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| Number | Title | Issue Date |
| RE40735 | Metering device for sand spreading devices, especially for rail vehicles Metering or dosing device for sand spreading apparatuses with a metering piston for sealing off and releasing the throughflow opening for the material to be spread, in which the metering piston and the opposite housing wall of the passage hole have profiles overlapp... | 06/16/2009 |
| 6991065 | Main line wayside rail lubricating system with feedback To lubricate a length of track, a plurality of lubricating nozzles are provided. Each nozzle is fed by the output of a single positive displacement pump, and all the pumps are controlled by a computer. Vibration sensors, sound sensors, or L/V ratio sensors detect ph... | 01/31/2006 |
| 6938935 | Metering device for sand spreading devices, especially for rail vehicles Metering or dosing device for sand spreading apparatuses with a metering piston for sealing off and releasing the throughflow opening for the material to be spread, in which the metering piston and the opposite housing wall of the passage hole have profiles overlapp... | 09/06/2005 |
| 6588808 | Locomotive rail conditioning system alignment verification An apparatus (40,60) for aligning a rail conditioning system, such as a sanding system or a compressed air snow removal system of a locomotive. A source of light (50,70) is removeably and unmovingly attached to a conduit (44,62) of the rail conditioning s... | 07/08/2003 |
| 6170594 | Method and apparatus for reducing vehicle rollover A sensor detects force or other indications of an impending rollover of a motorized land vehicle. Upon detection of a threshold force value, the sensor actuates an applicator that delivers traction reducing fluid to the contact patch between at least one ... | 01/09/2001 |
| 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 |
| 5879034 | Automatic locking device The doors of railroad passenger cars swing inward and toward the front of the car when opened for entry or exit by the passenger. An automatic locking device is described which may be mounted on the exterior surface of the door close to its trailing edge.... | 03/09/1999 |
| 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 |
| 4781121 | System for enhancing traction and energy efficiency in trains A method and apparatus for enhancing traction capacity and energy efficiency of locomotives and powered cars while helping to maintain the crown of the rail profile for better ride quality of trains. This is achieved by utilizing beneficially the effects ... | 11/01/1988 |
| 4316625 | Vehicular salt dispenser A salt dispensing accessory mountable on an automotive vehicle so to dispense salt in front of the rear wheels thereof for traction on ice; the device including a salt storage container with a downward spout underneath, and also a unit for moistening the ... | 02/23/1982 |
| 4273468 | Tunnelling shields and like moveable apparatus Corrections to be applied to the motion of a tunnelling shield to maintain or restore motion of the shield along a predetermined path are determined by directing a beam of collimated light in a direction parallel to or at a fixed angle with the axis of sa... | 06/16/1981 |
| 4230045 | Method and system for increasing the track-to-wheel friction of the wheels of a locomotive for motive power and decreasing the rolling resistance for trailing loads A method and system for maximizing the track-to-wheel adhesion and minimizing the rolling resistance of the wheels of a locomotive is disclosed. A low volume of high pressure water, alone or in admixture with wetting agents, cleaning agents, etc. is spray... | 10/28/1980 |
| 4162766 | Vehicular spreader for icy roads and the like An auxiliary hopper is attached to the rear of a cinder spreading truck. The auxiliary hopper carries salt. The cinders and salt are discharged from their respective storage hoppers in predetermined proportions, are mixed and dumped onto a spreader for ap... | 07/31/1979 |
| 4063606 | Anti-hydroplaning device An Anti-Hydroplaning Device System for a vehicle comprising a blower driven by the engine of the vehicle. A pair of hoses are connected to the blower and each terminate in a nozzle disposed immediately ahead of the traction portion of the vehicle wheel an... | 12/20/1977 |
