| Patent Number |
Title Of Patent |
Date Issued |
| 5769400 |
Height and inclination control of a wagon body |
June 23, 1998 |
| The present invention is a process and system for controlling the wagon body of a vehicle which can be used alone or in combination with a steel spring system. The control system has comparatively small geometrical dimensions and requires relatively little energy and includes a pressure |
| 5720366 |
Disc brake with cam operating device |
February 24, 1998 |
| Disc brake having a caliper displacable on a stationary support to press a pair of brake shoes on each side of a brake disc, a brake operating device having a piston rod acting upon a rotating lever, the rotating lever rotates about a first axis perpendicular to the axis of the brake dis |
| 5671682 |
Sway brace with sprung support and supplementary and emergency spring |
September 30, 1997 |
| The invention relates to a sway brace on rail vehicles. The aim of the invention is to find a solution in which the effort and expense needed to produce the sprung sway braces can be reduced and the transverse forces and the resultant wear occurring on deflection can be reduced to the |
| 5568845 |
Pneumatically operated disk brake |
October 29, 1996 |
| A pneumatically operated disk brake having a caliper actuated by an application through a traverse member which is displaceably guided with respect to the brake disk, at least one adjusting spindle is adjustably screwed to the traverse member and an adjusting device acts upon the adj |
| 5515949 |
Pneumatically operated disk brake |
May 14, 1996 |
| A pneumatically operated disk brake wherein a ball socket bearing at the connection of a lever arm to a compressed air cylinder's plunger arm of a caliper includes a slide bearing between the ball and the socket of the ball socket bearing whose sliding surface, consists of at least 70% b |
| 5501305 |
Device for generating a reversible working stroke |
March 26, 1996 |
| A force generating system including a lever mechanism fixed with respect to and interacting with a varying elastic deformation force take-up system and at a force application point of a given lever arm length; an energy-storing force generating device which acts upon the lever mechanism |
| 5481801 |
Process for manufacturing a bearing seat for a half-shell bearing |
January 9, 1996 |
| A process for the manufacturing of a bearing seat for a half-shell bearing in a metal part, in which the metal part is produced by a forging or casting operation with the simultaneous construction of a half-shell-shaped recess whose diameter is slightly smaller than that of the half- |
| 5477739 |
Process for determining the overrun force of a trailer |
December 26, 1995 |
| A process is disclosed for determining the overrun force which is produced by a trailer on a tractor during the braking operation without the requirement of a force sensor on the coupling. This process consists essentially of determining the equilibrium of the forces acting upon the |
| 5439078 |
Pneumatically operated sliding-caliper disk brake for commercial vehicles |
August 8, 1995 |
| A pneumatically operated sliding-caliper disk brake wherein the sliding-caliper is mounted to two fixed guide members by two guide bearings having elastomer bearing bushings of different length bearing surfaces for displacement in the axial direction of the brake disk. The longer ela |
| 5439077 |
Brake disk for wheel disk brakes |
August 8, 1995 |
| A brake disk includes a ring body in a ring groove on a side of a friction ring which is not acted upon for connecting the mutually opposite ends of friction ring segments with one another. The ring bodies prevent an expanding of the juncture caused by centrifugal force as well as a radi |
| 5429424 |
Pneumatic brake for railway locomotives and motor cars |
July 4, 1995 |
| A pneumatic brake system for use with an additional brake including a by-pass valve in parallel to a shut-off valve. The by-pass valve is opened only during an actuating or controlling of the pneumatic brake which exceeds a control range and opens up the passage through the brake pre |
| 5405182 |
Method and apparatus for controlling a brake valve based on sensed conditions and a model of the |
April 11, 1995 |
| The electronic brake control simulates by electronic means various real changes over time of the pneumatic pressures in a braking system, in particular the pressure in the main air pipe of the train, the pressure in the R containers of the individual wagons and the pressure in the in |
| 5328253 |
Electropneumatic control system for compressed air brakes of rail cars |
July 12, 1994 |
| The electropneumatic control system for the pressure in the main air pipe (37) of compressed air brakes of rail cars is provided with one inlet and one outlet solenoid valve (3 and 4) to control the pressure in a control chamber (26) of a relay valve (19). The inlet solenoid valve (3) an |
| 5090519 |
Disk brake for vehicles |
February 25, 1992 |
| In a disk brake actuated preferably hydraulically, a piston (5) is guided within a housing located in a caliper. When pressure is applied, the piston acts in such a manner against a brake shoe (15) bearing a brake lining (17) that the brake shoe (15) is pressed with its brake lining |
| 5075859 |
Anti-locking braking system with limited yawing moment |
December 24, 1991 |
| In the anti-locking braking system with limiting yawing moment, a first functions generator (1) interrogates the settings of the monitored valves and, from the derivative trends over time of the valve settings and in accordance with a predetermined function derives a signal which represe |
| 5074624 |
Bogie vehicle with electrohydraulic brakes and hydropneumatic suspension |
December 24, 1991 |
| The railborne bogie vehicle with electrohydraulic brakes and hydropneumatic leveling suspension has in each of its bogies a hydraulic pressure supply unit (9) from which pressure control valves (15, 16) parallel to each other provide pressure to both the hydraulic brakes (19) and the |
| 5052277 |
Hydraulic cylinder for braking elements of vehicles |
October 1, 1991 |
| In an hydraulic cylinder for vehicle braking elements, a clamping piston (1) moved in a housing (3) by hydraulic pressure acts relative to a brake lining carrier bearing a brake lining, e.g., in the form of a brake shoe which, during braking, is forced against the brake disk. To prevent |
| 5038896 |
Brake cylinder for rail vehicles |
August 13, 1991 |
| In a brake cylinder (1) for vehicle brake systems a service and a parking brake are provided within a common housing (25). The parking brake (41) acts on a brake actuating member (37) of the brake cylinder (1) against spring force via a parking brake piston (57) which can be loaded p |
| 5016179 |
Drive slip regulator for motor vehicles |
May 14, 1991 |
| The drive slip regulator with which the slip of the driven wheels of a vehicle is limited to a fixed, predetermined value, forms a signal for the reference velocity v.sub.Ref from the mean value of the wheel velocities of the two non-driven wheels less a corrective value which takes into |
| 4971179 |
Brake device for rail vehicles or trains |
November 20, 1990 |
| The braking device has several groups of brakes (22 to 25), which can be applied separately by a control device (35) and each of which has at least one friction brake (16 to 19). The control device (35) controls the application of the groups of brakes (22 25) depending on their wear |
| 4869557 |
Driver brake valve |
September 26, 1989 |
| Driver brake valve for operating compressed air brakes of rail vehicles. An electropneumatic converter is used to generate a servopressure. The servopressure actuates a relay valve for pressurizing a main air line. An electronic regulation circuit receives a plurality of electrical contr |
| 4801179 |
Load-dependent brake pressure control device for pneumatic brakes of rail vehicles |
January 31, 1989 |
| The control device has a key valve (7) with a differential piston (13) and a scanning arm (18) that can be moved by it. The differential piston (13) is charged on its smaller surface (12) by a first brake pressure emitted by the brake control valve (2), and on its larger surface (14) by |
| 4795005 |
Combined service and spring-loaded brake cylinder |
January 3, 1989 |
| The combined service and spring-loaded brake cylinder has a service brake piston (11) and a tension piston (16) assigned to a storage spring (17). Between the tension piston, a wear stroke readjusting device with non-self-locking threading (44) is arranged. The threaded spindle (29) of |
| 4724741 |
Hydraulic spring-loader cylinder with wear adjustment |
February 16, 1988 |
| Spring-loaded cylinder with a tension piston (7) which can be pressurized by a pressure medium. Between the tension piston (7) and a piston rod (3) movable thereby, a cylinder-piston arrangement (19, 20, 21) is installed, whose cylinder chamber (21) can be pressurized from the pressuriza |
| 4706786 |
Brake linkage for vehicle brakes |
November 17, 1987 |
| The pull- or push rod of a brake linkage, preferably in the form of a brake clamp, features a double spindle (21) whose oppositely directed threaded ends (20) are screwed into nuts (14) which have a self-locking thread and are hinged to brake levers (4). A flat spiral spring (23) continu |
| 4682823 |
Electrically controlled brake for vehicles, especially rail vehicles |
July 28, 1987 |
| The electrically controllable brake, preferably pressure actuated brake for vehicles has a control device (13) which, controlled by a brake demand signal, monitors the release of an appropriate braking power or a corresponding braking pressure. For the vehicle load dependent limitation |
| 4650040 |
Block brake for rail vehicles |
March 17, 1987 |
| In a block brake with brake block regulator, which maintains the brake block shoe (6) in a predetermined rotational position about its rotational axis (5) through friction blocks (20) and friction surfaces (14), the friction surfaces (14) are in the form of wedge surfaces, such that, upo |
| 4645271 |
Parking brake control system |
February 24, 1987 |
| A parking brake control device has a differential area shuttle valve which has an outlet connected to a brake actuator and a larger area of a poppet directed to an inlet connected to a control valve for applying a parking brake pressure and a smaller area of the poppet facing a second in |
| 4640390 |
Brake lining carrier for disk brakes having divided lining elements |
February 3, 1987 |
| A brake lining carrier particularly for disk brakes having divided lining elements has a base plate on which is positioned an intermediate plate to support a carrier plate upon which is attached the friction lining. The intermediate plate has a number of indentations which form bulges. B |
| 4638892 |
Link joint between a brake cylinder and a brake linkage |
January 27, 1987 |
| The link joint between a brake cylinder (1) and a brake linkage has a bearing lug (4) attached to a brake cylinder part (2,3). For a pivoting connection between the two, an annular turning surface bearing (14,18) is provided for. The bearing lug (4) is pierced by screw bolts (23) with |
| 4638891 |
Shaft braking disc for rail vehicle disc brake |
January 27, 1987 |
| Shaft braking disc with a unitary, ventilated friction ring (3), provided with ventilation ribs (4) some of which have radially inwardly extending support spokes (2) terminating in a hub (1) and having a cross section area which gradually diminishes in the radially inward direction. Atta |
| 4607729 |
Brake unit for rail vehicles |
August 26, 1986 |
| The block brake unit for rail vehicles has a service brake which includes a transmission lever which is pivoted by a brake piston to shift an actuating rod coupled with a brake block carrier. A parking brake includes a spring-loaded cylinder which is coupled by a pivotable parking brake |
| 4589705 |
Release device for multiple release compressed air brakes of railborne vehicles |
May 20, 1986 |
| The release device for multiple release compressed air brakes of railborne vehicles comprises a pressure reduction valve (12) which responds in the case of rapid brake applications and optionally of full brake applications, which in order to facilitate the brake release procedure and |
