Abstract: The invention relates to a control device and a method for controlling at least one actuator for actuating braking means of a vehicle. A contact variable control system forms an inner control circuit, wherein the braking torque control system is arranged in a braking torque control unit embodied separately or in a separate location from the contact variable control unit and forms an outer control circuit.

Abstract: A brake pad holder for a rail vehicle includes a pad holder and a brake pad held on the pad holder in a locked manner. The pad holder includes a guide channel extending in the longitudinal direction of the pad holder, in which the brake pad can be movably held, wherein, in order to lock the brake pad in the longitudinal direction of the pad holder, a locking latch pivotably held on the pad holder, which protrudes into the guide channel in a locking position in which the brake pad is fixed in a functional position, and is removed from the guide channel in a release position.

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: The invention relates to a drain valve for a cooler of a compressor, with a pressure chamber which can be connected to the inner chamber of the cooler by means of a connection opening, and an outlet for removing a condensate. The valve according to the invention comprises a pneumatic switching device and a non-return valve which are operatively connected to the pressure chamber, with an operative connection between the switching device and the non-return valve by means of which the non-return valve can be switched to an open position by the switching device. During the idle operation of the compressor, the non-return valve can be switched by means of the switching device into an open position such that condensate from the connection opening can be removed through the outlet via the non-return valve.

Abstract: The invention relates to a device and a method for controlling a braking device of a rail vehicle, wherein a pressure characteristic curve of the braking device is changed by means of characteristic curve change device as a function of a frictional characteristic of a type of brake lining used in the braking device.

Abstract: A method for determining changes in the longitudinal-dynamic behavior is disclosed, in particular of an undercarriage, of a railway vehicle for identifying a current driving condition of the railway vehicle, wherein variables, which cannot be measured and which characterize the longitudinal-dynamic behavior, are reconstructed and evaluated via a system model of the railway vehicle by means of a cybernetic observer from a known or metrologically determined input signal and at least one measuring signal of the observed railway vehicle as an observed real reference system. The at least one measuring signal of the observed railway vehicle and a corresponding reconstructed measuring signal of the system model are compared and the deviation determined by comparison is recursively tracked with a regulator so that the determined deviation is minimized.

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 lining for a disc brake includes a distribution of lining elements which are arranged on a lining support or on group supports in groups, and the group supports are secured to the lining support. The lining elements have first lining elements and second lining elements, and the group supports have a first group support and a second group support. The first lining elements are arranged on the first group support or on the lining support in a non-tiltable and/or inflexible manner, and the second lining elements are arranged on the second group support or on the lining in a tiltable and/or flexible manner.

Abstract: The invention relates to a drain valve for a cooler of a compressor, with a pressure chamber which can be connected to the inner chamber of the cooler by means of a connection opening, and an outlet for removing a condensate. The valve according to the invention comprises a pneumatic switching device and a non-return valve which are operatively connected to the pressure chamber, with an operative connection between the switching device and the non-return valve by means of which the non-return valve can be switched to an open position by the switching device. During the idle operation of the compressor, the non-return valve can be switched by means of the switching device into an open position such that condensate from the connection opening can be removed through the outlet via the non-return valve.

Abstract: A device and method controls the different energy sources for supplying a vehicle with main and auxiliary air, for which compressed air is produced for pressurizing a main air tank and an auxiliary air tank using at least one compressor. That compressor is driven via a respective associated electric motor, wherein the main air is supplied via an external primary energy source and the auxiliary air is supplied at least partially via an internal secondary energy source which is weaker in contrast. There is a shift between the two different energy sources depending on the operating status of the vehicle, wherein the auxiliary air supply is switched off by decoupling the electric motor from the secondary energy source.

Abstract: A braking system for a rail vehicle includes a target value generator for the target value of the overall braking power, a controller for determining at least one manipulated variable value on the basis of the target value and at least one actuator which transmits the manipulated variable value to the at least one braking device. The system at least approximately determines acceleration components of the rail vehicle and determines the actual value of the total braking power from the acceleration components while taking the vehicle speed and the vehicle mass into consideration. The controller is designed to control the manipulated variable value such as to reduce the control deviation between the target value and the determined actual value.

Abstract: A method and device control at least one air dryer unit of an air supply system for the primary and auxiliary air supply of a vehicle. In the method and device, at least one compressor is driven by an associated electric motor that serves both for the primary air supply of a primary air tank and for the auxiliary air supply of an auxiliary air tank. Compressed air generated by the compressor is channeled over the at least one downstream air dryer unit so as to dry the compressed air generated by the compressor while the drying agent of the air dryer is regenerated with dried compressed air. During the auxiliary air supply, the air flow used for regenerating the at least one air dryer unit is reduced or suppressed.

Abstract: A control valve for automatic compressed-air brakes forms a brake cylinder pressure in at least one connected brake cylinder in accordance with a pressure difference between a pressure in a continuous main air line of a train and a stored reference pressure, which is drawn from the pressure of the main air line, comprising valve means for drawing a control pressure from the pressure of the main air line in order to produce a brake cylinder pressure for applying to the brake cylinder. A first piston system provides the control pressure from the pressure of the main air line and a valve mechanism for producing the brake cylinder pressure, wherein a short-stroke first piston system actuates the accelerating element in the same valve housing interacts with a second piston system for actuating the valve mechanism, the second piston system being of longer stroke in relation to the first piston system.

Abstract: A rail vehicle compressor system and method for controlling the same uses a compressor driven by an electrical machine via a drive shaft to produce compressed air for at least one compressed air tank, wherein the electrical machine can be activated at least indirectly via a control device for operating the electrical machine at at least one speed between a maximum speed and a minimum speed, wherein at least one pressure sensor determines the pressure for the control device and a final control element continuously influences the speed of the electrical machine, wherein activation of the final control element takes place via the control device in accordance with a sensor device, comprising at least one sensor element for sensing at least one external boundary condition of the rail vehicle.

Abstract: An air supply system to be mounted in or on a railway vehicle or commercial vehicle comprises a compressor device for producing compressed air, an air dryer device for dehumidifying the compressed air, and a housing for enclosing the compressor device and the air dryer device. Furthermore, a cooling is provided which can be operated independently of the operating mode of the compressor device.

Abstract: The invention relates to a device and a method for controlling a braking device of a rail vehicle, wherein a pressure characteristic curve of the braking device is changed by means of characteristic curve change device as a function of a frictional characteristic of a type of brake lining used in the braking device.

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 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 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: A compressed air supply device for a rail vehicle, having a main compressor for generating compressed air for a pneumatic brake system and a vehicle battery for supplying electric energy. The compressed air generator for supplying additional auxiliary air for operating at least one pneumatic actuator is provided in a frame of an adjusting drive for a pantograph. The compressed air generator for supplying auxiliary air includes an electric frequency converter for operating the electric-motor driven main compressor of the rail vehicle with low rotational speed from the electric drive energy provided by the vehicle battery. A secondary line is attached to the compressed air line connected to the main compressor to branch off the auxiliary air for the supply of auxiliary air of the actuator.