Matches 1 - 50 out of 95 1 2 >
Match Document Document Title
7559319 Ignition coil apparatus for an internal combustion engine  
An ignition coil apparatus for an internal combustion engine with a cylinder having first and second spark plugs can reliably detect an ionic current without discharging a bias voltage even at the...
7530350 Output circuit for an on-vehicle electronic device  
In an engine ignition system, an igniter for an ignition coil is connected to an ECU through a signal wire. The signal wire is grounded via the collector and the emitter of a bipolar transistor of...
7475672 Inductive ignition control system  
An apparatus for producing an ignition spark in an internal combustion engine. The apparatus comprises an inductive ignition device having a primary coil and a secondary coil, flow of current...
7341052 Power switching control device for electric systems  
A power switching control device for electric systems such as an ignition device for internal combustion engines has a control circuit IC and a switching IC. A temperature sensor is provided in the...
7080639 Soft IGBT turn-on ignition applications  
A circuit for controlling an ignition coil is provided. The circuit includes a first transistor, second transistor, and a capacitor. The first transistor is connected in electrical series between...
7063079 Device for reducing the part count and package size of an in-cylinder ionization detection system by integrating the ionization detection circuit and ignition coil driver into a single package  
Two embodiments of an integrated ionization detection circuit and ignition coil driver, an ASIC and a single electronic package, are disclosed. The apparatuses reduce the cost and complexity of an...
7051724 Car-mounted igniter using IGBT  
An igniter of the present invention has an insulated gate semiconductor device having a collector terminal, an emitter terminal and a gate terminal, a current control circuit which limits current...
7007683 Internal combustion engine ignition apparatus  
An internal combustion engine ignition apparatus includes a switching circuit having no power supply terminal connected to a power supply such as a battery is constructed, and including an output...
6782880 Ignition system and method for operating an ignition system  
An ignition system and a method for operating an ignition system provides reliable suppression of a closing spark ignition at relatively small expense and to achieve a reliable ignition by the...
6761156 Multiplexed single wire control and diagnosis of an electrical object  
An ignition coil assembly for providing ignition energy to a spark plug in accordance with a dwell pulse and transmitting diagnostic data related to an ignition event occurring after the dwell...
6736102 Method for operating an internal combustion engine and corresponding arrangement  
A method for operating an internal combustion engine and a corresponding device are described, in which reference pulses are generated synchronously with respect to the cyclical movement of at...
6729318 System and process for controlling the step response of electric components  
An electronic component, such as an IGBT, that presents a control terminal for receiving a stepwise control signal and at least one other terminal adapted for reaching a given voltage level by...
6672295 Vehicle-mounted ignitor  
A circuit for supplying an oscillation suppress current is provided between a collector terminal and gate electrode of a main IGBT. The current supply circuit comprises a resistor and a diode which...
6591821 Variable voltage regulator for electronic accelerator in automobile  
The present invention comprises an Electronics Control Unit (ECU) power potential stabilizing circuit and an ECU reference potential stabilizing circuit. The ECU power potential stabilizing circuit...
6526953 Ignition unit for internal combustion engine  
For minimizing spark energy and improving durability of a spark plug ( 13 ) without controlling a time for energizing a primary wiring (L 1 ); the ignition unit ( 1,2 and 3 ) for an internal...
6257216 Device for suppressing undesired ignitions in a spark ignition engine  
The primary winding of an ignition coil is connected in series with an ignition switch that can be switched by a control circuit. A circuit including a capacitor, a resistor, and a diode is...
5988130 Electrical system for marine engine  
The present invention is an electrical system for an engine of the type used to power a watercraft. A primary power supply of the system is connected to a main circuit by a feed circuit. A main...
5609145 Internal combustion engine ignition system  
An ignition system for an internal combustion engine is provided which includes an ignition coil formed with a primary winding and a secondary winding and a switching element for interrupting a...
5127388 Ignition system for an internal combustion engine  
The system comprises: at least one spark plug, at least one ignition coil whose secondary winding is connected to the plug, a power transistor whose output path is in series with the primary...
5058560 Contactless ignition apparatus for internal combustion engine  
A contactless ignition apparatus for an internal combustion engine comprises a resin-molded closed magnetic circuit type ignition coil including an iron core constituting a closed magnetic circuit,...
4972822 Ignition apparatus for an internal combustion engine  
Disclosed is an ignition apparatus for an internal combustion engine adapted to be started by the rotation of a crank shaft upon rotation of a starter. A sensor detects first and second different...
4918569 Regulated forward converter for generating repeating spark discharge pulses  
A discharge load driving circuit has a transformer with a low voltage coil and a high voltage coil wound around a magnetic core. The high voltage coil has a transformation ratio for setting a high...
4858587 Ignition device for an internal combustion engine  
An ignition device for an internal combustion engine comprises a sensor for producing a first and a second angular angle corresponding to a first and a second crank position, respectively, a...
4777925 Combined fuel injection-spark ignition apparatus  
An electromagnetic coil operates a fuel injector valve and generates a high voltage pulse to ignite a spark plug in an internal combustion engine. The primary and secondary windings of a coil are...
4741319 Ignition system for internal combustion engines  
An ignition system for internal combustion engines is constructed so that, in response to each ignition signal from ignition signal generating means, through a predetermined angle before a...
4709684 Method of stabilizing current flow through an automotive-type ignition coil  
To control the ON or conduction time of a transistor (4) serially connected with the primary winding (2) of an ignition coil, the voltage drop across the collector or base respectively, and emitter...
4672928 Ignition device for internal combustion engines  
The invention teaches an ignition device for internal combustion engines, comprising at least one spark gap with two ignition electrodes for generating ignition sparks between them, whereby neither...
4509496 Ignition circuit for internal combustion engine having alternately operable high and low speed control devices  
An ignition circuit for an internal combustion engine includes an ignition coil having a primary winding which is controlled by a power transistor. The lower transistor is controlled by either a...
4487191 Solid state ignition system having drift-free timing  
This application discloses a solid state ignition system of the inductive type and includes a trigger coil and an ignition coil having primary and secondary windings disposed on a stator core. A...
4448182 Ignition system for internal combustion engines  
An ignition coil includes a primary winding, an auxiliary primary winding and an ignition high voltage generating secondary winding which are wound on the same core. The primary current from the...
4428333 Electronic ignition device for combustion engines  
The ignition coil of an electronic ignition system, wherein a voltage is induced in the coil by way of a magnet wheel, has an auxiliary coil connected to charge a capacitor by way of a diode. The...
4375794 External inductive solid state ignition system  
An ignition system of the contactless interrupt type for an internal combustion engine is disclosed with a control circuit including a pair of solid state semiconductor devices with one connected...
4359036 Ignition system for internal combustion engines  
An ingition system for internal combustion engines has dwell angle control apparatus for controlling the switching times of an electronic switch (21) in the primary circuit of an ignition coil (22)...
4320735 High-frequency continuous-wave ignition system  
An ignition system that develops continuous-wave high-frequency spark signals. It employs a square wave oscillator which uses a unitary magnetic circuit and includes a control winding that acts to...
4270509 Breakerless ignition system  
Conventional breaker points in an engine ignition system are replaced by switching means comprising a transistor device and a biasing coil that is coupled with a core and cooperates with a magnet...
4245609 Modulated AC ignition system  
An ignition system includes an alternating current power source which feeds a transformer having a primary winding, the primary winding being coupled to an electronic switch. The electronic switch...
4228779 Process and a circuit arrangement for the control of the primary current in coil ignition systems of motor vehicles  
The current through the primary winding of an ignition coil of an ignition system for a motor vehicle, and being largely independent of engine speed, supply voltage and internal resistance of the...
4204490 Over-rotation prevention method and circuit in the non-contact type ignition circuit for the internal combustion engine  
In a non contact ignition circuit for an internal combustion engine, a current induced in the primary winding or an ignition coil is controlled and cut-off by operation, on and off, of a thyristor...
4173963 Electronic magneto ignition for internal combustion engines  
An electronic magneto ignition for internal combustion engines has a permanent magnet mounted on the engine fly wheel and rotating therewith. A magnetic field coil has a primary winding and a...
4169445 Transient intermodulation ignition system  
A transient modulation ignition system is provided having a transformer with a primary winding and a secondary winding. A timer is utilized for intermittently providing ignition timing to the...
4117818 Ignition system for internal combustion engines with tapped ignition coil  
The primary of the ignition coil is tapped to provide two partial primary portions which are serially connected; during an initial current flow, only one partial portion has current flowing...
4099509 Ignition systems of current interruption type for internal combustion engines  
An ignition system of a current interruption type comprises an a.c. power source and an ignition coil, the primary winding of which is connected to the a.c. power source through a controllable...
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...
3952717 Ignition system with adjustable contact breaker current  
An ignition system for a gasoline engine comprising an ignition coil to which an electric current is supplied from a battery through a transistor. The transistor is so controlled as to turn on and...
3926557 Ignition device for internal combustion engines  
An ignition device for an internal combustion engine comprising a timing member for providing an output which is a function of the angular position of the crank shaft or of the position of a piston...
3910247 Method and apparatus for distributorless ignition  
Means for directing a spark from the secondary winding of a spark coil to one of two spark gaps connected thereto. The primary winding of the coil can be connected to a battery so that the core of...
3908622 Ignition system  
An ignition system is described wherein a magnetic pulse is producted in a distributor, the pulse is amplified and used to bias into saturation a switching transistor in the circuit to the primary...
3878452 Transistorized magneto ignition system for internal combustion engines  
Diodes in series with a switching transistor and conducting in the same direction, interposed between the switching transistor and the primary winding of a magneto armature, are used to establish a...
3838672 INTERNAL COMBUSTION ENGINE IGNITION SYSTEM  
An internal combustion engine system having the ignition coil primary winding, the current carrying electrodes of a switching transistor, operated conductive and not conductive in timed...
3828754 FLYWHEEL MAGNETO IGNITION DEVICE WITH CAPACITOR-THYRISTOR IGNITION COMBINED WITH GENERATOR  
A flywheel magneto ignition device with capacitor-thyristor ignition combined with generator comprises a first component group for producing an ignition effect and a second component group for...
Matches 1 - 50 out of 95 1 2 >