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Westinghouse Air Brake Technologies Corporation Patents
Assignee:
Westinghouse Air Brake Technologies Corporation
Address:
Wilmerding, PA
No. of patents:
119
Patents:


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Patent Number Title Of Patent Date Issued
7324894 Attitude detection method and apparatus for initial motion control January 29, 2008
An apparatus and method for measuring a directional attitude of a driven load in respect to a level plane is employed to adjust initial driving power requirements in order to overcome the effects of such attitude. The apparatus employs a sensor for measuring the attitude, a processor for
7320496 Sealing arrangement for a transit vehicle January 22, 2008
A sealing arrangement for a door of a transit vehicle with an angularly disposed floor portion incorporates a rotatably disposed driving member in combination with a driven member attached to the sealing arrangement to enable vertical movement thereof for providing a weather seal when th
7306294 Apparatus and method for pneumatically controlled graduated brake pressure release for freight t December 11, 2007
A release graduating valve for freight brake control is provided for a railcar having a pneumatic control valve, emergency and auxiliary reservoirs each normally charged with pressurized fluid from a brake pipe and a fluid pressure activated brake cylinder device for applying the bra
7143546 Sealing arrangement for a transit vehicle December 5, 2006
A sealing arrangement for a door of a transit vehicle with an angularly disposed floor portion incorporates a rotatably disposed driving member in combination with a driven member attached to the sealing arrangement to enable vertical movement thereof for providing a weather seal when th
7133796 Smart resolution valve pressure control November 7, 2006
The Smart Resolution Valve Pressure Control System allows any pressure control system using valve state pulsing to modify airflow at an optimum and consistent range of operation thereby enhancing control accuracy and increasing the useable cycle life of any valve combination used.
7040715 Digital multi-point electronic load weigh system May 9, 2006
A digital multi-point electronic load weigh system is used with a railcar truck control unit to provide a digital all electrical/electronic system, which will perform the brake load weigh function for an electro-pneumatic brake system. The digital multi-point electronic load weigh system
7036570 Multiple row heat exchanger using "end-to-end" or "tube touching" positioning of the tubes for r May 2, 2006
A method of increasing thermal efficiency around a plurality of tubes in a heat exchanger. The method includes the steps of providing a plurality of tubes having a predetermined end configuration and a header having a number of openings corresponding to the plurality of tube. The opening
7021430 Release hold mechanism for a hand brake having a quick release mechanism April 4, 2006
A hand brake mechanism having a release hold mechanism to prevent unwanted application of the railcar brakes. The release hold mechanism includes a cam and a holding pawl having cooperating force members and a detent retaining device engaging the cam disposed within the railcar hand brak
7014690 Expandable desiccant element March 21, 2006
An expandable desiccant element for removal of moisture from an air stream. Such expandable desiccant element includes at least one first expandable containment section capable of expanding a first predetermined amount, at least one second expandable containment section capable of ex
7014275 Automatic application hand brake applied sensor March 21, 2006
In a hand brake control system for a hand brake on a railway vehicle, a sensor detects if a spool in a fluid pressure force regulating valve of the hand brake control system is in a first position to ensure that such hand brake has been applied after an apply-hand-brake procedure has bee
7011190 Hand brake assembly for an ankle motion III truck bogie March 14, 2006
The present invention provides an improved TMX.RTM truck mounted brake assembly for applying a brake shoe force to a railway car wheels by interfacing with an axle motion III bogie. The improvement comprises a rack and pinion type hand brake mechanism integrally mounted on at least o
7004516 Lock latch mechanism for transit vehicle door system February 28, 2006
A lock latch mechanism disposed within a powered locking device of a transit vehicle door system for maintaining a lock lever in an unlock position without the aid of the lock actuator. The lock latch mechanism includes a lock latch lever biased for engagement with an unlock cam thro
7003879 Staggered rows in a CT or serpentine fin core with a round tube to header joint February 28, 2006
The present invention provides a method of at least one of increasing airflow around a plurality of tubes in a heat exchanger, and increasing the web in a header around such plurality of tubes, wherein the method includes the steps of providing a predetermined plurality of tubes having
6991236 Device for securing a sealing member in a predetermined position January 31, 2006
A device for securing a sealing member in a predetermined position. The device comprises a positioning element of a predetermined size and shape having a first surface and a second surface, and a retaining element of a predetermined size and shape disposed on at least one of the first
6981599 High capacity shear mechanism January 3, 2006
An emergency release mechanism for a railway drawbar, which reduces stress in two piece machine bolts inserts in emergency release mechanisms, includes a two sided threaded stud which screws into a release rail using one of the threaded stud ends, passes through a drawbar body, and is
6971488 Simplified truck mounted brake system December 6, 2005
A brake rigging comprising first and second brake beams. A brake shoe assembly including a brake shoe adjacent each end of brake beams. A first force transfer mechanism connected intermediate first and second ends thereof to the first brake beam for moving a brake shoe into engagement
6971319 Friction wedge with mechanical bonding matrix augmented composition liner material December 6, 2005
A friction wedge assembly for use in a suspension system of railroad car trucks. The friction wedge assembly comprises a cast metal wedge having a bolster engaging surface, a truck side frame engaging surface and a surface disposed between the bolster engaging surface and the truck side
6964457 Method and apparatus for controlling electro-pneumatic braking on a train November 15, 2005
Method and apparatus for controlling braking on a train having ECP railcars using a conventional automatic brake valve. The locomotive and railcars are connected to brake pipe and a wireline, or use RF communications. A brake handle or other brake control valve interface is operated to c
6963040 Illuminated touch switch November 8, 2005
An illuminated touch switch has a touch sensitive area and a plurality of light emitting diodes arranged in a predetermined pattern. The touch switch includes a first rigid circuit board with a first electrical conductor and a second flexible circuit board with a second electrical co
6959233 Automated voice transmission of movement authorities in railroad non-signaled territory October 25, 2005
A method and system to authorize a locomotive engineer to move a train along the track in a non-signaled territory wherein a non-verbal movement authority is generated, converted to verbal form via voice synthesis, communicating to the designated train, and accepted or rejected by a
6948765 Lock mechanism for a rotary door operator September 27, 2005
A lock mechanism for a rotary door operator of a transit vehicle includes a lock member pivotally connected to a block cylinder and pivotally connected to a mounting bracket. Such lock member is rotatable in a locking direction to a predetermined position under a block member connect
6938786 Slackless drawbar assembly using an improved ball and race connection assembly September 6, 2005
An improved ball and race connection assembly for use in connecting together adjacently disposed ends of railway vehicles is provided. This ball and race connection assembly is particularly useful as a connection member in slackless type drawbar assemblies. The improved ball and race
6938739 Brake head positioner September 6, 2005
A brake head positioning means for railcar braking systems. The brake head positioning means is comprised of an attachment means that is engageable with a railcar hanger arm for attaching such brake head positioning means to such railcar hanger arm. An extension means that is engageable
6923331 High capacity draft gear August 2, 2005
A friction-type draft gear assembly includes a housing having an open front and closed rear portions. A compressible cushioning element is positioned within the rear portion with a seating arrangement abutting one end thereof adjacent the open front portion. A friction cushioning element
6902042 Automatic application hand brake winding mechanism June 7, 2005
An automatic application hand brake mechanism is provided for automatically applying at least one brake member secured to a railway vehicle with the hand brake assembly. The mechanism comprises an operating member having at least one ratchet engageable with at least one gear of the hand
6901341 Smart resolution valve pressure control May 31, 2005
The Smart Resolution Valve Pressure Control System allows any pressure control system using valve state pulsing to modify airflow at an optimum and consistent range of operation thereby enhancing control accuracy and increasing the useable cycle life of any valve combination used.
6883315 Inlet manifold temperature control system for an internal combustion engine April 26, 2005
The turbocharged exit air from a turbocharger flows through an intercooler, and then into an air intake manifold of a diesel engine. The intercooler exchanges heat with a liquid coolant in the intercooler when the coolant is cooler than the charge air, and substantially does not exchange
6854570 Brake cylinder parking brake system February 15, 2005
An automatic parking brake for a rail vehicle can lock the rail vehicle brakes in an applied position, such as by blocking the brake cylinder piston push rod from moving from an applied position to a release position. A control mechanism can be provided to remotely operate the automa
6848754 Automatic application hand brake February 1, 2005
An apparatus engageable with a hand brake assembly for automatically applying at least one brake device secured to a railway vehicle with such hand brake assembly. The apparatus includes an operating mechanism having at least a portion thereof engageable with at least one gear of a gear
6847869 Software based brake shoe wear determination January 25, 2005
By calculating energy used by friction brake equipment, the amount of friction brake shoe/pad wear is monitored. As amount of energy supplied reaches a percentage of the friction brake shoe/pad energy design limit, and indication for inspection is provided. If the supplied friction energ
6840510 Locomotive brake valve equipped with a range spring dampener January 11, 2005
In combination with a railway locomotive brake valve which has an exhaust valve assembly, a spring housing and a range spring, there is a device for providing enhanced damping capabilities. The device minimizes spring oscillation during operation of the locomotive brake valve.
6820944 Digital multi-point electronic load weigh system November 23, 2004
A digital multi-point electronic load weigh system is used with a railcar truck control unit to provide a digital all electrical/electronic system, which will perform the brake load weigh function for an electro-pneumatic brake system. The digital multi-point electronic load weigh system
6815956 Automatic hi-pot, megohmeter and continuity, circuit tester November 9, 2004
Provided is an apparatus and method used to perform automatic high potential (hi-pot), megohmeter and continuity, circuit test which includes a power source connected to a central processing unit (cpu) having a floppy drive, a hard drive, an analog to digital (A/D) printed circuit bo
6799393 Double trolley overhead door operator October 5, 2004
A door operator having a door hanger comprising a pair of double trolley assemblies disposed for linear movement within a hanger rail, wherein each trolley assembly further comprises two rollers mounted substantially opposite one another and engaging roller cavities within said hanger ra
6799132 Smart resolution valve pressure control September 28, 2004
The Smart Resolution Valve Pressure Control System allows any pressure control system using valve state pulsing to modify airflow at an optimum and consistent range of operation thereby enhancing control accuracy and increasing the useable cycle life of any valve combination used.
6793146 Battery powered humidity indicator September 21, 2004
The present invention provides an apparatus that is used to measure relative humidity, such apparatus comprises a housing having a first end and a second end. There is a humidity sensor disposed at the first end of the housing for measuring the humidity in the air and a temperature senso
6789855 Automatic set and release hand brake September 14, 2004
An automatic application hand brake apparatus is provided for automatically applying at least one brake member secured to a railway vehicle with the hand brake assembly. The apparatus comprises an operating member having at least one ratchet attached to a drive shaft of said hand brake a
6776268 Unitized railcar brake equipment August 17, 2004
A unitized railcar brake equipment can have a relatively small, integrated air supply and can be controlled electronically. The equipment can have a brake cylinder portion and a control valve portion. The brake cylinder portion can have a brake cylinder housing a piston head with a rod e
6769519 Flange lubricator attachment to a composite brake shoe August 3, 2004
A device for lubricating a flange portion of a railroad wheel attachable to a composition brake shoe. The device comprises at least one lubricating member formed from a polymer based compound selected from the group consisting of phenolic resins, epoxy resins, polyamides, polytetrafl
6763768 Ramp latching mechanism July 20, 2004
A latching mechanism for use with a raisable and lowerable folding ramp having a bridge section and a toe section, such ramp being carried on one end of a railway car. The latching mechanism comprises an arm-like member pivotally connected at one end thereof to a predetermined structure
6752378 Valve assembly with integral seat June 22, 2004
A valve seat apparatus comprised of a plastic material of sufficient mechanical rigidity for stable attachment to a stem assembly and acts as a carrier to transmit an actuating force within a valve body while possessing the resiliency required to provide a sealing surface and combine
6746637 Process for making chemical resistant pump diaphragm June 8, 2004
A method for making an injection molded multilayer polymer pump diaphragm having one side resistant to chemicals. The method can include injecting molten polymer material of a first type having chemical resistance properties into a first pump diaphragm mold cavity to produce a first pump
6739675 Brake effort monitor May 25, 2004
A brake effort monitor for railcar braking systems includes means connected to receive a brake effort request signal and a vehicle speed signal for generating an energy requested signal. Another device is connected to receive a brake effort actual signal and a vehicle speed signal for
6739092 Transit vehicle door operator and lock May 25, 2004
A door lock for at least one door panel mounted on a door operator attached to a transit vehicle. Such door operator includes a door drive. The door lock having a lock shaft mounted on the operator of such door panel. The lock shaft is oriented in a direction disposed substantially paral
6736071 Rail cars for intermodal train May 18, 2004
An integral intermodal train is provided for carrying standard over-the-highway semi-trailers. The intermodal train can include a standard locomotive pulling one or more train segments. Each segment can have a plurality of platforms and may be loaded or unloaded independently of any
6718886 Ramp car April 13, 2004
A ramp car rail vehicle can have a contoured deck portion to reduce the height above the rails of the deck at the ramp end of the car such that a smaller, shorter ramp can be utilized for loading freight, such as semi-trailers, onto the ramp car and any other rail cars which may be c
6718694 Drive nut assembly for a door operator April 13, 2004
The present invention teaches a powered door operator for passenger transit vehicles having a drive nut assembly engaging a door hanger bracket substantially connected to a door disposed within an aperture of the vehicle structure. Such drive nut further engaging a drive screw to move a
6712408 Swing cover door prop device for an electric coupler used on a passenger transit vehicle March 30, 2004
A swing door cover prop device for an electric coupler used on passenger transit vehicle for providing a mechanism to prop open a bottom mount style swing cover disposed adjacent the bottom of such electric coupler. Such swing door cover prop device includes an elongated door prop member
6709068 Automatic set and release hand brake pneumatic circuit design II/automatic application function March 23, 2004
An apparatus comprising an operating mechanism having at least a portion thereof engageable with at least one gear of a gear assembly disposed in a housing member of a hand brake assembly for operating such gear assembly. A source of fluid pressure is connected to the operating mechanism
6708951 Annular sealing device having a positive stop means for use in a valve member March 23, 2004
An annular sealing device having a positive stop to prevent over pressurization on the sealing device. The annular sealing device includes a substantially rigid support member having at least one substantially flat outer surface portion. There is a generally round cavity formed in th
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