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| Number | Title | Issue Date |
| 7324894 | Attitude detection method and apparatus for initial motion control 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 att... | 01/29/2008 |
| 7320496 | Sealing arrangement for a transit vehicle 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 ... | 01/22/2008 |
| 7306294 | Apparatus and method for pneumatically controlled graduated brake pressure release for freight train brake system 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 fo... | 12/11/2007 |
| 7143546 | Sealing arrangement for a transit vehicle 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 ... | 12/05/2006 |
| 7133796 | Smart resolution valve pressure control 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 co... | 11/07/2006 |
| 7040715 | Digital multi-point electronic load weigh system 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 electr... | 05/09/2006 |
| 7036570 | Multiple row heat exchanger using “end-to-end” or “tube touching” positioning of the tubes for row spacing 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 pluralit... | 05/02/2006 |
| 7021430 | Release hold mechanism for a hand brake having a quick release mechanism 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... | 04/04/2006 |
| 7014275 | Automatic application hand brake applied sensor 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-b... | 03/21/2006 |
| 7014690 | Expandable desiccant element 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 sec... | 03/21/2006 |
| 7011190 | Hand brake assembly for an ankle motion III truck bogie 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 mou... | 03/14/2006 |
| 7004516 | Lock latch mechanism for transit vehicle door system 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 ... | 02/28/2006 |
| 7003879 | Staggered rows in a CT or serpentine fin core with a round tube to header joint 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 plura... | 02/28/2006 |
| 6991236 | Device for securing a sealing member in a predetermined position 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 lea... | 01/31/2006 |
| 6981599 | High capacity shear mechanism 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 d... | 01/03/2006 |
| 6971488 | Simplified truck mounted brake system 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 s... | 12/06/2005 |
| 6971319 | Friction wedge with mechanical bonding matrix augmented composition liner material 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 surfa... | 12/06/2005 |
| 6964457 | Method and apparatus for controlling electro-pneumatic braking on a train 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 inte... | 11/15/2005 |
| 6963040 | Illuminated touch switch 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 se... | 11/08/2005 |
| 6959233 | Automated voice transmission of movement authorities in railroad non-signaled territory 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... | 10/25/2005 |
| 6948765 | Lock mechanism for a rotary door operator 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 bl... | 09/27/2005 |
| 6938739 | Brake head positioner 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 mea... | 09/06/2005 |
| 6938786 | Slackless drawbar assembly using an improved ball and race connection assembly 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 impr... | 09/06/2005 |
| 6923331 | High capacity draft gear 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 frict... | 08/02/2005 |
| 6902042 | Automatic application hand brake winding mechanism 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... | 06/07/2005 |
| 6901341 | Smart resolution valve pressure control 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 co... | 05/31/2005 |
| 6883315 | Inlet manifold temperature control system for an internal combustion engine 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 substanti... | 04/26/2005 |
| 6854570 | Brake cylinder parking brake system 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 ... | 02/15/2005 |
| 6848754 | Automatic application hand brake 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 lea... | 02/01/2005 |
| 6847869 | Software based brake shoe wear determination 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 s... | 01/25/2005 |
| 6840510 | Locomotive brake valve equipped with a range spring dampener 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 b... | 01/11/2005 |
| 6820944 | Digital multi-point electronic load weigh system 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 electr... | 11/23/2004 |
| 6815956 | Automatic hi-pot, megohmeter and continuity, circuit tester 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) ... | 11/09/2004 |
| 6799393 | Double trolley overhead door operator 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... | 10/05/2004 |
| 6799132 | Smart resolution valve pressure control 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 co... | 09/28/2004 |
| 6793146 | Battery powered humidity indicator 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 a... | 09/21/2004 |
| 6789855 | Automatic set and release hand brake 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 shaf... | 09/14/2004 |
| 6776268 | Unitized railcar brake equipment 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 pi... | 08/17/2004 |
| 6769519 | Flange lubricator attachment to a composite brake shoe 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, polya... | 08/03/2004 |
| 6763768 | Ramp latching mechanism 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 pr... | 07/20/2004 |
