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| Number | Title | Issue Date |
| 8149563 | Ignition circuit An ignition circuit includes a system power supply, an ignition coil, a delay unit, a first switch unit, and a second switch unit. When the system power supply is powered on, the second switch unit is turned on, the ignition coil is powered on. After a delay time, t... | 04/03/2012 |
| 7961452 | Semiconductor photoelectrode, method for manufacturing the same, and light energy converting device The semiconductor photoelectrode of the present invention includes a metallic substrate having irregularities in a surface and a semiconductor layer which is formed on the surface of the metallic substrate and composed of a photocatalytic material. This can increase... | 06/14/2011 |
| 7355300 | Solid state turbine engine ignition exciter having elevated temperature operational capability A turbine engine ignition exciter circuit applies energy stored in the exciter tank capacitor to the load (igniter plug) through a thyristor type semiconductor switching device that minimizes leakage current at elevated operating temperatures. The semiconductor swit... | 04/08/2008 |
| 7291983 | Ballast and igniter for a lamp having larger storage capacitor than charge pump capacitor A ballast according to the present invention operates in an ignition state, a warm-up state, and a steady state for igniting and powering a lamp. The ballast comprises an igniter that ignites the lamp during the ignition state and a switching power inverter, for exa... | 11/06/2007 |
| 7193394 | Method of controlling charge and discharge of secondary battery for automatic guided vehicle To provide a method of controlling charge and discharge of a secondary battery for automatic guided vehicle that can decide the timing of refresh charge and discharge accurately and minimize the frequency of refresh charge and discharge. The method of controlling ch... | 03/20/2007 |
| 7130180 | Partitioned exciter system A partitioned exciter system for use with an igniter in an aircraft engine. The exciter has low-energy charging circuit and a high-energy discharge circuit that are remotely located from each other and that are connected by a low-energy coaxial cable. The charging c... | 10/31/2006 |
| 7107977 | Ignition apparatus for internal combustion engine An ignition apparatus for an internal combustion engine, which is controlled by a control unit, includes a connector, an ignition coil assembly, an igniter and a capacitor. The connector is electrically connected with the control unit, and includes an input terminal... | 09/19/2006 |
| 7102870 | Systems and methods for managing battery power in an electronic disabling device An electronic disabling device includes first and second electrodes positionable to establish first and second spaced apart contact points on a target having a high impedance air gap existing between at least one of the electrodes and the target. The power supply ge... | 09/05/2006 |
| 7095601 | High energy primary spark ignition system for a gas turbine engine An exciter circuit for a gas turbine engine delivers a first single high-energy spark followed by subsequent sparks of relatively lower energy to ensures start reliability by specifically clearing ice build-up at the ignition plugs. ... | 08/22/2006 |
| 6999295 | Dual operating mode electronic disabling device for generating a time-sequenced, shaped voltage output waveform An electronic disabling device includes first and second electrodes positionable to establish first and second spaced apart contact points on a target having a high impedance air gap existing between at least one of the electrodes and the target. The power supply ge... | 02/14/2006 |
| 6292347 | Electric arc generation circuit A circuit of electric arc generation from an A.C. voltage, includes circuitry for making the electric arc frequency substantially independent from possible amplitude variations of the A.C. voltage.... | 09/18/2001 |
| 6242866 | Electric gas-lighter The electronic circuit of a gas-lighter has an electronic filter inserted between the input terminals of the gas-lighter and a current-discharge generating circuit. The filter has a first pair of resistors located respectively between a first of the input... | 06/05/2001 |
| 6191536 | Solid-state ignition system using true voltage triggering A capacitive discharge ignition system is described that incorporates a two-terminal passive network for controlling the discharge of a capacitive energy storage device into an igniter plug, wherein the network comprises a solid-state switch for alternate... | 02/20/2001 |
| 6009864 | Capacitive ignition system for internal combustion engines An ignition system for use in internal combustion engines, in which there is provided a plurality of charging means, at least one of the plurality of charging means being adapted to provide charge to a plurality of charge storage means, in a predetermined... | 01/04/2000 |
| 5806504 | Hybrid ignition circuit for an internal combustion engine An ignition circuit for an internal combustion engine. The ignition circuit includes a transformer having a secondary winding for generating a spark and having first and second primary windings, a capacitor connected to the first primary winding to provid... | 09/15/1998 |
| 5654868 | Solid-state exciter circuit with two drive pulses having indendently adjustable durations A solid-state exciter circuit for establishing arc discharges in igniter devices. The exciter circuit includes first and second transformers, first and second main discharge capacitors, and first and second exciter sub-circuits for controlling the chargin... | 08/05/1997 |
| 5513618 | High performance ignition apparatus and method Apparatus and method for a plasma discharge for ignition in an internal combustion engine. A digital electronic system controls ignition performance and can provide an ignition discharge throughout an entire power stroke of a piston in a cylinder. The dis... | 05/07/1996 |
| 5506478 | AC ignition system with optimized electronic circuit In an alternating current ignition system whose ignition output stage has an ignition coil, a resonant-circuit capacitor for generating a bipolar alternating current, a semiconductor switch for controlling the primary coil current and an energy recovery d... | 04/09/1996 |
| 5473502 | Exciter with an output current multiplier An exciter for an internal combustion engine igniter plug, comprises a continuous AC charging circuit and a discharge circuit. The discharge circuit is connectable to the plug and the charging circuit includes a transformer having a primary winding connec... | 12/05/1995 |
| 5429103 | High performance ignition system Apparatus and method for a plasma discharge for ignition in an internal combustion engine. A digital electronic system controls ignition performance and can provide an ignition discharge throughout an entire power stroke of a piston in a cylinder. The dis... | 07/04/1995 |
| 5224015 | High energy ignition generator in particular for a gas turbine An ignition generator includes an energy source having a transformer, and a first circuit connected to a first secondary winding of the transformer. The first circuit includes a series connection of a first energy storage capacitor, an inductor and an ign... | 06/29/1993 |
| 5163411 | Capacitor discharge ignition apparatus for an internal combustion engine A capacitor discharging type ignition apparatus for an internal combustion engine is disclosed in which a secondary winding voltage rises quickly and has an extended spark generation time as well. The apparatus includes an electrical power source 101, an ... | 11/17/1992 |
| 5056496 | Ignition system of multispark type An ignition system of multispark type having an ignitability superior to that of a combination an ignition system of capacitor discharge type and a multispark system is disclosed. A first control signal is generated for turning on a first switching device... | 10/15/1991 |
| 5053913 | Capacitive discharge ignition exciter using SCR discharge switches An exciter circuit for a gas turbine engine ignition system. A high voltage supply continuously charges a storage capacitor. A plurality of silicon controlled rectifiers (SCRs) are connected in series between the storage capacitor and a high voltage condi... | 10/01/1991 |
| 5025498 | Apparatus for controlling the trigger sequence in ignition systems The invention relates to an apparatus for controlling the triggering sequence in capacitive ignition systems for internal combustion engines. The induction achieved by a flywheel magneto usually results in three voltage wave halves, of which two (A,B) hav... | 06/18/1991 |
| 4839772 | Capacitive discharge electronic ignition system for automobiles An apparatus for the generation of ignition voltage to a spark plug within an ingition system of an automobile includes an integrated circuit inverter for converting DC power source voltage into a high frequency voltage which is stepped-up by a transforme... | 06/13/1989 |
| 4565519 | Burner ignition system An electronic ignition system for a gas burner is battery operated. The battery voltage is applied through a DC-DC chopper to a step-up transformer to charge a capacitor which provides the ignition spark. The step-up transformer has a significant leakage ... | 01/21/1986 |
| 4561707 | Current-sheet inductor network and pulse-forming systems An electrical energy storage and transforming device and associated pulse-forming systems suitable for receiving, storing, and transforming an electrical charge to produce electrical output pulses, for example, ignition pulses for a spark-ignition interna... | 12/31/1985 |
| 4535380 | Ignition system An ignition system adapted to generate high frequency and high energy arcs between electrodes effective to initiate combustion of fuels, such as manufactured or natural gas, supplied for heating purposes to residential furnaces, appliances and the like, t... | 08/13/1985 |
| 4479467 | Multiple spark CD ignition system Disclosed herein is a multiple spark circuit for use with a capacitor discharge ignition system including a current supply, a charge capacitor, an ignition coil primary winding, and an ignition timing SCR. The multiple spark circuit includes a charge rese... | 10/30/1984 |
| 4329628 | Relaxation oscillator type spark generator A spark generator of the relaxation oscillator type operates on only one half of the cycle of the applied alternating current. By providing a gating circuit that triggers through a threshold switch means from a capacitor charge, it is possible to fire a s... | 05/11/1982 |
| 4288834 | Breakerless magneto ignition A breakerless magneto ignition system having a stator assembly including an ignition coil and core. A solid state gate turn-off switch (GTO) is connected by its anode-cathode electrodes in circuit with the primary winding of the ignition coil for conducti... | 09/08/1981 |
| 4247880 | Ignition device for oil burners An oil burner ignition circuit using a relaxation oscillator is disclosed. The step-up transformer has a tertiary winding magnetically coupled to a primary winding. The tertiary winding and a diode controls the dissipation in the circuit, and the recovery... | 01/27/1981 |
| 4203052 | Solid state ignition system A solid state ignition system for generating high frequency and high energy electrical pulses, the system providing improved performance under varying line voltage conditions, improved voltage regulation, and reduced power dissipation, and being effective... | 05/13/1980 |
| 4191912 | Distributorless ignition system A distributorless ignition system has an alternating current power source for providing power to fire the igniters. The alternating current power source is coupled through a capacitor to a plurality of ignition transformers, one transformer for each ignit... | 03/04/1980 |
| 4191911 | AC power generation control system An alternating current power source which is generally used to feed an ignition transformer primary winding may be electronically controlled so as to rapidly activate and deactivate the power source for each ignition cycle. An electronic switch intermitte... | 03/04/1980 |
| 4177782 | Ignition system providing sparks for two ignition plugs in each cylinder from a single ignition coil Two ignition plugs are provided for each cylinder of an engine. Since it is desirable that these two plugs be sparked by one ignition coil, separate output terminal of a secondary coil of the ignition coil are respectively connected to each of the two plu... | 12/11/1979 |
| 4167767 | Flame or spark detection system and combustible gas ignition device A flame detection system responsive to an arc triggering voltage in a spark gap having at least a portion located in a flame is used to control spark generating equipment. A pulse generator used to trigger the arc is inhibited upon detection of a lowered ... | 09/11/1979 |
| 4149214 | Ignition devices A hand-operated portable electric ignition device for the ignition of gas comprises within an insulating housing means for producing from a battery relatively high voltage alternating current pulses in response to the operation of a manually-operable swit... | 04/10/1979 |
| 4115832 | Igniter utilizing a negative resistance light emitting diode An oscillator utilizing a negative resistance light emitting semiconductor diode is connected in series with voltage booster means which in turn provides a high voltage to electrodes of a gas igniter. Discharge of the gas between the electrodes occurs wit... | 09/19/1978 |
