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...When G.G. Hubbard learned of his future son-in-law's invention, he called it "only a toy." His daughter was engaged to a young man named Alexander Graham Bell.
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| Number | Title | Issue Date |
| 5358072 | Wheel flange lubrication with enclosed strand drive A railway vehicle wheel flange lubrication system includes a body mounted integrated supply/drive unit, a gapless delivery hose of low friction, e.g. thermoplastic, material and a truck mounted holder bracket. The supply/drive unit has a box enclosing a l... | 10/25/1994 |
| 5343618 | Method of assembling a shaft and apertured member A tubular shaft has a portion of reduced inner diameter at a location where joining to an apertured member is desired. The aperture in the member is lobed with splines in the lobes and has an undercut groove or grooves, and is hardened. The shaft is inser... | 09/06/1994 |
| 5327856 | Method and apparatus for electrically driving engine valves Each valve of an internal combustion engine is driven by a separate rotary electric motor. A cam mechanism for the valves comprises a cylindrical cam in line with the motor axis and the valve stem, the mechanism having inner and outer cylinders, one cylin... | 07/12/1994 |
| 5327859 | Engine timing drive with fixed and variable phasing An engine timing drive for driving a camshaft and an accessory such as a balance shaft has a transmission member including a fixed phase output for driving the accessory and a variable phase output for driving the camshaft. A preferred embodiment incorpor... | 07/12/1994 |
| 5328094 | Fuel injector and check valve An improved high pressure fuel injector and check valve disks therefore having annularly spaced passages including holes. A preferred embodiment for EMD diesel and dual fuel engines is a unit injector with a flat circular valve disk having a plurality of ... | 07/12/1994 |
| 5307632 | Engine and method for turbo boosted operation of a mechanically assisted turbocharger in a two cycle engine A two cycle, preferably diesel, engine has a turbocharger with an exhaust driven turbine and supplemental mechanical drive maintaining a fixed minimum turbine/engine speed ratio with fuel efficient freewheeling (fully exhaust sustained) turbine operation ... | 05/03/1994 |
| 5308183 | Lock coupling between shaft and rotor A timing sprocket is secured to a camshaft by a locking coupling so that before the coupling is tightened the sprocket will free wheel on the shaft for adjustment purposes and yet be firmly supported against tipping under load, and when tightened the spro... | 05/03/1994 |
| 5070845 | Fuel injection nozzle A fuel injection nozzle has a tubular body adapted to receive fuel, a tubular seat member mounted to the body, the seat member having an opening for discharging fuel and a valve seat surrounding the opening, a poppet valve member engageable with the valve... | 12/10/1991 |
| 5036824 | Fuel injection A fluid rail assembly supports a fuel metering injector and a charge delivery on an engine. The charge delivery injector includes flutes spaced about the interior of the nozzle to promote formation and delivery of a charge of fuel and air having desired s... | 08/06/1991 |
| 5004162 | Solenoid actuated valve assembly In an injector adapted to deliver a charge of fuel and air directly into the combustion chamber of a two-stroke cycle engine, a single solenoid coil has an armature mechanism that sequentially opens both a fuel metering valve and a charge delivery valve.... | 04/02/1991 |
| 4978074 | Solenoid actuated valve assembly An injector has a solenoid armature that displaces a valve from its seat to deliver a charge of fuel and air directly into the combustion chamber of a two-stroke cycle internal combustion engine. When a valve return spring closes the valve against its sea... | 12/18/1990 |
| 4958774 | Fuel injection An injector has a single tapered valve controlling fuel flow to a plurality of outlet passages. The entrance to each outlet passage has an orifice surrounded by a raised valve seat. Each valve seat is separated from the other valve seats by a recessed spa... | 09/25/1990 |
| 4958773 | Fuel injection An injector has a single tapered valve controlling fuel flow to a plurality of outlet passages. The entrance to each outlet passage has an orifice surrounded by a raised valve seat. Each valve seat is separated from the other valve seats by a recessed spa... | 09/25/1990 |
| 4955350 | Fuel injection A pressure regulator has a spool valve positioned by a linear motor to control flow through a spill passage from a fuel inlet to a fuel outlet and thereby control the fuel pressure in the inlet as a function of the current in the linear motor, a piston su... | 09/11/1990 |
| 4932374 | Fuel injector nozzle for internal combustion engine Nozzle arrangements for injecting fuel into a combustion chamber of a piston engine with stratified charge being provided by a resilient diaphragm which deflects by amounts proportional to engine load. At high engine load, further deflection of the diaphr... | 06/12/1990 |
| 4925112 | Fuel injection In an injector adapted to deliver a charge of fuel and air directly into the combustion chamber of a two-stroke cycle engine, a pair of solenoid coils are aligned along a common axis between an armature that serves as a fuel metering valve and an armature... | 05/15/1990 |
| 4909221 | Internal combustion engine fuel injection system In an internal combustion engine fuel injection system, an injection valve has a connection to a fuel delivery pipe and a connection to the engine oriented at a right angle.... | 03/20/1990 |
| 4909220 | Fuel injection The base of a fuel injector has a plurality of radially opening recesses that receive the ends of injection tubes, the end of each tube is flared and surrounded by an O-ring that seals the tube in its recess, each tube is surrounded by a sleeve that suppo... | 03/20/1990 |
| 4893995 | Electric motor-driven impeller-type air pump A high speed electric motor drives an impeller to centrifugally induce air flow to an engine exhaust system. The motor is sealed within a noise attenuating cover, and the impeller induces a portion of the air flow to recirculate through the sealed motor c... | 01/16/1990 |
| 4844515 | Fuel connection A fuel line receiver has a fuel passage terminating in an enlarged region. A retainer ring secures an O-ring in the enlarged region. The tip of a fuel line is curled to facilitate insertion through the retainer ring and the O-ring into the fuel passage. T... | 07/04/1989 |
| 4826411 | Air pump vane assembly In an air pump vane assembly, the vane hub is both staked to the vane blade and clinched to the vane blade.... | 05/02/1989 |
| 4805582 | Exhaust gas recirculation valve An exhaust gas recirculation valve has a seat formed in a member that is secured to the valve actuator independently of the valve base and that can accordingly accommodate a wide variety of base designs without substantial change in the equipment employed... | 02/21/1989 |
| 4792114 | Vacuum regulator valve unit A vacuum regulator valve unit has a valve body and a coil assembly that define a chamber. The valve body has an air inlet passage opening into the chamber. A washer overlies the valve body within the chamber and has an air inlet port aligned with the pass... | 12/20/1988 |
| 4768720 | Fuel injection A fuel injector includes a solenoid operated valve that is opened on a periodic basis to meter fuel through a plurality of discharge passages, and also includes a rectifier valve that allows air to flow through the discharge passages when the solenoid ope... | 09/06/1988 |
| 4756289 | Self-contained fuel pressure regulator A fuel pressure regulator base has a fuel chamber adapted for plug-connection directly to the fuel rail to receive fuel from the rail, a flexible diaphragm closes the chamber, a cover forms a pressure chamber with the diaphragm, and the pressure regulator... | 07/12/1988 |
| 4732588 | Canister using thermoelectric cooler A fuel vapor storage canister includes a vapor inlet for introducing vapor into the canister and a bed of adsorbant material in fluid communication with the inlet for adsorbing vapor within the canister. A vapor purge tube is in fluid communication with t... | 03/22/1988 |
| 4727827 | Fuel additive metering system In a diesel engine fuel injection system, a fuel injection pump draws fuel from a reservoir, delivers a portion of the fuel to the engine, and directs excess fuel through a return line back to the reservoir. A supply pump delivers fuel from a tank to the ... | 03/01/1988 |
| 4724861 | Fuel tank venting A fuel tank filler neck has a partition providing a vent orifice for vapor flow from a fuel introduction tube to a vapor discharge fitting. A ball valve guided beneath the orifice is adapted to float into engagement across the orifice to prevent liquid fu... | 02/16/1988 |
| 4725040 | Exhaust gas recirculation valve assembly A valve assembly for controlling recirculation of exhaust gases has three solenoid operated valve members that meter flow of exhaust gases through calibrated outlets from an exhaust gas chamber. Each valve member has a valve stem extending to its solenoid... | 02/16/1988 |
| 4714485 | Fuel vapor storage canister A canister adapted to store fuel vapor discharged from a fuel tank has an inlet chamber that forms a trap for liquid fuel. Fuel is purged from the canister through a purge tube that has a small liquid purge hole at the bottom of the chamber and a large va... | 12/22/1987 |
| 4706708 | Fuel tank venting A fuel tank filler neck has a plate that pivots between a position restricting the filler neck and a position permitting introduction of fuel through the filler neck. A vent housing secured on the filler neck has a vapor inlet fitting and a vapor outlet f... | 11/17/1987 |
| 4703738 | Purge flow control valve A valve obstructs flow of fuel vapor to an engine induction passage both when the engine is not operating and when the engine is operating with a closed throttle, and varies flow of fuel vapor to the induction passage when the engine is operating with an ... | 11/03/1987 |
| 4699176 | Air control valve assembly In an exhaust emission control system for an automotive internal combustion engine, an air control valve assembly either directs air flow provided by an engine driven air pump to the engine exhaust ports or to an exhaust system catalytic converter, or div... | 10/13/1987 |
| 4695342 | Method of forming truck cab frames To form a pair of truck cab frames, a pair of mandrels are provided in base-to-base relationship, filamentary material is wound about the mandrels to form four corner pillars, four roof rails and two roof cross-members of each frame, and the corner pillar... | 09/22/1987 |
| 4693223 | Fuel injection valve connection A fuel connector has a projection with a threaded external surface that mates with the threaded internal surface of a fuel injection valve fitting, and also has a sleeve surrounding the fitting. An O-ring engages the internal surface of the sleeve and the... | 09/15/1987 |
| 4693393 | Fuel vapor storage canister having tortuous vent passage A fuel vapor storage canister has inner and outer covers that define a labyrinth through which the purge air flow is directed. The labyrinth inhibits ingestion of water and dirt as purge air is drawn into the canister.... | 09/15/1987 |
| 4683862 | Fuel vapor storage canister A canister adapted to store fuel vapor discharged from a fuel tank has an inlet chamber at one end that forms a trap for liquid fuel. Fuel is purged from the canister through a purge tube that has a small liquid purge hole at the bottom of the chamber and... | 08/04/1987 |
| 4673009 | Fuel tank venting A fuel tank has a filler neck terminating in an upwardly opening well, and a paddle overlying the well has a pivoted arm extending adjacent a vent valve. The arm causes the valve to restrict flow through a vent orifice when fuel is not being introduced th... | 06/16/1987 |
| 4664091 | Engine control A stream of water or a water-methanol mixture is injected into the induction passage of a spark ignition internal combustion engine, and a probe disposed in the induction passage is contacted by the stream to sense when the density of the engine charge ca... | 05/12/1987 |
| 4653528 | Multi-adaptive fuel pressure regulator A fuel pressure regulator has a multi-faceted extruded base that allows the outlet from the pressure regulator to be oriented in any of six different directions. A fuel body has a projecting snout and a fuel passage extending through the snout, and the in... | 03/31/1987 |
