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 method for operating an electromechanical brake system in a motor vehicle, wherein the brake system has at least one input unit, via which a brake demand is transmitted, and at least two brake apparatuses which each comprise a brake actuator with at least one electric actuating motor, wherein the brake apparatuses are each assigned a wheel brake control unit and a wheel speed sensor unit, comprises providing, by the associated wheel speed sensor unit of the associated wheel brake control unit, a wheel speed for a respective brake apparatus, providing a substitute wheel speed for the wheel speed which is provided by the associated wheel speed sensor unit to this wheel brake control unit, actuating, by this wheel brake control unit, the brake actuator in normal operation in order to implement the transmitted brake demand, with consideration of the wheel speed which is provided by the associated wheel speed sensor unit, and actuating, by the wheel brake control unit, the brake actuator with consideration of th

Abstract: Reactors and reactor components have resistance to NH3 and N2 and possibly to H2O at high temperatures and moderate pressure, and can be used in the catalytic decomposition of NH3 to N2 and H2 on an industrial scales.

Abstract: The disclosure relates to a vibration damper for a vehicle, comprising an outer tube and an inner tube which is arranged coaxially relative thereto, wherein between the outer tube and the inner tube a compensation chamber for receiving hydraulic fluid is formed, and a working piston which is connected to a piston rod and which is arranged so as to be able to be moved back and forth within the inner tube, wherein the inner space of the inner tube is divided by the working piston into a first working chamber and a second working chamber, wherein in the compensation chamber there is arranged a calming element which is fitted so as to be able to be moved in an axial direction inside the compensation chamber.

Abstract: An electromechanical brake device for a motor vehicle comprises a drive carrier to which an electric motor and an actuating device are attached, which actuating device is coupled in a geared manner to a motor shaft and by which a brake part is adjustable, wherein the motor has a motor housing, in which the motor shaft which extends in the axial direction is mounted in a front-side bearing cap and projects axially from it, wherein the motor housing is fixed to the drive carrier. In order to enable improved production and assembly, and to keep the installation space and weight low, the drive carrier may have a recess, in which the motor housing can be received in a positively locking manner in the axial and radial direction, wherein the motor housing can be braced on the front side against an axial support surface of the recess.

Abstract: An end-stop control valve can progressively add end-of-stroke damping resistance to complement the damping force provided by a main piston in a damper tube. The end-stop control valve may include a piston that selectively engages with a catch piston, both of which are longitudinally movable within the damper tube. To reduce bypass around the piston, a piston band wrapped at least partially around the piston may engage with a sidewall of the catch piston just prior to engagement of the catch piston and the piston, although at least some hydraulic fluid can flow through a pathway of the piston band. A spring disc that moves with the piston may also engage with the catch piston just prior to engagement between the catch piston and the piston. The spring disc may elastically deform to contribute end-of-stroke resistance leading up to engagement of the piston and the catch piston.

Abstract: A reed valve assembly for a radial piston compressor comprises a fastener for fastening the reed valve assembly to the radial piston compressor and a captive-retention means for the fastener. A radial piston compressor has such a reed valve assembly. A method comprises mounting such a reed valve assembly on a radial piston compressor, arranging the fastener, in particular a screw, in the reed valve assembly and holding the fastener, in particular the screw, by means of the captive-retention means, and mounting the reed valve assembly on the radial piston compressor, in particular screwing the screw into the threaded hole provided therefor.

Abstract: An electromechanical braking device for a motor vehicle comprises an actuating device which is driveable by at least one electric motor and by which a brake part is adjustable, wherein the motor has a stator and a rotor, which is rotatably mounted therein about a motor axis, wherein the rotor comprises rotor magnets which are distributed over the outer circumference, are in the form of permanent magnets and extend in a rod-shaped manner axially parallel to the rotor axis, and which each have a radial magnet thickness and a magnet width in the circumferential direction. A ratio of the magnet thickness to the magnet width is between 0.4 and 0.55.

Abstract: A radial piston compressor comprises an eccentric shaft with a rotational axis, comprising an eccentric disk with an eccentric bearing, at least one piston-working chamber combination which extends radially from the eccentric shaft, and a housing, wherein the piston-working chamber combination comprises a working chamber and a piston which is displaceable in the working chamber along a piston axis and which can be driven by the eccentric shaft, wherein a swivel segment is arranged between the eccentric bearing and the piston, wherein the eccentric bearing and the swivel segment are axially fixed at least in portions between a first thrust washer and a second thrust washer, wherein at least one of the thrust washers, preferably both thrust washers, is/are rotationally fixedly connected to the housing.

Abstract: A plant for thermally activating fine-particle mineral raw materials for generating artificial pozzolans comprises a drying apparatus, a preheater, and a thermal treatment apparatus, where the fine-particle mineral raw material is conducted from the drying apparatus by way of the preheater to the thermal treatment apparatus, where a gas flow is supplied to the thermal treatment apparatus and supplied from the thermal treatment apparatus to the preheater, characterized in that a first gas flow heater is arranged ahead of the thermal treatment apparatus along the gas flow.

Abstract: In a cylinder head cover with an axial bearing for a camshaft which is received rotatably in the cylinder head cover, the camshaft comprises at least one functional component, wherein the axial bearing comprises at least one pin pair, between which the functional component is arranged. A method for assembling a cylinder head cover comprises inserting the camshaft with the functional component(s) into bearing half shells of a cylinder head cover main body, introducing the pins into receiving openings of the cylinder head cover main body, and placing a bearing frame onto the cylinder head cover main body, wherein the pins dip in portions into receiving openings of the bearing frame.

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: 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 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: 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.