Class 123/475 - Actuated by ignition pulse

Subclass of Class 123 - Internal-combustion engines
Definition: Subject matter in which the injector valve actuating current
No. of patents: 24
Last issue date: 05/06/2008

Number	Title	Issue Date
7367321	Erroneous connection detecting method of ignition devices and apparatus of the same A method and an apparatus detect an erroneous connection between a plurality of ignition devices and a fuel injection control device. A first time interval is measured from an input of an ignition signal for a certain cylinder to an input of the next ignition signal...	05/06/2008
7243638	Fuel injection control method An injection timing for supplying a fuel by one injection per two rotations to a single-cylinder four-cycle engine of a fixed spark advance ignition system is decided on the basis of a simple system. With respect to ignition signals A1, B1, A	07/17/2007
7113862	Method and system for fuel injector time delay installation State-of-the-art fuel injectors have an inherent time delay that is determined by an elapsed time from the time an electrical signal is received by the fuel injector from an ECU to the time that fuel is actually initially injected into the cylinder. That time is cur...	09/26/2006
6895940	Hydraulic control device, system and method for controlling actuator device A supplying unit supplies energy to an actuator so that the supplied energy is kept therein, making displacement the actuator. An interrupting unit interrupts the supply of energy to cause the actuator to discharge the kept energy, making displacement the actuator. ...	05/24/2005
6626153	Fuel injection engine Provided a fuel injection industrial engine E capable of determining a fuel injection quantity and an injection timing by a simple structure. The engine E includes a fuel injector 6 for injecting a fuel into intake air; ignition coils 31 and 32 for activa...	09/30/2003
5325835	Electronic fuel injection system for engine An electronic fuel injection system for an engine with a self-triggered ignition system is provided with means for detecting the time interval between two adjacent voltage signals which are induced before and after an ignition signal in a primary winding ...	07/05/1994
4653450	Arrangement for the metering of fuel in an internal combustion engine The invention is directed to an arrangement for metering fuel to a spark-ignition internal combustion engine equipped with a fuel injection system. The fuel metering arrangement includes a control apparatus which generates injection pulses for controlling...	03/31/1987
4640253	Electronic fuel injection control with variable injection timing In an electronic fuel injection control system for an internal combustion engine having an odd number of cylinders wherein the fuel injection is performed by supplying fuel injection valves with a fuel injection pulse signal having a duration indicative o...	02/03/1987
4543936	Sequential fuel injection sync pulse generator Sync pulses are developed in timed relation to the occurrence of an ignition event in a specified cylinder of an engine employing a concurrent discharge ignition system. Ignition voltages for compression and exhaust cylinders are distinguished on the basi...	10/01/1985
4517952	Twin ignition plug control system for an internal combustion engine A twin ignition plug control system for an internal combustion engine by which two point ignition is switched to one-point ignition only when engine load is heavy and the engine is not being warmed-up. Since the control system according to the present inv...	05/21/1985
4495924	Fuel injection control system for a direct injection type internal combustion engine A fuel injection control system for a direct injection type internal combustion engine having a plurality of fuel injection valves installed in respective combustion chambers. The fuel injection control system comprises: (a) a means for calculating start ...	01/29/1985
4463728	Engine sync pulse generator for a fuel injection system A system is described for generating an engine camshaft sync pulse having a constant predetermined crankshaft angle relation to the top dead center position of a designated one of the cylinders of the engine to enable synchronization of the fuel injection...	08/07/1984
4381752	Combined ignition control and fuel injection valve operating circuit for an internal combustion engine A combined ignition control and injection valve operating circuit has an inductor connected in (series or) parallel with the ignition coil so that it carries current whenever an output transistor of an ignition control circuit is on. A thyristor connects ...	05/03/1983
4297599	Circuit arrangement for obtaining an interference-free trigger signal especially for a fuel apportionment device in an internal combustion engine A circuit arrangement for obtaining an interference-free trigger signal such as for a fuel apportionment device from the ignition signal of an internal combustion engine, particularly one having a current-regulated final ignition stage. The output of the ...	10/27/1981
4249494	Internal combustion engine ignition systems In an internal combustion engine ignition system having a knock sensor to back-off the ignition advance at the onset of pre-ignition knocking in the engine, the sensor is activated only during a fraction of the power stroke of each piston and the activati...	02/10/1981
4180023	Electronically-controlled fuel injection system for internal combustion engine having odd numbers of cylinders An electronically-controlled fuel injection system for an internal combustion engine having odd numbers of cylinders, in which the quantity of fuel supplied to the engine cylinders is regulated by the duration of pulses of a fuel injection pulse signal ap...	12/25/1979
4095580	Pulse-actuated fuel-injection spark plug A replacement spark plug for reciprocating internal combustion engines that functions as a fuel injector and as a spark plug to provide a "stratified-charge" effect. The conventional carburetor is retained to supply the main fuel-air mixture which may be ...	06/20/1978
4067233	Intake air amount measuring system for an internal combustion engine A thermally-sensitive resistor is positioned in each of two separate passages provided in the intake pipe of an internal combustion engine, and an electric heater is positioned upstream of one of the thermally-sensitive resistors with respect to the direc...	01/10/1978
4058709	Control computer for fuel injection system A fuel injection system for multi cylinder engine employs a plurality of separate computing circuits for generating variable width control pulses to fuel injectors. Each channel actuates at least one fuel injector during more than 50% of an engine cycle. ...	11/15/1977
4055153	Fuel supply system for a rotary piston engine In a stratified combustion rotary piston engine of the Wankel-type wherein individual combustion chambers are charged with a fuel-air mixture by a fuel-air mixture supply system and air by an air supply system, a fuel supply system incorporated in said fu...	10/25/1977
4055154	Fuel supply system for a rotary piston engine In the stratified combustion rotary piston engine of the Wankel-type, wherein individual combustion chambers are charged with a relatively rich fuel-air mixture and a relatively lean fuel-air mixture or air by first and second intake systems, each system ...	10/25/1977
4055155	Fuel supply system for a rotary piston engine A fuel supply system for a rotary piston engine of the Wankel-type, adapted to supply fuel in the injection manner by varying the amount of fuel to be injected for individual combustion chambers so that the combustion of the rich or lean fuel-air mixture ...	10/25/1977
4024843	Fuel injection system for combination with internal combustion engines, having a universally connectable input trigger stage To permit connection of the input trigger stage to a wide variety of signal sources, such as different types of ignition systems (transistorized ignitions, coil-type ignitions, mechanical breaker system ignitions, and the like), a voltage divider is conne...	05/24/1977
3941100	Apparatus for producing an engine-speed signal for an electronic fuel injection system Apparatus for producing a signal representative of engine speed (RPM) for use in an electronically controlled fuel injection system. The apparatus includes means for producing a first train of pulses in which the pulse intervals are dependent upon engine ...	03/02/1976

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Class 123/475 - Actuated by ignition pulse