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| Number | Title | Issue Date |
| 7353813 | Spark ignition engine, controller for use in the engine, ignition coil for use in the engine An engine generating two or more ignition sparks by the same spark plug, which can avoid a torque reduction caused by misfire of main ignition, can start firing and burning at proper timing depending on operating conditions, and can reduce misfires. A novel controll... | 04/08/2008 |
| 7303104 | Power generator of nail drive A power generator of a nail drive comprises a body; a cylinder in the body; a plug in the cylinder; a plug in the cylinder; and a magnetic element on the plug. The movement of the plug will drive the magnetic element to pass through the induction coil so that the in... | 12/04/2007 |
| 7176731 | Variation tolerant charge leakage correction circuit for phase locked loops The present invention provides for compensation of leakage charge in a PLL. A first plurality and second plurality of charge pumps has a source charge pump and a sink charge pump, and each charge pump has its own switch. A first node is coupled between at least one ... | 02/13/2007 |
| 7121270 | Spark generation method and ignition system using same An ignition system providing power and duration controlled ignition spark, comprises a spark controller, first switching energy accumulator, storage capacitor, and second switching energy accumulator with an ignition coil. The ignition system utilizes dual means of ... | 10/17/2006 |
| 7021299 | Multichannel 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 |
| 6947831 | Pressure sensor diagnosis via a computer A method is described for controlling regeneration of a particulate filter based on at least a sensor, such as a differential pressure sensor. Degradation of the sensor is then detected in a variety of ways. One approach takes advantage of the slowly varying flow re... | 09/20/2005 |
| 6837229 | Ignition device for internal combustion engine The ignition device for an internal combustion engine includes two spark plugs provided for each cylinder, ignition coils arranged independently to each of the spark plugs, an ignition power source circuit for supplying electrical energy to first coils which constit... | 01/04/2005 |
| 6705302 | Ignition device for an internal combustion engine An ignition device for an internal combustion engine having multiple cylinders and direct gasoline injection is described, so that the secondary current conduction time of the ignition coil can be prolonged controllably without increasing the primary current. At lea... | 03/16/2004 |
| 6675784 | Engine ignition system having fail-safe function In an engine ignition system having a fail-safe function, a battery, a coil and a transistor are connected in series. A capacitor is connected to the coil by way of a diode. The capacitor, a primary winding of an ignition coil and a transistor are connect... | 01/13/2004 |
| 6123063 | Stacker ignition system Ignition system componentry which may be coupled or stacked with a conventional high energy ignition system with an ignition storage capacitor coupled to the ignition coil including an electronic controller provided as responsive to the current flow throu... | 09/26/2000 |
| 5954037 | Redundant magneto for race car The present invention is directed to a magneto having two sets of primary windings and no secondary windings which will allow the magneto to function as an ignition source even though one set of primary windings fail. Each primary winding provides current... | 09/21/1999 |
| 5791320 | Engine ignition system An engine ignition system includes spark plugs having two high voltage electrodes connected to separate high voltage sources. Should one voltage source fail, the engine will continue to fire with sparks generated by the other high voltage source. The inve... | 08/11/1998 |
| 5727534 | Misfire detecting device for multi-cylinder internal combustion engine A misfire detecting device for a multi-cylinder internal combustion engine is provided. The misfire detecting device comprises high voltage pulse producing means for producing, after spark discharge of a spark plug, a high voltage pulse which is not so hi... | 03/17/1998 |
| 5724938 | Ignition system for a two cycle engine The present invention relates to ignition systems for internal combustion engines and, in particular, to a spark ignition system specifically adapted for two-cycle engines. An ignition system is provided which is able to avoid ignition plug smolder and el... | 03/10/1998 |
| 5713338 | Redundant ignition system for internal combustion engine A redundant ignition system for an internal combustion engine is provided. When the internal combustion system is a waste spark system, opposite ends of first and second secondary windings of first and second coils, are coupled, respectively, to first and... | 02/03/1998 |
| 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 |
| 5544633 | Magneto with dual mode operation An ignition system is provided for an internal combustion engine that operates in two modes. In a first mode, the timing of the spark event is under electronic control. In a second mode, the timing of the spark event is fixed and synchronized to the mecha... | 08/13/1996 |
| 5331935 | Auxiliary ignition system and method for aircraft engines An auxiliary ignition system comprising a first magneto having a normal operating mode and a start-up mode, and a second magneto having a normal operating mode and a start-up mode. A primary starter switch is operably wired to the first and second magneto... | 07/26/1994 |
| 5247919 | Ignition system for an engine An ignition system has a burn sensor detects the condition of the burn of the fuel so that the ignition system stops supplying the current to the ignition plug when the burn of the fuel is detected. On the other hand, if the burn of the fuel is not suffic... | 09/28/1993 |
| 5228425 | Ignition system for internal combustion engine An inductive discharge ignition system for an internal combustion engine uses two ignition transformers with their associated circuitry. One transformer is employed in a Kettering type high voltage system. The other transformer is used in a low voltage hi... | 07/20/1993 |
| 5193515 | Ignition system for an engine An ignition system for two ignition current circuits including a condenser to supply the ignition current to the plug. The ignition current circuits provide the ignition current to the plug alternately in response to an ignition timing signal so that the ... | 03/16/1993 |
| 5140970 | Ignition controlling device An ignition controlling device includes a spark plug, a first ignition coil for supplying an ignition current to the spark plug, a second ignition coil for supplying an ignition current to the spark plug and a controller for controlling the supplies of th... | 08/25/1992 |
| 5111798 | Transistor ignition circuit The present invention discloses a multiple spark transistor ignition circuit which is able to provide negligible retardation of ignition time, and/or prevent ignition with reverse rotation and/or provide an additional advanced spark and/or govern maximum ... | 05/12/1992 |
| 5044348 | Igniter for an internal combustion engine An igniter for an internal combustion engine has a plurality of drive circuits for generating an ignition voltage in the secondary winding of an ignition coil. A high-voltage diode is connected in series between the secondary winding of the ignition coil ... | 09/03/1991 |
| 5044328 | Ignition device for internal combustion engine An ignition device for an internal combustion engine comprises an ignition coil unit including a core a primary coil wound around said core, a secondary coil electro-magnetically coupled to the primary coil, a case for housing the core, the primary coil a... | 09/03/1991 |
| 4996964 | Backup apparatus for ignition and fuel system A backup apparatus for ignition and fuel system provided with an ignition system backup circuit and a fuel system backup circuit to be used in case of a breakdown of a main circuit. The fuel system backup circuit outputs a drive signal to a fuel injection... | 03/05/1991 |
| 4953519 | Dual contact ignition system for motocycle internal combustion engine An ignition system for a motorcyle two cylinder internal combustion engine includes magnetically coupled primary and secondary coils, spark plugs at the cylinders, a source of electrical current, and first and second pairs of contacts respectively control... | 09/04/1990 |
| 4889097 | Electronic fuel control device and method An electronic fuel control device is used to activate a fuel system carried on board a motor vehicle independently of a computer system carried on board the vehicle. The fuel control device embodies an electrical circuit to create an output of a series of... | 12/26/1989 |
| 4858586 | Method and device for igniting engines The present invention relates to an improved method and device for igniting engines of automobiles and the like, and more particularly for igniting the engines by applying the same secondary high voltage polarity to all of the spark plugs under each of bo... | 08/22/1989 |
| 4836176 | Ignition apparatus of electronic distribution type for multi-cylinder internal combustion engine An ignition apparatus of electronic distribution type for a multi-cylinder internal combustion engine, comprising a plurality of ignition circuits each having an ignition coil and a power switching element for one or two cylinders of a multi-cylinder inte... | 06/06/1989 |
| 4702222 | Ignition system for multi-cylinder 4 cycle engine An ignition system for four cycle engines generates a first pulse when the crankshaft revolves by a first setting angle from a base position. The second pulse is generated when the crankshaft revolves to a second setting angle which is larger than the fir... | 10/27/1987 |
| 4664092 | Distributorless ignition system for a five cylinder four stroke internal combustion engine The ignition system of a five-cylinder gasoline engine utilizes two ignition coils, each serving two cylinders which are fired at instants of the firing sequence which are separated by the firing of one of the cylinders served by the other of these igniti... | 05/12/1987 |
| 4562822 | Ignition system for an internal combustion engine An ignition system for an internal combustion engine comprises a voltage boosting means which generates a high DC voltage by boosting a low DC voltage, a capacitor which charges the high DC voltage from the voltage boosting means, and ignition coil means ... | 01/07/1986 |
| 4558685 | Engine ignition device There is provided an engine ignition device which generates a high voltage in the secondary windings of the ignition coil through switching on and off of the electric current flowing in the primary windings by means of an ignition circuit. The generated h... | 12/17/1985 |
| 4552102 | System for improving the starting of diesel engines in cold weather A system for improving the starting of indirect and direct injection diesel engines in cold weather, including glowplugs powered by a source of electrical potential for heating the diesel fuel and circuitry for controlling the operation of the glowplugs.... | 11/12/1985 |
| 4528972 | Emergency ignition device for thermal engines with controlled ignition An emergency ignition device for thermal engines with controlled ignition comprises an oscillator connected to a stabilized electrical supply and whose output is connected to a power transistor connected in series with the primary winding of the ignition ... | 07/16/1985 |
| 4493307 | Advance control for breakerless ignition system A breakerless ignition system in which an electronic advance circuit (30) generates an electrical trigger signal (SPKE) and a mechanical advance circuit generates a mechanical trigger signal (PCP). The mechanical trigger signal (PCP) and electrical trigge... | 01/15/1985 |
| 4493306 | Enhanced spark energy distributorless ignition system (B) A distributorless ignition system of an internal combustion engine has a supplementary spark energy module to increase spark energy. Two ignition coils each have secondary coils with split secondary center taps. Each of the primary windings is coupled to ... | 01/15/1985 |
| 4478201 | Enhanced spark energy distributorless ignition system (A) A distributorless ignition system of an internal combustion engine has a supplementary spark energy module to increase spark energy. Two ignition coils each have secondary coils with split secondary center taps. Each of the primary windings is coupled to ... | 10/23/1984 |
| 4469080 | Ignition control bypass cable An auxiliary cable having a plurality of wires and connecting terminals at each end provides electrical connections between an electronic ignition control unit and engine starting elements to permit starting a vehicle internal combustion engine despite a ... | 09/04/1984 |
