Abstract: A water-cooled piston compressor having at least one air-compressing piston, which can be driven with means for producing a linearly oscillating drive force and which is accommodated in an axially movable manner in a cylinder housing which is closed at the end face via a cylinder head and is provided with water-cooling means, wherein the water-cooling means comprise a cylinder housing which is formed with a double wall and on whose end face facing the cylinder head a plurality of cooling openings are arranged, via which coolant flowing through the double-walled cylinder housing comes into contact with the region of the cylinder head.

Abstract: A brake system of a rail vehicle, having at least one brake actuator with at least one brake disk and at least one brake lining, which interacts with the brake disk, for generating a braking force. Also disclosed is a sensor device to measure the time profile of at least one variable, representing fluctuations in the friction conditions between the wheel or wheel set assigned to the brake actuator and the rail and/or between the brake disk assigned to the brake actuator and the at least one brake lining, and to output a signal dependent on the measured variable to a control device which adapts the braking force generated by the brake actuator as a function of the deviation of the time profile of the measured variable from a predefined or expected time profile of the variable.

Abstract: The invention relates to a traction drive for the driving and generative braking of a rail vehicle or a combination of rail vehicles, at least one permanent-field synchronous motor and a traction current converter being associated with at least one axle of the rail vehicle or combination of rail vehicles. The traction current converter includes at least one pulse current converter on the engine side, and the clamps of the permanent-field synchronous motor are connected to a change-over switch such that the permanent-field synchronous motor can be connected to a load circuit forming a load, to drive the pulse current converter or for generative braking. According to the invention, the load circuit connected to the permanent-field synchronous motor for generative braking is designed and/or controlled in such a way that the characteristic values of the load circuit can be modified according to the loading of the rail vehicle or combination of rail vehicles.

Abstract: A brake device arrangement and auxiliary device arrangement of a pneumatic brake system of a vehicle include a pneumatic control valve and other pneumatic components for carrying out braking functions or auxiliary braking functions of the braking system. In order to produce a modular construction, a brake control module, which is pre-mounted on a support for producing a braking pressure, is arranged adjacent to a filter module, for treating the air on the input side, and at least one auxiliary module for fulfilling the auxiliary braking functions.

Abstract: The invention relates to a pneumatic brake cylinder including a piston for transferring the pneumatic pressure to a brake, and a device for automatic adjustment in the event of wear of the brake linings, the device comprising a spindle, an adjusting nut, and a control sleeve that can be engaged with the adjusting nut. According to the invention, the control sleeve is embodied as a composite part including a metallic coupling ring and a sliding sleeve of a plastic material.

Abstract: The invention relates to an electropneumatic braking system of a rail vehicle, containing a direct-action electropneumatic braking device and an indirect-action compressed-air braking device.

Abstract: A magnetic rail brake device includes a brake magnet with a solenoid former supporting a solenoid. A horseshoe-shaped magnet core is disposed adjacent to the solenoid former. The horseshoe-shaped magnet core includes a yoke having cheeks that project away from the yoke. Pole shoes are formed at ends of the cheeks. The solenoid includes an upper part, with an upper height and an upper width, and a lower part, with a lower height and a lower width. The solenoid is disposed between the cheeks and engages vertically around the yoke. The upper height is less than the lower height, and the upper width is greater than the lower width. The upper and lower heights are measured parallel to a vertical center axis of the brake magnet, and the upper and lower widths are measured transversely with respect to the vertical center axis.

Abstract: The invention relates to a pneumatic brake cylinder including a piston for transferring the pneumatic pressure to a brake, a pressure chamber defined by the piston and part of the inner wall of the brake cylinder, and a sealing ring sealing a gap between the piston and the inner wall of the brake cylinder. According to the invention, the sealing ring is vulcanised onto the piston.

Abstract: The invention relates to a combination cylinder including a service brake cylinder as an active service brake with at least one pressure-medium-actuated service brake piston which actuates a brake mechanism via a service brake piston rod, and a spring store brake cylinder as a passive parking brake with a spring store brake piston which is actuated by pressure medium counter to the action of at least one store spring, with the spring store brake piston transmitting the force of the at least one store spring to the service brake piston rod by a force-transmitting gearing in the parking braking situation. The invention provides for the gearing to be designed such that the movements of the spring store brake piston and of the service brake piston rod are coaxial and the force transmission ratio becomes greater with progressive stroke of the spring store brake piston.

Abstract: A shaft brake disc, in particular for a rail vehicle, including a friction ring fastened to a hub by way of screws that are passed through a clamp ring at the inner periphery of the friction ring that sits against support flanges, the clamp ring forming a backing support for the screws, is adapted so that the clamp ring and the hub engage one another in a form-fitted manner.

Abstract: A method monitors at least one system parameter which influences an operating property of vehicles or trains of vehicles, using an adaptable theoretical model which generates a theoretical behavior of a vehicle or train of vehicles from operating data of the vehicle or train of vehicles. The method includes determination of a real behavior of a vehicle or train of vehicles from operating data such as acceleration and/or deceleration of the vehicle or of the train of vehicles, comparison of the real behavior of the vehicle or train of vehicles with the theoretical behavior of the vehicle or train of vehicles, and monitoring of the system parameter by the theoretical model if the theoretical behavior of the vehicle or train of vehicles corresponds to the real behavior of the vehicle or train of vehicles.

Abstract: A brake device of a rail vehicle includes at least one spring-loaded cylinder having a pressure port and at least one service brake cylinder having a pressure port configured to receive a service brake pressure. Further included is a control valve arrangement having at least three ports, wherein a first port is connected to the pressure port of the spring-loaded cylinder and the control valve arrangement is configured to connect the first port to one of the following: (1) a second port configured to receive a pressure derived from a first pressure reservoir; and (2) a third port.

Abstract: A device for the secondary suspension of a body of a rail vehicle, the device comprising a spring element which is between the body and a bogie and to ensure at least one raised transport level for the body during the journey of the rail vehicle. The spring element can be compressed by a traction cylinder when the rail vehicle is stationary, in order to adjust a sunken platform level for the body, which is arranged below the raised driving level. The traction cylinder is provided with means for mechanically decoupling the advancing movement of the body from a pressure reduction in the pressure chamber of the traction cylinder.

Abstract: The invention relates to a magnetic rail brake device of a railway vehicle, including a magnetic base or carrier element, and a magnetic coil which can be connected to a voltage source by means of a connecting mechanism that is on the base or carrier element and is provided with at least two electrical terminals. An end face of the connecting mechanism is disposed within an imaginary enveloping area of the base or carrier element.

Abstract: The invention relates to a method for adapting at least one parameter in a controlled system of a vehicle, wherein at least some of the possible positions of the vehicle within a road network that can be traveled by the vehicle are associated with at least one position-related boundary condition of the road network. The at least one parameter in the controlled system of the vehicle is adapted during travel as a function of the current position of the vehicle based on the position-related boundary conditions that are present there.

Abstract: The invention relates to a combination cylinder including a service brake cylinder as an active service brake with at least one pressure-medium-actuated service brake piston which actuates a brake mechanism via a service brake piston rod, and a spring store brake cylinder as a passive parking brake with a spring store brake piston which is actuated by pressure medium counter to the action of at least one store spring, with the spring store brake piston transmitting the force of the at least one store spring to the service brake piston rod by a force-transmitting gearing in the parking braking situation. The invention provides for the gearing to be designed such that the movements of the spring store brake piston and of the service brake piston rod are coaxial and the force transmission ratio becomes greater with progressive stroke of the spring store brake piston.

Abstract: A rail wheel with a wheel body and wheel brake discs connected thereto with fastening elements on both sides is designed in such a way that at least in the respective contact regions of the wheel brake discs a mechanically and thermally highly resilient intermediate layer is arranged on the wheel body.

Abstract: A magnetic rail brake device of a rail vehicle comprises at least one braking magnet including a magnet coil body having a plurality of magnetic elements held thereon, and which magnetic elements are movable. The device also comprises at least one fixing strip running parallel to a longitudinal length of the magnetic coil body and directly connected to the magnetic coil body to fix the braking magnet to other components of the magnetic rail brake device.

Abstract: The invention relates to a device for the error monitoring of chassis components of rail vehicles, including at least one vibration sensor. According to one embodiment of the invention, at least one vibration sensor is arranged on a bogie frame or on a wheel set bearing of an axis of a bogie of the rail vehicle such that the detection direction thereof has a component in the moving direction (x-direction) or a component perpendicular to the moving direction (y-direction) and at the same time a component parallel to the vertical axis (z-direction) of the rail vehicle.

Abstract: The invention relates to a traction drive for the driving and generative braking of a rail vehicle or a combination of rail vehicles, at least one permanent-field synchronous motor and a traction current converter being associated with at least one axle of the rail vehicle or combination of rail vehicles. The traction current converter includes at least one pulse current converter on the engine side, and the clamps of the permanent-field synchronous motor are connected to a change-over switch such that the permanent-field synchronous motor can be connected to a load circuit forming a load, to drive the pulse current converter or for generative braking. According to the invention, the load circuit connected to the permanent-field synchronous motor for generative braking is designed and/or controlled in such a way that the characteristic values of the load circuit can be modified according to the loading of the rail vehicle or combination of rail vehicles.