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"Rail travel at high speeds is not possible because passengers, unable to breathe, would die of asphyxia."
Dionysius Lardner, Professor of Natural Philosophy and Astronomy at University College, London ; 1830
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| Number | Title | Issue Date |
| 4604604 | Vapor emitting wear indicator A material wear indicator for a disc brake lining or clutch pad or any other erodible part comprises a vapor substance. Erosion of the part to a predetermined level exposes the substance to an ambient environment or other chemical means. The substance beg... | 08/05/1986 |
| 4592442 | Control system for a vehicle with two speed rear axle and single speed front axle drive A control system for a two-wheel/four-wheel drive vehicle having a rear axle which can be operated in a high speed mode or a low speed mode and a front axle which can be drivingly coupled to the engine power train to place or maintain the rear axle in the... | 06/03/1986 |
| 4575203 | Mirror vibration absorber A mirror vibration absorber for mirror assemblies mounted on motor vehicles comprises a ballast absorbing the vibration of the mirror assembly and disposed either inside or outside thereof. The position and weight of the ballast can be adjusted to the spe... | 03/11/1986 |
| 4573349 | Needle position indicator for a fuel injection nozzle holder An improved needle position indicator for a fuel injection nozzle holder is provided by the present invention. The present invention is an apparatus for centering the position indicator mounting bracket within the interior chamber of the nozzle holder. Th... | 03/04/1986 |
| 4566552 | Hood tilt retardation system A hood tilt retardation system comprising a shock absorber mounted on the side of upstanding member near the motor truck engine provides cushioning of the hood descent into its fully open or closed positions in the final segments thereof. This cushioning ... | 01/28/1986 |
| 4552398 | Tractor-trailor brake acceleration system A brake activation system for reducing the time between the brake application of tractors and trailers utilizes a speed differential between the electrical and air signals. The application of the tractor brake actuates simultaneously a stop light circuit ... | 11/12/1985 |
| 4545261 | Shaft torque measuring system A shaft torque measuring system comprising a transducer mounted on a slowly rotating shaft that produces an output voltage signal proportional to its torque; a voltage-to-current converter circuit for converting the output voltage signal from the sensor i... | 10/08/1985 |
| 4534443 | Foldable throttle control linkage for a tiltable truck cab A throttle controlling system in a cab-over-engine truck for a positive and remote transmission of a accelerator pedal displacement to an engine mounted fuel control lever. The link system permits raising of the cab into its tilted position without discon... | 08/13/1985 |
| 4530321 | Glow plug control circuit The glow plug control circuit (28) is coupled by lead wire conductors to one or more glow plugs (31-38) for energizing same and includes a resistance bridge, the resistance (30) of the parallel connection of the one or more glow plugs plus the resistance ... | 07/23/1985 |
| 4517929 | Self-adjusting cooling system for diesel engines A self-adjusting cooling system for an internal combustion engine comprising a first circuit re-circulating a larger fluid flow, and excluding the radiator, and a second circuit re-circulating a smaller amount of fluid which passes through the radiator. T... | 05/21/1985 |
| 4512299 | Automotive engine with improved multifilter lubrication system An automotive engine is provided with an improved multifilter oil lubrication system. At least two filters are provided wherein the majority of the oil flow is through a primary coarse filter. At least one fine secondary filter is provided to filter the o... | 04/23/1985 |
| 4512810 | Bolster pin and method for cleaning flask bushing A bolster pin is provided which automatically cleans the flask bushing of a mold set. The bolster pin has brushing elements which clean the flask bushing each time the mold set is joined or separated. Use of the bolster pin provides a method for automatic... | 04/23/1985 |
| 4508158 | Graphite-metal matrix bearings and methods of manufacturing Methods are disclosed for manufacturing graphite fiber metal matrix bearing materials using liquid metal pressure infiltration to achieve a high degree of intimate wetting, contact and infiltration of a compliant metal between and around graphite (carbon)... | 04/02/1985 |
| 4507898 | Abrasive liquid jet cutting apparatus Abrasive liquid jet cutting is provided by disposing abrasive particles in positionally supported form, as on a carrier, such as sandpaper, between the liquid jet nozzle and the workpiece. The particles are intercepted by the liquid jet and driven into th... | 04/02/1985 |
| 4502340 | Torque sensor for shafts A non-contacting torque sensor is provided for measuring the torque of stationary and slowly rotating shafts. The torque sensor employs an oscillating thin-wall cylinder to produce a signal whose frequency is directly proportional to the torque applied to... | 03/05/1985 |
| 4501138 | Dynamic engine power assessment A dynamic engine power test method comprises operating the engine at a low speed, accelerating the engine at full throttle to a predetermined high speed, such as high idle, without absorbing or dissipating power therefrom, measuring the engine speed and e... | 02/26/1985 |
| 4501112 | Cotton harvesting machine pneumatic duct system The present invention provides an improved cotton duct structure for a cotton harvester. The air supply line has a nozzle which releases air on the cotton ducts ascending front wall, thereby projecting harvested cotton in a direction towards the receptacl... | 02/26/1985 |
| 4501532 | Thermal shock barrier for injection pump A diesel fuel injection pump having a rotary fuel distributor head including a rotor disposed in very close clearance thereinside wherein a thermal shock barrier of an elastomeric material having a low thermal conductivity is disposed about the outside of... | 02/26/1985 |
| 4498356 | Motor vehicle transmission A motor vehicle transmission comprising a speed and range sections connected via a master clutch, provides all speed selections on-the-go, i.e. without stopping the motor vehicle. An engine driven input shaft extending through the speed transmission secti... | 02/12/1985 |
| 4496004 | Rearwardly folding agricultural implement This invention teaches an improved collapsible farm implement of the type having a wheeled frame or cart and right and left side elongated toolbars pivoted at their inboard ends about vertical axes relative to the frame so as to allow toolbar rotation rea... | 01/29/1985 |
| 4494418 | Multi-directional single lever control for transmissions A multi-directional single lever control for a transmission with at least two modes of operation comprises two juxtaposed sets of speeds correlating to these modes. The shift lever pivoting with a lever mount in one direction engages speeds working in one... | 01/22/1985 |
| 4493274 | Furrow forming apparatus for a seed planter An apparatus to be towed that includes a frame supported, rotatably mounted, pair of furrow forming disks that are arranged to substantially contact each other at the approximate point of entry into the soil and diverge apart rearwardly and upwardly, and ... | 01/15/1985 |
| 4489294 | Starter solenoid terminal cover End cover protecting a vehicle solenoid so that the usual molded plastic case thereof will not be cracked from contact of a falling object and so that electrical contact if made to any of the customary solenoid terminals at the end of its plastic case wil... | 12/18/1984 |
| 4482023 | Self-looking portable panel A self-locking portable panel having an impact actuated and self-locking hinge mechanism at one end thereof and a latch at another.... | 11/13/1984 |
| 4479399 | Chip system to monitor and digitally control a multiple clutch transmission Three clutch system for operating the composite transmission power train of a farm tractor, comprising first and second power shift clutches, and a master clutch connected by intervening gearing in separate paths to the different power shift clutches so a... | 10/30/1984 |
| 4477801 | Seed monitor apparatus harness adapter for a convertible planter A harness adapter is disposed between the seed monitor logic circuitry and the individual row unit seed detectors upon conversion of a planter for operation of only a portion of its planting units. The adapter provides a continuous series of connections f... | 10/16/1984 |
| 4475601 | Variable width plow system with shim means adjustment A plow system that includes a plurality of equally spaced plows, each of which is mounted on the inclined beam of the system by a mechanically adjustable mounting structure. The system also has a tail wheel that is associated with the last plow and steeri... | 10/09/1984 |
| 4473144 | Transmission clutch hub A clutch hub for a motor vehicle transmission is used for transferring torque to a driven shaft rigidly and detachably connected thereto. The hub body comprises inclined tunnels with slanted corridors providing additional rotational effect and more even f... | 09/25/1984 |
| 4466519 | Drive and brake system for motor vehicles with four-wheel drive A braking arrangement for a four-wheel drive vehicle, facilitating an engagement of the front-wheel drive when the service brakes acting on the vehicle rear axle are actuated.... | 08/21/1984 |
| 4464933 | Steering console providing digital readout displays A steering console for tractors providing digital readout displays activated by a keyboard strategically located within easy finger reach of the operator. A multitude of vital tractor functions are automatically continuously monitored and, simply by touch... | 08/14/1984 |
| 4464604 | Tractor work lighting with automatic deluminizing control Tractor with speed-responsive circuit-interrupting switch for automatically dousing, at night, flood work lamps provided in a lighting circuit on the tractor. Switching is controlled according to a microcomputer chip program by which frequency of a ground... | 08/07/1984 |
| 4462477 | Tractor bogie suspension with steering and weight transfer control Tractor bogie suspension with steering and weight transfer control, effective to pitch such a front-steered machine as to convert from a non-all-wheel drive, three axle operation to an all-wheel-drive, two axle operation, doing so both automatically and o... | 07/31/1984 |
| 4454926 | Air intake on a tractor engine hood A tractor vehicle (10) is provided with a heat exchanger (64) compartment supplied with ambient air from an intake grille (24) above the heat exchanger compartment. The intake grille (24) covers a top air intake port for supplying air to a heat exchanger ... | 06/19/1984 |
| 4452318 | Folding frame implement with wing mounted support stand An implement having a tool equipped tool bar with a central horizontal section, a wing pivotally mounted to each end of the central section, a hydraulic cylinder mounted on the central section for each wing and connected with the wing to move the wing fro... | 06/05/1984 |
| 4448357 | Rotary macerator An improved macerator adapted to shred crop material and having an annular perforated die ring and a roller operative within the die ring to extrude crop material through the perforations as the die ring and roller are power-rotated. The roller is journal... | 05/15/1984 |
| 4446953 | Clutch oil shield and diverter A hydraulic fluid shield and diverter encompassing the multiple disc clutch transmitting torque from input shaft to an output shaft, intensifying the cooling effect of the hydraulic fluid passing through the clutch and also reducing aeration of the fluid ... | 05/08/1984 |
| 4442477 | Steering light arrangement A steerable and height adjustable light pod comprising a multi-directional light emitting means is mounted atop a vehicle guide wheel for synchronous angular movement therewith.... | 04/10/1984 |
| 4437295 | Automatic header height control The method for automatically controlling the height of a header used with a farm implement comprises the steps of: sensing the height of the header above ground; selecting a desired height of the header above ground; determining any difference error betwe... | 03/20/1984 |
| 4436289 | Method and apparatus for controlling the atmosphere in a carburizing furnace utilizing a cascaded valving system An automatic control for a multi-zone push type carburizing furnace capable of controlling the flow of either an endothermic gas atmosphere or a nitrogen methanol atmosphere at both high and low flow rates and during normal and suspend carburizing utilize... | 03/13/1984 |
| 4433762 | Opposed reaction transmission brake A tractor vehicle transmission is provided with a two piston brake where each piston operates in opposite directions. A pair of gears are spaced apart and the brake resides between them. Thus upon actualization the brake will contact each gear causing ret... | 02/28/1984 |
