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| Number | Title | Issue Date |
| 7320317 | Auxiliary device for engine spark plug ignition An auxiliary device for sparkplug ignition is provided having a case, and provided therein, electrolytic capacitors connected in parallel between ground terminals and positive terminals of the primary coils of the ignition coils, which are connected to sparkplugs in... | 01/22/2008 |
| 7267115 | Ignition apparatus for an internal combustion engine The ignition apparatus includes an electronic control unit and an igniter. The igniter detects ions resulting from ignition, and sends an ion current output signal to the electronic control unit. The igniter has a waveform shaping circuit and an ion current detectin... | 09/11/2007 |
| 7240670 | Extended duration high-energy ignition circuit A follow-on circuit for extending the duration of the spark provided by a spark plug. The circuit is connected between the coil secondary and the spark gap, and has a capacitor that discharges to the point of connection through a resistor and inductor. The resistor ... | 07/10/2007 |
| 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 |
| 6679235 | High power ignition system having high impedance to protect the transformer An ignition system for use with a spark plug in an internal combustion engine comprising an ignition apparatus for producing a breakdown voltage on a first output thereof configured to breakdown a spark gap of the spark plug a power source having a second... | 01/20/2004 |
| 6408805 | Two-stroke cycle engine This invention concerns a two-stroke cycle engine, more specially it concerns a two-stroke cycle engine using a preceding air-layer for scavenging. It has a scavenger passage connected to a branching scavenger passage opened to said scavenging port. The e... | 06/25/2002 |
| 6035838 | Controlled energy ignition system for an internal combustion engine A controlled energy ignition system for an internal combustion engine includes an ignition coil having a primary coil and a secondary coil coupled to first and second electrodes of an ignition plug defining a spark gap therebetween, wherein the primary co... | 03/14/2000 |
| 5379745 | Ignition system for internal combustion engines with high-tension switches An ignition system for internal combustion engines, has a plurality of spark plugs, an ignition coil provided for the spark plugs and having a secondary circuit, at least one trigger diode cascade formed as a high voltage semiconductor switch and connecte... | 01/10/1995 |
| 5370100 | Connecting part for ignition device A connection part for an ignition device, arranged between an ignition coil and a spark plug for incorporating in a cylinder head of an internal combustion engine, has an isolation housing, a high voltage switching element located in the isolation housing... | 12/06/1994 |
| 5359981 | Apparatus for preventing electro-magnetic wave noise from being radiated and conducted from igniting device of gasoline engine An apparatus for preventing the radiation and conduction of electro-magnetic wave noises generated from the igniting device of a gasoline engine is disclosed. The igniting portion of a gasoline engine such as an igniting coil, a continuously contacting an... | 11/01/1994 |
| 5111790 | Direct fire ignition system having individual knock detection sensor A direct fire ignition system for an internal combustion engine having a coil assembly attachable to each spark plug. Each coil assembly has a high voltage transformer for producing a voltage sufficient to cause the spark plug to generate a spark, an inte... | 05/12/1992 |
| 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 |
| 4993395 | High-voltage opto-electronic switching circuit To reduce the size of a high-voltage semiconductor optically responsive switch, for example suitable to control the flow of ignition energy from an ignition coil (4) to a spark plug (ZK), a stack of disk or plate-shaped semiconductor chips (9) is formed w... | 02/19/1991 |
| 4969447 | Inductive-discharge ignition device for an internal combustion engine The device is of the type comprising for each engine spark plug a transformer with a secondary winding to be connected to the respective spark plug and a primary winding connected to the output of a power stage able to provide an ON-OFF signal for control... | 11/13/1990 |
| 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 |
| 4548174 | Dual plug ignition system An ignition system for an internal combustion engine has an ignition coil coupled to a first and second spark plug provided for each cylinder. A first diode is coupled in series between the first spark plug and the ignition coil. A second diode is coupled... | 10/22/1985 |
| 4503816 | Combustion engine with a constant combustion volume A combustion engine with a constant combustion volume is provided having three cylinders in which two cylinders work in four stroke and one cylinder in two stroke. It is especially designed to greatly increase the actual total useful effect ηt... | 03/12/1985 |
| 4487177 | Apparatus and method for starting a diesel engine using plasma ignition plugs A diesel engine is started by plural ignition plugs, each installed in a swirl chamber of a corresponding cylinder. Each ignition plug includes (a) an elongated center electrode, (b) a fuel-absorbent electrical insulator that encapsulates the center elect... | 12/11/1984 |
| 4487192 | Plasma jet ignition system An ignition system for an internal combustion engine having a capacitive plasma jet plug including a capacitor in parallel with the series combination of an auxiliary gap and a plasma cavity. The auxiliary gap increases the required breakdown voltage befo... | 12/11/1984 |
| 4407259 | Plasma ignition system for an internal combustion engine A plasma ignition system having a plurality of plasma ignition plugs eliminates a mechanical distributor for sequentially distributing plasma ignition energy into each plasma ignition plug. The plasma ignition system comprises: (a) a high DC voltage surge... | 10/04/1983 |
| 4369757 | Plasma jet ignition system A plasma jet ignition system with means for storing plasma ignition electric energy is disclosed wherein a switching means responsive to an ignition timing signal is connected between a charging terminal of a capacitor of the storing means. A plasma ignit... | 01/25/1983 |
| 4327701 | Alternating current energized ignition system An inductive-capacitive cyclic charge-discharge ignition system includes an ignition transformer primary winding in parallel with a capacitor and fed by an alternating current source providing a plural number of repetition cycles during each igniter firin... | 05/04/1982 |
| 4324219 | Spark intensifier in gasoline engine A high-tension secondary current generated from an ignition coil is accumulated in a capacitor set at the head of a spark plug in a gasoline engine for automobiles, etc., and when the voltage of the discharging shaft at the end of the spark plug has built... | 04/13/1982 |
| 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 |
| 4265201 | Stratified fuel ignition system including humid air injection An ignition system having first and second modes of operation is part of an engine which develops motive power by burning fuel received in a main combustion chamber. An auxiliary combustion chamber that is integral with the main combustion chamber is prov... | 05/05/1981 |
| 4223656 | High energy spark ignition system A pulse transformer produces sufficient energy at its secondary winding to initiate arcing of a spark gap in response to the interruption of current flow to its primary winding. Upon initial arcing of the spark gap, a charged capacitor is coupled across t... | 09/23/1980 |
| 4217873 | Ignition circuit for self-purifying creeping discharge spark plugs An ignition circuit for self-purifying creeping discharge spark plugs is disclosed. The ignition circuit comprises a creeping discharge spark plug including a center electrode and a concentric ground electrode between which is formed a spark gap having a ... | 08/19/1980 |
| 4112904 | Electromagnetic type contactless ignition apparatus for internal combustion engine The output signal induced in an electromagnetic pickup and having a frequency corresponding to the rotational speed of an internal combustion engine is applied to the input of an input transistor. The output of the input transistor is connected to the inp... | 09/12/1978 |
| 4083347 | High energy spark ignition system, particularly for internal combustion engines To provide a sharp voltage pulse to break down the spark gap of a spark plug, an ignition coil is constructed to have two secondary winding portions, one providing a high-voltage output and the other providing high energy level or current output. The high... | 04/11/1978 |
| 4059084 | Ignition system for internal combustion engines using an ignition coil An auxiliary voltage, which may be in the order of ten times the value of the battery voltage in an automotive vehicle, is provided by a voltage transformer generating circuit connected to the battery, and providing an additional voltage to the primary of... | 11/22/1977 |
| 4016849 | Apparatus for increasing the ignition voltage of internal combustion engines The present circuit arrangement for generating a high voltage for the spark plugs of an internal combustion engine, includes an ignition coil having a secondary winding coupled to the spark plugs. One end of the primary winding of the coil is connected to... | 04/12/1977 |
| 3941108 | Ignition booster Improved ignition systems for substantially increasing the gas mileage and boosting the voltage utilizing a standard magneto and isolated breaker points and an additional condenser. In one embodiment, the secondary of the magneto has been separated from t... | 03/02/1976 |
