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7588021 Spark plug circuit  
A spark plug circuit for, and a method of, reducing or preventing the corrosion of a spark plug electrodes in an internal combustion engine. The circuit and method provide a positive voltage across...
7552724 Multi-spark ignition system  
A multi-spark ignition system for an internal combustion engine includes ignition coils each of which is mounted on one of spark plugs of an engine, an energy storing circuit, switching elements...
7543578 High frequency ignition assembly  
An ignition assembly includes a power converter receiving an alternating current input, including a first capacitor and a second capacitor. The first capacitor and the second capacitor are charged...
7401603 High tension capacitive discharge ignition with reinforcing triggering pulses  
A capacitive discharge ignition system in which a controllable switch is positioned between a storage capacitor and the primary winding of an ignition transformer. The switch is controlled to...
7341051 Electronic high frequency plasma catalyzer  
The catalyzer is applicable in the ignition of gasoline engines of transportation vehicles, generates, stand alone and stationary machines and others. Its advantage is that it has a higher quality...
7182076 Spark-based igniting system for internal combustion engines  
A spark-based igniting system for internal combustion engines includes a cylinder, at least one piston, a combustion chamber, a spark insert, and a RF energy source. The piston is disposed within...
6953032 Combustion engine and ignition circuit for a combustion engine  
An internal combustion engine includes a cylinder with a spark plug, an electric DC voltage supply, and an ignition circuit. The ignition circuit includes a switching device and a transformer...
6913006 High-frequency ignition system for an internal combustion engine  
A high-frequency ignition system has a waveguide and a high-frequency amplifier. In this context, the high-frequency amplifier is situated at a first end of the waveguide. An ignition gap is...
6886547 Ignition system with multiplexed combustion signals  
A plurality of ignition coils having a combustion detection capability, such as an ion sense capability or cylinder pressure detection capability, are connected to a common communication line. The...
6883507 System and method for generating and sustaining a corona electric discharge for igniting a combustible gaseous mixture  
The invention relates to a system for igniting a fuel-air mixture in a combustion chamber with a corona discharge. The system comprises an electrode inside of the combustion chamber, an electric...
6729317 Ignition system with an ignition coil  
An ignition system is disclosed that is capable of configuring the development or pattern of the ignition spark in a freely pre-selectable manner. The system has an ignition coil that is supplied...
6670777 Ignition system and method  
An ignition system for an engine includes an exciter circuit for use with an igniter, the exciter circuit having a step-up transformer the utilizes a relatively low voltage in its primary to...
6615811 Ignition coil integrated ion sense with combustion and knock outputs  
An ignition coil having ion sense capability with combustion and knock outputs features improved determination of when to open and close a combustion window during which a combustion signal...
6564786 Apparatus and method for controlling ignition of an internal combustion engine  
In the ignition apparatus for internal combustion engine according to the invention, during a period when spark discharge voltage is detected by a waveform detecting unit 20 and an ignition coil ...
6557537 Ion current detection system and method for internal combustion engine  
A battery, an energy charge inductance, and a first transistor are connected in series in an ignition system. A primary winding and a second switching device are connected in series between the...
6550463 Method and switching system for the ignition of an internal combustion engine  
A method and a system for the ignition of an internal combustion engine in which a high voltage is applied to the electrodes ( 8.1, 8.2 ) of a spark plug ( 8 ). The high voltage produces a voltage...
6357426 Ignition device for a high-frequency ignition  
Proposed is an igniting device having a radio frequency resonator. Moreover, the resonator can be designed as a strip waveguide on a printed-circuit board. Several resonators can be connected in a...
6213108 System and method for providing multicharge ignition  
A system and method of providing multicharge ignition are provided. The method and system preferably are adapted to trigger at least some of the multicharge events of the system and method in a...
6176215 Method for operation of a direct-injection spark-ignition internal combustion engine  
A method for operation of a direct-injection spark-ignition internal combustion engine operated over large areas of the characteristics map with stratified charge by way of fuel injection during...
6167875 Multiple spark capacitive discharge ignition system for an internal combustion engine  
An ignition system for an internal combustion engine that generates more ignition sparks per ignition event, i.e., per cylinder, per cycle, when the engine is operated in the stratified fuel...
6142130 Low inductance high energy inductive ignition system  
A high power, high energy inductive ignition system with a parallel array of multiple ignition coils Ti (2a, 2b) and associated 600 volt unclamped IGBT power switches Si (8a, 8b), for use with an...
6135099 Ignition system for an internal combustion engine  
An ignition system for an internal combustion engine having a transformer with a primary winding adapted to be connected to a power supply and a second winding adapted to be connected to a spark...
6112730 Ignition system with clamping circuit for use in an internal combustion engine  
An ignition system for an internal combustion engine having a transformer with a primary winding adapted to be connected to a power supply and a secondary winding adapted to be connected to a spark...
5852999 Method and means for generating and maintaining spark in a varying pressure environment  
Method and apparatus for generating and maintaining a spark in an environment having a varying pressure, such as a combustion chamber in an internal combustion engine, whereby a means for producing...
5842456 Programmed multi-firing and duty cycling for a coil-on-plug ignition system with knock detection  
An ignition system for multi-firing a spark plug of a spark ignition internal combustion engine and for detecting auto-ignition utilizing the spark plug as a feedback element. The ignition system...
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...
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...
5456241 Optimized high power high energy ignition system  
A high power high energy ignition system for internal combustion engines using an energy storage capacitor (4), resonating inductor (3) and one or more coils Ti with switches Si for each coil Ti....
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...
5179928 Internal combustion engine ignition device  
The device comprises an a.c. voltage source (5, 6, 7), a resonant circuit (Lf, Cs) coupled to a transformer (9) and a plug (10) which is supplied under high tension by the resonant circuit. An...
5113839 Ignition system for an internal combustion engine  
The ignition system consists of a free-running ignition final stage, a miniature induction coil, a static and/or dynamic determination of the ignition angle, and a power supply. The ignition final...
5097815 Ignition system for internal combustion engine  
An ignition system is disclosed in which secondary windings of a first and a second ignition coil are connected in parallel to a spark electrode of an internal combustion engine. A d.c. high...
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...
5009213 Static ignition device for internal combustion engines  
The device essentially comprises an auxiliary coil for storing the ignition energy, and a transformer for each spark plug. It is thus possible to prepolarize each transformer in the proper sequence...
4947821 Ignition system  
An ignition system of AC continuous discharge type is disclosed which comprises a switching circuit for supplying the primary current of an ignition coil alternately in two directions and which is...
4938200 Ignition device  
An ignition device for an internal combustion engine comprising an electromagnetic energy accumulator, a power source for supplying electromagnetic energy to the electromagnetic energy accumulator...
4846129 Ignition system improvements for internal combustion engines  
This invention relates to a number of improvements in ignition systems of spark ignition engines. A detector is employed to sense the first or "breakdown" phase of spark discharge across the spark...
4840165 Continuous spark electronic igniter  
The invention relates to a miniature high-energy continuous spark electronic igniter composed of a magnetic pulse generator having a magnetic flux attracting gap, a voltage-stabilizing circuit, a...
4833369 Constant spark rate ignition exciter  
A constant spark rate ignition exciter is disclosed which functions to store a predetermined constant amount of energy in an energy storage element of an ignition system independent of power supply...
4787360 Electronically-controlled plasma ignition device for internal combustion engines  
The present invention relates to an electronically-controlled plasma ignition device for internal combustion engines. A device according to the invention is characterized in that it includes the...
4702221 Ignition device for an internal combustion engine  
In an ignition device for an internal combustion engine, the ignition device comprises: three closed circuits including first, second and third closed circuits, each circuit having at least a DC...
4686953 High performance distributorless digital ignition system for internal combustion engines  
A digital ignition system is disclosed including a precision angular position sensor within the engine distributor or in cooperation with another rotary engine part providing accurate timing...
4674467 Apparatus for controlling ignition in internal combustion engine  
The apparatus includes an ignition instruction signal generating unit for repeatedly generating a first ignition instruction signal instructing an AC discharging duration and a second ignition...
4608958 Load reactance element driving device  
A device for driving a load reactance element, such as a piezoelectric actuator for a fuel injection system, including a series reactance element connected in series with the load reactance...
4567874 Ignition system for internal combustion engines  
Ignition system for an internal combustion engine in a motor vehicle having at least one transformer for generating ignition voltage, the transformer having a primary side with a primary winding...
4561406 Winged reentrant electromagnetic combustion chamber  
An internal combustion engine combustion chamber suitable for electromagnetic stimulation of combustion which has been improved by the addition of combustion chamber periphery extensions (wings)...
4522185 Switching electronic ignition  
This electronic ignition system comprises a unique combination of a high voltage switching regulator to provide substantially higher voltage to the ignition coil and a solid state power switch to...
4516557 Ignition apparatus for internal combustion engine  
An ignition apparatus for an internal combustion engine which includes a signal rotor on a rotary shaft for being rotated in synchronism with a coil wound about a core, a metal heat sink, and a...
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...
4446842 Ignition system  
An ignition system for an internal combustion engine, wherein separate ignition transformers are mounted directly on respective spark plugs and an A.C. drive signal is applied to the ignition...
Matches 1 - 50 out of 127 1 2 3 >