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| Number | Title | Issue Date |
| 6761253 | Spring applied parking brake assembly A spring applied parking brake assembly for a railway vehicle is provided which automatically activates upon removal of a railway car from the pneumatic braking system of the railway vehicle. The spring applied parking brake assembly comprises a casing which is moun... | 07/13/2004 |
| 6631791 | Brake disc wear indicator A brake disc wear indicator comprising a brake disc rotor having two opposed braking surfaces for engaging opposed brake friction pads, and at least one hole provided in the rotor at a location behind a braking surface and at a predetermined depth and dis... | 10/14/2003 |
| 6568711 | Self gapping socket weld fittings The present invention provides a positive gapping device for socket welded fittings. The positive gapping device comprises a socket fitting having a recessed area on at least one end for receiving a pipe section that is engageable with the recessed area o... | 05/27/2003 |
| 6499613 | Coupler with extended emergency release and towing feature A vehicular coupler comprises a head for coupling to an opposed, generally identical coupling head of a vehicle for mechanically connecting two vehicles together. Such coupler includes a beam member for connecting to the underside of one of such vehicles.... | 12/31/2002 |
| 6481722 | Gasket for pressurized fluid system Gasket for sealing between flanges in a pressurized fluid system. A central opening is disposed within an inner periphery of the gasket, the inner periphery being curved toward the central opening. Fluid pressure on the inner periphery is reacted by hoop ... | 11/19/2002 |
| 6474748 | Electronic vent valve An electronic vent valve for an electronically controlled pneumatic (ECP") braking system having a plurality of braking sites at which a braking force can be applied. The ECP braking system includes a master controller processing circuit, individual braki... | 11/05/2002 |
| 6452353 | System for detection of obstructions in a motorized door system Method of detecting obstructions encountered by a motorized door. The method includes providing a signal processor with one or more signals indicative of a predetermined door trajectory profile for at least a segment of a stroke of the door, the door traj... | 09/17/2002 |
| 6378668 | Spring applied parking brake assembly having a manual quick release feature A spring applied parking brake assembly for a railroad vehicle braking system is provided for an automatic application of the parking brake in the absence of an air source. The spring applied parking brake assembly comprises a cylindrical casing containin... | 04/30/2002 |
| 6360998 | Method and apparatus for controlling trains by determining a direction taken by a train through a railroad switch An apparatus for determining the presence of a third rail disposed between parallel railroad tracks as a train progresses along said parallel railroad tracks and further for determining the relative direction of motion of said third rail with respect to s... | 03/26/2002 |
| 6340211 | Dual station air brake control A method of changing between two operator stations in a cab of a locomotive for controlling the brakes of the locomotive and of a train of railway cars connected to the locomotive. The stations each have at least one brake handle and an associated selecto... | 01/22/2002 |
| 6324789 | Encased overhead door operator having threadably attached mounts A door support and drive mechanism for a door can be mounted either over or in a door opening in a transit vehicle or other structure. The mechanism includes a tube which has a longitudinal slot. The mechanism also has mounts attached to the tube for moun... | 12/04/2001 |
| 6321922 | Coupling shock resistant (csr) coupler A shock-resistant coupler for a vehicle includes a substantially hollow draft gear tube and a coupler head. The draft gear tube has an inside surface, and the coupler head has a flexible, substantially hollow shank portion. The shank portion has a distal ... | 11/27/2001 |
| 6305504 | Suspension system for a car mounted brake assembly An improved car mounted brake assembly is provided wherein the brake assembly includes a brake cylinder, a slack adjuster and a pair of brake beams mounted at each end of the car mounted brake assembly and actuated by the brake cylinder via a series of le... | 10/23/2001 |
| 6305313 | Pop-up temperature indicator for use in a 3-CD type air compressor or similar device A temperature indicator for indicating when a specified temperature has been exceeded in a fluid flow through a conduit. Such conduit having an aperture and the temperature indicator being mountable in such aperture and engagable therewith such that the t... | 10/23/2001 |
| 6305756 | Short travel detector for empty/load brake control An empty/load brake control system mountable on a sprung and an unsprung member of a railway car and disposed between the car brake control valve and brake cylinder for adjusting the brake cylinder pressure during a brake application according to the car ... | 10/23/2001 |
| 6302247 | Brake shoe mounting system A brake shoe mounting system for railway vehicles includes a composition type brake shoe having a recessed center portion and two bracket-style backing plates integrally molded into the composition type brake shoe. There is one bracket style backing plate... | 10/16/2001 |
| 6302664 | Oilers rotary scroll air compressor axial loading support for orbiting member An axial load resistant anti-rotation bearing for a rotary scroll compressor is disclosed. The rotary scroll compressor includes stationary and orbiting scroll elements and a drive mechanism for driving the orbiting scroll element in an orbit about the st... | 10/16/2001 |
| 6298878 | Ball cock for railway vehicle The present invention provides a ball cock for a railway vehicle which comprises a main body possessing a primary-side opening and a secondary-side opening which face one another and an air exhaust aperture which is formed between these openings. Such bal... | 10/09/2001 |
| 6298749 | Jointed hand brake release handle A jointed hand brake release handle for a railway car hand brake mechanism, having a lever arm with an inner end attachable to a rotatable hand brake release post of a hand brake mechanism, and an extension arm pivotally attached to the outer end of the l... | 10/09/2001 |
| 6286997 | Temperature indicator for use in a pressurized environment A temperature indicator for providing a visual indication that a pressurized fluid has exceeded a specified temperature. Such pressurized fluid being contained within a container bounded by a container wall. Such container wall being provided with an aper... | 09/11/2001 |
| 6286913 | Limp-in control arrangement for an electro-pneumatic brake control system A limp-in control arrangement for an electro-pneumatic integrated control system for railway vehicles including a supply and exhaust magnet valve for electrically controlling the pneumatic brakes on the railway vehicle, an electromagnetic relay for sensin... | 09/11/2001 |
| 6287085 | Rapid unloader retrofits Retrofit apparatus is provided for rapidly exhausting air pressure from one or more intercoolers connected in fluid communication between two low pressure heads of an air compressor and a high pressure head of the compressor. The retrofit apparatus compri... | 09/11/2001 |
| 6282970 | Locking drive nut for screw drive systems A screw drive mechanism connectable to at least one of a first machine portion and a second machine portion for moving the second machine portion relative to the first machine portion from a first position to a second position. The mechanism has a base fo... | 09/04/2001 |
| 6283725 | Aftercooler bypass means for a locomotive compressed air system Method and apparatus for heating gases cooled by an aftercooler that receives hot gases from a compressor. The method includes the steps of directing at least a portion of said hot gases to means for bypassing the aftercooler, and using the bypass means t... | 09/04/2001 |
| 6279689 | Hydraulic parking brake for a railroad vehicle braking system A hydraulic parking brake assembly for a railroad vehicle braking system is provided for an automatic application of the parking brake in the absence of an air source. The hydraulic parking brake assembly comprises a hydraulic actuator having a hydraulic ... | 08/28/2001 |
| 6276492 | Push rod activated grease nozzle The present invention provides an assembly for dispensing a lubricant. The assembly comprises a housing with a cavity and a nozzle member connected to the housing. The housing further includes a lubricant passage connectable to a source of pressurized lub... | 08/21/2001 |
| 6278376 | Trapped object release system for a transit vehicle door Method of facilitating release of an object caught by one or more closing transit vehicle door(s) in a motorized door system having a two stage lock, the two stage lock having a fully locked position and a pushback lock position. The method includes detec... | 08/21/2001 |
| 6275165 | A.A.R. compliant electronic braking system A system reliably communicates brake commands from a master controller on a lead locomotive to the brake equipment on each rail vehicle of a freight train. The system includes a mechanism for detecting whether the brake commands are being successfully com... | 08/14/2001 |
| 6269916 | Brake cylinder using dual piston assemblies A brake cylinder for use in a railway vehicle braking system is provided. The brake cylinder comprises a cylindrical casing engageable with the railway vehicle braking system, a hollow piston assembly which is mounted for reciprocal movement within the cy... | 08/07/2001 |
| 6249722 | Method of controlling brake pipe pressure An improved method is used to control the pressure in the brake pipe of a train. The train is equipped with an automatic brake handle, an equalizing reservoir, a brake pipe control device and a computer for controlling the control device according to posi... | 06/19/2001 |
| 6247566 | Torque Transmitting device A device for transmitting torque between two rotatable, coaxial shaft members (1, 2) contains a number of alternate clutch discs (5, 6) for counteracting differential rotational speed between the two shaft members. Planetary gear means (11, 15, 16-20) are... | 06/19/2001 |
| 6241058 | Brake shoe with insert bonded to backing plate A composition brake shoe for use on a railway vehicle for reconditioning a wheel tread surface during a normal braking application on such railway vehicle is provided. The composition brake shoe includes a backing plate having a stirrup and a brake surfac... | 06/05/2001 |
| 6241057 | Hydraulic parking brake lever arrangement for a railroad vehicle braking system A hydraulic parking brake assembly for a railroad vehicle braking system comprising a hydraulic actuator capable of being mounted on or engagable with the braking system and a lever arrangement connected to the hydraulic actuator which moves in accordance... | 06/05/2001 |
| 6238012 | Direct manipulating direct-graduated release cap for 26-type control valves A direct acting release cap for air brake control valves in trains which will allow for the manipulation of the valve characteristics from a direct brake release to a graduated brake release without removal of the cap from the body of the valve. This is a... | 05/29/2001 |
| 6237785 | Retainer member for use in railway coupling devices A retainer member for use in either an articulated coupling arrangement and/or a slackless drawbar arrangement for retaining a spherical member in an operating position within a male connection member for connecting together adjacently disposed ends of a ... | 05/29/2001 |
| 6230856 | Rod locking mechanism for compression slack adjuster A locking assembly for preventing accidental let out of a slack adjuster is provided wherein the slack adjuster includes an elongated hollow housing member and an elongated rod member mounted for reciprocal movement within the hollow housing member. At le... | 05/15/2001 |
| 6227521 | Graduated release valve An apparatus incrementally reduces pressure in a first volume in response to an increase in pressure in a second volume. A valve body defines a bore that houses a piston and supply and return passages that communicate with first and second ends of the bor... | 05/08/2001 |
| 6227625 | Two way field tester for EOT device A portable device permits testing of an EOT unit of a two-way end-of-train (EOT) radio telemetry system. During the test, the EOT unit may be mounted to and fully installed on the railcar on which it is to be used. The portable device includes a microproc... | 05/08/2001 |
| 6203285 | Compressor intercooler unloader arrangement Apparatus for rapidly unloading air pressure in an intercooler to atmosphere when a compressor pneumatically connected to the intercooler is unloaded. The apparatus includes a governor pneumatically connected to a reservoir, that, in turn, is connected to... | 03/20/2001 |
| 6203601 | Control valve with axial sealing A two-way control valve arrangement for selectively opening a first passageway to either one of a second passageway and a third passageway, wherein a housing structure is provided having a valve body opening with circular sidewall and a base portion inter... | 03/20/2001 |
