| Patent Number |
Title Of Patent |
Date Issued |
| RE30208 |
Disc brake for railway vehicles |
February 12, 1980 |
| In a railway vehicle having two brake discs on the axle of a wheel and axle assembly a disc brake comprises brake shoes on opposite faces of each brake disc and the brake shoes being suspended from the bogie frame. For each brake disc there is a pair of brake levers pivotally connected b |
| 4745996 |
Brake ring for brake disks, especially of disk brakes for rail vehicles |
May 24, 1988 |
| A brake ring for brake disks, especially disk brakes for rail vehicles, consisting of two annular bodies (2, 3) arranged adjacently at a distance from each other, having stud bolts (7) bridging the distance and rigidly connected with the annular bodies (2, 3). These stud bolts are so |
| 4592598 |
Pulsating brake accelerator for rail vehicle air brake |
June 3, 1986 |
| A pulsating brake accelerating device for an indirectly operating air brake for rail vehicles has a pulsator (12), which is attached to the brake pipe (BP) via a jet (23). The pulsator (12) forms a mixed pressure from two pressures. One of the pressures is formed by the pressure of the b |
| 4592597 |
Hydraulic brake for vehicles |
June 3, 1986 |
| Hydraulic vehicle brake comprising a hydraulic accumulator (1), a brake valve adjustment device (4) supplied thereby, and a brake pressure line section (7) to the brake cylinders attached to the latter via an emergency brake valve (6). In the emergency braking position of the emergency b |
| 4592451 |
Brake linkage for vehicle friction brakes |
June 3, 1986 |
| Brake linkage for vehicle friction brakes is actuated by a brake power motor (6) and comprises a vent play regulator (10) having an adjustment element driven by an auxiliary motor (14). At the start of braking, the auxiliary motor (14) is actuated in advance of the brake power motor (6), |
| 4586756 |
Brake control valve system for rail vehicle air brake |
May 6, 1986 |
| Brake control valve system for rail vehicle air brake, comprising an emergency brake piston (7) having a first piston chamber (9) loaded by the quick action chamber with a much greater volume than its second piston chamber (8) loaded by the brake line. The effective pressure surfaces of |
| 4575158 |
Brake control valve device for an air pressure brake system of a railway vehicle |
March 11, 1986 |
| The present invention discloses a maximum pressure control device for the brake cylinder pressure that is to be supplied to a brake cylinder and this device can consist of two separate pressure control devices or be constructed as a unified, reversible pressure control device. The se |
| 4573553 |
Disc brake |
March 4, 1986 |
| Disc brake for rail vehicles having a brake clamp (7) located in one plane and having two brake levers (4) having their central portions connected by a pull rod (5). The latter is formed with a rotatable threaded spindle (9) as a stay, which spindle is rotatable from the brake cylinder ( |
| 4561700 |
Selector valve for a pressure control device in a railway vehicle air brake system |
December 31, 1985 |
| A pressure control valve for the compressed air brakes of a railway vehicle includes a triple pressure control valve with a constant pressure chamber, a selector valve and a selector reservoir. Upon the occurrence of pressure reductions in the main brake line for service braking, the sel |
| 4552411 |
Pulsating brake accelerator for rail vehicle air brake |
November 12, 1985 |
| A pulsating brake accelerating device for an indirectly operating air brake for rail vehicles has a pulsator (12), which is attached to the brake pipe (BP) via a jet (23). The pulsator (12) forms a mixed pressure from two pressures. One of the pressures is formed by the pressure of the b |
| 4538228 |
Hydraulic pressure actuated brake system for rail vehicles |
August 27, 1985 |
| In a brake system the actuator pressure is controlled using a closed loop feedback system where, a system pressure, indicated by a pressure transducer is compared with a predetermined reference value. During the individual control routines, pressures corresponding operation times of |
| 4536040 |
Service brake accelerator for indirect compressed-air brakes on railway vehicles |
August 20, 1985 |
| A service brake accelerator for indirect compressed-air brakes on railway vehicles includes a control piston which is loaded by the pressure in the main airpipe against the pressure in a reference pressure chamber and which controls a shutoff valve between the main airpipe and a piston |
| 4535874 |
Carrier for brake linings for disk brakes having divided lining elements |
August 20, 1985 |
| A brake lining carrier has a base plate one side of which can be detachably mounted on a brake lining support member and on the other side thereof is a layer of resilient material upon which are positioned a plurality of brake lining elements disposed to define a friction braking surface |
| 4533185 |
Control system for electro-pneumatic compressed air brakes for rail vehicles |
August 6, 1985 |
| Control system for electro-pneumatic compressed air brakes for rail vehicles with a servo valve (1) for control of a pilot pressure and for actuation of electrical contacts (40, 41) operable over a coupling (4) such that, at the beginning of an adjustment of the servo valve in the br |
| 4493401 |
Automatic brake resetting device |
January 15, 1985 |
| An automatic brake resetting device for railway vehicle brakes has two telescopingly displaceable rod members which transmit a braking force. A rotatable coupling element having a threaded shaft with a non-self-locking thread is connected to one of the rod members and a rotary coupling |
| 4480875 |
Accelerator for control valves, especially for triple pressure control valves in pneumatic brake |
November 6, 1984 |
| An accelerator for control valves, particularly for triple pressure control valves (3) of pneumatic brake systems of rail vehicles, having a pick-up accelerator (30) and a transfer chamber (40) as well as a service brake accelerator (52), the service brake accelerator (52) having a refer |
| 4480722 |
Suspension arrangement of movable parts, especially of disk brakes of rail vehicles |
November 6, 1984 |
| Suspension arrangement for actuation and abrasion dependent movable parts, especially brake pad holders (1) and non-rigid brake saddles, particularly of rail vehicle disk brakes having an abrasion compensation device, comprises a suspension bracket (7) which, on the one hand, is rigidly |
| 4474009 |
Control apparatus for an air throttle valve in the intake manifold of an internal combustion eng |
October 2, 1984 |
| The invention discloses an apparatus for adjusting or actuating an air throttle valve positioned in the intake manifold of an internal combustion engine which is supplied by air under pressure. The air throttle valve is held in a closed position by a spring when the engine is in the cold |
| 4472995 |
Spring-loaded brake cylinder |
September 25, 1984 |
| A spring-loaded brake cylinder has a slideable braking piston one side of which is acted upon by a first spring in the braking direction and a second side acted upon by air under pressure in the release direction against the force of the spring. There is a releaseable mechanical coup |
| 4466066 |
Anti-locking brake force regulating device |
August 14, 1984 |
| An anti-locking brake force regulating device for rail vehicles has a digital evaluation circuit which monitors the speed, acceleration and slip of at least one braked wheel and transmits braking instructions to a brake actuating element. The instructions include a rapid or slow increase |
| 4463991 |
Release valve apparatus for indirect air brakes of rail vehicles |
August 7, 1984 |
| Release valve apparatus capable of being actuated by the vacuum that can be created in a main air line (1) for indirect air brakes of rail vehicles, comprising a release valve (12) in a connection (pipes 8, 9) from the brake control valve (3) to the brake cylinder (10). The release valve |
| 4451889 |
Anti-lock device for regulating the brake pressure of vehicle brakes |
May 29, 1984 |
| An anti-lock device for the brakes of vehicles, particularly rail vehicles, regulates the applied braking force. An evaluation circuit monitors the speed, acceleration and slip of at least one braked wheel and in response to the rotational behavior of the wheel generates instructions for |
| 4449759 |
Service brake accelerator for rail vehicle air brake systems |
May 22, 1984 |
| A service brake accelerator having a line chamber (3) connected to the main air supply line (1) and a reference pressure chamber (6) connected to the line chamber via a nozzle (7). The line chamber is separated from the reference pressure chamber by a diaphragm piston (5) which is biased |
| 4431089 |
Automatic slack adjusting device of brake linkage |
February 14, 1984 |
| The device automatically adjusts the slack in the brake linkage of railway vehicle during the braking process and has two telescoping rod members one of which is connected with a brake motor and the other is connected to the brake linkage. A nut, nonrotateably mounted on the brake linkag |
| 4414952 |
Actuator for an air valve placed in the boost air duct of an IC engine |
November 15, 1983 |
| An actuator for an air valve placed in the boost air duct of an IC engine and, more specially, of such an engine supercharged or boosted by a pressure wave supercharger, the air valve being in its closed position on starting up the IC engine from cold, at which time the engine takes in |
| 4402388 |
Adjustable broke rigging for rail vehicles |
September 6, 1983 |
| A braking apparatus for rail vehicles has a brake actuating unit to one side of the vehicle wheel. A pair of brake shoes oppositely disposed on both sides of the wheel can be pressed against the contact surface of the wheel. A first vertical braking lever is pivotable under a force from |
| 4385548 |
Brake unit having a slack adjuster |
May 31, 1983 |
| A brake unit for automatically adjusting slack between the brake surfaces of a railway brake has a pre-stressed spring which is released during the initial stroke of the brake piston in a braking application so as to expedite contact of the brake surfaces. After slack has been overcome, |
| 4354584 |
Transmission-clutch operating system |
October 19, 1982 |
| A transmission shiftable to change transmission ratios by the operation of a member whose effectiveness depends upon a pressure fluid, e.g. through a valve communicating the fluid to actuators of the gear-change system, has a clutch connecting the output shaft of a prime mover as an |
| 4325573 |
Device for regulating discharge of sand from a vehicle sander |
April 20, 1982 |
| A sanding apparatus for a vehicle, particularly rail vehicles, has a sealed container for sand and the container is provided with a bottom wall which is permeable by air. A sand discharge pipe extends from the container through the bottom wall and has an end position in front of a vehicl |
| 4298184 |
Valve seal for a pressure medium controlling valve |
November 3, 1981 |
| A pressure medium controlling valve has a valve member with an annular groove being formed in the surface of the valve member directed toward a valve seat. A resilient sealing ring is disposed within the annular groove and is opposed from the valve seat. The side of the annular groove fa |
| 4281745 |
Brake disk for disk brakes on a rail vehicle |
August 4, 1981 |
| A brake disk for a disk brake mounted on either the axle or wheel of a rail vehicle has on its inner peripheral portion a flange ring provided with parallel annular surfaces which are inclined to a central plane of the disk brake. These inclined surfaces are clamped between an inclined |
| 4280598 |
Brake disk |
July 28, 1981 |
| A brake disk particularly for railway vehicles has a brake disk annular element mounted on a hub by at least three radially extending adaptor sleeves seated in radially opposed bores in the hub and annular element. A conical member within an end portion of the adaptor sleeve can be moved |
| 4280597 |
Brake disc for railway vehicles |
July 28, 1981 |
| A brake disc for an axle of a railway vehicle comprises a friction disc annular element mounted concentrically on a hub by a plurality of clamping sleeves or bolts seated in radially opposed bores in the hub and annular element. A pretensioned resilient retaining member exerts a radially |
| 4280398 |
Rapid release mechanism for a spring-loaded brake cylinder |
July 28, 1981 |
| A spring-loaded braking cylinder has a rapid release mechanism which disengageably connects the spring-loaded piston with the piston rod. A damping mechanism damps the relative movement between the piston and the piston rod which occurs upon release of the coupling between the spring |
| 4271936 |
Closure for retaining an insertable brake lining in a brake lining holder for disk brakes |
June 9, 1981 |
| A brake lining support member for disk brakes for railway vehicles and the like has an insertable brake lining retained in position by a locking bar at least one end of which is secured by a U-shaped spring clip having parallel legs one of which is mounted in a bracket on the brake linin |
| 4265492 |
Braking apparatus for vehicles |
May 5, 1981 |
| A braking apparatus for vehicles has a switching device which controls the admission of pressure fluid to the braking cylinder of a service brake and is operated by a reaction force acting upon a coupling or bearing support between the switching device and a lever operatively connected t |
| 4265489 |
Electropneumatic brake for rail vehicles |
May 5, 1981 |
| In an electropneumatic brake a relay valve is connected between a source of pressure fluid and a brake cylinder which may be spring-loaded or direct acting in order to regulate the pressure in the brake cylinder. An emergency brake valve is connected to a means for producing a brake sign |
| 4253480 |
Pressure regulator for fluid pressures |
March 3, 1981 |
| A pressure regulator has at least one solenoid valve operated by electrical signals connected to a container the actual pressure of which is indicated by a pressure electric transducer. A comparator generates a regulation signal which is the difference between the actual pressure and a c |
| 4234062 |
Mechanical release mechanism for a spring-loaded brake cylinder |
November 18, 1980 |
| A brake cylinder has a piston one side of which is spring-loaded and the other side of which is acted upon by a fluid pressure medium. A spindle shaft is coupled t the cylinder by a screw coupling having a non-self-locking thread and is engageable with an actuating rod which is adapt |
| 4226482 |
Brake accelerator for a fluid pressure brake system |
October 7, 1980 |
| A brake accelerator is operable sequentially upon each successive braking stage over the service application range of brake line pressure reductions and is employed with a single release brake control valve of an indirectly acting compressed air brake for railway vehicles. The control va |
| 4226481 |
Spring-loaded brake device for railway vehicles |
October 7, 1980 |
| A spring-loaded brake device particularly for railway vehicles has a brake valve to control the pressure in a brake line and spring-loaded brake cylinders that can be subjected to the action of pressure in the brake line against the force of a loading spring. At least one venting valve i |
| 4226168 |
Spring-loaded brake cylinder |
October 7, 1980 |
| A spring-loaded brake cylinder particularly for the air brake system of a railway vehicle has a piston slidable within a housing and a threaded shaft and nut assembly between the piston and a piston rod. The nut is carried upon a non-self-locking thread on the threaded shaft and either |
| 4191430 |
Anti-lock device for railway vehicles |
March 4, 1980 |
| A signal corresponding to the difference between wheel and vehicle speeds is generated when this difference exceeds a first predetermined value and this difference signal is stopped when the difference decreases below a second predetermined value. The difference signal is integrated line |
| 4188072 |
Brake accelerator device for an air brake system of a railway vehicle |
February 12, 1980 |
| A brake control device has a selective release accelerator which responds only to a normal release subsequent to an increase of brake line pressure initiated by the operator's brake valve. A first piston has one side subjected to air line pressure and the other side subjected to pressure |
| 4165136 |
Control system of a railway vehicle air braking system |
August 21, 1979 |
| A condition-responsive or safety switch regulates the energizing of a first relay having two contacts that are open when non-energized. The first contact is connected to a contact switch of a differential pressure switch and regulates an energizing circuit for a second relay through a ho |
| 4158369 |
Hold-back valve for single release air brakes |
June 19, 1979 |
| A hold-back valve for single release air brakes includes a plug valve member in a chamber of a valve body and rotatable between at least two positions to establish paths of different resistance to flow between air inlet and outlet passages in the valve body. The plug has spherical ce |
| 4146143 |
Automatic coupler for railway vehicles |
March 27, 1979 |
| An automatic coupler of the Janney-type has a guide horn rigidly connected to the coupling head below the knuckle and extends forwardly and laterally with respect to the knuckle. The guide horn is shaped to have on its upper face a plurality of guide and support surfaces. A second plural |
| 4139239 |
Brake accelerator for a fluid-pressure brake system having a brake control valve |
February 13, 1979 |
| A brake accelerator has a control chamber connected through a throttle orifice to a brake line. The brake system includes a control valve in which is an emergency brake piston one side of which is subjected to brake line pressure and the other side of which is subjected to pressure in th |
| 4135768 |
Accelerator device for control valve of an air brake system for a railway vehicle |
January 23, 1979 |
| An accelerator device for a three-pressure control valve of an air brake system on a railway vehicle has a control piston one side of which is subjected to air line pressure and the other side to pressure in a control chamber such that when the pressure in the control chamber predominate |
| 4120385 |
Locking device for a mechanical antiskid regulator |
October 17, 1978 |
| A mechanical antiskid regulator has a flywheel mass which is journalled for rotary movement independent of the axle and wheel and is provided with a cam received in a recess of a cam disc coupled to rotate with the wheel on the axle. Two locking elements are pivotally connected to a ring |
