Abstract: An electromechanical steering system includes a steering shaft by which a steering command can be specified by a steering handling device, and a steering gear, which is designed to convert a steering command into a steering movement of steerable wheels of a motor vehicle, taking into account at least one input variable. A magnetic torque sensor device measures a torque applied to the steering shaft. The torque sensor device comprises a sensor for detecting an uncompensated measurement signal (T). The torque sensor device comprises a computing unit, which is designed to provide a first parameter and a second parameter for compensation of the uncompensated measurement signal (T) and to calculate a compensated measurement signal (T*) based on the uncompensated measurement signal (T) and the two parameters and to provide this compensated measurement signal (T) as the at least one input variable.

Abstract: A steering column for a motor vehicle comprises an axially extending steering shaft which is mounted in a steering column housing so as to be rotatable about a longitudinal axis, and a revolution limiter for delimiting the rotation of the steering shaft relative to the steering column housing, wherein the revolution limiter has a driver which is connected to the steering shaft, a housing which is connected to the steering column housing and an activation member which is operatively disposed between the driver and the housing and is twistable relative to the steering shaft and relative to the housing, and an activation projection that is able to impact a driver projection of the driver in the circumferential direction, and a detent projection which is able to impact a housing projection of the housing in the circumferential direction.

Abstract: A steer-by-wire steering system for a motor vehicle comprises a steering wheel having a steering shaft, a feedback actuator, and a measuring device for measuring a steering wheel angle, wherein the feedback actuator has a motor having a motor shaft, which is torque-transmittingly connected to the steering shaft, and a printed circuit board, which is fastened to the motor and has a rotor position sensor for measuring a rotor position of the motor, wherein the measuring device has a first steering wheel angle sensor, which is designed to measure a first rotation angle ? of the steering shaft at a shaft end of the steering shaft, wherein the first steering wheel angle sensor is arranged on the printed circuit board, so that it is situated opposite the shaft end.

Abstract: A process for producing alkoxylates features a high growth ratio without the need of interim storage of a pre-polymer produced in a first reactor. The process may involve reacting a monomeric educt in the presence of a catalyst and a starting material in a first reactor equipped with a first circulation loop and thereafter passing a pre-polymer that is produced of the first circulation loop to a second reactor equipped with a second circulation loop, where a desired polymer is produced. The first reactor may comprise a smaller volume than the second reactor. The growth ratio, defined as a final batch volume of the second reactor divided by a minimum initial volume of the starting material in the first reactor, is at least 80:1.

Abstract: A process can be used for the treatment of an offgas stream, which is formed in a plant for the production of aluminum by electrolytic reduction of aluminum oxide in a melt, using at least one anode composed of a carbon-containing material. The offgas stream contains carbon oxides due to the reduction of the aluminum oxide by the carbon. At least a substream of the carbon oxides contained in the offgas stream is reacted with hydrogen or mixed with a hydrogen stream and is subsequently passed to a use. After purification and conditioning of the offgas stream in a device, an enrichment, for example with carbon monoxide, can subsequently be carried out in a reactor and the synthesis gas obtained in this way can be fed to a chemical or biotechnological plant for the synthesis of chemicals of value.

Abstract: A process for producing hydrogen and pyrolytic carbon from hydrocarbons may involve converting hydrocarbons into hydrogen and carbon in a reactor at temperatures of 1000° C. or more. The reactor may include two electrodes spaced apart from one another in a flow direction of the hydrocarbons. In a region of the reactor between the electrodes an inert gas component is supplied over an entire reactor cross section. The reactor contains carbon particles in the region between the two electrodes. By introducing an inert gas component over the entire reactor cross section, deposition of carbon in this region of the reactor inner wall is prevented, thus effectively inhibiting the formation of conductivity bridges on the reactor inner wall.

Abstract: CLEAN A wind turbine (100) with a rotor bearing (1) is proposed, wherein drainage chambers (7) on both sides of the rotor bearing (1) are connected to each other via a plurality of channels (5) traversing an outer ring (2) of the rotor bearing (1), which are distributed over the circumference of the outer ring (2) and that an axis (A) of the rotor bearing (1) is arranged at an angle in the range of 2° to 100 to the horizontal line (H) for promoting a flow of leakage oil through the channels (5).

Abstract: A processing station for workpieces which are configured as vehicle body parts comprises a plurality of carrier elements, a magazine with a plurality of magazine levels for providing the carrier elements, a work region for processing the workpieces, a first transport apparatus for transporting the carrier elements between the work region and a provision point of the magazine, a second transport apparatus for transporting the carrier elements in the magazine in the first magazine level in a transverse direction, and a third transport apparatus for transporting the carrier elements in a vertical direction between the magazine levels, the third transport apparatus having lifting elements which can be adjusted in the vertical direction for front-side receiving of the carrier elements, and the lifting elements comprising a fourth transport apparatus for transporting the carrier elements in a magazine level outside the first level in a transverse direction.

Abstract: A height-level adjustment system for a chassis of a motor vehicle comprises a spring and a spring seat against which the spring lies at one end, the spring seat including a threaded sleeve which is attached coaxially with respect to the spring and has an external thread and a threaded ring, which is attached to the threaded sleeve, with an internal thread which interacts with the external thread of the threaded sleeve, wherein the spring seat has a connecting element which is attached to the threaded sleeve for connecting the spring seat to the body of a motor vehicle.

Abstract: A steer-by-wire steering system for a motor vehicle may include a rotatably supported steering spindle, a feedback actuator with a feedback motor for acting on the steering spindle, a steering actuator with a steering motor for acting on steered wheels of the motor vehicle based on rotation of the steering spindle, and two control units for controlling the feedback motor and the steering motor. A first control unit of the two control units and a second control unit of the two control units have different levels of complexity relative to each other, in particular such that the first control unit is more powerful than the second control unit. Also, a method can be utilized to operate such a steer-by-wire steering system, whereby the first control unit and the second control unit execute procedures of different complexity relative to each other.

Abstract: A method for generation of 1,2-dichloroethane from ethylene and chlorine and for water desalination includes performing the respective processes in plant parts coupled thermally with one another, and allowing heat from the reaction of ethylene with chlorine to be utilized as an energy source for the water desalination. This heat can be utilized extensively by virtue of the coupled water desalination. A corresponding plant is configured for performance of such methods and corresponding methods include using heat from a method for generation of 1,2-dichloroethane from ethylene and chlorine for heating of water to be treated in a water desalination process.

Abstract: An electromechanical steering system comprises a steering shaft, via which a steering command can be specified by a steering handle, and a steering actuator having an electric motor and having a circuit arrangement assigned to the electric motor, wherein the steering actuator is designed to use the electric motor to convert a specified steering command into a steering movement of steerable wheels of the motor vehicle, wherein the circuit arrangement comprises a connection unit for connecting to a voltage source of a motor vehicle as the main energy source, a voltage supply unit for providing voltages required for operation, a main control unit, a safety unit designed to disconnect the electric motor from the voltage supply unit, an energy storage unit and an auxiliary control unit, wherein the auxiliary control unit is designed to actuate the safety unit for disconnecting the electric motor from the voltage supply unit in the event of a malfunction of the main control unit by energy provided by the energy sto

Abstract: The present invention relates to a piston-cylinder assembly for a radial piston compressor. The piston-cylinder assembly comprises a drive shaft with a cylindrical eccentric for guiding the movement of the piston to a top dead center position. A cylindrical piston guide ring guides the movement of the piston to a bottom dead center. Both the cylindrical eccentric and the piston guide ring are connected to the piston by means of respective concave/convex contact surfaces for the positive transmission of the forces.

Abstract: A vibration damper for a motor vehicle comprises a damper tube and a working piston, which is arranged in such a way as to be axially movable within the damper tube and divides the interior of the damper tube into a working space on the piston-rod side and a working space on the side remote from the piston rod, wherein the working piston has a main piston and at least one auxiliary piston, wherein the auxiliary piston has an auxiliary valve device, which is connected fluidically to a working space of the damper tube via a flow channel, wherein the auxiliary valve device comprises: an auxiliary valve body and an auxiliary valve piston, which is movable axially relative to the latter, and an auxiliary valve disc stack, which interacts with the auxiliary valve piston, wherein the auxiliary valve device has a preloading system for subjecting the auxiliary valve disc stack to a preloading force, and wherein the preloading system comprises a first pressure chamber and a second pressure chamber, which each have a va

Abstract: A method for measuring a rack force acting on a rack of a steering mechanism of a steering system for a motor vehicle, in which the rack is movable in a longitudinal direction in the steering mechanism and is coupled to at least one steerable wheel via at least one track rod, comprises measuring the rack force as a reaction force between the steering mechanism and a body part supporting the steering mechanism in the longitudinal direction, thus permitting a simple and robust determination of the rack force.

Abstract: A nitric acid plant for producing nitric acid comprises a machine train comprising a drive means, in particular a steam turbine or electric motor or as case may be a gas turbine, an air compressor, a nitrous gas compressor and a gas expander, wherein the machine train is a single shaft machine, wherein the air compressor is a compressor having an axial inlet or an axial outlet which is arranged at the end side of the machine train and/or the gas expander is configured with an axial inlet or an axial outlet and/or the nitrous gas compressor is configured with an axial inlet or an axial outlet.

Abstract: A vibration damper for a motor vehicle comprises a damper tube and a working piston which is arranged axially movably within the damper tube and divides the interior space of the damper tube into a working space on the piston rod side and a working space remote from the piston rod, wherein the working piston comprises a main piston, a first additional piston and a second additional piston, wherein the additional pistons each comprise an additional valve device, and wherein the additional pistons are connected fluidically to one another via a flow channel.

Abstract: A vibration damper for a vehicle comprises a damper tube filled with hydraulic fluid, a working piston which is connected to a piston rod and which is arranged within the damper tube so as to be movable back and forth, wherein an interior of the damper tube is divided by the working piston into a first working chamber and a second working chamber, a rebound stop arrangement having an auxiliary piston, which concentrically surrounds the piston rod, and a sleeve-like rebound stop receptacle, which is mounted on the damper tube, for receiving the auxiliary piston in the rebound stage, wherein the auxiliary piston is mounted on the piston rod so as to be axially movable relative thereto, and the rebound stop arrangement has a spring element that is fastened to the auxiliary piston.

Abstract: The invention relates to an adjustment drive (5, 6) for a motor-adjustable steering column (1) for a motor vehicle, comprising a gearbox (8, 9) having a drive module (82, 92) in which a drive wheel (922) which is able to be driven in a rotating manner about a drive axis (A) and which operatively engages with a gearbox wheel (912) that is mounted in a gearbox module (81, 91) so as to be rotatable about a gearbox axis (G) and is connected to a threaded spindle (52) or a spindle nut (61) of a spindle drive is mounted, wherein the drive module (82, 92) and the gearbox module (81, 91) are connected to one another by way of at least one joining connection (93).

Abstract: The present invention relates to a plant for the synthesis of ammonia, wherein the plant includes at least one reformer for converting a hydrocarbon into hydrogen, wherein the plant includes a converter for converting hydrogen and nitrogen into ammonia, wherein the converter is integrated into a recirculation loop, wherein a first carbon dioxide separator is arranged between the reformer and the recirculation loop, wherein the recirculation loop includes an ammonia separator.