Abstract: Various embodiments 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 via which the alternating current terminal is connected to the configuration device. The configuration device connects the rectifier to the at least two smoothing capacitors and is configured to connect the smoothing capacitors to one another in a first parallel arrangement and a second series arrangement. The alternating current terminal comprises a neutral conductor terminal connected via a diode circuit to the configuration device.

Abstract: Various embodiments of the teachings herein include a vehicle-side charging apparatus comprising: an AC voltage connection; a rectifier connected to the AC voltage connection; a first DC/DC converter and a second DC/DC converter; and a DC voltage connection. Each DC/DC converter includes a intermediate circuit capacitor and a switch unit. The rectifier is connected to the DC voltage connection via the DC/DC converters. There is a switch connecting the DC/DC converters in a switchable manner. In a first switching state the respective intermediate circuit capacitors and the respective switch units of the DC/DC converters are connected in parallel with one another and in a second switching state in series with one another. There is a third DC/DC converter connecting the rectifier to the DC voltage connection.

Abstract: An electric machine includes an annular stator and a rotor disposed within the stator. The stator has a multiplicity of stator segments in a circumferential direction. Each of the stator segments has one or more inner grooves, disposed in the region of the inner circumference of the stator segment, and a winding window which is disposed in the region of the outer circumference of the stator segment. A stator winding is wound in toroidal fashion around the stator segment. The winding window is partially surrounded at its radial outer side by stator segment outer arms in such a way that a radially directed outer gap extending from the winding window to the outer circumference of the stator segment is formed between the stator segment outer arms.

Abstract: A valve for blocking and releasing a flow path, having an electromagnetic actuator unit, a pin axially movable by the electromagnetic actuator unit, a closure element connected to the pin. The closure element is designed to block and release a flow path and has a first axial end arranged remotely from the flow path and is connected to the pin, and a second axial end arranged in the flow path, and a housing which receives at least the pin and the first axial end of the closure element. At least in a region of its first axial end, the closure element has a radially circumferential seal with an outwardly protruding seal lip. The seal lip lies sealingly against a region of the housing in a closed state of the valve, and the seal lip has at least one radially circumferential bead.

Abstract: A flap configuration opens and closes a wastegate channel in a turbine housing of a turbocharger. The flap configuration has a lever element having a through-bore in which a cylindrical bushing is arranged. A flap having a pin is arranged on the lever element such that the pin passes through the bushing. A cover disk is arranged on an opposite side from the flap and has an opening through which the pin of the flap passes. The flap is riveted to the lever element by the pin.

Abstract: A fuel-conveying system includes: a primary fuel pump, configured to supply fuel to an internal combustion engine of a vehicle, at a fuel pressure; a suction jet pump configured to convey fuel from a first region of a fuel tank of the vehicle to a second region of the fuel tank, the at least one suction jet pump having a nozzle; and a secondary fuel pump, decoupled from the primary fuel pump and configured to: supply, as required, the suction jet pump with a fuel jet, and set, independently of the primary fuel pump, a pressure of the fuel jet before the nozzle of the suction jet pump.

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: Various embodiments include methods for determining an electrical fault of a conductivity sensor for ascertaining the electrical conductivity of a medium using a conductivity principle, wherein the conductivity sensor comprises a first electrode pair fully disposed in the medium comprising: applying an electrical alternating voltage to the first electrode pair; measuring a temporal profile of the electrical alternating current at the first electrode pair resulting from application of the electrical alternating voltage at the first electrode pair; ascertaining a current-amplitude characteristic value from the temporal profile of the electrical alternating current; and identifying an electrical fault of the conductivity sensor if the current-amplitude characteristic value is below a first current threshold value or above a second current threshold value.

Abstract: An emergency operation method for actuating a fuel pump after a first temperature threshold for an actuation electronics system of the fuel pump has been exceeded including reducing a power consumption of an electric motor that drives a pump stage by the actuation electronics system by reducing a rotational speed until a monitored temperature value falls below a second temperature threshold below the first temperature threshold. Emergency operation method is initiated after the first temperature threshold is exceeded by a fault signal output by the actuation electronics system to an engine control unit is communicatively connected to the actuation electronics system. The fault signal, as long as it is output, is used to suppress a specification for the rotational speed of the electric motor on the part of the engine control unit and instead to specify the rotational speed by way of the actuation electronics system.

Abstract: A storage-battery charging device for a motor vehicle is configured to be arranged in the motor vehicle. The storage-battery charging device includes a first stage with a power factor correction filter, and a second stage with an inverter. The first stage is electrically connected to the second stage through an intermediate node, the intermediate node being directly electrically connected to a feed-in connection point for direct voltage. The feed-in connection point is designed for direct electrical coupling to a high-voltage vehicle electrical system of the motor vehicle.

Abstract: A method for calibrating a fuel pump for use in a fuel supply system of a device having internal combustion engine includes determining a tolerance-conditioned and wear-conditioned deviation of the fuel pump with respect to its delivery behavior so that the calibration permits energy-consumption-optimized actuation of the fuel pump.

Abstract: A printed circuit board mounting arrangement, in particular for use in environments with an aggressive vibration profile such as a motor vehicle, includes a housing and a circuit board secured to a connector body by mechanical press fit pins extending through location holes on a flange formed on the connector body to the printed circuit board. The arrangement provides for a secure connection that can achieve a high IP rating.

Abstract: A fuel pump, in which a connecting piece for a fuel line and electrical connecting lines are radially guided in a motor housing, includes an electric motor. The motor housing has a section made of plastic such that the fuel pump has reduced axial dimensions.

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: A honeycomb body for exhaust gas aftertreatment, having a multiplicity of stacked layers. Flow channels are formed between the layers, which extend along the axial extent of the honeycomb body and are flowed through in the axial direction. The honeycomb body has first structured layers formed by successive wave peaks and wave valleys. Protuberances in the direction of the wave peaks belonging to a respective layer are formed from adjacently arranged wave valleys of a first structured layer. The adjacently arranged protuberances of a first structured layer form a channel-like structure extending in the circumferential direction in the first structured layer into which a second layer is inserted to be is fixed in the axial direction with respect to the first structured layer.

Abstract: Various embodiments include an apparatus for ascertaining a heating temperature of a heating element for an electrically heatable catalytic converter comprising: a catalytic converter housing surrounding the heating element and the catalytic converter; a first temperature sensor arranged in the housing; and a second temperature sensor arranged in the housing downstream of the first temperature sensor with regard to an exhaust gas flow direction within the housing. The first temperature sensor is exposed to radiation from the heating element and the second temperature sensor is shielded from radiation from the heating element.

Abstract: Methods comprising: arranging a binary lambda sensor and a second sensor downstream of a catalytic converter; when the engine is run for the first time, using an initial lambda setpoint for closed-loop control; measuring the NH3 value in the exhaust gas; simultaneously measuring the signal from the binary lambda sensor; if the NH3 value lies above a first threshold value, reducing the lambda setpoint value of the binary lambda signal until the NH3 value lies below the first threshold value or the binary sensor signal lies below a second threshold value; recording the corresponding binary sensor signal when the NH3 value passes the first threshold value, for binary sensor signal setpoint value adaptation, as Vbinary-left; and calculating the real lambda setpoint value.

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: An SCR dosing pump assembly for conveying and providing a liquid exhaust gas purification additive includes: a plastic housing; a multi-part aluminum frame having first part and a second part; and at least one positive temperature coefficient (PTC) heating element configured as an electrically conductive contact between the first part and the second part of the aluminum frame. No further electrically conductive contacts exist between the first part and the second part of the aluminum frame. The multi-part aluminum frame is molded into the plastic housing of the SCR dosing pump assembly.

Abstract: A valve includes a housing, a solenoid arranged in the housing, a pin movable by the solenoid, a pot-shaped piston connected to the pin, and a first seal arranged between the housing and the pot-shaped piston. The pot-shaped piston has, at least in the region of its open end, a radially peripheral second seal that bears against a second housing part when the valve is closed, the second housing part being connected to the housing.