Abstract: An electromechanical braking device for a motor vehicle comprises a positioning device and a brake part connected thereto, which is displaceable by the positioning device along an axis and can be brought into braking engagement with a counter brake part, wherein the positioning device has a first positioning drive and a second positioning drive and the positioning device, to implement a displacement movement, comprises a first three-phase electric motor and a second three-phase electric motor having a circuit assembly for operating the electric motors, wherein the circuit assembly comprises a first control path having a first power module for controlling the first electric motor and a second control path having a second power module for controlling the second electric motor, and wherein the circuit assembly comprises a first computing unit and a first driver stage, wherein the first computing unit is designed to determine an electric motor setpoint specification on the basis of acquired parameters and to actu

Abstract: A motor vehicle and method for operating the same comprises two front wheels with front wheel steering, two rear wheels with rear wheel steering, and a driving stability device with a controller. The driving stability device, in particular the controller, is designed to synchronize the front wheel steering and the rear wheel steering such that the front wheel steering and rear wheel steering are involved independently of one another in controlling the driving stability.

Abstract: The present disclosure relates to a vibration damper for a vehicle comprising: an external tube and an internal tube which is arranged coaxially relative thereto, wherein a compensation chamber for receiving hydraulic fluid is formed between the external tube and the internal tube, and a working piston which is connected to a piston rod and which is arranged so as to be movable back and forth inside the internal tube, wherein the internal space of the internal tube is subdivided by the working piston into a first working chamber and a second working chamber, a central tube which is arranged inside the compensation chamber and which is attached to the internal tube, wherein the central tube has a tubular element and a helical element which is connected to the tubular element.

Abstract: The present invention relates to a tubular anti-roll bar for a vehicle chassis, produced from a metal tubular body, comprising a torsion spring portion, two limbs bent off from the torsion spring portion and a bending portion, arranged between the torsion spring portion and the respective bent limb and having an inside bending radius (IB) and an outside bending radius (OB), wherein the tubular anti-roll bar has a structure with grains with a grain size distribution and an average grain size, wherein the structure has a ratio between the average grain size in the bending portion of the inside bending radius (IB) in relation to the average grain size in the torsion spring portion in the range of 73% to 77%.

Abstract: A process for producing cement clinker (50) including preheating raw material in a preheater, calcining the preheated raw material in a calciner, burning the preheated and precalcined raw meal in a kiln to form cement clinker, wherein the kiln is fed with a combustion gas having an oxygen content of more than 20% by volume, in particular more than 40% by volume, preferably more than 60% by volume, and cooling the cement clinker in a cooler, wherein the cooler has in the conveying direction of the cement clinker a first cooler region and a second cooler region and wherein the exhaust air from the first cooler region forms the combustion gas, wherein the offgas from the second cooler region is fed to the calciner and has an oxygen content of at most 15% by volume, in particular at most 10% by volume, preferably at most 5% by volume.

Abstract: The present disclosure relates to an aircraft and to a method using this aircraft to inspect equipment in coking plants for detecting sources of error. The aircraft has at least one inspection device for inspecting surfaces of the equipment that are to be inspected, and an airspace, distanced from one of the surfaces to be inspected, and at least one transmitting and receiving device for data communication with at least other aircraft or at least one external analysis device for detecting the sources of error. The method comprises converting the detected phototechnical and optical data, in particular 2D data, into a 3D thermal point cloud by means of a conversion unit of the analysis device.

Abstract: A co-current/counter-current regenerative shaft kiln for burning and cooling material, such as carbonate rock, has two shafts which are operable alternately as a burning shaft and as a regenerative shaft and are connected to one another by means of a connecting duct, wherein in the flow direction of the material each shaft comprises a preheating zone for preheating the material, a burning zone for burning the material and a cooling zone for cooling the material, wherein the cooling zone comprises a cooling gas inlet for admitting cooling gas into the cooling zone and a cooling gas removal device for discharging cooling gas from the shaft, wherein configured downstream of the burning zone in the flow direction of the material is an after-calcination zone which is configured and adapted such that it effects after-calcination of the material exiting the burning zone at a gas temperature of 800° C. to 1100° C., especially 900° C. to 1000° C., preferably about 850° C. to 950° C.

Abstract: A tightening device for a steering column of a motor vehicle comprises a tightening bolt, axially extended in the direction of a tightening axis, and a tightening lever which is connected in torsion-locked manner to the tightening bolt via a coupling element and a connecting element, wherein the coupling element exhibits an axially protruding first projection and an axially protruding second projection, radially opposing the first projection with respect to the tightening axis, and the connecting element exhibits a first aperture in which the first projection engages axially, and exhibits a second aperture in which the second projection engages axially and which has been designed to be open radially outward. In order to make possible a more compact structure and improved manufacture, the second projection may have a radial second-projection width that is larger than a radial first-aperture width of the first aperture, and that is larger than a radial second-aperture width of the second aperture.

Abstract: A bearing unit for fastening a rotor blade to a hub of a wind turbine comprises a first bearing ring for fastening to the hub, a second bearing ring for fastening to the rotor blade, at least one series of rolling elements, and a pitch drive for angularly adjusting the two bearing rings relative to one another, wherein the first bearing ring is formed in one piece with a rotor hub extension which extends on the hub side in an axial direction beyond the second bearing ring, wherein the pitch drive comprises at least one electric pitch motor and a shaft, driven by the pitch motor, with a drive pinion which meshes with a toothing formed on the inside of the first bearing ring, wherein the pitch motor is arranged on the blade side on a reinforcement plate mounted on the second bearing ring and the shaft extends through an eccentrically arranged cutout in the reinforcement plate.

Abstract: An apparatus for production of ammonium nitrate from nitric acid and ammonia comprises a recirculation circuit, wherein a neutralization reactor is arranged in said recirculation circuit, wherein said neutralization reactor has at least a first region and a second region, wherein the first region is arranged fluidically in the recirculation circuit upstream of the second region, wherein the first region has at least one nitric acid supply apparatus, wherein the second region is a shell-and-tube reactor, wherein the tubes of the shell-and-tube reactor are designed for supplying ammonia, wherein the first region includes at least a first perforated plate, wherein the first perforated plate is arranged perpendicular to the direction of flow, wherein said first perforated plate is arranged in the direction of flow upstream of the nitric acid supply apparatus.

Abstract: Radial piston pump and a method of assembly of the radial pump in particular radial piston pump, including a drive shaft having an eccentric and at least one piston-and-working-chamber combination, wherein the piston-and-working-chamber combination comprises a cylinder bore and a piston, wherein the cylinder bore has a fluid outlet duct, the cylinder bore is closed with a cover, wherein the cover is received in a cover receptacle bore, the cylinder bore has a longitudinal axis, and the cover receptacle bore has a longitudinal axis, wherein the longitudinal axis of the cylinder bore and the longitudinal axis of the cover receptacle bore are not congruent, in particular are displaced in parallel.

Abstract: A method of burning material, such as carbonate rock, in a parallel-flow regenerative shaft kiln having two shafts which are operated alternately as burning shaft and as regenerative shaft and are connected to one another by a connecting duct, wherein the material flows to a material outlet through a material inlet into a preheating zone for preheating of the material, a burning zone for burning the material and a cooling zone for cooling the material, wherein a cooling gas is admitted into the cooling zone, wherein offgas is discharged from one shaft of the kiln via an offgas outlet disposed within or above the preheating zone and wherein the offgas discharged from the shaft via the offgas outlet is branched into a first portion of the offgas and a second portion of the offgas, and wherein the first portion of the offgas is fed via a first offgas inlet to an upper region of the preheating zone, wherein the second portion of the offgas discharged from the shaft is fed to the preheating zone via a second offga

Abstract: A braking system for a motor vehicle comprises at least two braking devices each with a brake actuator, wherein each of the brake actuators has an electric actuating motor, and wherein the braking devices are connected to a central control unit which is designed for connecting to at least one input device. In order to reduce the complexity in terms of production and assembly and to increase safety, at least two wheel brake control units are provided, which are each connected to a brake actuator, and which are connected to the central control unit.

Abstract: A plant for thermal treatment of a mineral material comprises a preheater, a calciner and a kiln, wherein the plant comprises a gas inlet and a gas outlet and a material inlet and a material outlet, wherein the constituents are connected for transferral of a material stream from the material inlet to the material outlet via the preheater, the calciner and the kiln, wherein the constituents are connected for transferral of a gas stream from the gas inlet to the gas outlet via the kiln, the calciner and the preheater, wherein the preheater is a multi-stage preheater, wherein the calciner is connected to a heat exchange apparatus for transferral of the material stream exiting the calciner or the preheater is connected to a heat exchange apparatus for transferral of the material stream exiting a stage of the preheater, wherein the heat exchange apparatus is connected to the preheater for recycling of the material stream.

Abstract: An end-stop control valve includes a piston assembly, a valve disc stack-up, and a catch piston, wherein the piston assembly is configured such that, when a contact surface of the piston assembly contacts a contact surface of the catch piston such that hydraulic fluid cannot flow around the piston assembly during an end-of-stroke damping event, the end-stop control valve is configured to operate, first, such that hydraulic fluid flows through the piston assembly and bypasses the valve disc stack-up, and second, such that hydraulic fluid flows through the piston assembly and deflects the valve disc stack-up.

Abstract: A track comprises track modules making up a track chain. Each track module comprises a first and a second track link and a plurality of pin assemblies. Each pin assembly comprises a hinging pin and a main pin bushing. Each hinging pin terminates in two coupling pin ends. Each coupling pin end of said hinging pins fits in a respective pin coupling seat of a track link of an adjacent track module. Each coupling pin end is delimited by a shoulder resting or however arranged for resting against a respective track link of an adjacent track module so as to prevent or limit the axial displacement of said hinging pins relative to the track links of the adjacent track module.

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 present disclosure provides a steel component produced from a steel substrate coated with anticorrosion coating. The steel component comprises a steel substrate and, at least on one side of the steel substrate, an anticorrosion coating which comprises at least one first and one second silicon-rich layer (Si1, Si2) and also one first and one second low-silicon layer (A, B). A quotient X formed from a thickness (dB) of the second low-silicon layer (B) in ?m by a thickness (dA) of the first low-silicon layer (A) in ?m is at least 0.4 and at most 1.1.

Abstract: A method for controlling a motor vehicle having a steer-by-wire steering system with front-axle steering unit and rear-axle steering unit in the event of a fault being detected in the front-axle steering unit, comprises vehicle signals relating to a steering input, a position of a steering rack of the front-axle steering unit and a yaw rate of the motor vehicle being detected, the detected vehicle signals being made available to a control unit, the control unit, in order to implement the steering input, generating a first control signal for controlling a steering adjuster of the rear-axle steering unit, wherein the first control signal is generated taking into consideration the steering input, the position of the steering rack of the front-axle steering unit and the yaw rate, and controlling the steering adjuster of the rear-axle steering unit by the generated first control signal.

Abstract: A radial piston compressor comprises a compressor unit and a drive device for driving the compressor unit, wherein the compressor unit includes at least two piston-and-cylinder-bore assemblies, preferably a plurality of piston-and-cylinder-bore assemblies, which are arranged radially around an eccentric shaft, wherein the eccentric shaft is driven by the drive device, wherein each piston-and-cylinder-bore assembly includes a piston, wherein the radial piston compressor, in particular the compressor unit, includes a piston guide ring, wherein the pistons are in contact, in particular in positive engagement, with the piston guide ring, wherein the piston guide ring is elastic, in particular elastic in the radial direction, at least in parts, preferably completely.