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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...
7207325 Engine ignition system having noise protection circuit  
An ignition system for an internal combustion engine includes a switch circuit connected to an ignition coil to switch on or off current supplied to the ignition coil, a control circuit for...
7131436 Engine ignition system having noise protection circuit  
An ignition system for an internal combustion engine is connected to an ignition coil and to a circuit for providing an ignition signal. The ignition system includes a switch circuit connected to...
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...
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...
6935323 Low current extended duration spark ignition system  
A system for firing a spark plug is disclosed. The system includes a timing controller configured to send a first timing signal and a second timing signal. The system also includes an ignition...
6848437 Ignition device for an internal combustion engine  
The ignition device for an internal combustion engine includes, a control unit ( 1 ) for outputting an ignition signal used to determine a time when an ignition plug ( 8 ) should be ignited, a...
6814066 Internal combustion engine ignition device and igniter for same  
An internal combustion engine ignition device able to suppress misfires etc. at abnormal times and achieving smaller size and lower cost, provided with an IGBT (switching device SW), a current...
6777748 Bi-directional semiconductor component  
A bidirectional semiconductor component having two symmetrical MOS transistor structures integrated laterally in a substrate and connected antiserially, their drain terminals being connected to one...
6771519 Method and apparatus for generating high voltage  
A power supply is described that comprises two or more flyback-type, DC-to-DC converters having substantially the same periods for their respective charge-discharge cycles; inputs from a common...
6758200 Ignition coil driver chip on printed circuit board for plughole coil housing  
A product, product by process, and process according to the present invention integrates an ignition coil driver electronics or ignitor into a plughole coil housing. Electronic components are...
6748937 Hall effect ignition system  
A solid-state Hall effect ignition system which requires connection to only a single ignition coil lead wire. The lead wire connects to both an output transistor and to power supply circuitry...
6679237 Ignition drive circuit  
A drive circuit for an ignition system includes an ignition coil and spark plug associated with each cylinder of an internal combustion engine. Each ignition coil has a primary winding with the...
6662792 Capacitor discharge ignition (CDI) system  
A capacitor discharge ignition (CDI) system is capable of generating intense continuous electrical discharge at a spark gap for a desired duration and may include a second controllable power...
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...
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...
6425383 Ignition coil with control and driver apparatus having reverse polarity capability  
An apparatus for a distributorless ignition system which responds to an ignition signal pulse train which is related to the compression and exhaust strokes of an internal combustion engine. The...
6336448 Ignition semiconductor device  
In an ignition semiconductor device, a self-shut down circuit forcibly turns off an IGBT when an input signal is continuously applied. The self-shut down circuit is formed of a main-current...
6286491 Ignition apparatus and an ignition control system of an internal combustion engine and IGBT of an internal combustion engine  
A mesh structure portion is provided at a part of a stripe structure IGBT chip, gate resistance of a respective minute IGBT is reduced and in a gate portion chip a filter is constituted by a...
6279558 Ignition apparatus of internal combustion engine  
In an ignition apparatus, voltage is induced in a primary coil by a permanent magnet being rotated together with rotation of an output shaft of an engine. As the output shaft rotates, protrusions...
6189522 Waste-spark engine ignition  
A distributorless ignition system is provided which includes an ignition coil for firing a pair of first and second spark plugs at the same time. The ignition system includes a changeover switch...
6167876 Circuit arrangement for an ignition stage, in particular for the ignition circuit of a motor vehicle  
A circuit arrangement of an ignition output stage, in particular for an ignition circuit of a motor vehicle, is described. The circuit arrangement includes a multiple Darlington transistor...
6055969 Igniter for internal combustion engine having outer packing case equipped with coil and igniter unit  
In order to reduce the bulk and weight of the upper igniter case division of the armor case, and to lower the center of gravity of the total apparatus so as to provide an igniter which is tough to...
5970965 Inductive coil ignition system for an engine  
An inductive coil ignition system for an engine, having at least one ignition coil which includes a primary winding fed from a voltage source and having two terminals, and a secondary winding also...
5967128 Ignition apparatus for an internal combustion engine  
According to the invention, a primary winding of an ignition coil is coupled with an insulated-gate bipolar transistor (IGBT). The IGBT is controlled by a current restriction circuit, which...
5875749 A.C. ignition system for an engine  
An a.c. ignition system for an engine, with an ignition transistor that switches the primary winding of an ignition coil, with a control circuit for controlling the ignition transistor and a...
5634453 Ignition apparatus for internal combustion engine  
An ignition apparatus for internal combustion engine includes an ignition power unit 1A having a power transistor 14A for feeding and shutting off a primary current i1 to and from an ignition coil...
5577485 Ignition system  
A modular electronic ignition system for use in internal combustion engines is provided using latching Hall effect sensing devices. Two permanent magnets are affixed to a non-ferrous member mounted...
5502338 Power transistor device having collector voltage clamped to stable level over wide temperature range  
A power transistor device is provided which has a function of clamping the collector voltage to a stable level for a wide range of temperature variations. In the power transistor device, a...
5397914 Power transistor device including power transistors in darlington connection and zener diode which is coupled between collector and base of power transistors and which is formed in polysilicon film  
In a transistor where collector is connected to an inductive load and switching current flows, a Zener diode comprising structure of plural pn-junctions constituted in series form to a polysilicon...
5220903 Electronic ignition system  
An electronic ignition system having a control unit to preset the ignition times of the individual cylinders, an ignition coil, and an end stage with a switching transistor (T 1 ) for exciting the...
5109827 Ignition apparatus for an internal combustion engine  
An ignition apparatus for an internal combustion engine is provided which is simple in the circuit arrangement and highly reliable in operation. An electromagnetic pickup coil generates an ignition...
5105794 Ignition system for internal combustion engine  
An ignition system of the current interruption type for internal combustion engine wherein a three-pole magneto having a magnet positioned in a recess formed at a magnetic rotor is used as a power...
5056481 Magneto-semiconductor ignition system  
To suppress negative half-waves derived from a magneto armature and not used for ignition without use of external damping networks, the semiconductor switch controlling current flow, and abrupt...
4993396 Method for driving an insulated gate semiconductor device  
The present invention relates to a method for biasing and making conductive an insulated gate semiconductor device having main electrodes at both surfaces of a semiconductor substrate and a gate...
4976247 Ignition device for combustion engines  
The invention relates to an ignition device for combustion engines. The ignition device has a switching transistor (7) which, when a trigger is energized, is current-conductive, further an ignition...
4958608 Ignition system for internal combustion engine  
An ignition system for an internal combustion engine is widely known which includes a primary current control switch circuit adapted to be turned off at an ignition position to interrupt flowing of...
4893605 Ignition device for internal combustion engine  
An ignition device includes a capacitor 119, a semiconductor switch element 104 and an ignition control circuit 101, by which the cut-off of current supply to the ignition coil 105 is made gradual...
4872441 Ignition circuit for internal combustion engine  
An ignition circuit for an internal combustion engine includes an angle signal generating coil 1, an ignition control circuit 15, an ignition coil 16 and a bistable circuit connected between the...
4782242 Circuit arrangement for generating high voltage pulses  
A circuit arrangement for generating high voltage pulses from DC voltage. The circuit includes a transformer comprising at least two primary windings and secondary windings, in which the primary...
4738239 Ignition system  
An inductive ignition system for a spark ignited internal combustion engine. An N-channel field effect transistor (FET) is connected in series with the primary winding of an ignition coil. The...
4735187 Ignition system for internal combustion engines  
In an ignition system for an internal combustion engine, on-off signals each responsive to one of a plurality of ignition signals from an engine control unit to switch on and off the primary...
4706640 Magnetic ignition system  
A magnetic ignition system with an ignition coil primary circuit having an ignition switch is controlled by a control switch to break at a given ignition time so that an ignition voltage is induced...
4694814 Ignition system for internal combustion engines with a magnet generator  
A control circuit for an ignition system having a magnet generator provides an abrupt adjustment of the ignition time point toward an advanced ignition when a predetermined upper speed range of an...
4660534 Electronic ignition system with static distribution for a carburettor engine  
An electronic ignition system, for a four-stroke, four-cylinder engine, having: sensors that provide signals indicative of the running conditions of the engine, two ignition transformers,...
4651706 Ignition system for internal combustion engine  
An ignition system for an internal combustion engine is disclosed which is adapted to carry out the comparison between an integrating voltage of a first integrating circuit and that of a second...
4641627 Ignition module  
A ignition module for an ignition system originally fitted with mechanical breaker points. The module comprising a drive winding adapted to be circumferentially received about one of the legs of a...
4561412 Ignition apparatus for internal combustion engines  
An ignition apparatus for internal combustion engines for preventing input noises out of an ignition signal line from affecting the ignition timing of the engine to make knocking or a start...
4552119 Magnetic pulse timer  
Improved magnetic pulse timer components provide increased timer voltages with steeper bipolar waveforms. Such improvements are residual in terms of a permanently magnetized timer rotor (30, 40,...
Matches 1 - 50 out of 234 1 2 3 4 5 >