| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 123620000 | Additional spark energy supply | 9 |
| 20090056685 | METHOD AND APPARATUS FOR RAISING THE SPARK ENERGY IN CAPACITIVE IGNITION SYSTEMS - The present invention refers to an apparatus for raising the spark energy in capacitive ignition systems comprising at least one charge winding (L | 03-05-2009 |
| 20100206277 | PLASMA IGNITION DEVICE - The plasma ignition device includes an ignition plug, a breakdown discharge circuit configured to apply a high voltage to the ignition plug to cause a breakdown discharge in a discharge space in the ignition plug, and a plasma discharge circuit configured to accumulate electric energy supplied from a power supply and applies the accumulated electric energy to the ignition plug as a current to bring a gas in the discharge space into a plasma state so that the gas in the plasma state is injected to a combustion chamber of an combustion engine during the breakdown discharge in order to cause ignition. The plasma discharge circuit includes an energy accumulating section, and an energy supplying section configured to supply the electric energy to the energy accumulating section during a short time period immediately before the breakdown discharge circuit applies the first voltage to the ignition plug. | 08-19-2010 |
| 20110239998 | PLASMA IGNITION DEVICE - A plasma power supply circuit includes a DC/DC converter connected to a DC power supply and outputting a DC voltage, a voltage limit circuit limiting an output voltage from the DC/DC converter to a predetermined value, a PJ capacitor connected to an output end of the DC/DC converter and charged with electric energy used to generate a plasma in a discharge space of the spark plug, and a high-voltage switch connected between the PJ capacitor and the DC/DC converter and controlled to switch ON and OFF so that a charge period of the PJ capacitor is controlled according to running conditions of the internal combustion engine. Hence, the plasma ignition device can prevent damage on an electronic component incorporated therein even at the occurrence of a short and lessen damage on the internal combustion engine caused by an erroneous plasma jet ejection, wearing of the spark plug, and power consumption. | 10-06-2011 |
| 20110253115 | PLASMA IGNITION SYSTEM - To provide a plasma ignition system that can prevent damage on an internal combustion engine due to erroneous ejection of a plasma jet, and further, even when the required voltage of an ignition plug becomes lower, can prevent erroneous ignition by the charged voltage of a PJ capacitor. A plasma power supply circuit of the plasma ignition system includes a voltage-limiting circuit having a first set voltage having an absolute value lower relative to the discharge voltage of the ignition coil, and a second set voltage having an absolute value higher relative to the discharge voltage of the ignition coil, and the first set voltage and the second set voltage are selectively switched according to an operation condition of the internal combustion engine. | 10-20-2011 |
| 20110303201 | Spark intensifier system - Disclosed is a spark plug arc intensifier system that influences the arc of the spark plug at any given performance of the gasoline engine. The intensifier system consists of a microcomputer that applies an additional signal to the lead-in wire coming from the transformer coil of the engine to influence the intensity of arc of the spark plug. This system results in a complete burning of the air/fuel mixture that is prevalent at the time of combustion. This system then results in a cleaner environment, less fuel consumption and a more powerful performance of the engine. | 12-15-2011 |
| 20120097140 | CONTROL METHOD AND SPARK PLUG FOR SPARK -IGNITED INTERNAL COMBUSTION ENGINE - A control method for a spark-ignited internal combustion engine includes generating plasma by interacting an electric field generated in a combustion chamber by electric field generation means with spark discharge caused by a spark plug, and igniting an air-fuel mixture, wherein the electric field generated by the electric field generation means is set to an intensity weaker than that of an electric field generated by the spark plug when the spark discharge is caused, and set to an intensity at which discharge into the combustion chamber is disabled, and the air-fuel mixture can be securely ignited and combusted at an intended ignition timing and at a position of the spark plug. | 04-26-2012 |
| 20130104862 | Enhanced Combustion for Spark Ignition Engine Using Electromagnetic Energy Coupling | 05-02-2013 |
| 20140090628 | INTERNAL COMBUSTION ENGINE IGNITION APPARATUS - A resonance inductor is connected with a charging path through which an ignition condenser is charged; a first switching device controls charging of the ignition condenser; discharging of the ignition condenser is controlled by a second switching device whose collector terminal is connected with the other end of the primary coil of an ignition coil unit and whose emitter terminal is connected with the negative-polarity terminal of the ignition condenser; a clamp diode is connected between the one end of the primary coil and the collector terminal of the second switching device. | 04-03-2014 |
| 20160084215 | IGNITION APPARATUS - An ignition apparatus includes an adjuster. The adjuster adjusts, according to at least one of a primary voltage and a secondary voltage detected by a voltage detector, at least one of an application timing and an application level of auxiliary electrical energy to an ignition coil while main electrical energy is applied to a spark plug by the ignition coil. The application timing includes whether the auxiliary electrical energy is applied to the ignition coil. | 03-24-2016 |
