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7581534 Internal combustion engine ignition device  
An internal combustion engine ignition device is provided in which an ECU ( 200 ) includes a pulse generation circuit ( 201 ) that outputs pulse signals (Igt 1 and Igt 2 ) and an ion-signal...
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...
7506641 Ignition device  
A first series circuit having an energy storage coil 21, a first diode 3, and a capacitor 6 connected between a direct current power supply E and a ground terminal GND is arranged. A second...
7404396 Multiple discharge ignition control apparatus and method for internal combustion engines  
In a multiple discharge ignition control apparatus, a battery, an energy storage coil and a first IGBT are connected in series. Further, the energy storage coil, a diode, a primary coil and a...
7348782 Ignition device and spark condition detection method  
When a spark discharge is produced, a first current flows in one direction. From a rise of an ignition signal to energize an ignition coil to a fall of the ignition signal to deenergize the...
7176744 Semiconductor device  
A gate discharge resistor part is connected to the gate of an IGBT (Insulated Gate Bipolar Transistor). A timer circuit has its output connected to the input of the gate discharge resistor part and...
7159583 Technique for drive current stabilization of an automotive ignition system  
Drive current stabilization is achieved through the management of a drive current. The drive current may include a control current that is provided to a control terminal of a switch, a current...
7131437 Ignition device for internal combustion engine  
An ignition device for an internal combustion engine includes a power transistor connected to a primary coil of an ignition coil, a current sensing resistor connected in series with the power...
7107976 Inductive load powering arrangement  
An inductive load powering arrangement ( 20 ) utilizes current monitoring on only one side of the load ( 22 ) which in one example is a fuel injector coil. In disclosed examples, a high side driver...
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...
7021299 Multichannel electronic ignition device with high-voltage controller  
A control circuit is connected to a plurality of driving stages. Each driving stage includes a high-voltage terminal for driving an inductive load. The control circuit is provided with a...
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...
6971372 Method and device for detecting a phase of a four-stroke gasoline engine  
A method and a device for detecting the phase of a four-stroke gasoline engine, a gasoline direct injection engine in particular. For reliable phase detection involving relatively little expense...
6955164 Automotive ignition system with sparkless thermal overload protection  
An interface for providing thermal overload protection includes a switching device, a temperature indicating device, a drive circuit and a thermal monitoring circuit. The thermal monitoring circuit...
6914434 Driver circuit  
Driver circuit ( 1 ) for actuating an electrical device via a control line ( 3 ) and for diagnosing the state of the control line ( 3 ) and/or of the actuated device, having a test circuit (Q 1 -Q...
6883508 Method for controlling the primary ignition current of an internal combustion engine with controlled ignition  
Method for controlling a primary current in an ignition coil of an internal combustion engine with controlled ignition, the current is established in an inductive primary circuit over a given...
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...
6837230 Ignition device for an internal combustion engine  
An ignition device for an internal combustion engine includes a control circuit that generates an ignition signal for allowing or interrupting the supply of a primary current of an ignition coil...
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...
6813933 Method and device for positioning measuring displays for measuring ion currents  
A method is presented for positioning a measurement window in time for analysis of ionic current signals, detected at internal combustion engines via the electrodes of a spark plug, for an ignition...
6799564 Ignition device, controller and ignition unit for an internal combustion engine  
An ignition device ( 2 ) for an internal combustion engine, a controller ( 1 ) for said ignition device ( 2 ) and an ignition unit comprising the ignition device ( 2 ) and controller ( 1 ) are...
6796297 Device for ignition of an internal combustion engine  
A device for ignition of an internal combustion engine is described, having a computer and an ignition output stage. A current flow through the primary side of an ignition coil is controllable by...
6792926 Ignition system for an internal combustion engine  
An ignition system ( 1, 2, 41 ) for an internal combustion engine is provided with an outlet for electric activation of an ignition element ( 9 ) for a combustion element in an internal combustion...
6763815 Device and method for regulating the energy supply for ignition in an internal combustion engine  
A device for regulating the energy supply for the ignition of an internal combustion engine including an ignition coil and a central control unit, the ignition coil including a primary winding and...
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...
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...
6684867 Ignition apparatus for internal combustion engine and one-chip semiconductor for internal combustion engine igniting  
An ignition apparatus for an internal combustion engine has an arrangement comprising a power part and a control part which are accumulated in a one-chip in an IGBT monolithic silicon substrate....
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...
6668811 Ignition control circuit providing temperature and battery voltage compensated coil current control  
An automotive ignition system ( 50 ) includes a control circuit ( 52 ) operable to drive a coil current switching device ( 24 ) connected between an ignition coil ( 30 ) referenced at battery...
6595194 Ignition system for internal combustion engine  
A main IGBT conducts or blocks a primary current flowing through the ignition coil in response to an input ignition control signal to generate a high voltage on the secondary side of the ignition...
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 ...
6545478 Electronic ignition device for an engine  
The electronic ignition device includes an ignition coil with a primary winding terminal and a secondary winding terminal generating a spark, a power element arranged between the primary winding...
6539929 Ignition device for an internal combustion engine  
A one-chip integration circuit including a power part and a control part integrated within an IGBT monolithic silicon substrate is disclosed. The control circuit part comprises a current limiting...
6520166 Method of identifying engine cylinder combustion sequence based on combustion quality  
An improved method of identifying the cylinder combustion sequence of a four-stroke internal combustion engine accepts of rejects an assumed combustion sequence based on measured ion current...
6378513 Multicharge ignition system having secondary current feedback to trigger start of recharge event  
An ignition system for an internal combustion engine includes an ignition coil coupled to a spark plug in a combustion chamber of the engine, and a switch responsive to an ignition control signal...
6360720 High temperature compensation circuitry for an ignition control circuit  
A temperature dependent current generating circuit includes a circuitry for producing a first voltage that is substantially constant over temperature, circuitry for producing a second voltage that...
6359439 Compression sense ignition system with fault mode detection and having improved capacitive sensing  
A compression sense ignition system includes a sensing capacitor having a conductive sensing element disposed in proximity to the secondary winding leads of a first and a second ignition coil for...
6357428 Process and apparatus for determining the breakdown voltage during the ignition of an internal-combustion engine  
A process and apparatus for determining the breakdown voltage in the case of an ignition of a vehicle is provided. The breakdown point in time is detected and the breakdown voltage is determined...
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...
6298837 Method and device for regulating power in ignition systems with a primary-side short-circuiting switch  
A method and an arrangement for energy control on an ignition system for an internal combustion engine are presented having an ignition coil or an ignition transformer whose primary winding can be...
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...
6283103 Methods and apparatus for controlling spark duration in an internal combustion engine  
An ignition system, of the type having ignition coils supplying energy to spark plugs in an internal combustion engine, includes apparatus to measure an electrical characteristic indicative of...
6204693 Apparatus for regulating the flow of current through a load  
An apparatus is described for regulating the flow of current through a load in which the flow of current is monitored in the form of a reference voltage by an analog input and a digital input of an...
6188224 Process for the diagnosis of an ignition device of an internal combustion engine  
The diagnosis of an open-circuit fault or of a short-circuit in an ignition system is effected by performing asynchronous periodic extraction of samples of current in a switch. A check is made to...
6186130 Multicharge implementation to maximize rate of energy delivery to a spark plug gap  
An ignition control system for an internal combustion engine includes a control circuit, an ignition coil, a switch, and a sensing circuit. The control circuit is configured to interrupt a primary...
6138653 Ignition system and principle of operation  
An electric ignition device for an internal combustion engine having a primary and a secondary circuit coupled together by a transformer. The secondary circuit includes a spark gap. The primary...
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...
6047691 Ignition system  
A resonance transducer ignition system for an engine includes a voltage source, a semiconductor circuit-breaker, a resonance capacitance, an energy recovery diode, an open- and closed-loop control...
6032657 Multi spark ignition system  
An ignition system for internal combustion engines with spark ignition comprising an ignition coil, a spark plug connected to the secondary winding, an electric supply circuit associated with the...
6029631 Method of identifying the combustion chamber of a combustion engine that is in the compression stroke, and a method and device for starting a combustion engine  
A combustion engine comprises at least two combustion chambers and an ignition system having a spark device (11, 13) forming an electrode gap and a charging member (20) for accumulating the...
Matches 1 - 50 out of 204 1 2 3 4 5 >