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Class 123/618 - Having specific trigger circuitry


Subclass of Class 123 - Internal-combustion engines
Definition: Subject matter in which the ignition system includes trigger
No. of patents: 96
Last issue date: 03/01/2011


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NumberTitleIssue Date
7895994Ignition device for plasma jet ignition plug
An ignition device for a plasma jet ignition plug is provided. A resistance for decreasing electric noises is not incorporated in a plasma jet ignition plug. A resistance of not less than 1KΩ and not more than 20KΩ is provided to a path from a spark discharge circ...
03/01/2011
7506641Ignition device
A first series circuit having an energy storage coil 21, a first diode 3, and a capacitor 6 connected between a direct current power supply E and a ground terminal GND is arranged. A second series circuit of a switching element 5 and an i...
03/24/2009
7397207Electric supercharger for vehicle
The electric supercharger includes a vehicle connector, an impulse signal generator empowered by a power source, and a signal amplifier. The vehicle connector has a positive terminal and a negative terminal for electrically connecting to an electrical source of said...
07/08/2008
7293554Ignition coil driver device with slew-rate limited dwell turn-on
A device to control the charging rate of an ignition coil for an internal combustion spark ignition engine. The device controls the turn-on rate of the primary coil by slew-rate limiting using switching devices and a Miller-effect capacitor in order to reduce second...
11/13/2007
7207325Engine ignition system having noise protection circuit
An ignition system for an internal combustion engine includes a switch circuit connected to an ignition coil to switch on or off current supplied to the ignition coil, a control circuit for providing a control signal for controlling the switch circuit based on the i...
04/24/2007
7156075Ignition method with stop switch for internal-combustion engines
For stopping an internal combustion engine, a stop switch prevents the triggering of the ignition. A controller in the ignition circuit determines the state of the stop switch by evaluating signals on the state of the internal combustion engine, corresponding inform...
01/02/2007
7095181Method and apparatus for controllably generating sparks in an ignition system or the like
An apparatus for controllably generating sparks is provided. The apparatus includes a spark generating device; at least two output stages connected to the spark generating device; means for charging energy storage devices in the output stages and at least partially ...
08/22/2006
7073346Compressor head, internal discriminator, external discriminator, manifold design for refrigerant recovery apparatus and vacuum sensor
The compressor head, internal and/or external discriminator, and manifold design in general utilize ball valves on the suction and discharge of a cylinder head in the recovery of refrigerant liquid and/or vapor. The device facilitates the flashing of liquid refriger...
07/11/2006
7049859Variable threshold comparator interface circuit
A signal processing circuit includes a comparator having a fixed and a variable reference input for detection of a positive quasi-sinusoidal waveform pulse. A signal detection circuit includes a low pass input filter, a voltage input clamp, a variable detection thre...
05/23/2006
7021299Multichannel electronic ignition device with high-voltage controller
A control circuit is connected to a plurality of driving stages. Each driving stage includes a high-voltage terminal for driving an inductive load. The control circuit is provided with a corresponding plurality of control stages. These control stages are integrated ...
04/04/2006
7007683Internal combustion engine ignition apparatus
An internal combustion engine ignition apparatus includes a switching circuit having no power supply terminal connected to a power supply such as a battery is constructed, and including an output terminal connected to an ignition coil, an input terminal for receivin...
03/07/2006
6976482Electronic ignition system for vintage automobiles
An electronic ignition system for a vintage automobile includes an ignition coil and an electronic switching circuit disposed in a coil box of the vintage automobile. The coil and electronic switching circuit are mounted within a coil box module that replaces four o...
12/20/2005
6932064Capacitor discharge ignition
A capacitor discharge ignition (CDI) system includes a trigger circuit that generates a trigger signal in synchronism with operation of an engine for discharging an ignition capacitor. A timing circuit is connected to the trigger circuit for controlling the timing o...
08/23/2005
6792926Ignition system for an internal combustion engine
An ignition system (1, 2, 41) for an internal combustion engine is provided with an outlet for electric activation of an ignition element (9) for a combustion element in an internal combustion engine, an energy accumulator (3) for accumulating t...
09/21/2004
6736102Method for operating an internal combustion engine and corresponding arrangement
A method for operating an internal combustion engine and a corresponding device are described, in which reference pulses are generated synchronously with respect to the cyclical movement of at least one part of the internal combustion engine. At least one event mome...
05/18/2004
6629520Ignition apparatus for internal combustion engine
In an engine igniter 1, when a spark-discharge duration time Tc calculated on the basis of operation conditions of an internal combustion engine has elapsed after generation of spark discharge by an ignition coil 13, an electricity-supply resumption circu...
10/07/2003
6609507Second strike ignition system
A supplementary ignition system in an internal combustion engine having an induction coil ignition systems of the type in which a first spark signal is generated to provide a single second spark signal a predetermined time after the start of the first spa...
08/26/2003
6588407Discharge ignition apparatus for internal combustion engine having automatic spark advance
A capacitive discharge ignition apparatus provides spark advance with engine speed. The ignition apparatus includes triggering circuitry connected to the primary coil of the high voltage transformer. The triggering circuitry produces a triggering signal b...
07/08/2003
6526953Ignition unit for internal combustion engine
For minimizing spark energy and improving durability of a spark plug (13) without controlling a time for energizing a primary wiring (L1); the ignition unit (1,2 and 3) for an internal combustion engine is arranged in that actions of a transistor (17) are...
03/04/2003
6131555System for controlling ignition energy of an internal combustion engine
A system for controlling ignition energy of an internal combustion engine includes an ignition coil having a primary coil and a secondary coil coupled to first and second electrodes of an ignition plug defining a spark gap therebetween, wherein the primar...
10/17/2000
6035838Controlled energy ignition system for an internal combustion engine
A controlled energy ignition system for an internal combustion engine includes an ignition coil having a primary coil and a secondary coil coupled to first and second electrodes of an ignition plug defining a spark gap therebetween, wherein the primary co...
03/14/2000
5842456Programmed multi-firing and duty cycling for a coil-on-plug ignition system with knock detection
An ignition system for multi-firing a spark plug of a spark ignition internal combustion engine and for detecting auto-ignition utilizing the spark plug as a feedback element. The ignition system includes a pulse transformer connected to a spark plug, a d...
12/01/1998
5815827Crank angle signal processing apparatus
The present invention relates to a circuit for processing internal combustion engine crank angle sensor signals. The construction is such that an output side circuit of a crank angle sensor outputs a crank angle signal with a high level pulse generated in...
09/29/1998
5510952Ignition system using multiple gated switches with variable discharge energy levels and rates
An ignition system for a gas turbine engine includes a plurality of igniters, an energy storage capacitance, a charging circuit for charging the capacitance, a plurality of gated switches, with at least one switch connected between each igniter and the ca...
04/23/1996
5109827Ignition apparatus for an internal combustion engine
An ignition apparatus for an internal combustion engine is provided which is simple in the circuit arrangement and highly reliable in operation. An electromagnetic pickup coil generates an ignition signal having a magnitude proportional to the number of r...
05/05/1992
5070853Ignition device for an internal combustion engine
An ignition device for an internal combustion engine comprises an ignition signal generator whose output signal has a magnitude corresponding to the engine rpms and is in synchronism therewith, a d.c. bias circuit 3 having a predetermined construction and...
12/10/1991
5058543Electronic ignition module
An electronic ignition module for an internal-combustion engine that is supplied with sparking energy from a rotating magnet includes a switchable semiconductor device through which current in the primary of an ignition coil is to be conducted. A portion ...
10/22/1991
5018493Engine spark control apparatus
This disclosure relates to apparatus for operating a combustion engine by controlling the spark ignition voltage to said engine. Said control is created by the application of two opposing currents to the input of an amplifying device which is used to sele...
05/28/1991
5014675Ignition apparatus for an internal combustion engine
An ignition apparatus for an engine reduces the duty cycle of a power transistor circuit for controlling the primary winding current of an ignition coil over the entire operating range of the engine including low and high speeds. In one embodiment, a sign...
05/14/1991
5003946Engine spark control apparatus
This disclosure relates to apparatus for operating a combustion engine by controlling the spark ignition voltage to said engine. Said control is created by the application of two opposing currents to the input of an amplifying device which is used to sele...
04/02/1991
4953520Ignition apparatus of internal combustion engine
An ignition apparatus of an internal combustion engine includes a detecting circuit for detecting a state of the engine in which reverse rotation is taking place, and an ignition blocking circuit for blocking the generation of ignition sparks when such re...
09/04/1990
4862863Electronic ignition apparatus including ignition-noise making signal generator
In an electronic ignition apparatus, there are provided an ignition signal generator, an ignition circuit, an ignition-noise masking signal generator, a switching transistor and an ignition coil. The ignition signal of the ignition signal generator is sup...
09/05/1989
4821702Engine spark control apparatus
This disclosure relates to apparatus for operating a combustion engine by controlling the spark ignition voltage to said engine. Said control is created by the application of two opposing currents to the input of an amplifying device which is used to sele...
04/18/1989
4774924Engine spark control apparatus
This disclosure relates to apparatus for operating a combustion engine by controlling the spark ignition voltage to said engine. Said control is created by the application of two opposing currents to the input of an amplifying device which is used to sele...
10/04/1988
4718394Ignition device for an internal combustion engine
An ignition device for an internal combustion engine comprises a generating coil, an ignition circuit including an ignition capacitor, a signalling coil connected to the ignition circuit, and a switching means which renders the ignition signal to become i...
01/12/1988
4688538Rapid pulsed multiple pulse ignition and high efficiency power inverter with controlled output characteristics
A versatile rapid pulsing multiple pulse ignition controller (17) used in conjunction with an converter power supply (13) with a voltage sensor/controller (16) and with an ignition coil (3) and energy capacitor (4) comprising an ignition system providing ...
08/25/1987
4676218Electronic system for the production of a signal synchronous with an internal combustion engine ignition signal
This system includes hysteresis comparison means (6, 9) whose output goes from a first state to a second state when the voltage of the ignition signal (SA) passes a predetermined high threshold and returns from the second state to the first sta...
06/30/1987
4658788Ignition system for internal combustion engines
In an ignition system for an internal combustion engine, a signal generator generates a given ac signal in synchronism with the rotation of the engine and a waveform reshaping circuit reshapes the waveform of the ac signal from the signal generator thus g...
04/21/1987
4644927Engine ignition timing control device
Arithmetic operations of an ignition timing are carried out in an ignition timing operation circuit on the basis of an output signal from a signal generating means which generates signals for establishing the ignition timing to thereby obtain an advance a...
02/24/1987
4619241High-energy ignition device
An high-energy ignition device having an igniter coil adapted to produce a high voltage for allowing an electric discharge between electrodes of a sparking plug in accordance with the output from an ignition circuit, and a DC-DC converter adapted to produ...
10/28/1986
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