Quotables
"Transmission of documents via telephone wires is possible in principle, but the apparatus required is so expensive that it will never become a practical proposition."
Dennis Gabor, British physicist
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7594682 | Apparatus and method for controlled application of railway friction modifying agent A system and method for controlling an application of a friction modifying agent to an area of contact between a railway wheel and a railway rail over which the wheel is traversing to selectively modify the coefficient of friction at the contact area. A sensor is us... | 09/29/2009 |
| 7575258 | Vehicle salt dispensing system A vehicle salt dispensing system. An illustrative embodiment of the vehicle salt dispensing system includes a pump and supply module adapted to contain a supply of salt, at least one dispensing tube communicating with the pump and supply module and at least one gene... | 08/18/2009 |
| 7290807 | Method and system of limiting the application of sand to a railroad rail A method and computer program product of limiting sand use in a railroad locomotive sanding system applying sand to railroad rails to enhance adhesion of wheels of a railroad locomotive on a track having a pair of railroad rails, the sanding system including a plura... | 11/06/2007 |
| 7285926 | System and method for locomotive adhesion control A traction control system for controlling an electric traction motor drivingly coupled to a wheel of a tractive vehicle. The traction control system includes means for determining speed of the wheel, means for determining tractive effort of the wheel and a control c... | 10/23/2007 |
| 7048000 | Pressure reducing valve A pressure reducing valve includes a housing having a passage therein, a valve body disposed within the passage, and a piston slideably disposed within the passage. The valve body includes a wall arranged transverse to the passage and dividing the passage into an in... | 05/23/2006 |
| 7027900 | Enhanced locomotive adhesion control A method of dynamically controlling traction of a locomotive (V) having a plurality of axles (A1–A6) on each of which are mounted wheels (W) for moving the locomotive over a set of rails (R). A creep control signal (creep_n) is provided to a controll... | 04/11/2006 |
| 6954690 | Vehicle movement stabilizing device A vehicle movement stabilizing device is provided which in effectively functioning braking, acceleration and turning movement during travel of the vehicle by activating the frictional force adding device, reliably controls the start and end of the operation of the f... | 10/11/2005 |
| 6893058 | Railway train friction management and control system and method A system and method for friction management for managing and controlling an application of a friction modifying agent to an area of contact between a railway wheel and a railway rail over which the wheel is traversing to selectively modify the coefficient of frictio... | 05/17/2005 |
| 6629709 | Wheel/rail adhesion enhancement If the wheel/rail adhesion for a railway vehicle is insufficient then the wheels may slip when braking. If slipping is detected, a control system may reduce the brake pressure to permit a controlled level of slip and so to optimize the braking force for t... | 10/07/2003 |
| 6488217 | Anti-hydroplane system for tires An anti-hydroplane system for tires that includes a blower assembly in front of each of the tires of a vehicle. Each blower assembly discharges a high pressure stream into a water dispersal area in front of a respective one of the vehicle tires.... | 12/03/2002 |
| 6371532 | Traction-enhancing system for use with motor vehicles A vehicle-mounted device and method for delivering a traction enhancing material to a road surface directly in front of one or more tires is disclosed. The device delivers the traction enhancing material when an electronic controller detects a loss of tra... | 04/16/2002 |
| 5919295 | Locomotive adhesion enhancing material mixtures The adhesion between a locomotive drive wheel and supporting rail can be substantially increased by application of a powder mixture that contains a hard particle constituent preferably including alumina, a soft particle constituent preferably including ti... | 07/06/1999 |
| 5582441 | Device for applying sand to roads for use in vehicles A sand delivery system for use in automobiles, or other vehicles. The device uses the hollow front bumpers found on most modern vehicles today to store bags of sand, which is delivered through a number of nozzles located in the front of the vehicle. A blo... | 12/10/1996 |
| 5350035 | Antihydroplaning system for a motor vehicle This invention relates to a vehicle comprising an antihydroplaning system, particularly for improving the wheel adhesion despite the presence of a sheet of water on the road. Output signals from sensors for detecting body and chassis vibrations, ambient t... | 09/27/1994 |
| 4944539 | Differential creepage control system for optimizing adhesion of locomotives This invention concerns a creepage control system for locomotives that optimizes adhesion while minimizing wasted energy, rail/wheel wear and shock loading on the drive train. The basis of the invention is to always maintain a small but positive value of ... | 07/31/1990 |
| 4936610 | Differential creepage control system for optimizing adhesion of locomotives This invention concerns a creepage control system for locomotives that optimizes adhesion while minimizing wasted energy, rail/wheel wear and shock loading on the drive train. The basis of the invention is to always maintain a small but positive value of ... | 06/26/1990 |
| 4719861 | Energy management method for a locomotive including single-sided linear induction motors Single-sided linear induction motors (SLIMs) suspended in proximity to the rail of a locomotive are energized to increase the effective adhesion between the locomotive drive wheels and the rail in response to the detection of an operating condition in whi... | 01/19/1988 |
