| KNORR-BREMSE SYSTEME FUR SCHIENENFAHRZEUGE GMBH Patent applications |
| Patent application number | Title | Published |
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| 20120043169 | PARKING BRAKE DEVICE OF A RAILWAY VEHICLE HAVING HIGH EFFICIENCY - A brake device of a railway vehicle, having at least one operating brake cylinder having at least one operating brake piston actuated by a pressurizing medium, the piston actuating an operating brake piston rod coaxial to the brake cylinder axis, and having a parking brake device having a pivotally supported actuating lever, the rotary motion thereof being transmitted to a shaft rotationally supported by at least one shaft bearing on a housing, wherein the rotary motion of the shaft induced by the actuating lever can be converted to a linear motion parallel to the brake cylinder axis of at least one support roller rotationally supported by a support roller bearing on a rotary axis disposed parallel to the shaft, in that at least one cam having an operating cam face and rotationally fixed to the shaft is provided, the cam interacting with a radially outer support roller surface of the support roller during a tightening or releasing stroke of the parking brake device, wherein the linear motion of the support roller is transferred to the operating brake piston rod. | 02-23-2012 |
| 20110273004 | BRAKE DEVICE ARRANGEMENT AND AUXILIARY DEVICE ARRANGEMENT OF A PNEUMATIC BRAKE SYSTEM OF A VEHICLE - 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. | 11-10-2011 |
| 20110266102 | PNEUMATIC BRAKE CYLINDER - 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. | 11-03-2011 |
| 20110226568 | PNEUMATIC BRAKE CYLINDER - 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. | 09-22-2011 |
| 20110120820 | SHAFT BRAKE DISC, IN PARTICULAR FOR A RAIL VEHICLE - 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. | 05-26-2011 |
| 20110077815 | METHOD FOR MONITORING AT LEAST ONE SYSTEM PARAMETER WHICH INFLUENCES THE OPERATING BEHAVIOUR OF VEHICLES OR TRAINS OF VEHICLES - 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. | 03-31-2011 |
| 20100305788 | METHOD FOR ADAPTING AT LEAST ONE PARAMETER IN A CONTROLLED SYSTEM OF A VEHICLE - 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. | 12-02-2010 |
| 20100294601 | COMBINATION CYLINDER WITH PAWL-ACTUATED EMERGENCY RELEASE DEVICE FOR THE PARKING BRAKE - 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. | 11-25-2010 |
| 20100283276 | RAIL WHEEL - 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. | 11-11-2010 |
| 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 |
| 20100066282 | TRACTION DRIVE OF A RAIL VEHICLE FOR DRIVING AND GENERATIVE BRAKING WITH LOAD CORRECTION - 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. | 03-18-2010 |
| 20090252627 | Compressor Assembly Comprising a Valve Unit in the Intake Region - An air compressor assembly includes a compressor housing, an intake port defined by the compressor housing for intake of the air, and a plurality of guide contours disposed adjacent to the intake port. The guide contours include between three and six strips. A valve unit is disposed adjacent to the intake port, the valve unit comprising a closing element that assumes an opened position during operation and a closed position when in a switched-off state. The closing element is plate-shaped, is axially movable, and is guided by the plurality of guide contours between the opened position and the closed position. A stroke limitation element is provided to limit axial movement of the closing element in the opened position. A spring is disposed between the closing element and the stroke limitation element. The spring provides a return force to the closing element to bias the closing element into the closed position. | 10-08-2009 |
| 20090220359 | COMPRESSOR ASSEMBLY - A compressor assembly includes a support plate and a plurality of components mounted on the support plate via mechanical connections. The plurality of components includes at least a drive and a compressor for compressing air, the compressor being driven by the drive. The assembly also includes at least one line integrated into the support plate and selected ones of the mechanical connections. The line provides at least one of a fluidic connection and an electrical connection between at least two of the plurality of components. | 09-03-2009 |
| 20090151794 | Compressor Arrangement With Bypass Means for Preventing Freezing of the Cooling Unit - Compressor arrangement for generating compressed air by means of a motor-operator compressor unit, down stream of which at least one cooler unit is connected for cooling the generated compressed air, which enters the cooler unit via at least one inlet, flows there through a cooling structure, around which cooling air flows, from a plurality of cooling passages connected in parallel and leaves the cooler unit via at least one outlet, wherein a permanently open bypass pipe is provided between the region of the inlet and the region of the outlet, the inner cross section of which bypass pipe is matched to the delivery capacity of the compressor unit and to the pressure difference between inlet and outlet in such a way that the bypass pipe, at normal ambient temperatures, causes a higher flow resistance than the cooling structure, whereas, as freezing of the cooling structure progresses, the compressed air flows increasingly via the bypass pipe in order to maintain the generation of compressed air with minimum loss of cooling of and delivery capacity. | 06-18-2009 |
| 20090116975 | Screw Compressor Comprising a Relief Valve - A compressor arrangement includes a compressor housing, an intake region defined in the compressor housing, a control pressure connection in communication with the intake region, a control pressure chamber in communication with the control pressure connection, a control piston disposed in the compressor housing beneath the control pressure chamber, a guide element securing the control piston in the compressor housing, at least one sealing element disposed between the control piston and the guide element, and a feed pressure connection defined in the compressor housing to supply compressed air beneath the control piston. In a closed position, the control piston closes the feed pressure connection when in the closed position. In an opened position, the control piston opens the feed pressure connection when in the opened position, thereby permitting air to vent from the feed pressure connection via a venting connection. | 05-07-2009 |
| 20090041589 | Oil-Injected Compressor with a Temperature Switch - An oil-injected compressor, with an oil circuit for lubrication, and an oil separating device which is used to separate the oil from the compressed air. A self-resetting temperature switch, which is used to switch off the compressor unit when the maximum temperature limit of the incoming compressed air is reached, is provided in the region of the inlet of the compressed air, which contains oil, in the oil separating device. At least one non-self-resetting additional temperature switch is provided in the internal area of the oil separating device, which immediately switches off the compressor unit following a fire or an explosion of the compressed air, which contains oil, and which is contained in the oil separating device. | 02-12-2009 |
| 20080206085 | Oil-Injected Compressor with Means for Oil Temperature Regulation - The invention relates to an oil-injected compressor, in particular, an oil-injected mobile screw compressor with a motor-driven compressor unit, for the generation of compressed air cooperating with an oil circuit for lubrication, the oil tank of which is housed in a subsequent oil separator device for separating the oil from the compressed air. Means for oil temperature regulation are provided, comprising a cooler with a fan. The means for oil temperature regulation comprises a speed variable drive for the fan as adjuster, a regulator device for the speed of the fan matches the heat transferred to the ambient cooling air by the cooler. | 08-28-2008 |
