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| Number | Title | Issue Date |
| 6320317 | Glass seal resistor composition and resistor spark plugs A resistor seal composition useful in resistor spark plugs, comprises glass, at least one metal oxide, at least one filler material, and a branched or straight chained zirconium carboxylate. The glass comprises a strontium borate glass and/or a borosilica... | 11/20/2001 |
| 5983932 | Dual tank fuel system A dual tank fuel system has primary and secondary fuel tanks, with the primary tank including a filler pipe to receive fuel and a discharge line to deliver fuel to an engine, and with a balance pipe interconnecting the primary tank and the secondary tank.... | 11/16/1999 |
| 5856724 | High efficiency, extended life spark plug having shaped firing tips A spark plug is provided which is suitable for use in a spark ignition system for an internal combustion engine. The spark plug is equipped with a specially configured firing tip on each of its electrodes for the purpose of minimizing the demand voltage o... | 01/05/1999 |
| 5835974 | Method and means for blended multi-component gas calibration and diagnosis of multiple gas analyzers A gas flow system for an emission analysis bench includes a source of blended calibration span gas using a single span tree connected with all the analyzers so that a method of simultaneous calibration or diagnosis of all the analyzers may be carried out ... | 11/10/1998 |
| 5730369 | Fuel injection An injector for delivering a charge of fuel and air to an engine includes a central passage extending from an air inlet to a valve seat, a poppet valve secured on a valve stem extending through the central passage and engageable with the valve seat, a pop... | 03/24/1998 |
| 5598814 | Method and apparatus for electrically driving engine valves A motor control includes position transducers for generating crankshaft position and motor position pulse trains. The pulse trains are compared to detect any phase difference between engine and motor. Tables are generated to define the desired phase diffe... | 02/04/1997 |
| 5567056 | Turbocharger drive and planet bearing therefor A planet bearing and gear assembly for the carrier of a speed increasing planetary gear train for driving a diesel engine turbocharger or the like includes an enlarged diameter gear bore and associated bearing outer diameter for lightening the gear and in... | 10/22/1996 |
| 5535643 | Anti-rattle engine balancer which drives associated oil pump A Lanchester type engine balancer avoids rattle of gears connecting counterrotating balance shafts by minimizing inertia through limiting diameters of the counterweight envelopes, timing gears and bearing journals of the balance shafts and by driving an a... | 07/16/1996 |
| 5536144 | Turbocharger turbine wheel and shaft assembly A turbine wheel for a turbocharger or the like is mounted to an impeller shaft and optionally an additional drive shaft by annular rows of coupling teeth preferably of the CURVIC™ coupling type having radially and rotationally locking convex sided and c... | 07/16/1996 |
| 5527198 | High efficiency, extended life spark plug having shaped firing tips A spark plug is provided which is suitable for use in a spark ignition system for an internal combustion engine. The spark plug is equipped with a specially configured firing tip on each of its electrodes for the purpose of minimizing the demand voltage o... | 06/18/1996 |
| 5494007 | Method and apparatus for electrically driving engine valves A cam mechanism is employed to convert motor rotation to reciprocating valve motion. Motor speed is reduced at the valve opening and closing times to reduce stress on the cam mechanism.... | 02/27/1996 |
| 5426567 | Electronic module package and mounting having diagonally disposed guide pins and threaded rods Similar electronic module packages are provided having guide pins and front actuated retaining rods for mounting the package on a mounting panel having threaded mounting holes spaced in a regular pattern to accept the guide pins and retaining rods of seve... | 06/20/1995 |
| 5425338 | Railway locomotive diesel engine speed/load control during air starvation Methods of operating a locomotive engine to maintain power and speed under conditions of air starvation, as in high temperature tunnel operation, include varying engine load instead of fuel rate to maintain set engine speed when operating at (1) excessive... | 06/20/1995 |
| 5421300 | Torch jet spark plug A torch jet spark plug is provided which is suitable for use in a torch jet-assisted spark ignition system for an internal combustion engine. The torch jet spark plug is configured to ignite an air/fuel mixture within a combustion prechamber formed integr... | 06/06/1995 |
| 5405280 | Integrated molding and inking process for forming a torch jet spark plug A method is provided for forming a torch jet spark plug suitable for use in a torch jet-assisted spark ignition system for an internal combustion engine. The torch jet spark plug is configured to ignite a fuel mixture within a combustion prechamber formed... | 04/11/1995 |
| 5398648 | Compact valve lifters Compact valve lifters are disclosed for overhead camshaft engines with direct acting valve gear and for engines with indirect acting valve actuation such as push rod actuated overhead valves. Two step variable lift and non-variable lift valve lifters are ... | 03/21/1995 |
| 5367945 | Floating piston pin retainer A piston connecting rod assembly has a floating piston pin that is retained in centered assembly by a retainer clip having hooked fingers that lock into grooves in one end of the piston bore and hooked stringers that lock the piston pin in position after ... | 11/29/1994 |
| 5361733 | Compact valve lifters Compact valve lifters are disclosed for overhead camshaft engines with direct acting valve gear and for engines with indirect acting valve actuation such as push rod actuated overhead valves. Two step variable lift and non-variable lift valve lifters are ... | 11/08/1994 |
| 5353991 | Solenoid actuated valve assembly A solenoid actuated valve assembly has first and second valve members, first and second valve seats, a solenoid coil, a first armature effective when the coil is energized with a positive current to permit displacement of the first valve member from the f... | 10/11/1994 |
| 5337712 | Valve gear for at least two simultaneously operated valves To operate several overhead valves 5, 6 of an internal combustion engine simultaneously via a cam 18 using standard commercial cup tappets 7, 8, a crossbar 14 is placed over the bases of the cup tappets 7, 8. The crossbar is acted on between the axes of t... | 08/16/1994 |
| 5331927 | Exhaust port insert A two stroke cycle engine has an engine block with a cylinder bore accommodating a piston. An exhaust port connects the cylinder bore to an outside of the engine block. An exhaust port control valve mechanism within the engine, according to this invention... | 07/26/1994 |
| 5323665 | Starting vibration damped flexplate flywheel A flexplate flywheel has an annular damper ring welded directly to the associated ring gear to substantially reduce starter associated vibrations and the level of sound perceived by the driver of an associated automotive vehicle during engine starting.... | 06/28/1994 |
| 5307769 | Low mass roller valve lifter assembly An assembly of a low mass roller valve lifter having a body diameter smaller than the diametral extent of the associated roller and a sleeve sized to receive protruding portions of the roller. The sleeve has a transverse slot that guides flatted ends of t... | 05/03/1994 |
| 5295409 | Remote control lever module A remote control lever module comprising a shaft rotatably mounted on a support. A friction pad has a pair or surfaces each of which frictionally resists rotation of the shaft with respect to the support and permits relative rotation between the shafts an... | 03/22/1994 |
| 5295602 | Housing with snap latch closure An engine air cleaner housing has a snap latch closure that secures the housing cover on the housing base. To form the snap latch closure, the base has a depending retaining wall, a pair of lateral projections at opposite ends of the retaining wall, and a... | 03/22/1994 |
| 5289811 | Purge control device A purge control device for an evaporative control system comprises a single housing having two solenoid actuated valves controlling parallel orifices leading from an inlet chamber to an exit flow path. The two solenoid valves have different sized orifices... | 03/01/1994 |
| 5273010 | Intake manifold A one-piece integrally molded intake manifold is for an engine having opposed cylinders. The intake manifold comprises a plurality of runners each of which is coiled about a runner center. The runners are arranged side-by-side so that the runner centers l... | 12/28/1993 |
| 5263444 | Seal, and sealed T-joint A seal for the T-joint between upper and lower engine crankcase members and a crankshaft seal member has a longitudinal portion received between and engaging the upper and lower crankcase members, and a generally triangular tip formed by a shorter side an... | 11/23/1993 |
| 5263462 | System and method for detecting leaks in a vapor handling system This invention relates to a diagnostic system that detects a leak in an engine vapor handling system by checking whether a predetermined pressure or vacuum is attained in a fuel tank when a corresponding temperature change occurs in the fuel tank while th... | 11/23/1993 |
| 5261272 | Temperature sensor for integrated induction system An integrated induction system for providing fluids to the cylinders in an engine comprises a casing adapted for mounting on the engine. The casing has an air inlet and a plurality of fluid outlets. A plurality of air tubes are disposed within the casing ... | 11/16/1993 |
| 5261375 | Fuel injection assembly for integrated induction system An integrated induction system for providing fluids to the cylinders in an engine comprises a casing adapted for mounting on the engine. The casing has an air inlet and a plurality of fluid outlets. A plurality of air tubes are disposed within the casing ... | 11/16/1993 |
| 5253629 | Flow sensor for evaporative control system A device for detecting a malfunction of the evaporative control system comprises a two-way flow device in the atmospheric air vent of the evaporative canister with a sensor to detect whether fluid is flowing through the canister during selected operating ... | 10/19/1993 |
| 5246130 | Fuel storage apparatus Coiled inserts formed from herringbone corrugated foil are disposed in the filler neck and vent lines of a methanol fuel tank to prevent passage of a flame into the tank.... | 09/21/1993 |
| 5219138 | Mounting bracket A mounting bracket for use with a base member having a flat upper base surface and an elongate shoulder extending upward from the base surface. The shoulder has a V-shaped recess extending along its length. The base member also has a tapped bolt hole adja... | 06/15/1993 |
| 5148793 | Compartmental evaporative canister and pressure control valve assembly A fuel vapor storage canister to prevent breakthrough evaporative emission loss and facilitate purging by concentrating the fuel vapor close to the vent to the engine. The canister is divided into two compartments which communicate through a connective me... | 09/22/1992 |
| 5119793 | Fuel injection A single fuel metering valve directs fuel to a plurality of charge delivery injectors.... | 06/09/1992 |
| 5101800 | Fuel injection A single fuel metering injector directs fuel through a plurality of nozzles to a plurality of charge delivery injectors.... | 04/07/1992 |
| 5086746 | Compressed air supply An engine, having a fuel injection system in which compressed air carries the fuel into the engine, is equipped with an air compressor coupled to and driven by the engine cranking motor; the air compressor supplies supplementary air required by the fuel i... | 02/11/1992 |
| 4958771 | Injection nozzle An injection nozzle has a flow splitter interposed between its valve head and its valve seat. An operating disc responsive to pressure in the nozzle inlet varies the position of the flow splitter between the valve seat and the valve head, maintaining the ... | 09/25/1990 |
| 3957929 | Carburetor having priming means In an air valve carburetor, additional fuel for cold start enrichment is provided by a primer pump operated by the throttle when the throttle is opened completely. The primer pump discharges through a jet traversed by the air valve, and the air valve is o... | 05/18/1976 |
