KNORR-BREMSE SYSTEME FÜR SCHIENENFAHRZEUGE GMBH Patent applications |
Patent application number | Title | Published |
20130261924 | METHOD FOR CONTROLLING AN ANTISLIP-REGULATED FRICTION BRAKE SYSTEM OF A RAIL VEHICLE - A method for controlling an antislip-regulated friction brake system of a rail vehicle or rail vehicle train having a number of braked axles which subjects at least two selected axles to a braking pressure exceeding the braking pressure required for braking; measures at least one variable representing the maximum transmittable frictional force in each case between the wheels of the selected axles and the rail; prepares a list associating the selected axles with the respectively transmittable brake friction force; identifies at least one brake-slipping axle from the selected axles in which a brake slip exceeding a predetermined extent occurs; calculates lost braking work; identifies from the list at least one axle in which brake-slipping does not occur or occurs to a permissible extent; and applies the brakes on at least one axle. | 10-03-2013 |
20130140112 | BRAKE DEVICE COMPRISING A ROTOR OF AN EDDY CURRENT DISK BRAKE, THE ROTOR FORMING THE BRAKE DISK OF A FRICTION DISK BRAKE - A brake device of a vehicle, containing an eddy current disk brake having a rotationally fixed stator and a rotating rotor, wherein the rotor or the stator bears an eddy current path and the stator or the rotor bears a magnetic arrangement, the magnetic field lines of which induce eddy currents in the eddy current path for generating a braking torque upon a relative movement of the rotor with respect to the stator, and a friction disk brake having at least one brake disk and brake pads cooperating with the brake disk for generating a braking friction torque between the brake disk and the brake pads, wherein the rotor of the eddy current disk brake is formed by the brake disk of the friction disk brake. | 06-06-2013 |
20130068322 | CONTROL VALVE FOR AN OIL-INJECTED SCREW-TYPE COMPRESSOR - A control valve for an oil-injected screw-type compressor, in particular for installation in a vehicle, wherein oil located in a screw-type compressor housing can be supplied in a controlled manner via the control valve to a heat exchanger and/or to a bypass in such a way that cold oil is conducted through a bypass around the heat exchanger and warm oil is conducted through the heat exchanger. A control valve is provided for an oil-injected screw-type compressor and ensures rapid heating of the oil in the screw-type compressor even with a short activation time. The control valve has a control piston that is actuated by a control element and cooperates respectively with a heat exchanger opening disposed in a control valve housing and a bypass opening, and that the control piston controls at least one bypass opening which cooperates with the heat exchanger opening. | 03-21-2013 |
20120305343 | PLUNGER ROD ADJUSTER FOR COMPACT BRAKE CALIPER UNITS, HAVING AN ADJUSTING LEVER THAT ABUTS ON AN ELASTIC STOP - A disk brake of a rail vehicle, having a brake caliper, the caliper arms of which are coupled with one end to brake shoes and with the other end to a wear adjuster, the length of the wear adjuster is adjustable by a control mechanism depending on the stroke of a brake force motor. A control rod of the control mechanism acts upon an adjusting element of the wear adjuster, the adjusting element includes a freewheeling mechanism mounted in a housing of the wear adjuster and a stop section of the adjusting element loaded in a self-adjusting starting position against a stop of the housing by at least one return spring element. The stop contains at least one element that is elastic in the direction of abutment. | 12-06-2012 |
20120292138 | PLUNGER ROD ADJUSTER FOR COMPACT BRAKE CALIPER UNITS, HAVING A SCREW CONNECTION ELEMENT SUPPORTED DIRECTLY ON THE ADJUSTER HOUSING - A wear adjuster for a brake caliper of a disk brake of a rail vehicle, having a) a helical gearing which has a threaded spindle and a nut to be screwed thereon as the screw connection elements, one of the screw connection elements and an adjusting element being rotatable in a first wear adjuster housing to rotatingly drive the screw connection element in the wear adjusting direction and the other screw connection element being non-rotatably mounted in a second wear adjuster housing, b) a wrap spring freewheeling mechanism which is blocked in a direction of rotation of the rotatable screw connection element against a wear adjustment and which is freewheeling in the opposite direction of rotation, the wrap spring freewheeling mechanism coupling the rotatable screw connection element to a rotationally fixed element. The rotationally fixed element is formed directly by the first wear adjuster housing. | 11-22-2012 |
20120259487 | METHOD FOR MONITORING THE STATE OF A BOGIE OF A RAILWAY VEHICLE COMPRISING AT LEAST ONE WHEEL SET - A method for monitoring the state of a bogie of a railway vehicle having at least one wheel set, wherein the wheels of the wheel set are rigidly connected by an axle and have an approximately conical wheel profile, and signals corresponding to a sinusoidal run of the wheel set of the bogie based on the conical wheel profile of the wheels are filtered out of signals provided by sensors disposed on the bogie. The frequency of the sinusoidal run is determined relative to boundary conditions, such as the prevailing vehicle speed, and compared to a save value or range of values for the frequency of the sinusoidal run typical for the prevailing boundary conditions, wherein the deviation of the measured frequency from the saved value or range of values for the frequency is monitored. | 10-11-2012 |
20120197505 | METHOD FOR PREDICTING THE TEMPERATURE OF A WHEEL BEARING OF A WHEEL OF A VEHICLE - A method for predicting the temperature (T | 08-02-2012 |
20120197483 | METHOD AND ELECTRONIC DEVICE FOR MONITORING THE STATE OF COMPONENTS OF RAILWAY VEHICLES - A method for monitoring the state of components of a railway vehicle, wherein sensors for capturing loads acting on the components are operated, the measurement values thereof are fed as input values to an analysis unit for analyzing the wear state, wherein the current position of the railway vehicle is processed as a signal to this end, wherein the current velocity of the railway vehicle is recorded over time, from which a v-t profile is generated and compared to a stored v-t profile in order to determine the current position as a further input value for monitoring the state by stochastically comparing both profiles. | 08-02-2012 |
20120188346 | MONITORING DEVICE AND METHOD FOR MONITORING AN ENTRY OR EXIT AREA OF AN ACCESS OPENING OF A VEHICLE TO A BUILDING COMPONENT - A monitoring device for monitoring an entry or exit area of an access opening of a vehicle to a building component having an optical camera system including a first camera for providing a first image and a second camera for providing a second image, so that a stereo image can be generated from the first and the second image. The monitoring device also includes an analysis unit, such that at least one object in the entry or exit area can be detected from the stereo image and/or a position of the building component relative to at least one part of the vehicle can be determined from the stereo image for monitoring an entry or exit area. | 07-26-2012 |
20120152666 | CONNECTION OF A BRAKE LINING AND A LINING MOUNT - A connection of a brake lining, preferably a disc brake of a railway vehicle, having a lining mount, wherein the brake lining includes a guide bar on the back side thereof lying in a guide track of the lining mount and held on the lining mount by means of a clamping element of at least one clamping device engaging behind the guide bar under spring load and pressing against the guide track, designed so that the clamping element can be brought out of engagement by an actuating element rotatably or displaceably mounted on the lining mount. | 06-21-2012 |
20120018260 | BRAKE SYSTEM OF A RAIL VEHICLE WITH COMPENSATION OF FLUCTUATIONS OF THE FRICTION CONDITIONS - 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. | 01-26-2012 |
20100116041 | DEVICE FOR ERROR MONITORING OF CHASSIS COMPONENTS OF RAIL VEHICLES - 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. | 05-13-2010 |