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| Number | Title | Issue Date |
| 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 |
| 7215528 | Turn-on coil driver for eliminating secondary diode in coil-per-plug ignition coils A circuit for controlling an ignition coil that attenuates the feed forward voltage by slowing the initial turn-on of the coil driver is disclosed. The turn-on circuit includes a control signal input node, a capacitor, a resistor, a diode, and a coil driver. The con... | 05/08/2007 |
| 7140182 | Energy storing engine The Energy Storing Engine is the mechanization of a hot air engine cycle. Constant temperature compression is achieved by using a multi-stage-intercooled compressor. Energy is stored in a compressed air tank. Heat is added at constant pressure by an exhaust gas to c... | 11/28/2006 |
| 6948484 | Capacitor discharge ignition device A capacitor discharge ignition device is provided with a capacitor for storing charge to produce ignition energy; ignition coils that receive charge released from the capacitor on the primary side and generate a high voltage on the secondary side; a switching elemen... | 09/27/2005 |
| 6484707 | Method and apparatus for generating a sustained arc at a sparking device An apparatus is described for generating a sustained arc at a spark-generating device. A power converter charges an energy storage device to a voltage that will ionize an air gap of a spark device such as an igniter plug. After the voltage is applied to t... | 11/26/2002 |
| 6392315 | Compensation circuit for an automotive ignition sensing system In a vehicle having an engine and an ignition system, a sensing circuit is provided for sensing the ignition voltage and providing this sensed signal to various operating modules of the vehicle. The sensing circuit includes a diode/resistor filter that pr... | 05/21/2002 |
| 6216462 | High efficiency, air bottoming engine An air bottoming powertrain, suitable for use in automobiles includes an internal combustion engine, a compressor which receives gaseous working fluid and compresses it to an elevated pressure, a cooler -For operating the compressor isothermally, an expan... | 04/17/2001 |
| 6196208 | Digital ignition An electronic ignition system includes a converter for receiving DC power from a source of DC power such as a battery. The convertor converts the DC power at low voltage to a high frequency signal which is stepped up to provide a higher voltage to a charg... | 03/06/2001 |
| 5215066 | Ignition apparatus for an internal combustion engine An LCDI-type ignition apparatus for an internal combustion engine includes first and second capacitors connected to an ignition coil and a voltage source for generating a charging voltage for the capacitors. The first capacitor is for producing an initial... | 06/01/1993 |
| 5133329 | Ignition system for combustion-powered tool For a combustion-powered tool, an ignition system is powered by a battery and is arranged so that a sudden discharge of a capacitor, as charged via an oscillator, produces a spark at a spark gap of a spark plug, so that the oscillator is enabled if a trig... | 07/28/1992 |
| 5131376 | Distributorless capacitive discharge ignition system A high power high energy distributorless ignition system for multicylinder internal combustion engines using a single energy storage capacitor (4), a single leakage resonating inductor (20) with a switch SS partially or entirely across it, and one or more... | 07/21/1992 |
| 4785789 | Method and system for controlling the spark ignition of ignition elements in an internal combustion engine Disclosed is a method and system for controlling, in a multi-cylinder four-stroke internal combustion engine, the spark ignition in at least two cylinders, the pistons of which simultaneously assume a top dead center position. The method and system achiev... | 11/22/1988 |
| 4781166 | Voltage regulated magneto powered capacitive discharge ignition system Disclosed herein is a voltage regulated magneto powered capacitive discharge ignition system including a charge capacitor, a magneto including a charge coil, and a circuit including a rectifier having input terminals respectively connected to the charge c... | 11/01/1988 |
| 4733646 | Automotive ignition systems An automotive ignition system including an ignition capacitor electrically connected to a primary winding of a ignition transformer for providing energy to a spark plug which is connected to a second winding of the ignition transformer is disclosed. A cha... | 03/29/1988 |
| 4502454 | Ignition system for an internal combustion engine An ignition system for a multi-cylinder internal combustion engine eliminates high-voltage cables and a mechanical distributor in order to reduce electrical power losses due to joule effect caused mainly by the high voltage circuit, comprises a plurality ... | 03/05/1985 |
| 4433668 | Capacitor discharge ignition system having a charging control means The invention provides charging control circuitry (20) for a capacitor discharge ignition system (10) having power capacitors (21) connected to be discharged by main electronic switches such as SCR's (23) into ignition transformers (24) to sequentially fi... | 02/28/1984 |
| 4391236 | CD Ignition with automatic spark retard Disclosed herein is a capacitor discharge ignition system adapted for use with an internal combustion engine and comprising a charge capacitor, an ignition coil primary winding, an ignition SCR, and a spark retard circuit connected in series relationship ... | 07/05/1983 |
| 4380989 | Ignition system for internal combustion engine An ignition system for an internal combustion engine in which the primary voltage applied across the primary winding of the ignition coil is detected together with the secondary current flowing through the secondary winding of the ignition coil, and the e... | 04/26/1983 |
| 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 |
| 4216756 | Voltage regulated magneto powered capacitive discharge ignition system Disclosed herein is a voltage regulated magneto powered capacitive discharge ignition system including a charge capacitor having opposite plates, a magneto including a charge coil having opposite end terminals, and a circuit including a full-wave bridge r... | 08/12/1980 |
| 4097770 | SCR trigger circuit Circuit for producing turn-on signal for a silicon controlled rectifier (SCR), which signal abruptly and automatically returns to a lower level at which the SCR can commutate off upon reversal of its anode voltage. When a switch opens, a capacitor starts ... | 06/27/1978 |
