Abstract: The present invention relates to an apparatus for synthesis of ammonia, in which the gases formed on the burner side of the primary reformer are used at least partly as reactants.

Abstract: A method for controlling wheel slip of a motor vehicle having at least two wheels, an electromechanical braking system, an electric drive system, and a steer-by-wire steering system comprises: converting a target trajectory of the motor vehicle into a target movement of the motor vehicle; determining wheel-specific target longitudinal and target transverse slip values for the wheels based on the target movement using a vehicle and tyre model; and adjusting actual longitudinal and actual transverse slip values of the wheels to the respective target longitudinal and target transverse slip values by the electromechanical brake system and the electric drive system as a function of a steering angle of the steer-by-wire steering system. A motor vehicle may include a control unit designed to carry out such a method.

Abstract: An arrangement includes a steam saturator for producing saturated steam and a device for refeeding the liquid evaporated in the steam saturator. The steam saturator includes a steam inlet via which steam is delivered to the steam saturator, a steam outlet for the saturated steam produced, a condensate inlet via which condensate is delivered to the steam saturator, and a condensate return line. In a lower region of the steam saturator, a condensate liquid level that is fluidically connected to the condensate return line is maintained. The condensate return line is connected to the device, which is a condenser and comprises a cooling apparatus for condensing steam. In the steam saturator, the evaporated liquid is replaced only if the condensate level in the steam saturator drops, through condensation of saturated steam delivered from the steam saturator to the condenser and is then condensed in the condenser by the cooling apparatus.

Abstract: A steering column for a motor vehicle comprises an actuating unit. A steering spindle is mounted rotatably about a longitudinal axis extending in the longitudinal direction. A supporting unit is connectable to a motor vehicle body and in which the actuating unit is held so as to be displaceable in the longitudinal direction. An energy absorption device, which is incorporated between the supporting unit and the actuating unit, has an elongate energy absorption element fastened to the actuating unit or to the supporting unit via a fastening. A deformation member, which interacts with the energy absorption element, is attached to the supporting unit or to the actuating unit. In the event of a crash with a relative displacement of actuating unit and supporting unit, the deformation member brings about an energy-absorbing plastic deformation of the energy absorption element.

Abstract: The present disclosure relates to a particulate fertilizer, where the particulate fertilizer has a coating, where the coating contains polylactic acid compound. The polylactic acid compound has a proportion of 70% to 99% of L-lactic acid monomer units and a proportion of 1% to 30% of D-lactic acid monomer units. This polylactic acid compound comprises at least one first polylactic acid and at least one second polylactic acid. The first polylactic acid has a proportion of 50% to 67% of L-lactic acid monomer units and a proportion of 33% to 50% of D-lactic acid monomer units and the second polylactic acid has a proportion of 95% to 100% of L-lactic acid monomer units and a proportion of 0% to 5% of D-lactic acid monomer units.

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: The disclosure relates to a method for operating an adjustment drive of a motor-adjustable steering column for a motor vehicle, said steering column comprising an actuating unit with a rotatably mounted steering spindle, to which a steering wheel is attached, wherein the actuating unit is adjustable by at least one adjustment drive for setting a longitudinal position and/or height position of the steering wheel, wherein in the method: a) a setpoint value of an adjustment speed of the actuating unit is predefined; b) on the basis of the setpoint value, the at least one adjustment drive is driven with a voltage signal by way of at least one controller; c) an actual value of the adjustment speed of the actuating unit is detected after a predetermined time period and is compared with the setpoint value; and d) the setpoint value is reduced depending on the result of the comparison between setpoint value and actual value until the voltage signal for driving the adjustment drive lies below the maximum value of a su

Abstract: A motor vehicle power steering system may include a steering handle having at least one handle sensor for detecting a handle position of the steering handle, an electronically controlled steering actuator having an electric motor for providing an actuating torque based on the detected handle position, a mechanical power transmission for transmitting the actuating torque to steered wheels, a position sensor for detecting a wheel position of the steered wheels, and a monitoring device that is configured to relate the wheel position detected by the position sensor to at least one input parameter of the mechanical power transmission given by the electric motor to monitor the functioning of the mechanical power transmission.

Abstract: The disclosure relates to a process for producing ammonia. A hydrocarbon mixture and steam are supplied to a primary reformer. The hydrocarbon mixture and the steam are at least partly converted to carbon monoxide and hydrogen in the primary reformer. The gas mixture from the primary reformer is directed into a secondary reformer. The secondary reformer is supplied with process air, at least comprising oxygen and nitrogen, such that unconverted hydrocarbon is converted to carbon monoxide and hydrogen.

Abstract: A steering column for a steer-by-wire steering system may include a casing unit in which a steering spindle is received such that the steering spindle is rotatable about a longitudinal axis. The casing unit may have an inner casing tube, which is rotatable and longitudinally displaceable, received coaxially in an outer casing tube. The steering spindle may have a longitudinally displaceable inner shaft that is received coaxially in an outer shaft in a torque-transmitting manner. The steering spindle may be coupled to a drive unit of a feedback actuator that has an electric motor for the generation and introduction of a feedback torque into the steering spindle. The drive unit has a recess that is arranged coaxially with respect to the longitudinal axis, is open toward the outer shaft, and has a maximum inscribed internal diameter that is greater than an external diameter of the outer shaft.

Abstract: The invention relates to a method for producing a desired metal workpiece (134), the method comprising: producing an elongate finished material (116; 222) by hot rolling, wherein a first data record (112) is assigned to the finished material (116; 222), wherein the finished material (116; 222) is logically divided in the longitudinal direction thereof into a plurality of first segments (118), wherein the first data record, for each of the first segments (118), includes first physical data (228) characterizing the segment; and working the finished material (116; 222) using a processing process to obtain the desired metal workpiece (134), wherein the processing process is at least partially controlled based on the first physical data (228) characterizing the first segments (118) that are logically assigned to the finished material (116; 222).

Abstract: A track assembly of a track-type mobile machine comprises a track link body with at least two window openings, a track shoe, and a plurality of bolts with which the track shoe is attached to the track link body, wherein the track shoe is clamped with the track link body along a clamping length of the bolt, the clamping length extending from a bolt head of the bolt to a fastening section of the bolt, wherein the track assembly further comprises a wear sensing device for measuring wear of at least one surface portion of the track link body.

Abstract: A method of producing ammonia includes heating, with a start-up oven, a first synthesis gas for a first ammonia synthesis in a first reactor; transferring the heated first synthesis gas to the first reactor for initiating a chemical reaction; heating, with the start-up oven, a second synthesis gas for a second ammonia synthesis in a second reactor; and transferring the heated second synthesis gas to the second reactor for initiating a chemical reaction, wherein a high-pressure synthesis of ammonia is carried out in the first reactor and a low-pressure synthesis of ammonia is carried out in the second reactor at a process pressure which is lower than the process pressure in the first reactor.

Abstract: A steer-by-wire steering system for a motor vehicle comprises a steering wheel angle detection apparatus, a feedback actuator and a wheel actuator. The wheel actuator has a wheel actuator control device which is communicatively connected to a feedback actuator control device and is designed to calculate an absolute steering angle on the basis of sensor values from at least two first rotational angle sensors on a second gearwheel of the steering wheel angle detection apparatus and sensor values from at least two second rotational angle sensors on a motor shaft of the feedback actuator. A motor vehicle can include such a system and a method for determining an absolute steering angle can use such a system.

Abstract: A process for producing hydrogen by cracking of ammonia includes cracking ammonia in the presence of a catalyst to hydrogen and nitrogen, wherein the ammonia is cracked without preceding noncatalytic oxidation in the absence of an oxidant merely by supply of heat in the presence of the catalyst. In one of several alternatively possible process variants, the cracking of the ammonia is conducted in a reactor analogously to a primary reformer, wherein the catalyst is disposed in at least one tube through which ammonia flows. In the combustion chamber of the reactor, a mixture of ammonia and hydrogen is preferably combusted, where the nitrogen formed in the reaction is an inert component that serves as an additional heat carrier. A mixture of hydrogen and ammonia is advantageous since it has a moderate flame temperature, has better combustion properties than pure ammonia and, depending on the mixing ratio, emits less NOx than the two pure substances.

Abstract: A damper valve for a vibration damper, in particular of a vehicle, comprises a valve body, at least one control disc arranged on the valve body, and at least one rotatably mounted adjustment element, wherein the valve body, the control disc and the adjustment element are arranged coaxially, and wherein the control disc is connected to the adjustment element for conjoint rotation and the control disc is rotatable relative to the valve body in order to open up or block at least one of a plurality of through-channels in the valve body for the flow of a damper fluid, wherein the control disc has at least two through-openings with different cross sections, in order to change the flow of the damper fluid, in particular the flow cross section, through the through-channels in the valve body.

Abstract: A damper valve for a vibration damper, in particular of a motorized vehicle, comprises a valve body, at least one control disc arranged on the valve body and at least one rotatably mounted adjustment element, wherein the valve body, the control disc and the adjustment element are arranged coaxially, wherein the control disc is connected to the adjustment element for conjoint rotation and the control disc is rotatable relative to the valve body in order to open up at least one of a plurality of through-channels in the valve body for the flow of a damper fluid or to block the flow, wherein the valve body has a plurality of recesses with different opening areas which are covered by at least one valve disc, wherein in each case one through-channel leads into in each case one of the recesses.

Abstract: A method for setting a roller hemming process for hemming a plurality of identical component arrangements comprises guiding a hemming roller arranged on a robot by the robot in accordance with a predetermined hemming path for forming a hemming flange of a component of a component arrangement, wherein a hemming process force acting on the hemming roller by the robot during forming is detected, wherein the hemming process force can be changed by a corresponding control of the robot, and a target hemming quality to be achieved is predetermined. The robot is controlled to achieve the target hemming quality, taking into account the detected hemming process force and an actual geometry of a formed hemming flange resulting from the forming process.

Abstract: The invention relates to a process for producing hydrogen, carbon monoxide and a carbon-containing product in at least one reaction apparatus, wherein the at least one reaction apparatus comprises a bed of carbon-containing material and is characterized in that the bed of carbon-containing material in the at least one reaction apparatus is alternately heated to a temperature of >800° C. and, no later than upon reaching a temperature of 1800° C., cooled to a maximum of 800° C., wherein hydrogen and carbon monoxide are produced during the heating phase and carbon and hydrogen are produced during the cooling phase.

Abstract: A carbon dioxide separation apparatus comprises an absorption apparatus and a desorption apparatus, wherein the absorption apparatus comprises a gas inlet for the gas to be purified and a gas outlet for the purified gas, wherein the absorption apparatus comprises an absorption solvent inlet and a solution outlet, wherein the desorption apparatus comprises at least one first solution inlet, an absorption solvent outlet, a hot solvent inlet and a carbon dioxide outlet, wherein the solution outlet is connected to the first solution inlet via a first solution conduit, wherein the first solution conduit comprises a first heat exchanger, wherein the absorption solvent outlet is connected to the absorption solvent inlet via an absorption solvent conduit, wherein the absorption solvent conduit comprises the first heat exchanger so that the heat of the solvent stream is transferred to the solution stream, wherein the absorption solvent conduit comprises a branch to a hot solvent conduit, wherein the hot solvent condui