temperature has reached the predetermined first threshold value, increasing the secondary air mass flow to a second flow rate greater than the first flow rate.

Abstract: Disclosed is a method for controlling an engine control unit which includes at least two microprocessor cores, including steps of executing a parent subtask and at least one child subtask. The method includes the following steps: —determining the number of executables which remain to be executed in the last child subtask of the first period when the parent subtask of the second period starts; and—determining the number of executables already executed in the parent subtask of the second period when the last child subtask of the first period finishes.

Abstract: A method for determining the load of a fuel vapor retention filter in a fuel evaporation retention system of an internal combustion engine. The fuel evaporation retention system includes: a fuel supply container for storing fuel, a connection line which couples the fuel supply container to the fuel vapor retention filter, a regeneration line which couples the fuel vapor retention filter to an intake tract of the internal combustion engine and in which an electrically controllable flow control valve is arranged, a ventilation line which couples the fuel vapor retention filter to the atmosphere, an electrically controllable purging air pump arranged in the regeneration line, such that purging air can be directed through the fuel vapor retention filter and supplied to the intake tract in order to regenerate the fuel vapor retention filter.

Abstract: A multiport valve, having a housing having at least two connectors, a control element for blocking at least one of the connectors, the control element disposed to be rotatable in a recess of the housing. An external contour of the control element has a compression portion which in at least one first position of the control element compresses a first seal disposed on a first one of the connectors. The external contour of the control element has a decompression portion that has a smaller radius than the compression portion and in at least one further position of the control element lies opposite the first seal such that the control element compresses the first seal to a lesser extent than in the first position.

Abstract: The disclosure relates to a method for checking and ensuring the functionality of an exhaust gas aftertreatment system of an internal combustion engine. The exhaust gas aftertreatment system has a catalytic converter and a voltage source. The catalytic converter has a catalytic converter area and an electrical heating device which is selectively supplied with electrical energy from the voltage source. The method includes determining an actual value which is characteristic of an ohmic resistance of the heating device. The actual value being determined by using an electrical current strength supplied to the heating device and an electrical voltage supplied to the heating device from the voltage source. The method also includes providing a setpoint value which is characteristic of an expected ohmic resistance of the heating device. The setpoint value takes into account a specific heating-up behavior of the heating device and an expected long-term behavior of the catalytic converter.

Abstract: The disclosure relates to a method of controlling a dog clutch by a DC motor configured to move the dog clutch via an actuator arm). The dog clutch including at least one gear having one or more dogs configured to engage one or more dogs of a sliding sleeve). The method includes supplying the DC motor with a pulse width modulated voltage having a duty cycle which is provided by a control algorithm). The control algorithm includes a trajectory planner generating a desired position of the actuator arm based on a 4th order trajectory planning algorithm and a motion controller based on the sliding mode theory for tracking the desired arm position.

Abstract: Disclosed is a method for detecting a disappearance of a task in an environment including at least one recurring parent task that triggers, in nominal mode, on each occurrence, at least one child task, including the following steps: evaluating a parent duration elapsed between the last occurrence and the penultimate occurrence of the parent task, evaluating a child duration elapsed between the last occurrence and the penultimate occurrence of the child task, comparing the parent duration and the child duration, it being concluded that an occurrence of the child task has disappeared if the child duration, preferably with a margin, is longer than the parent duration.

Abstract: A current source sensor delivers detection information in the form of an intermediate signal by selectively applying a low-level or high-level current to a communication bus depending on the passage of a mobile target, the sensor including a sensitive portion detecting the passage of a of the mobile target, an electronic module controlling and shape signals coming from the sensitive portion, an embedded intelligence module designed, inter alia, to receive information from another sensor through a first signal present on the communication bus, the first signal being the sum of the abovementioned intermediate signal generated by the sensor and of another intermediate signal generated by the other sensor, wherein the embedded intelligence module is adapted to modify a first low level and a first high level of the intermediate signal, respectively, into a second low level and into a second high level depending on a the first signal.

Abstract: A method, for an internal combustion engine including an intake camshaft equipped with a variable intake valve timing device including an intake timing actuator and an exhaust camshaft equipped with a variable exhaust valve timing device including an exhaust timing actuator, of detecting inverted connection of the intake timing actuator with the exhaust timing actuator, including: measuring the angular position of the intake camshaft and the angular position of the exhaust camshaft; commanding one of the two timing actuators according to a setpoint and keeping the other of the two timing actuators immobile; measuring the angular positions of the intake camshaft and of the exhaust camshaft; and comparing: if the angular position of the camshaft corresponding to the timing actuator that's been commanded has not been modified, and if the angular position of the camshaft corresponding to the immobile timing actuator has been modified, inverted connection can be diagnosed.

Abstract: The disclosure relates to a method for determining the icing condition of a component of the exhaust-gas system of a motor vehicle that is not arranged directly in the exhaust-gas mass flow and/or of the feed line of the component. The method includes: determining a water quantity actually present in the component and in the feed line thereof and the state of aggregation of the water quantity; determining an energy quantity required for deicing and for volatilizing the water quantity; and determining an energy quantity supplied for deicing and for volatilizing the water quantity by radiated heat from components arranged directly in the exhaust-gas mass flow of the exhaust-gas system of the motor vehicle to the surroundings. The method also includes determining the icing condition of the component by comparing the energy quantity supplied for deicing and for volatilization with the energy quantity required for deicing and for volatilization.

Abstract: Various embodiments of the teachings herein include a method for heating a catalytic converter arranged in an exhaust-gas tract of an internal combustion engine and comprising an electric heating device. An example method may include: activating the electric heating device with a specified heating power at a time before the internal combustion engine is started; monitoring the catalyst temperature in a region of the catalytic converter adjacent the heating device; before the catalyst temperature has reached a predetermined first threshold value, supplying a secondary air mass flow with a first flow rate is supplied into the exhaust-gas tract upstream of the catalytic converter; and after the catalyst temperature has reached the predetermined first threshold value, increasing the secondary air mass flow to a second flow rate greater than the first flow rate.

Abstract: A signal transmitter for a fill level sensor, a conductor path arrangement is printed on a resistor arrangement. The resistor arrangement is located below a slideway and is accessible between conductor path sections for trimming of the resistor. The signal transmitter is of particularly compact configuration and can be produced at low cost.

Abstract: A pump stage assembly including at least two pump suction stages and at least one pump pressure stage. The pump suction stages and the pump pressure stage are arranged spaced apart from one another in a pump housing PG and have a common drive shaft. The pump suction stages are formed by a first assembly of intermeshing external gearwheels that lie in a first plane, and the pump pressure stage is formed by a second assembly of intermeshing external gearwheels that lie in a second plane. A first delivery volume flow can be drawn in from a first region of a dry sump by a first pump suction stage, and a second delivery volume flow can be drawn in from a second region of the dry sump by a second pump suction stage. The two delivery volume flows intermix in the pump housing before they reach an oil tank.