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| Number | Title | Issue Date |
| 7392798 | Multiple-spark ignition system for internal combustion engine An ignition system for an internal combustion engine includes an ignition coil, electric power supply circuit, a switching transistor, engine condition detecting element or unit that detects a signal relating to flow speed of air-fuel-mixture gas in the engine, and ... | 07/01/2008 |
| 6998846 | Ignition diagnosis using ionization signal The present feature of the invention is generally directed to a subsystem of an ignition diagnostics and feedback control system using ionization current feedback. It utilizes the ionization signal from an ionization detection circuit to monitor ignition parameters,... | 02/14/2006 |
| 6805109 | Igniter circuit with an air gap Ignition systems of the kind used to ignite a difficult-to-ignite fuel oil by using energy stored in a capacitor at a breakdown for creating an ignition arc at the electrodes of a resistive arc probe, having a semiconductor resistive film across spark electrodes of ... | 10/19/2004 |
| 6796299 | Ignition system for internal combustion engine and ignition method of fuel charged in a fuel chamber A grounding electrode 20 is electrically grounds, and a center electrode 10 to which high voltage pulse is applied that an end of the grounding electrode 20 and an end of the center electrode 10 are disposed closely. The grounding electro... | 09/28/2004 |
| 6666195 | Method for producing a sequence of high-voltage ignition sparks and high-voltage ignition device A method of generating a sequence of high-voltage ignition sparks is described, wherein an ignition energy storage device is charged up to a specifiable charge state. By a discharge of the ignition energy storage device, a spark is generated on an ignitio... | 12/23/2003 |
| 6647974 | Igniter circuit with an air gap Ignition systems of the kind used to ignite a difficult-to-ignite fuel oil by using energy stored in a capacitor at a breakdown for creating an ignition arc at the electrodes of a spark plug, designed to preclude interference of contaminants with conducti... | 11/18/2003 |
| 5828217 | Misfire detecting device for internal combustion engine A misfire detecting device for an internal combustion engine having a double-ended or single-ended distributorless ignition system is provided. The device comprises a first capacitor connected to a secondary winding side of a spark plug and in parallel to... | 10/27/1998 |
| 5642721 | Double ignition system for internal combustion engines, ignition plug for double ignition systems, and electric spark generator A double ignition spark plug has a cavity which is evacuated of substantially all gasses. The insulation portion of the spark plug is formed in two steps at a temperature of 800° to 1000° C. where the first sintering step is when the cavity is open and ... | 07/01/1997 |
| 5402766 | Ignition apparatus with a pre-gap Only one pre-gap is arranged between the ignition coil and the distributor so that it is connected in series with each of the ignition plugs in the engine. A relay device is connected in parallel with the pre-gap. The relay device is normally closed to su... | 04/04/1995 |
| 5365910 | Misfire detector for use in internal combustion engine A misfire detector for use in an internal combustion engine has an ignition coil including a primary coil and a secondary coil. An interrupter circuit is provided for on-off actuation of primary current flowing through a primary circuit of the ignition co... | 11/22/1994 |
| 5269282 | Misfire detector for use in internal combustion engine In a misfire detector for use in an internal combustion engine having an ignition coil, an electrical interrupter circuit interrupts a primary current flowing through a primary circuit of the ignition coil by which a spark plug is energized. A voltage div... | 12/14/1993 |
| 5207209 | Arrangement for improving starter behavior To improve the starting behavior of brand-new motor vehicles which, as export vehicles, have been stationary for considerable periods during a sea voyage it is proposed to insert a spark gap between the ignition coil and the distributor. When the spark ju... | 05/04/1993 |
| 5201302 | Voltage regulator tube for ignition system of internal combustion engine A voltage regulator tube for an ignition system of an internal combustion engine, comprising: a cylindrical enclosure made of electrical insulating material and formed with a hollow extending therethrough; a first metallic sealing member for sealing one o... | 04/13/1993 |
| 5179327 | High tension cable device A high tension cable device according to the present invention for use with an ignition system having a discharge tube for forming a series gap therein in an automobile engine or the like can eliminate a so-called creeping discharge which is likely to occ... | 01/12/1993 |
| 5166574 | High-tension cable device A gas-filled discharge tube in which a cylindrical protection terminal is fitted to a gas-charging pipe passed through an electrode, and the electrode, the gas-charging pipe and the protection terminal are connected by electrical conductive binder filled ... | 11/24/1992 |
| 5133328 | Built-in discharge bulb type ignition plug An ignition system has a series-gap discharge-bulb through which a high voltage is supplied to a center electrode of an ignition plug. A short-circuit element is made of a material that reversibly deforms when it is heated to a predetermined temperature w... | 07/28/1992 |
| 5080083 | Discharge device and ignition system with series gap using discharge device A discharge device of the present invention including a pair of electrodes opposingly disposed in a sealed tube is characterized by the provision of a conductive member surrounding one of the electrodes in the sealed tube. An ignition system with a series... | 01/14/1992 |
| 4996967 | Apparatus and method for generating a highly conductive channel for the flow of plasma current An apparatus and method for generating a highly conductive channel for the flow of plasma current between the electrodes of an ignitor gap device are disclosed. A high voltage transformer having a high turns ratio is used to produce a high voltage spark a... | 03/05/1991 |
| 4944280 | Separated circuit hot spark producing apparatus A spark gap producing apparatus that introduces an auxiliary gap in the electrical path between the spark source and the spark plug of an internal combustion engine is disclosed. The spark apparatus can be permanently installed such that it maintains a re... | 07/31/1990 |
| 4770152 | Ignition device for an internal combustion engine An ignition device for an internal combustion engine comprising an ignition coil adapted to produce a secondary reversible voltage, two wires commonly branched from the one end of the ignition coil, and two spark plugs connected to the wires. In each of t... | 09/13/1988 |
| 4751430 | Spark plug connector having transformer, capacitor, and spark gap In a spark plug connector for a high-voltage distributor-less high-voltage capacitor ignition system, comprising an ignition transformer and a storage capacitor connected on the secondary side to the ignition transformer, the spark plug connector is made ... | 06/14/1988 |
| 4727891 | Ignition system An ignition system having a low voltage source serving as a starting point for producing of an ignition voltage at least one ignition spark gap via at least one ignition branch, said branch including a said ignition spark gap, a high voltage capacitor, a ... | 03/01/1988 |
| 4351308 | Photoactive ionization high-tension pulsator of carburetor motor ignition system A photoactive ionization high-tension pulsator is provided between the distributor and the spark plug of a carburetor motor ignition system. The pulsator comprises tubular housing, electrodes disposed therein in spaced apart relationship, and a ring posit... | 09/28/1982 |
| 4351310 | Ignition coil with overvoltage protection connected to the secondary winding of the ignition coil An overvoltage protection circuit is galvanically, directly connected across at least part of the secondary winding in the ignition system of an internal combustion engine. The input portion of the overvoltage protection circuit is a voltage divider prefe... | 09/28/1982 |
| 4317068 | Plasma jet ignition system An improvement on conventional internal combustion ignition systems, which improvement comprises a capacitor connected parallel to the secondary winding of the ignition transformer, and a bypass circuit through which energy stored in the primary circuit i... | 02/23/1982 |
| 4301782 | Ignition system An apparatus for producing spark ignition of an internal combustion engine is disclosed including a spark generator which supplies spark generating pulses to spark plugs of the engine. The spark produced by each pulse is sustained after the pulse has died... | 11/24/1981 |
| 4267803 | Discharge device ignition system An ignition system for a multi-cylinder engine having a distributor shaft for timing the ignition, a plurality of spark plugs and a means of producing a high voltage signal for firing the spark plugs, including: a discharge device interconnected between t... | 05/19/1981 |
| 4047513 | Ignition system with gas discharge tube circuit A circuit for use in an ignition system for an internal combustion engine which includes an electronic switch for control of the charging and discharging of an ignition coil with a capacitive controlled gas discharge tube circuit to provide protection for... | 09/13/1977 |
| 4046127 | Spark boosting device The invention comprises a spark booster for use in the ignition system of an internal combustion engine. Two embodiments of the invention are disclosed. Each embodiment comprises two electrically conductive members which are spaced from each other to defi... | 09/06/1977 |
| 4039787 | Distributor for internal combustion engine containing apparatus for suppressing noise A distributor containing an apparatus for suppressing noise is described, comprising a first discharging gap and a second discharging gap which exists close to the first discharging gap both of which are located between the electrodes of a distributor rot... | 08/02/1977 |
| 3951144 | Motor ignition distribution system with controllable auxiliary gaps Auxiliary spark gaps with magnetically or electromagnetically controllable gap spacing and gas-filled envelopes are used for distributing ignition pulses to the sparkplugs of a multicylinder internal combustion engine. A moving permanent magnet sequential... | 04/20/1976 |
