Abstract: A method is for operating a vehicle operating device. The vehicle operating device is for influencing a longitudinal and/or lateral movement of a vehicle. The vehicle operating device includes at least one operating unit, which can be manually actuated for controlling multiple vehicle functions. In at least one actuation state, in which one of the vehicle functions is actively controlled by the operating unit, at least one control variable of a non-actively controlled vehicle function is modified, such that an unintentional actuation and/or activation of the non-actively controlled vehicle function is impeded and/or prevented.

Abstract: A cylinder head for an internal combustion engine with a combustion chamber, including a base body with a combustion chamber wall for closing off the combustion chamber of the internal combustion engine, the base body having a hole which penetrates the combustion chamber wall with a first opening and includes a contact section with a tapered inner contact surface; and a sealing sleeve which has a sealing section with a tapered outer sealing surface, wherein the sealing sleeve and the base body are clamped together in such a way that the contact surface and the sealing surface are in sealing contact, and wherein at least one of the contact section and the sealing section is at least partially plastically deformed.

Abstract: An internal combustion engine includes a crankcase for rotatably supporting a crankshaft about a crankshaft longitudinal axis. The crankcase comprises a crankcase water jacket, a cylinder head which is connected to the crankcase and comprises a cylinder head water jacket, and a coolant pump for supplying the crankcase water jacket and the cylinder head water jacket with a coolant volume flow. The crankcase water jacket and the cylinder head water jacket are fluidly connected to one another in series. The crankcase water jacket is suppliable with the coolant volume flow by the coolant pump via a crankcase inlet, and the crankcase water jacket is designed such that the coolant volume flow is directed via a crankcase outlet and is transferred in the direction of the cylinder head water jacket. The crankcase inlet and the crankcase outlet are axially spaced apart. The crankcase inlet is arranged on a first longitudinal side of the crankcase.

Abstract: The disclosure relates to a device for blocking display and/or operating contexts comprising at least one operating apparatus for detecting user interactions, and an evaluation apparatus, configured to determine a current involvement value at least on the basis of the detected user interactions. The evaluation apparatus is configured to compare the current involvement value with at least one interruption threshold value and to establish a blocking state if the current involvement value reaches the interruption threshold value. The evaluation apparatus blocks or at least restricts at least one operating context of the at least one operating apparatus. The current involvement value is increased for each detected haptic user interaction, insofar as the current involvement value has not reached or exceeded the at least one interruption threshold value and the evaluation apparatus is configured to lower, continuously or in increments of time, the current involvement value by a recovery value.

Abstract: A method for registering a device with a connected computing facility includes registering the device with the computing facility by using a first encryption method, defining, in the computing facility, a user-specific and device-specific second encryption method based on device identification data and user identification data, and communicating the second encryption method from the computing facility to the device for future communication. A communication system and an energy supply network are also provided.

Abstract: A cylinder head for an internal combustion engine with a combustion chamber, including a base body with a combustion chamber wall for closing off the combustion chamber of the internal combustion engine, the base body having a hole which penetrates the combustion chamber wall with a first opening and includes a contact section with a tapered inner contact surface; and a sealing sleeve which has a sealing section with a tapered outer sealing surface, wherein the sealing sleeve and the base body are clamped together in such a way that the contact surface and the sealing surface are in sealing contact, and wherein at least one of the contact section and the sealing section is at least partially plastically deformed.

Abstract: A method is for operating a vehicle operating device. The vehicle operating device is for influencing a longitudinal and/or lateral movement of a vehicle. The vehicle operating device includes at least one operating unit, which can be manually actuated for controlling multiple vehicle functions. In at least one actuation state, in which one of the vehicle functions is actively controlled by the operating unit, at least one control variable of a non-actively controlled vehicle function is modified, such that an unintentional actuation and/or activation of the non-actively controlled vehicle function is impeded and/or prevented.

Abstract: A method identifies a diagnosis variable which indicates an aging state of an operating device in an electrical energy supply network. In the method, first measurement values of at least one measurement variable are detected at a first measuring point of the operating device. Then simultaneously second measurement values of the at least one measurement variable are detected at a second measuring point of the operating device. The diagnosis variable is identified using respective simultaneously detected first and second measurement values. It is proposed that the first and second measurement values are detected in a time-controlled manner in such a way that a signal of the at least one measurement variable is sampled at a prescribed sampling rate at set times and over a set measurement duration so as to generate time profiles of the first and second measurement values.

Abstract: The present invention relates to a method of preparing cis-cedrene diol comprising providing alpha-cedrene in a solvent comprising or consisting of water and at least one further protic solvent, adding potassium permanganate and a base and, optionally, removing the further protic solvent from the reaction mixture.

Abstract: An internal combustion engine includes a crankcase for rotatably supporting a crankshaft about a crankshaft longitudinal axis. The crankcase comprises a crankcase water jacket, a cylinder head which is connected to the crankcase and comprises a cylinder head water jacket, and a coolant pump for supplying the crankcase water jacket and the cylinder head water jacket with a coolant volume flow. The crankcase water jacket and the cylinder head water jacket are fluidly connected to one another in series. The crankcase water jacket is suppliable with the coolant volume flow by the coolant pump via a crankcase inlet, and the crankcase water jacket is designed such that the coolant volume flow is directed via a crankcase outlet and is transferred in the direction of the cylinder head water jacket. The crankcase inlet and the crankcase outlet are axially spaced apart. The crankcase inlet is arranged on a first longitudinal side of the crankcase.

Abstract: An oil return valve for a crankcase ventilation system of an internal combustion engine is provided that is essentially situated in the crankcase (3) and includes a valve cylinder (1) and at least one valve pipe (2).

Abstract: A method for the detection of leaks in a heat exchanger having discrete first and second fluid flow paths is disclosed. The method comprising the steps of introducing a contaminant fluid into the first flow path (13) and testing for the presence of the contaminant fluid in the second flow path (14), wherein the pressure in the second flow path (14) is maintained below atmospheric pressure. The pressure in the second flow path may be maintained, for example, at between 0.1 bar (1×104 N/m 2) and 1 bar (1×105 N/m 2) below atmospheric pressure. Apparatus for carrying out the method is also disclosed.

Abstract: A method is for operating a vehicle including a steering system having a steering handle and at least one wheel steering angle actuator operatively connected to the steering handle for changing a wheel steering angle of at least one vehicle wheel. The method includes, in a normal operating state, controlling at least one steering functionality depending on an operating parameter correlated with a current vehicle speed, and, in an operational fault state in which an availability of the operating parameter is restricted and/or a failure of the operating parameter is determined, replacing the operating parameter by a replacement parameter correlated to a replacement speed. The method also includes performing a situationally adjusted transition from the operating parameter to the replacement parameter.

Abstract: The disclosure relates to a device for blocking display and/or operating contexts comprising at least one operating apparatus for detecting user interactions, and an evaluation apparatus, configured to determine a current involvement value at least on the basis of the detected user interactions. The evaluation apparatus is configured to compare the current involvement value with at least one interruption threshold value and to establish a blocking state if the current involvement value reaches the interruption threshold value. The evaluation apparatus blocks or at least restricts at least one operating context of the at least one operating apparatus. The current involvement value is increased for each detected haptic user interaction, insofar as the current involvement value has not reached or exceeded the at least one interruption threshold value and the evaluation apparatus is configured to lower, continuously or in increments of time, the current involvement value by a recovery value.

Abstract: A method recognizes topology in low-voltage networks including local substations each having a plurality of output lines connected to a controllable electrical resource, and a control apparatus of each local substation. The method uses a computer arrangement assigning resources to the control apparatuses based on geographical proximity, selecting an assigned resource, transmitting a test control command specific to the selected resource from the control apparatus to the assigned resources, the test control command configured to trigger a change in power consumption or power output of the selected resource, measuring a change in an electrical variable on the output lines of the local substation by using a measuring apparatus, and assigning the selected electrical resource to that output line of that local substation on which a correlation between test control command and change is recognized. An arrangement for recognizing a topology in a low-voltage network is also provided.

Abstract: An internal combustion engine, in particular a diesel engine, in particular of a motor vehicle, includes at least one working cylinder and one cylinder head closing the working cylinder, in which an injector for injecting fuel is situated for the working cylinder. The engine includes a clamping claw for the injector for injecting fuel, whose one end is supported on the other end, in which at least two arms are provided in such a way that one arm of the clamping claw acts upon an injector in each case, and the injector presses against a seat or a seal in the cylinder head in a sealing manner with the aid of a defined force. The engine also include a clamping screw designed as a push-through screw and including a screw head collar and a corresponding thread is provided in the cylinder head, which fastens the clamping claw at the cylinder head.

Abstract: A method operates a technical or non-technical system. At least one information element of a first type which relates to the system and is dependent on the respective system state of the system is transmitted according to the method from at least one first facility of the system to at least one second facility. The second facility uses at least one information element of a second type which originates neither from the first facility nor from a different facility of the system, i.e. it comes from a source other than the system, to estimate the system state, checks, on the basis of the estimated system state, whether the received information matches the estimated system state to a predefined extent, and, in the event of a match to the predefined extent, regards the information as trusted, and otherwise generates a warning signal indicating a possible data attack.

Abstract: An oil return valve for a crankcase ventilation system of an internal combustion engine is provided that is essentially situated in the crankcase (3) and includes a valve cylinder (1) and at least one valve pipe (2).

Abstract: A method for creating for training an artificial neural network for a state estimation of a power network from a first training dataset, said dataset comprising a plurality of training pairs, each pair formed by a measurement dataset and an associated state of the power network, and the measurement dataset comprises complex apparent powers associated with the power network. The method may include: determining a first training pair, an associated measurement dataset and state with an error greater than or equal to a defined error limit; calculating a second state using a load flow calculation with a complex apparent power modified in comparison with the first dataset; calculating a second measurement dataset from the second state using a measurement model; and creating the second training dataset from the first by adding a second training pair formed from the second measurement dataset and the associated second state.

Abstract: Various embodiments of the teachings herein include a method for ascertaining a state of an electrical grid. The state of the electrical grid is represented by ascertained voltages and ascertained phase angles at one or more grid nodes of the electrical grid. The method may include calculating the state using a computing unit, wherein the computing unit employs an iterative, numerical method on the basis of a plurality of measured values associated with the electrical grid. The numeral method begins with an initial value. The initial value includes an initial state ascertained from the measured values by an artificial neural network.