| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 123596000 | Using capacitive storage and discharge for spark energy | 21 |
| 20090007893 | PLASMA IGNITION SYSTEM - A plasma ignition system includes an ignition plug attached to an engine and having a center electrode, a ground electrode, and a discharge space, a discharge power source circuit, a plasma generation power source circuit, a resistance element between the discharge power source circuit and the center electrode, a rectifying device between the plasma generation power source circuit and the center electrode, and an element receiving portion in a periphery of the center electrode. The plug puts gas in the discharge space into a plasma state to ignite a fuel/air mixture in the engine, as a result of application of high voltage to the plug by the discharge power source circuit and supply of high current to the plug by the plasma generation power source circuit. The resistance element and the rectifying device are placed in the receiving portion. | 01-08-2009 |
| 20100288250 | IGNITION ENHANCER FOR A VEHICLE ENGINE - An ignition enhancer for a vehicle engine is installed between a conducting wire of a high voltage coil and a plug connector, provided with a capacitor, two conducting rods respectively extended outward from two ends of the capacitor, an insulation sleeve wrapping around the capacitor and filled with a waterproof resin to fully surround the capacitor, and two engaging grooves respectively formed in two ends of the insulation sleeve. Thus, with the conducting rods inserted in a core of the conducting wire of the high voltage coil and the plug connector respectively, the capacitor, storing an electric charge, is able to stabilize voltage and fulfill filtering to strengthen ignition power after starting a vehicle engine, not only advancing combustion efficiency to lower carbonization but also augmenting engine power. | 11-18-2010 |
| 20110297131 | IGNITION APPARATUS OF PLASMA JET IGNITION PLUG - A current of sufficient size to form plasma at ignition of a plasma jet ignition plug flows to a spark discharge gap while suppressing noise occurrence. | 12-08-2011 |
| 20130192570 | IGNITION APPARATUS FOR AN INTERNAL COMBUSTION ENGINE - An ignition apparatus is provided with a Zener diode as a limiter device, which limits a primary voltage of an ignition coil to be less than a Zener voltage, and a switching circuit, which prohibits a limiter function of the Zener diode at a start of discharge and switches the limiter device to perform the limiter function for a predetermined time period following the start of discharge. A secondary voltage is limited to be more than a secondary limit value. Even when blowout arises in discharging, re-discharging is avoided from arising immediately after the blowout and exhaustion of a spark plug caused by repetition of discharging is avoided. | 08-01-2013 |
| 123597000 | Regulating sensed ignition capacitor voltage | 3 |
| 20110186022 | SYSTEM AND METHOD FOR CONTROLLING COMBUSTION - A system, in one embodiment, includes a combustion-based system having a combustion chamber. The system also includes an ignition control system. The ignition control system includes an ignition device coupled to the combustion chamber, control circuitry having an energy storage device configured to supply energy to the ignition device to produce an ignition event having a desired energy level, and a controller configured to obtain a target voltage across the energy storage device and to discharge an ignition energy from the energy storage device after obtaining the target voltage, wherein the ignition control system is configured to supply the ignition energy to the ignition device to produce the ignition event. | 08-04-2011 |
| 20120060804 | IGNITION DEVICE FOR INTERNAL COMBUSTION ENGINE - A power circuit, which supplies plasma energy to a spark plug, includes a DC/DC converter which charges a tank capacitor, a voltage limiting circuit which restricts an output voltage of the converter to a predetermined value, a PJ capacitor which is connected to the output side of the converter and is charged by the tank capacitor, and a high breakdown voltage switch which is connected between the PJ capacitor and the DC/DC converter and controls a charging time period of the PJ capacitor in response to operating conditions of an internal combustion engine; and the power circuit switches a voltage limiting value of the tank capacitor for charging the PJ capacitor in synchronization with a driving signal of the high breakdown voltage switch. | 03-15-2012 |
| 20130327305 | CAPACITOR DISCHARGE COIL CONVERTER FOR USE WITH DIGITAL INDUCTIVE IGNITION SYSTEMS - Disclosed is a capacitive discharge coil converter for an internal combustion engine. The internal combustion engine includes a digital inductive ignition system and a plurality of capacitive discharge ignition coils. The internal combustion engine includes a capacitive discharge coil converter for each capacitive discharge ignition coil. Each capacitive discharge coil converter is electrically connected between the digital inductive ignition system and a corresponding one of the capacitive discharge ignition coils. | 12-12-2013 |
| 123598000 | Having an oscillator | 3 |
| 20100147274 | IGNITION APPARATUS FOR INTERNAL COMBUSTION ENGINE - There is obtained an ignition apparatus, for an internal combustion engine, that can make a predetermined output current flow in a stable manner so that the combustion state of the internal combustion engine can always be maintained in a good condition, even in the case where the voltage of the power source connected with the energy storing coil fluctuates. There are provided an energy storing coil ( | 06-17-2010 |
| 20110297132 | METHOD FOR IGNITING A FUEL/AIR MIXTURE OF A COMBUSTION CHAMBER, IN PARTICULAR IN AN INTERNAL COMBUSTION ENGINE, BY CREATING A CORONA DISCHARGE - Method for igniting a fuel/air mixture in a cyclically operating internal combustion engine comprising combustion chambers which are delimited by walls that are at ground potential, using an ignition device comprising an ignition electrode provided in each combustion chamber, in which method, via an electrical DC/AC converter, an electric oscillating circuit is excited, which is connected to the secondary side of the DC/AC converter, and in which the ignition electrode, which is guided through one of the walls delimiting the combustion chamber in a manner in which it is electrically insulated from said walls by an insulator and extends into the combustion chamber, constitutes a capacitance in cooperation with the walls of the combustion chamber that are at ground potential, and in which the excitation of the oscillating circuit is controlled so a corona discharge igniting the fuel/air mixture is created in each combustion chamber at the ignition electrode. | 12-08-2011 |
| 20120260898 | Method for Igniting a Fuel-Air Mixture of a Combustion Chamber, Particularly in an Internal Combustion Engine by Generating a Corona Discharge - The invention relates to a method for igniting a fuel-air mixture in an internal combustion engine. An electric transformer excites an oscillating circuit connected to a secondary winding of the transformer. A capacitor is formed by an ignition electrode together with the wall of a combustion chamber through which it extends. The excitation of the oscillating circuit is controlled by generating a corona discharge igniting the fuel-air mixture. Before each ignition time the voltage applied to a primary winding of the transformer is incrementally increased, and the intensity of the current flowing in the primary winding is measured repeatedly at the same primary voltage. The variation of the values of the related primary current is determined, and the incremental increase in the primary voltage is aborted at a value thereof at which the variation of the primary current intensity reaches or exceeds a predetermined limit. | 10-18-2012 |
| 123599000 | Having a magneto | 3 |
| 20130112180 | IGNITION DEVICE FOR A TWO-STROKE ENGINE - The invention relates to an ignition device for triggering an ignition spark at a spark plug by way of an ignition generator. The latter includes a magnet wheel, which has two permanent magnets arranged at a spacing from each other in the peripheral direction and a magnetic yoke. The magnetic yoke carries a charging coil which charges an ignition capacitor, a primary coil and a secondary coil, connected, to the spark plug. During every passing of a permanent magnet, a voltage is induced in the coils, wherein, in order to trigger the ignition spark, the ignition capacitor is discharged via a switch element. In order to avoid an unwanted ignition at the bottom dead center of the piston, a device for reducing the voltage that occurs at the spark plug is provided. | 05-09-2013 |
| 20160377009 | INTEGRATED IGNITION AND ELECTRONIC AUTO-CHOKE MODULE FOR AN INTERNAL COMBUSTION ENGINE - An integrated ignition and electronic auto-choke module for an internal combustion engine and an internal combustion engine including the same. In one aspect, the module includes a housing that is configured to be mounted to an engine block of an internal combustion engine. The housing may contain at least a portion of a first temperature sensor that measures a first temperature indicative of an engine temperature. The housing may also contain a controller and at least a portion of an ignition circuit. The controller may be coupled to the first temperature sensor and configured to determine a starting position of a choke valve based on the first temperature and operate an actuator to move the choke valve into the starting position accordingly. | 12-29-2016 |
| 123601000 | Specific design of charge or trigger winding core | 1 |
| 20090084368 | IGNITION SYSTEM, EASY TO START FOR INTERNAL COMBUSTION ENGINES - Electrical ignition method for combustion engines through the use of an arrangement of several coils and a magnet wheel or magnet generator which rotates synchronously with the combustion engine, where the magnetic field of the magnet generator intermittently flows through the coils and therein generates a sequence of magnetic flux changes per revolution, whereby a sequence of corresponding alternating voltage half-waves is induced in the coils, which are used
| 04-02-2009 |
| 123604000 | Inductive capacitive discharge system | 2 |
| 20090050122 | INDUCTION DRIVEN IGNITION SYSTEM - An induction driven ignition system with an electrode projecting into the combustion chamber of a reciprocating internal combustion engine. The electrode is adjacent to but electrically insulated from an electrical conductor which receives current at frequencies between 100 kHz to 500 kHz. Thermal insulation is also provided between the electrode and adjacent structure of the head. The induction driven ignition system causes the electrodes to rapidly and accurately heat up to very high temperatures. The electrodes may be formed in elongated edges throughout the combustion chamber to provide combustion initiation over a wide area. | 02-26-2009 |
| 20160102648 | IGNITION CONTROL APPARATUS - An ignition control apparatus for engines is provided. The ignition control apparatus is designed to control a switch to release energy stored in a capacitor during spark discharge, thereby supplying a primary current to an other end side opposite a one end of a primary winding of an ignition coil connected to a dc power supply. This provides the ignition control apparatus which is capable of minimizing an increase in size or manufacturing cost and stabilizing the state of combustion of an air-fuel mixture. | 04-14-2016 |
| 123605000 | Having a specific capacitor, ignition coil means, or switching element circuit path | 6 |
| 20080257322 | Capacitor-discharge ignition system for internal combustion engine - In a capacitor-discharge ignition system for an internal combustion engine having a power generation coil, a capacitor connected to the power generation coil, an ignition coil having a primary winding connected to the capacitor through a thyristor and a secondary winding connected to a spark plug, and a microprocessor which turns on the thyristor at a predetermined crank angular position to produce ignition in the spark plug, an engine stop switch is installed to input an engine-stop command signal to the microprocessor when being turned off by the operator. With this, it becomes possible to surely stop the engine at any time if desired. | 10-23-2008 |
| 20090194082 | TRANSISTOR TYPE IGNITION APPARATUS FOR INTERNAL COMBUSTION ENGINE - The present invention provides a transistor type ignition apparatus suitable for a gas engine in which high voltage output can be obtained with low input electricity. The ignition apparatus includes an ignition coil | 08-06-2009 |
| 20100031942 | Silicon-Controlled Rectifier Shut-Off Circuit for Capacitive Discharge Ignition System - A capacitive discharge ignition system for an internal combustion engine and for use with a generator powered current source comprises a storage capacitor, at least one power thyristor for discharging the storage capacitor to transfer energy to at least one coil triggered in synchronism with an internal combustion engine with which the ignition system may be associated. A triggering circuit biases the power thyristor to discharge the storage capacitor. A shut-off circuit comprises a solid state device for switching the output of the generator to ground interrupting the flow of current to the power thyristor. A circuit sensing current flow in the triggering circuit generates a control and gates the solid state device into conduction in response to the control signal. | 02-11-2010 |
| 20110000471 | CONTROL CIRCUIT FOR CAPACITOR DISCHARGE IGNITION SYSTEM - A control circuit for use with an ignition system of a light-duty combustion engine. In one embodiment, the control circuit includes a charging circuit, a timing circuit and a shut down circuit that includes a manual stop switch. Activation of the manual stop switch causes the control circuit to shut down the engine, and can do so even if the manual stop switch is only momentarily engaged by the operator. | 01-06-2011 |
| 20140165978 | IGNITION COIL - An ignition coil for an internal combustion engine includes a magnetically-permeable core a primary winding disposed outward of the core, and a secondary winding disposed outward of the primary winding and inductively coupled to the primary winding. The secondary winding has a left secondary winding section and right secondary winding section. A first end of the left secondary winding section is in electrical contact with a first terminal for delivering a first spark-generating current to a first spark plug. A first end of the right secondary winding section is in electrical contact with a second terminal for delivering a second spark-generating current to a second spark plug. A second end of the first secondary winding and a second end of a the second secondary winding is connected to a third terminal for delivering a third spark-generating current to a third spark plug. | 06-19-2014 |
| 20160146176 | IGNITION CONTROL DEVICE - An ignition control device includes a control unit to control first to third switching elements so that during ignition discharge, which is started by turning off the first switching element, energy stored on a capacitor is discharged by turning off the third switching element and turning on the second switching element for supplying a primary current to an end of a primary winding opposite to an end thereof connected to a direct-current power supply. During inductive discharge of a spark plug, the control unit non-intermittently turns on the second switching element so that the second switching element is turned on over a successive energy input time period, according to the operating conditions of an internal combustion engine. | 05-26-2016 |
