Abstract: A pneumatic pressure control valve for a brake control system of a rail vehicle having at least three pressure chambers supplied with compressed air and are disposed in a housing of the pressure control valve, a first pressure chamber sealed by a piston and by a valve seat arranged on a tappet, subjected to a braking pressure and fluidically connected to a second pressure chamber via a conduit in the tappet to relieve pressure, a further third pressure chamber supplied with a supply pressure, arranged between the two pressure chambers and the sealing between the third pressure chamber and the second pressure chamber is achieved by a flat membrane arranged in the third pressure chamber and which enables the tappet to be axially displaced, the flat membrane has a circular opening arranged substantially centrally to provide a check function and through which the tappet extends in the axial direction.

Abstract: A method for analyzing a scattering material located at a contact point between a rail and a wheel of a rail vehicle wherein the scattering material improves the force closure between the rail and the wheel. The method reads in a motion signal that represents a motion of the wheel caused by the scattering material located on the rail and evaluates the motion signal to analyze the scattering material located on the rail.

Abstract: A compressed-air brake assembly for a rail vehicle includes at least one brake cylinder for producing a pressing force for a friction brake, wherein at least one control valve forms a corresponding brake-cylinder pressure in accordance with a pressure in a main air line conducted to the at least one brake cylinder via a line arranged therebetween. The at least one control valve interacts with at least one compressed-air sensor. A reserve-air tank can be controlled by the at least one control valve and stores the reserve air for the at least one brake cylinder. At least one compressed-air sensor arranged on the at least one control valve is connected to an energy source and a data memory having an interface for reading out data, wherein the data in the data memory contain information about a pressure level in the at least one brake cylinder.

Abstract: A brake control device for a brake system for a rail vehicle, the brake system having at least one adhesion-type friction brake device. The brake control device receives brake actuation data, which are assigned to the at least one adhesion-type friction brake device, from a brake actuation sensor device of the brake system. The brake control device receives brake action data, which are assigned to the at least one adhesion-type friction brake device, from a brake action sensor device of the brake system, and to cause the adhesion-type friction brake device to effect a braking process, and to monitor and assign brake actuation data and brake action data to each other during a braking process. Also disclosed is a brake system, a rail vehicle and a method for operating a brake system.

Abstract: A control device for a rail vehicle, the rail vehicle having a braking system with at least one dynamic braking device and at least one further braking device. The control device determines the brake force exerted by the dynamic braking device during braking based on deceleration data, which represent an overall deceleration of the rail vehicle, tractive resistance data, which represent a tractive resistance of the rail vehicle, and braking data, which represent a brake force exerted by the at least one further braking device. Also disclosed is a braking system having the control device, a rail vehicle, and a corresponding method.

Abstract: A method for determining a braking torque on a braking system for a rail vehicle. The braking system associated with at least one wheel or at least one wheelset includes at least one brake disc for generating a braking force in response to at least one brake signal, at least one brake lining interacting with the brake disc and a brake caliper connected to the brake lining and a brake housing and a securing bracket. The brake caliper is mounted together with a brake housing in at least one first bearing point and a second bearing point, the second bearing point is at a distance from the first bearing point at a predefined bearing distance, a first sensor for providing a first measuring signal and a second sensor for providing a second measuring signal are arranged on the brake housing or between the housing and the bracket.

Abstract: An air supply system having a compressor driven by a motor for producing compressed air, an air drier system for extracting moisture from the compressed air produced, an electronic converter for demand-dependent control of the compressor and analog and/or digital sensors for producing electrical signals, the electrical signals being useful for controlling the electronic converter and for monitoring and controlling the compressor. The electrical signals produced by the sensors are converted in the electronic converter to bus signals that can be provided for evaluation at a bus interface.

Abstract: A crank drive arrangement of a piston compressor with a rolling bearing arranged on a crank pin of a crank shaft and to which a connecting rod is attached via an intermediate ring which interacts with apparatus for securing against rotation in relation to the connecting rod, wherein the apparatus for securing against rotation have a pin arrangement fastened in a play-free manner in the connecting rod by a thread and which comes into engagement in an interlocking manner in the intermediate ring via a play-exhibiting fit.

Abstract: An air-cooled reciprocating compressor for vehicles includes a compressing unit, which has a plurality of cylinders and is driven by a motor and has a fan for generating a cooling air flow. The fan is disposed on a connecting shaft between the motor and the compressing unit and takes in cooling air from the surroundings and delivers cooling air to a downstream cooling air duct, wherein the cooling air duct at least partially surrounds the cylinders and is designed such that cooling air can flow around all in-line cylinders of the compressing unit.

Abstract: An arrangement for a switching function unit for Ethernet having a number of active components of the Ethernet which are combined by a switching function unit to form a functional unit; and at least three mutually independent power supplies for supplying power to the active components, wherein a first of the at least three power supplies is a local power supply for the switching function unit, a second of the at least three power supplies is a first extraneous power supply via Ethernet for the switching function unit, and a third of the at least three power supplies is a second extraneous power supply via Ethernet for the switching function unit.

Abstract: A brake control device for a brake system of a rail vehicle, wherein the brake control device is designed to control at least one electromagnetic track brake device of the brake system on the basis of rail condition data. Also disclosed is a corresponding brake system, a rail vehicle, and a corresponding method.

Abstract: A brake control device for a braking system of a rail vehicle, wherein the brake control device is connected or connectible to a vibration-sensitive sensor device for receiving vibration data. The brake control device is designed to identify at least one periodic signal from the vibration data and to store vibration data-based comparative data, and to carry out a state analysis of the rail vehicle based on the comparative data and/or the at least one periodic signal. Also disclosed is a corresponding braking system, a rail vehicle and a method for carrying out a state analysis of the rail vehicle.

Abstract: A control device for a brake system of a rail vehicle, wherein the brake system includes a friction bracket device which is dependent on frictional engagement. The control device determines a braking effect applied during a braking process on the basis of a brake pressure or brake current and at least one further parameter. Also disclosed are a brake system having such a control device and a method for determining a braking effect.

Abstract: A control device for a rail vehicle, the rail vehicle having a braking system with at least one dynamic braking device and at least one further braking device. The control device determines the brake force exerted by the dynamic braking device during braking based on deceleration data, which represent an overall deceleration of the rail vehicle, tractive resistance data, which represent a tractive resistance of the rail vehicle, and braking data, which represent a brake force exerted by the at least one further braking device. Also disclosed is a braking system having the control device, a rail vehicle, and a corresponding method.

Abstract: A brake control device for a brake system of a rail vehicle, wherein the brake control device detects strain during a braking process on at least one friction brake device actuated during the braking process, the brake control device further stores wear data based on the detected strain in a memory device. Also disclosed is a brake system for a rail vehicle having such a brake control device, a rail vehicle having such a brake system and/or such a brake control device, and a method for operating a brake control device for a brake system of a rail vehicle.

Abstract: A brake control device for a brake system for a rail vehicle, the brake system having at least one adhesion-type friction brake device. The brake control device receives brake actuation data, which are assigned to the at least one adhesion-type friction brake device, from a brake actuation sensor device of the brake system. The brake control device receives brake action data, which are assigned to the at least one adhesion-type friction brake device, from a brake action sensor device of the brake system, and to cause the adhesion-type friction brake device to effect a braking process, and to monitor and assign brake actuation data and brake action data to each other during a braking process. Also disclosed is a brake system, a rail vehicle and a method for operating a brake system.

Abstract: An emergency brake device for a rail vehicle, having an emergency brake control valve device which provides an emergency brake control pressure to a pneumatic brake device of the rail vehicle; and having an emergency brake adjustment device which is capable of adjusting the emergency brake control pressure, which is provided to the pneumatic brake device, as a function of at least a load value of the rail vehicle and a speed value of the rail vehicle. Also disclosed is a brake system for a rail vehicle and to a rail vehicle.

Abstract: A method for monitoring a wheel mounted on a bogie of a rail vehicle. The method includes detecting a deformation of a brake for braking the wheel in a wheel circumferential direction of the wheel and checking the plausibility of the detected deformation based on a comparison with a target alignment.

Abstract: A rail wheel with a wheel body and friction discs connected thereto on both sides by fastening elements, wherein a multi-layer coating is arranged at least between the respective contact surfaces of the friction discs and the contact surfaces of the wheel body with a coating which can be subjected to mechanically and thermally high loading. Also disclosed is a method for producing a rail wheel.

Abstract: Wheel-mounted brake disks which are arranged on both sides of a wheel base of a railway wheel and are fastened by through bolts, the bolt head of every through bolt lying in a countersink of one wheel-mounted brake disk and a nut screwed onto the through bolt lying in a countersink of the other wheel-mounted brake disk, each resting either directly or indirectly on the bottom of the countersink. The wheel-mounted brake disks are designed so that every countersink has an undercut portion that extends down to the bottom.