Abstract: A method of welding and evaluating welds on stator hairpins includes obtaining first data representative of the ends of a first pair of stator hairpins by capturing image data representative of the ends, and processing the image data to obtain a data set representative of a rectangle which fully encloses the end surfaces of the stator hairpins. After the data set is saved, a laser may be used to form a weld on the end surfaces of the stator hairpins. Then, second data is obtained representative of the weld, and the weld is evaluated by comparing the second data to the data set. A system for welding and evaluating welds on the ends of stator hairpins is also disclosed. A digital camera may be used to capture data, and the laser may be used to form the welds on the stator hairpins.

Abstract: A retrofittable sensor unit for controlling a dosing device of a cleaning machine includes an acquisition module having at least one sensor for capturing measurement variables, at least one monitoring unit for determining a current degree of soiling of articles for cleaning on the basis of the captured measurement variables, a communication unit configured to communicate with at least one dosing device, in particular to transmit a dosing command to at least one dosing device depending on the current degree of soiling of the articles for cleaning. The retrofittable sensor unit can be arranged separately from the dosing device.

Abstract: An internal combustion engine may include at least one cylinder and at least one hollow-heat valve. The at least one hollow-head valve may include a valve shaft and a valve head, and may be guided in a valve shaft guide. The engine may also include at least one valve seat ring on which the valve head sealingly lies when the at least one hollow-head valve is closed. The engine may additionally include a valve shaft seal with at least two seal lips and oil disposed between the valve shaft and the valve shaft guide. The at least one valve seat ring may be composed of a sintered metal including infiltrated copper. The valve shaft may include one of a chromium-containing coating and a boron carbide-containing coating.

Abstract: A method for the dosing of cleaning agents in cleaning machines, including the steps: receiving control information items, wherein the control information items are dependent on information about a cleaning machine; determining the progress of a cleaning operation; dosing of cleaning agent depending on the received control information items and the determined progress of the cleaning operation; wherein the information about the cleaning machine can be determined via a sensor-based automatic recognition.

Abstract: The present document relates to audio coding systems. In particular, the present document relates to efficient methods and systems for parametric multi-channel audio coding. An audio encoding system configured to generate a bitstream indicative of a downmix signal and spatial metadata for generating a multi-channel upmix signal from the downmix signal is described. The system comprises a downmix processing unit configured to generate the downmix signal from a multi-channel input signal; wherein the downmix signal comprises m channels and wherein the multi-channel input signal comprises n channels; n, m being integers with m<n. Furthermore, the system comprises a parameter processing unit configured to determine the spatial metadata from the multi-channel input signal.

Abstract: An air deflection device of a motor vehicle includes an air deflection element and a displacement kinematic system. The air deflection element is displaceable by the displacement kinematic system from an extended deflection position, in which the air deflection element with a deflection surface in a front region of the air deflection element in a longitudinal direction of the motor vehicle diverts an airflow hitting the air deflection element in an underbody region in a forward direction of travel of the motor vehicle, into a retracted position. The air deflection element is displaceable by the displacement kinematic system rearwards in the longitudinal direction of the motor vehicle and upwards in a vertical direction of the motor vehicle and is pushable back in a direction of the retracted position in an event of an obstacle-related force component acting on the air deflection element in the longitudinal direction of the motor vehicle.

Abstract: A method for operating a motor vehicle closing system including, activating, by a controller, an electric drive to perform a movement routine and a charging routine, in which a stored energy source is charged, determining, by a monitoring unit, a time dependency of a discharging variable of the stored energy source as the stored energy source is discharging energy, and triggering, by the monitoring unit, a safety routine for the stored energy source, in response to a specified fault criterion being satisfied by the time dependency of the discharging variable.

Abstract: A method performed by one or more devices is disclosed. The method includes obtaining a geometry information item representative of a spatial location of a plurality of points of a surface of a textile (52), determining at least one treatment parameter for treating the textile (52) at least partially based on a geometry information item, and outputting or triggering an output of the at least one treatment parameter.

Abstract: Described is a 3D printer, which is configured to build up at least one three-dimensional component in layers in a construction space by forming construction material layers lying one upon the other, of particulate construction material, and selectively solidifying several adjoining construction material layers in a respective partial region thereof.

Abstract: A vehicle door arranged on a vehicle body and a device for manually and/or electromotively adjusting the vehicle door relative to the vehicle body including an output element moved on adjustment of the vehicle door and a switching device configured to switch between a coupling state and a freewheeling state, and a control device. The switching device configured to couple the output element to a further assembly in the coupling state and to disengage it from the further assembly in the freewheeling state such that the output element is movable with respect to the further assembly. At least one sensor device configured to detect a signal indicating an occupant's wish to get out of the vehicle, and configured to evaluate the signal for detecting an exit wish and actuate the switching device to switch into the coupling state.

Abstract: A method (100) and a system (1) for compensating for an electrode (2) burn-off in an arc furnace (3) in which at least a part of the electrode (2) held in a first retaining position (H1) by a retaining device (4) is detected (Si) with the aid of a sensor device (5) and a second retaining position (H2) is determined (S2) on the basis of data generated during the detection. The retaining device (4) can then be repositioned (S4) relative to the electrode (2) from the first retaining position (H1) to the determined second retaining position (H2).

Abstract: A traction battery for a motor vehicle includes a plurality of battery cells which are electrically connected to one another, a battery housing which houses the battery cells, several degassing elements for conducting gas away out of the battery housing in the case of a cell outgassing, a sensing system for localizing the cell outgassing, and a control unit which, in the case of a cell outgassing, actuates the degassing elements such that the degassing element situated nearest the cell outgassing remains closed and one or more of the degassing elements that are farther away from the cell outgassing is/are opened.

Abstract: A control arrangement for operating a motor vehicle locking system, the locking system has an electric drive with an electric drive motor, during normal operation, the electric drive is supplied with a normal supply voltage to provide a motorized locking, the control arrangement has an energy storage arrangement with a capacitor, the energy storage arrangement, in an emergency mode, provides an emergency electrical supply voltage for the electric drive, and includes a boost stage connected downstream of the energy storage unit for generating the emergency supply voltage, the boost stage boosts an electrical input voltage at an input of the boost stage to an electrical output voltage at an output of the boost stage. The energy storage arrangement, to generate the emergency supply voltage, has a first boost stage connected downstream for generating the emergency supply voltage and a second boost stage connected downstream of the first boost stage.

Abstract: A method of operating a motor vehicle locking system including an electric drive for providing a locking function, a central battery of the motor vehicle supplies electrical energy to the electric drive during normal operation, an auxiliary energy supply supplies electrical energy to the central battery and is arranged in a closure arrangement of the motor vehicle, the closure element is configured to assume an open and a closed position. Access to the auxiliary energy supply is blocked by the closure element in the closed position and cleared in the open position. The central battery is monitored by a control unit to check whether an emergency operation criterion is satisfied. The closure element is locked in the closed position by means of a lock unit, and when the emergency operation criterion is satisfied, the lock unit is actuated by the control unit to unlock the closure element.

Abstract: The present document relates to audio coding systems. In particular, the present document relates to efficient methods and systems for parametric multi-channel audio coding. An audio encoding system configured to generate a bitstream indicative of a downmix signal and spatial metadata for generating a multi-channel upmix signal from the downmix signal is described. The system comprises a downmix processing unit configured to generate the downmix signal from a multi-channel input signal; wherein the downmix signal comprises m channels and wherein the multi-channel input signal comprises n channels; n, m being integers with m<n. Furthermore, the system comprises a parameter processing unit configured to determine the spatial metadata from the multi-channel input signal.

Abstract: A camshaft adjuster is produced that includes a stator and a rotor, which is rotatable relative to the stator, wherein the stator and the rotor are produced with first planar surfaces on a first end face and with second planar surfaces on a second end face, which is formed to be opposite the first end face when viewed in an axial direction and wherein the rotor and/or the stator is or are produced according to a powder-metallurgical method, The first planar surfaces and the second planar surfaces of the stator and the rotor are ground or finished, and the lateral surface of the stator and the lateral surface of the rotor are left uncalibrated.

Abstract: A laser processing head for directing a laser beam includes two reflectors and a sole lens element. The first reflector disposed in a housing's interior reflects the laser beam from a source to the second reflector, which then reflects the laser beam toward a process zone for a workpiece. The single lens element is disposed in the housing's interior between the reflectors. The lens element can be moved to adjust a focal position of the laser beam beyond the housing's outlet. To reduce contamination, one or more nozzles are configured to direct purge gas across one or more of the first reflector, the second reflector, and the lens element, while one or more collection areas disposed in the interior are configured to collect contamination directed from the purge gas.

Abstract: A battery housing includes at least one membrane-like degassing element which is designed to yield when a hot gas of the at least one battery cell is released into an interior of the battery housing, and in so doing to open up a degassing opening in the housing wall for discharging the hot gas from the interior to an area surrounding the battery housing, and at least one protective cap which, for protecting the at least one degassing element against environmental influences, is arranged on an outer side of the housing wall in a manner overlapping the at least one degassing element and which is fastened to the housing wall by way of a holding device, wherein the holding device is designed to yield, and to completely release the protective cap from the degassing opening, when the hot gas is discharged via the at least one degassing element.

Abstract: A coating device arrangement 1 for a 3D printer is described, comprising a coating device 3 having a container 17 defining an inner cavity for receiving particulate construction material, which leads to an opening for outputting the particulate construction material onto a construction field, as well as a closing device 31 configured to selectively close the opening for outputting the particulate construction material.

Abstract: A method for producing a sintered component, in particular an annular sintered component, with a toothing, having teeth with tooth roots, tooth tips and tooth flanks, includes the steps of pressing a powder to form a green compact, sintering the green compact, and hardening the sintered component, wherein after sintering, the tooth flanks and possibly the tooth tips are post-compacted and subsequently undergo post-processing by machining, and wherein a transition region between the tooth flanks and the tooth roots has an undercut design, and post-compaction of the tooth flanks is carried out only up to this transition region.