Abstract: A method and a device for controlling an electrically actuated wear adjuster of a brake application device for vehicles, in particular rail vehicles. Said method comprises the following steps: a) determination of an actual application stroke of brake linings against an allocated brake disc or brake drum during service braking, in accordance with at least one measured brake application path that is traversed by the brake linings and with a measured braking force value that is allocated to said brake application path; b) comparison of the actual application stroke with a desired brake application stroke or a desired application stroke tolerance range and if the actual application stroke deviates from said stroke or range: calculation of an adjustment path from said deviation; c) electronic control of the wear adjuster in accordance with the calculated adjustment path.

Abstract: A compact helical compressor system for mobile use in vehicles is described. The system includes a helical compressor unit, a motor unit dedicated to the helical compressor unit for driving the helical compressor unit, and a control unit for adjusting a rotational speed of the motor unit and to generate a predefined discharge rate of compressed air from the helical compressor unit, independently of a drive assembly of the vehicle.

Abstract: A brake application for a rail vehicle brake includes a brake actuator for application and release of the rail vehicle brake. Also included is a force converter for converting energy supplied by the brake actuator to a brake application movement. The force converter includes: (1) a shearing force measuring bolt arranged in a power transmission path; (2) at least one measuring sensor measuring breaking force either indirectly or directly; and (3) at least two mutually swivellable force transmission elements having passage openings. The shearing force measuring bolt forms a hinge bolt of a hinge, which hinge bolt penetrates the passage openings.

Abstract: System for the secondary suspension of a superstructure (1) of a rail vehicle, having a hydropneumatic spring unit (3), with an assigned suspension accumulator (7) as an active spring element, placed between the superstructure (1) and a bogie (2) arranged below it, which active spring element ensures at least one raised travelling level (NF) for the superstructure during the travel of the rail vehicle, in which case, by way of the hydropneumatic spring unit (3), by means of a level control, in addition to the raised travelling level (NF), a lowered station platform level (NB) for the superstructure (1) can also be adjusted, the suspension accumulator (7) being blockable when the rail vehicle is stopped in order to relieve the level control during a change of load, and in that, for an emergency operation caused by a pressure drop, additionally at least one emergency spring cylinder (18) is provided which, in the event of a pressure failure, by means of an independent moving-out, ensures an emergency spring lev

Abstract: The invention relates to an electromechanical brake applying device, especially for a rail vehicle brake, comprising a) an operating brake unit for producing a load-corrected and/or a skid-controlled brake force, b) an accumulation brake unit having an energy accumulator for storing and supplying energy for applying the brake, and c) an unlockable locking device for the energy accumulator. According to the invention, at least one control and monitoring device is provided for monitoring the brake function of the brake applying device. When the brake applying device is intact, a signal for keeping the locking device locked can be produced by said control and monitoring device, and in the event of safety braking and/or park braking, the operating brake unit can be activated in order to apply the brake.

Abstract: The invention relates to a brake system for a railway vehicle. Said brake system comprises a main air reservoir line which is fed by an air compressor unit. Every bogie truck is provided with at least one compressed-air line which is connected to the main air reservoir line either directly or via a stop valve, a non-return valve and a compressed-air reservoir. The compressed-air line feeds, for example, the service brake valves for impinging the brakes of the bogie truck or a control unit for the spring-loaded brake and/or other control units for other auxiliary components. The service brake valves and/or the spring-loaded brake and/or other auxiliary components are controlled via at least one local, electronic brake control unit.

Abstract: The invention relates to a dry-running piston compressor, in particular for rail vehicles. Said compressor comprises a crankcase (3) for a crankshaft (15) that is rotatably mounted in said crankcase, the latter being provided with at least one pot-type cylinder (4a–4c) comprising a corresponding internal piston (12a, 12e). According to the invention, the crankshaft (15) is connected to one end of a connecting rod (14a, 14c) by means of a connecting rod hearing (16), which forms the first hearing point, in order to convert the rotational displacement into a linear displacement for the piston (12a, 12c) that is mounted at the other end of the connecting rod (14a, 14c) by means of a piston pin bearing (17), which forms the second bearing point. At least one lubricating nipple (18a, 18c) is mounted on the exterior of each connecting rod (14a, 14c) for relubricating the bearing point(s).

Abstract: The invention relates to a control device for compressed-air brakes having a control valve, comprising a housing, a piston rod, a piston, a second piston, a double-seat valve, having a control element, having a supply air reservoir, having a control chamber, having a main air pipe; one side of the piston being connected in a compressed-air carrying manner with the main air pipe; the other side of the piston being connected in a compressed-air carrying manner with the control chamber; one side of the second piston having a compressed-air connection to a brake cylinder or a brake cylinder pilot chamber; the double-seat valve being connected between a compressed-air connection of the supply air reservoir and the compressed-air connection to the brake cylinder or to the brake cylinder pilot chamber.

Abstract: The present invention relates to a method and to a system for monitoring the effectiveness of rail vehicle braking systems and, in response to certain criteria, initiating one or more of a safety braking and a switching-off of a brake-force-limiting or brake-force-reducing device of the braking system when a defined desired slip is not reached.

Abstract: The invention relates to a pneumatic operating unit for compressed air brakes including a housing having at least one exterior compressed air connection device and at least one air-carrying connection. The operating unit further includes at least one piston, at least one piston rod, at least one valve body, at least one valve seat and at least one cylinder body fitted into the housing. The at least one cylinder body has at least one transverse connection and includes one or more of the at least one piston, valve seat and body. The at least one cylinder body also includes a seal in an axial direction between two transverse connections with respect to the housing so that the transverse connections are sealed off with respect to one another.

Abstract: For determining a reference speed which is approximated to the actual vehicle speed, at least two wheel sensors are provided for each wheel speed to be measured. All existing wheel sensors are analyzed, and only one is selected and used for determining the reference speed as a function of the actual driving condition and of at least one defined speed criterion. At least one sensor is always available for controlling each wheel, even if one sensor is faulty.

Abstract: The invention relates to a brake actuator, especially for a rail vehicle brake, comprising a service brake unit with a brake force generator for applying and/or releasing the brake, an accumulator brake unit with an energy accumulator device for accumulating and delivering energy for applying the brake as an operative emergency brake and/or as a parking brake, and a force conversion device for converting the energy that is provided by the brake force generator and/or the energy accumulator device into a brake application movement. The invention provides that the brake actuator has an additional energy accumulator device for accumulating and delivering energy for applying and/or releasing the brake. The additional energy accumulator device and the brake force generator can be designed in such a way that the force required of the brake force generator during a braking operation in order to generate a defined brake application force level that is greater than zero but less than the maximum brake force is zero.

Abstract: The invention relates to a method for controlling the supply of a pressure medium on rail vehicles which are coupled together in a tractive link both mechanically and in order to enable the flow of said pressure medium, whereby said pressure medium is supplied by a main air container pipe which extends through all rail vehicles and which is fed with a pressure medium via a plurality of compressors individually mounted in each rail vehicle. The aim of the invention is to allow a balanced use of the compressors included in the tracture link. In order to achieve this, a changeable or fixed order of priority is defined for the compressors according to the total number of compressors in the tracture link, whereby the number of compressors activated depends on the order of priority necessary to meet the actual required amount of pressure medium.

Abstract: The invention relates to a spring brake cylinder with an emergency release device, comprising the following: a housing in which a spring-loaded piston can be moved axially with a piston rod, at least one spring-loaded spring, wherein the emergency release device comprises an actuation device, an emergency release mechanism to interrupt the power transmission between the spring-loaded piston and the piston rod and a holding device for holding the emergency release device in a transmission condition.

Abstract: An electromechanical brake actuator for a rail vehicle brake, comprising: an actuator housing having a flange; electronic components; an electronic system housing having a flange and detachably connected with the actuator housing, and at least some of the electronic components being in the electronic system housing; at least one vibration damping element of the detachable connection arranged between a flange of the actuator housing and a flange of the electronic housing; and a clearance existing between the electronic system housing and the actuator housing.

Abstract: The invention relates to a piston arrangement for a dual-stage piston compressor, comprising a cranksbaft and several cylinders which house the operating piston. Said arrangement allows two or more low-pressure stages and at least one high-pressure stage to be formed. The invention is characterized in that the two or more low-pressure cylinders are arranged in relation to the high-pressure stage in such a way that said two or more low-pressure cylinders are in phase or are offset by less than ±15° and compress in a position which is offset by 180°±20, in relation to one or more high-pressure cylinders.

Abstract: A brake body, for a brake pad or a disk brake lining, comprising: a support body having at least one recess; at least one friction material element arranged in the at least one recess with the at least one friction material element being movably inserted in a longitudinal direction in the at least one recess and, together with the support body, forming a friction surface; and a share-elastic intermediate layer inserted in a space along the at least one recess between the at least one friction material element and the support body.

Abstract: The invention is a brake disk and a method of producing the same. The brake disk has at least one friction ring which can be engaged by a brake shoe on at least one side. The friction ring is divided into at least two ring segments having mutually facing end areas configured to be coupled with one another adjacent a junction and separation area. A separation gap is formed between the mutually facing end areas, which mesh with one another. At least one connection device is positioned in the junction and separation area for coupling the ring segments together.

Abstract: The invention relates to a brake actuator, especially a brake actuator for rail vehicle brake calipers for a disc brake. Said brake actuator comprises a service brake unit with an electromotive drive system for clamping and releasing the brake, a safety brake unit with a pre-loaded spring device for clamping the brake, and a brake spindle for converting the movements of the electromotive drive system into a translatory movement for activating a brake clamping mechanism; especially for activating brake calipers. The invention is characterized in that the pre-loaded spring device and the brake spindle are positioned coaxially in relation to each other and are mechanically series-connected.

Abstract: A device for supplying current and/or voltage to a vehicle trailer for the electric supply of brake components of the vehicle trailer, where the vehicle trailer is connected with the tractor vehicle by a first supply line. At least one second supply line is provided to connect the vehicle trailer with the tractor vehicle. A brake light supply line may be used as the second supply line providing the current and/or voltage supply line for the electronic and/or electric components of a braking device of a vehicle trailer when the supply of the braking device has failed.