Patents Assigned to International Harvester Company
  • Patent number: 4604604
    Abstract: 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 begins to exude an invisible vapor with a specific scent or oder. Alternatively or in combination with a scent emission, visible vapor can be color coded for a fretted part identification or erosion level thereof. The presence of the vapor immediately alerts service personnel of the danger and necessity to replace the worn-out part. The vapor emitting wear indicator does not require any electrical, hydraulic, sound or mechanical connection to any gauge or system and therefore represents one of the cheapest, reliable and most effective ways to indicate the selected level of material abrasion.
    Type: Grant
    Filed: June 29, 1984
    Date of Patent: August 5, 1986
    Assignee: International Harvester Company
    Inventor: Joseph M. Mann
  • Patent number: 4592442
    Abstract: 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 low speed mode when the front axle is sensed to be engaged. The control system includes several switches. A first switch is provided for sensing when the front axle is drivingly coupled to the power train. A second switch is associated with a speed selection control system of the vehicle for causing the power train to be driven in a low speed mode or a high speed mode. A third switch is coupled to the first switch and is responsive to sensing of the front axle being drivingly coupled to the power train for preventing the second switch from causing the rear axle to be driven in the high speed mode and for forcing the rear axle to be driven in the low speed mode so long as the front axle is drivingly coupled to the power train.
    Type: Grant
    Filed: November 29, 1984
    Date of Patent: June 3, 1986
    Assignee: International Harvester Company
    Inventors: B. Lee Wilson, Ernest J. Fasick, James H. King, Noel E. Leitzman
  • Patent number: 4575203
    Abstract: 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 specific vibration frequency of the mirror assembly. The adjustment of the ballast position is made either by moving the adjustment of rods secured to the ballast relative to the mirror assembly or by moving the ballast relative to the adjustment rod. The ballast absorbs the mirror vibration and thereby reduces the need for reenforcing mounting hardware and braces.
    Type: Grant
    Filed: August 3, 1984
    Date of Patent: March 11, 1986
    Assignee: International Harvester Company
    Inventors: Herbert E. Brandt, Thomas C. Tecco
  • Patent number: 4573349
    Abstract: 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. The mounting bracket is centered by a resilient ring which surrounds the mounting bracket. By use of the present invention, manufacturing tolerances of the nozzle holder, mounting bracket, and seat spring may be relaxed while at the same time maintaining optimum levels of performance of the needle position indicator.
    Type: Grant
    Filed: June 28, 1984
    Date of Patent: March 4, 1986
    Assignee: International Harvester Company
    Inventor: Edward A. Slindee
  • Patent number: 4566552
    Abstract: 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 is augmented by a pair of springs attached to the hood and upstanding member for movement thereabout and functioning as a counterbalance to the hood weight during the hood reciprocal movement between its open and closed positions.
    Type: Grant
    Filed: November 16, 1983
    Date of Patent: January 28, 1986
    Assignee: International Harvester Company
    Inventors: Lawrence A. Hoffman, Jay P. Hacker, William M. Miller
  • Patent number: 4552398
    Abstract: 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 and the air brake systems. The electrical signals from this energized stop light circuit actuates solenoid valve which releases the air from the trailer reservoir being subsequently reduced to a predetermined low pressure level. This low pressure air reaches the trailer wheel brake chambers prior to the arrival of the brake air with high pressure overriding the low pressure air route and completing the trailer brake application.
    Type: Grant
    Filed: January 12, 1984
    Date of Patent: November 12, 1985
    Assignee: International Harvester Company
    Inventor: John R. Risley
  • Patent number: 4545261
    Abstract: 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 into a current signal; a brush and slip ring assembly for providing a means to transmit the current signal to a monitor station, and a voltage-to-current converter circuit for converting the current signal to a voltage signal which is proportional to the torque of the slowly rotating shaft.
    Type: Grant
    Filed: March 21, 1983
    Date of Patent: October 8, 1985
    Assignee: International Harvester Company
    Inventor: Vernon D. Gebben
  • Patent number: 4534443
    Abstract: 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 disconnecting of any part of the link system by simply folding out the members thereof. The link system also facilitates a cab isolation from vibration and hunting of the truck frame by a scissor-like geometrical composition and relative motion of its components.
    Type: Grant
    Filed: November 9, 1983
    Date of Patent: August 13, 1985
    Assignee: International Harvester Company
    Inventor: Stanley A. Hurst
  • Patent number: 4530321
    Abstract: 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 (76) of the lead wire conductors being coupled to the bridge which has a first resistance leg, a second resistance leg, a third resistance leg (53), and a fourth resistance leg (54). A junction (128,130) between two resistance legs (56,53) is coupled to a source of voltage potential and a junction (67) between the other two resistance legs (53,54) being coupled to a common or ground (67). A comparator (72) having plus and minus inputs (70,74) and an output (82) is coupled to the bridge. One junction (58) between two of the resistance legs (53,54) connected between the voltage source and ground defines a reference voltage and is coupled to the minus input (74).
    Type: Grant
    Filed: January 12, 1984
    Date of Patent: July 23, 1985
    Assignee: International Harvester Company
    Inventors: LaVerne A. Caron, Edward F. Handley
  • Patent number: 4517929
    Abstract: 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. Three valve control system automatically re-routes the coolant fluid with the lowest temperature in either circuits, or a mixture of fluids in these circuits, into an aftercooler for cooling the air entering the engine.
    Type: Grant
    Filed: September 23, 1983
    Date of Patent: May 21, 1985
    Assignee: International Harvester Company
    Inventors: Donald R. Musick, Edward H. Howell
  • Patent number: 4512810
    Abstract: 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 automatically cleaning the flask flange bushing of entrapped sand.
    Type: Grant
    Filed: January 18, 1984
    Date of Patent: April 23, 1985
    Assignee: International Harvester Company
    Inventor: Earl C. Gahlinger
  • Patent number: 4512299
    Abstract: 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 oil not going to the coarse filter. The oil from the fine filter is delivered directly to the engine. The improved system may be used with a smaller pump using less horsepower than previously possible by multifilter bypass systems. The addition of the fine filtration increases engine life.
    Type: Grant
    Filed: December 12, 1983
    Date of Patent: April 23, 1985
    Assignee: International Harvester Company
    Inventors: John J. Egan, Andrew B. Witkowski
  • Patent number: 4507898
    Abstract: 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 the workpiece which may be ferrous or nonferrous metal. The particles may be bonded to a paper-like backing, incorporated in a binder, such as a viscous paste, or formed into a rod-like structure. Variable feed of the workpiece or the abrasive carrier can be used to provide optimized or selective abrasive cutting.
    Type: Grant
    Filed: September 28, 1982
    Date of Patent: April 2, 1985
    Assignee: International Harvester Company
    Inventor: Peter H. Hofer
  • Patent number: 4508158
    Abstract: 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) fibers to provide graphite fiber metal matrix bearing material having a predetermined volume percentage of graphite fibers. In one embodiment, graphite fibers are wrapped around a removable cylindrical mandrel and the graphite fiber-wrapped mandrel is inserted into a mold and the mold which contains a liquid compliant metal, such as lead, to cause intimate wetting, contact and infiltration of the compliant metal between and around all of the graphite fibers.
    Type: Grant
    Filed: February 22, 1983
    Date of Patent: April 2, 1985
    Assignee: International Harvester Company
    Inventors: Maurice F. Amateau, Keith R. Karasek
  • Patent number: 4502340
    Abstract: 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 a shaft. Electromagnetic coils drive the cylinder at its natural frequency and sense its motion to produce a signal that is proportional to torque. Temperature and shaft bending effects are minimized by accordion folds integrally formed at the end portions of the oscillating cylinder.
    Type: Grant
    Filed: February 15, 1983
    Date of Patent: March 5, 1985
    Assignee: International Harvester Company
    Inventor: Vernon D. Gebben
  • Patent number: 4498356
    Abstract: 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 section carries a pair of drive clutch packs for power shifting of the speeds. The power shifting between the clutch packs on this shift requires no master clutch engagement or disengagement. The plurality of speed which are not power shifted engage via gear synchronizers which require the disengagement of the master clutch while vehicle is still on-the-go. The disengagement of the master clutch simultaneously disengages the clutches in the drive clutch pack and is sequenced in such a manner that re-engagement of the master clutch follows the re-engagement of the drive clutch packs.
    Type: Grant
    Filed: May 18, 1982
    Date of Patent: February 12, 1985
    Assignee: International Harvester Company
    Inventors: George R. Vater, Harold W. Melles
  • Patent number: 4493274
    Abstract: 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 a frame supported, rotatable gauge wheel located adjacent each disk, with each wheel having a radially inwardly located recessed lip immediately adjacent the disk to trap soil removed from the furrow to form a mound of moist and substantially uncompacted soil along the edge of the furrow.
    Type: Grant
    Filed: May 28, 1980
    Date of Patent: January 15, 1985
    Assignee: International Harvester Company
    Inventors: Edward L. Robinson, Jr., Tom G. Stamp
  • Patent number: 4489294
    Abstract: 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 will be restricted to only the single terminal exposed by the cover.
    Type: Grant
    Filed: August 9, 1982
    Date of Patent: December 18, 1984
    Assignee: International Harvester Company
    Inventor: Robert W. Sanderson, III
  • Patent number: 4402184
    Abstract: A split type fuel manifold for gas turbine engines which includes a simple check valve rather than the heretofore used individual valves or complex central valve for uniformly distributing fuel to an array of liquid fuel injectors supplied by the manifold.
    Type: Grant
    Filed: December 8, 1980
    Date of Patent: September 6, 1983
    Assignee: International Harvester Company
    Inventors: Robie L. Faulkner, Graham E. Ogborne
  • Patent number: 4373325
    Abstract: Combustors utilizable in a variety of sizes, configurations, and applications in which vortex induced centrifugal forces and hot gas recirculation are employed for flame stabilization. Both gas and liquid fuels can be burned, and low emission as well as other modes of operation are available.
    Type: Grant
    Filed: March 7, 1980
    Date of Patent: February 15, 1983
    Assignee: International Harvester Company
    Inventor: Jack R. Shekleton