Abstract: A gaseous fuel injection system for use with a combustion engine having a throttle cable. The system include a supply tank connected to a pressure regulator connected to a throttle assembly, and a safety valve preventing fuel flow when the engine is not operating. The throttle assembly includes a tubular throttle body having opposing open ends, with one end securable to an intake manifold of the engine. A control rod extends transversely through the throttle body, and an air intake valve is secured to the control rod within the throttle body, so that rotating the control rod controls air intake into the intake manifold. A fuel valve is attached to the throttle body and includes a valve body defining a fuel outlet connected to a fuel injector extending into the throttle body. The fuel valve also includes a needle closing the fuel outlet and extending out of the valve body.

Abstract: A centrifugal fuel distributor including a drive shaft rotatably mounted within a housing having a distribution cavity. A sidewall of the distribution cavity defines a plurality of spaced-apart fuel outlets, and a hollow armature is biased radially outwardly from the drive shaft, so that a distal end of the armature is in sealing contact with an inner surface of the sidewall. During operation, pressurized fuel travels through a fuel passage in the drive shaft and through the hollow armature while the drive shaft is rotated, so that the distal end of the armature slides along the inner surface of the sidewall of the distribution cavity and sequentially distributes fuel to the plurality of fuel outlets. The fuel then passes from each fuel outlet to fuel injectors mounted in cylinders of an engine incorporating the fuel distributor.

Abstract: A fuel distributor for delivering fuel under pressure to cylinders of an engine. The distributor includes a housing, an inlet for delivering fuel under pressure to the housing, a plurality of outlets in the housing and a valve assembly mounted in each outlet. Each valve assembly is for connection to a fuel injector mounted in a cylinder of the engine, and each assembly includes a passage for delivering fuel under pressure from the housing, a plunger positioned in the passage, and a valve spring biasing the plunger to one of a passage open position and a passage closed position. The fuel distributor also includes a cam for moving the plungers against the valve springs, whereby movement of the cam controls fuel flow to the cylinders.

Abstract: A flexible membrane variable orifice fluid flow meter which comprises a body, having a fluid conducting passageway therethrough, where the passageway has a first lateral width and second lateral width, and where the second lateral width is greater than the first, a backing bracket having a flat underside disposed within the second lateral width portion of the passageway perpendicularly to the direction of fluid flow and positioned so as to be superimposed over the first lateral width portion of the passageway, where the backing bracket has a lateral width less than the second lateral width but greater than the first lateral width of the passageway, a flexible membrane having head and toe ends, disposed between the flat underside of the backing bracket and the first lateral width portion of the passageway, and secured at its head end between the backing bracket and the body so that under conditions of zero fluid flow rate, the membrane obstructs the passageway across the second lateral width thereof, and diffe

Abstract: A gaseous fuel management system for an internal combustion engine having a source of gaseous fuel such as LPG or CNG, a throttle control and an exhaust system and having an air intake tube for conducting combustion air into the manifold of the engine and an angularly movable butterfly valve disposed in the air intake tube, responsive to the operation of the throttle control. A fuel delivery bar having an interior longitudinal fuel conducting bore is diametrically disposed in the air intake tube upstream from the butterfly valve and has a plurality of fuel delivery orifices in its downstream facing side which orifices communicate with the interior of the bar. A fuel lane interconnects the interior bore of the fuel delivery bar to the fuel source and an electronically controlled valve meters the amount of fuel admitted to the interior bore of the fuel delivery bar as a function of the oxygen content of the products of combustion in the exhaust system.

Abstract: A gaseous fuel delivery system for an internal combustion engine having at least one cylinder with fuel intake and exhaust gas ports and an ignition system and having a controlled air intake system for each of the cylinders of the engine which includes a source of gaseous fuel, a fuel plenum having at least one fuel atomizer nozzle for each cylinder of the engine, where each nozzle is in communication with the air intake system proximate the intake port in each cylinder, a fuel flow rate control device connected between the source of gaseous fuel and the fuel plenum which contains an electronic control unit having a plurality of optimum fuel/air mixture variables as inputs and a modulated pulse width output connected to a linear d.c. motor, the shaft stroke of which controls the operation of a fuel valve for regulating the flow of fuel from the gaseous source to the fuel plenum.

Abstract: Apparatus and method for compensating fuel delivery to the cylinders of internal combustion engines for the barometric pressure; for the intake air temperature; and for the heat transferred from the internal engine surfaces to the intake air prior to the air being confined within the cylinder. In the apparatus, temperature sensors are placed to measure internal engine surfaces. The method and apparatus can be used with both a four-stroke or two-stroke engine. In a two-stroke engine, the sensor would be mounted on the crankcase; in a four-stroke, on the intake manifold.

Abstract: An electromagnetically operable fuel injection valve for use with an internal combustion engine. The injection valve includes a non-magnetic housing having a fuel passage therethrough and a fixed magnetic core therein. A magnetic movable armature is floatably movable within a sleeve member within the housing. The movable armature has a nozzle portion of reduced diameter which carries at the exit end thereof a ball valve. A nozzle seat having a fuel discharge orifice is adapted for reception of the ball valve and means are provided for guiding said ball valve into sealing engagement with the discharge orifice.

Abstract: A capillary tube applicator for dispensing anaerobic and cyanoacrylate adhesives is penetratingly inserted and retained in place by an interference fit within a cap attached internal to the neck of a container for the adhesive.

Abstract: A snowmobile electrical system having a battery conservation circuit. The system is designed to conserve battery power after deactivation of the engine using the kill switch, even if the key switch is left on. Battery power is normally consumed by continued connection of the microprocessor-based electronic engine control unit (ECU) to the battery after kill switch activation. To prevent battery consumption, the ECU monitors the electrical output of the ignition system at a position within the system wherein the output is dependent on engine speed. If the output drops to a specified level, a signal generator in the ECU is activated. Signals from the signal generator are directed to a solid state switching system which disconnects the battery from the ECU. As a result, battery consumption is controlled.