Abstract: A rotational speed sensor arrangement is provided that includes a transmitter wheel, which has signal markers that are spaced apart from one another; a sensor with at least two Hall sensor elements that form a differential Hall sensor and that each output a Hall signal as a function of the position and/or motion of the signal markers; and a signal circuit that determines an output signal based on the Hall signal, and defines a rotational position of the transmitter wheel based on the output signal, wherein the signal markers have radially extending tooth elements with two switching flanks, and the switching flanks converge in a switching edge. A drive shaft arrangement, an internal combustion engine, and a motor vehicle are also provided.

Abstract: A method for controlling and/or regulating the operation of an internal combustion engine, wherein the relevant specific relative locations of the intake camshaft with respect to the crankshaft are defined and/or controlled with the aid of regulating control values of the engine control unit, in particular for controlling the intake valves between the control value 1 for late and the control value 0 for early, and wherein a specific regulating control value curve and/or specific regulating control values for controlling the relative position of the intake camshaft is or are stored, at least for a specific control period for implementing the load jump, namely at least between the time of the start of the target load jump to the time of the end of the actual load jump corresponding to the target load jump.

Abstract: A seat belt buckle assembly for a motor vehicle, and also to a method for installing the seat belt buckle assembly, wherein the seat belt buckle assembly has at least one seat belt buckle, a linear belt force limiter in operative connection with the at least one seat belt buckle, and a fitting, via which fitting at least the seat belt force limiter is arranged to be body-mounted. Furthermore, the seat belt force limiter is arranged such that it can rotate on the fitting and is pivotable at least between an installation position and an operating position. To install the seat belt buckle assembly, the seat belt buckle assembly is body-mounted to the motor vehicle by the fitting in the installation position of the seat belt force limiter, and the seat belt force limiter is pivoted into the operating position after the mounting of the seat belt buckle assembly.

Abstract: An arrangement of a fluid-carrying element directly or indirectly on a housing of a compressor, wherein the fluid-carrying element is fluidically connected to the compressor, wherein a separate detection line having a detection opening is provided and the fluid-carrying element has at least one seal for closing the detection opening, which closes the detection opening in a desired assembly position, and wherein for detecting the pressure in the detection line, at least one pressure sensor is provided.

Abstract: A method for charge pressure control of an internal combustion engine that is an integral part of a drive train, wherein the drive train comprises at least the internal combustion engine, an intake line, an exhaust gas line, and an exhaust gas turbocharger. The internal combustion engine has at least one intake valve that fluidically connects the intake line to a combustion chamber of the internal combustion engine, and at least one exhaust valve that fluidically connects the combustion chamber to a first section of the exhaust gas line. The exhaust gas line has a first section between the combustion chamber and the exhaust gas turbocharger, and a second section downstream from the exhaust gas turbocharger. The exhaust gas turbocharger and/or a bypass that bypasses the exhaust gas turbocharger are/is adjustable. In the method, an opening point in time of the at least one intake valve and a closing point in time of the at least one exhaust valve are taken into account.

Abstract: A cover for a storage compartment in a motor vehicle, having a top side and a bottom side, is characterized by ventilation slots or ventilation ducts which penetrate the cover, wherein at least some of the ventilation slots or ventilation ducts have slot walls or duct walls which form an angle ? of 20° to 70° with the top side of the cover.

Abstract: A vehicle seat with a ventilation device which is paired with at least two fans. It is provided that only one of the at least two fans is provided with a bus signal as an input signal which is converted into a PWM signal for the at least one other fan in a signal converter wherein the signal converter has at least one output which provides the PWM signal, generated for the at least one fan, to an input of the at least one further fan.

Abstract: A cooling system of an internal combustion engine includes a plurality of components in the form of heat sources, coolant pumps, actuator devices, and temperature sensors that are fluidically connected to one another via coolant lines, wherein a plurality of cooling circuits, each including at least one of the various components, is formed. In addition, a control device is provided that is in signal-conducting connection with at least one of the temperature sensors, with at least one of the coolant pumps, and with at least one of the actuator devices.

Abstract: The invention relates to a method for exhaust gas aftertreatment in an internal combustion engine. For purposes of the exhaust gas aftertreatment in the internal combustion engine, an exhaust gas system is provided in which a first three-way catalytic converter is arranged, as seen in the direction in which the exhaust gas of the internal combustion engine flows through the exhaust gas system, while at least another three-way catalytic converter is arranged downstream from the first three-way catalytic converter. Here, at least one lambda probe is arranged in an exhaust gas channel of the exhaust gas system upstream from the appertaining three-way catalytic converters. In the proposed method, a component temperature of the three-way catalytic converters is determined and compared to a light-OFF temperature.

Abstract: A method for controlling the charging process of an electrical energy storage device, at an electric charging device, wherein the charging device has a temperature control system and the energy storage device has a temperature control system, including at least the following steps: transfer of electrical energy between the charging device and the energy storage device, transfer of thermal energy between a temperature control system of the charging device and the temperature control system of the energy storage device, obtaining charging progress information, and closed-loop or open-loop control of at least a first temperature of a cooling medium in the temperature control system of the charging device and/or of the energy storage device as a function of the charging progress information.

Abstract: The invention relates to a safety system for an electrically drivable motor vehicle, with a first brake system and with a second brake system which comprises at least one electric machine designed for driving the motor vehicle, and with a third brake system, wherein the safety system is switchable from a normal operation mode, in which the motor vehicle can be braked by means of the first brake system, into a failure operation mode, in which the motor vehicle can be braked by means of the second brake system. The failure operation mode comprises a failure mode A, in which the motor vehicle can be braked by means of the third brake system, and a failure mode B, in which the motor vehicle can be braked by means of the second brake system.

Abstract: A method for controlling the charging process of an electrical energy storage device, at an electric charging device, wherein the charging device has a temperature control system and the energy storage device has a temperature control system, including at least the following steps: transfer of electrical energy between the charging device and the energy storage device, transfer of thermal energy between a temperature control system of the charging device and the temperature control system of the energy storage device, and transmission of at least one first item of information from a computing unit associated with the charging device to a computing unit associated with the energy storage device, and/or transmission of at least one second item of information from a computing unit associated with the energy storage device to a computing unit associated with the charging device.

Abstract: The present invention relates to a method for inspection of a multilayer electrode sheet for a battery cell, comprising at least the following steps: joining together at least two functional layers; connecting the functional layers to form an electrode-separator assembly; detecting at least part of a surface of the electrode-separator assembly by means of a detection device for generating a measurement result; evaluating the generated measurement result and generating an evaluation result; and outputting the evaluation result.

Abstract: A method for determining a basic boost pressure of a gas conducting system of an internal combustion engine with a turbocharger that has a compressor, a turbine, a shaft connecting the compressor and the turbine, and a turbocharger actuator for varying a flow velocity through the turbine or a pressure ratio across the turbine. The method comprises calculation of an exhaust gas back pressure at the open turbocharger actuator position, wherein the flow velocity through the turbine or the pressure ratio across the turbine is minimal in the open turbocharger actuator position, and determination of the basic boost pressure as a function of the calculated exhaust gas back pressure at the open turbocharger actuator position. An engine controller for carrying out a method for determining a basic boost pressure is also provided.

Abstract: A method for operating an internal combustion engine is provided, which has a combustion unit, including a combustion chamber; a fresh gas tract; an exhaust tract, including an exhaust gas sensor integrated therein; and a fuel tank system. During an operation of the internal combustion engine, while purge gas is conducted via a purge gas line a hydrocarbon content of the purge gas is ascertained with the aid of the HC sensor, and the mass flow of the purge gas is also ascertained, and a fuel mass flow introduced into the fresh gas tract is ascertained from these values in combination and a quantity of fuel introduced into the combustion chamber and/or into the fresh gas tract with the aid of at least one fuel injector is adapted.

Abstract: The invention relates to an exhaust gas aftertreatment system for an internal combustion engine comprising a first catalytic converter that has a first exhaust gas inlet to admit the exhaust gas into the first catalytic converter and has an exhaust gas outlet positioned on the opposite side, also comprising a second catalytic converter that is arranged downstream from the first catalytic converter and that is flow-connected to the first catalytic converter in order to allow the exhaust gas to pass from the first catalytic converter into the second catalytic converter and that likewise has a second exhaust gas inlet that is at a physical distance from the exhaust gas outlet of the first catalytic converter. The exhaust gas aftertreatment system also comprises a particulate filter that is arranged downstream from the second catalytic converter and that is flow-connected to the second catalytic converter in order to allow the exhaust gas to pass from the second catalytic converter into the particulate filter.

Abstract: An emergency reporting device in a motor vehicle for manually and/or automatically reporting an emergency to a report center is provided. A hands-free communication apparatus, consisting of at least one microphone and at least one loudspeaker, can be used to communicate with the report center. The microphone is arranged in a first vertical plane extending perpendicularly to a longitudinal direction of the motor vehicle, and the loudspeaker is arranged separate from the microphone in a second vertical plane extending perpendicularly to the longitudinal direction of the motor vehicle. Furthermore, the microphone and the loudspeaker are additionally arranged in a central region of the motor vehicle containing a vertical longitudinal center plane.