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Match Document Document Title
8692492 Lead angle value setting method, motor driving control circuit, and brushless motor  
A method for setting a lead-angle value of a motor drive control circuit is disclosed. The motor drive control circuit energizes and drives the windings of a motor with an energizing timing based...
8662059 Determination of the burning duration of an ignition spark  
An ignition device has a high voltage transformer having a primary side and a secondary side, of which the primary side is connected to a high voltage source and the secondary side is connected to...
8161942 Ignition control device  
The invention provides an ignition control device and a killing control device correspond. An ignition control device comprises an ignition circuit module and a killing control device corresponds....
8161943 Non-contact ignition control device of internal combustion engine  
A no-contact ignition control device includes a stop switch which maintains a second switching element at the OFF state so that an induced voltage of a trigger coil triggers a first switching...
8056536 Ignition device for internal combustion engine  
An ignition device for an internal combustion engine including: an exciter coil that generates an AC voltage having a positive half wave and first and second negative half waves generated before...
7706960 Capacitor-discharge ignition system for internal combustion engine  
In a capacitor-discharge ignition system for an internal combustion engine having a power generation coil, a capacitor connected to the power generation coil, an ignition coil having a primary...
7631633 Capacitor discharge ignition device for engine  
A capacitor discharge ignition device for an engine including: an exciter coil provided in a magneto generator driven by the engine; a voltage increasing circuit that increases an induced voltage...
7603982 Capacitor discharge engine ignition device  
A capacitor discharge ignition device in which a coil unit including an ignition coil and an exciter coil wound around a common core, and an ignition unit including a circuit board and components...
7520264 Ignition circuit  
An ignition circuit causes a magneto to continue to provide spark to an engine for a delay period after the ignition switch is switched off. After the delay period, the ignition circuit routes...
7509941 Apparatus and method for adjusting air-to-fuel ratio for small gasoline engine  
An apparatus and method for use with a carbureted internal combustion engine that accurately controls the amount of fuel that passes through the carburetor into the combustion chamber of the...
7506634 Ignition timing circuit  
An ignition timing circuit is disclosed which provides variable fuel ignition timing as a function of the rotational speed of a small internal combustion engine. A measure of the rotational speed...
7472688 Ignition device for internal combustion engine  
A capacitor discharge ignition device for an internal combustion engine including: idling time advance angle control permission condition determination means for determining whether an idling time...
7448358 Ignition timing control system for light duty combustion engines  
A control system for a low cost, light duty combustion engine, where the control system generally utilizes an engine speed input signal and independent operating sequences to determine a desired...
7431014 Internal combustion engine and vehicle having the same  
An internal combustion engine performs an ignition timing control by an electronic control in accordance with a pulse signal from a pulser. The pulser generates a plurality of the pulser signals...
7363910 Ignition circuit having a high-energy spark for an internal combustion engine  
An ignition circuit is for an internal combustion engine in a handheld portable work apparatus. A combustion chamber (4) is configured in the cylinder (3) of the engine (1) which is delimited by a...
7171948 Ignition device for internal combustion engine  
A capacitor-discharge-type ignition device for an internal combustion engine, comprising: an exciter coil that generates an AC voltage having a positive half-wave voltage and first and second...
7017565 Supplemental capacitive discharge ignition system  
A capacitive discharge ignition system for initiating combustion during cold- and hot-ignition of an internal combustion engine requiring minimal mechanical energy input. The capacitive discharge...
6973911 Method and device for controlling ignition timing of ignition device for internal combustion engine  
The invention simplifies the structure of a magneto generator and stabilizes the operation of an internal combustion engine at the time of start-up, thereby providing an ignition device simplified...
6814055 Magnetic ignition system  
A circuit to achieve a large ignition advance, limitation of speed of revolutions and to prevent backfiring and reverse direction running in a magnetic ignition system that comprises a flywheel...
6814056 Contactless ignition system for internal combustion engine  
A contactless ignition system is provided with an ignition charge discharge condenser for charging an induced voltage of a generating coil, a first switching element, triggered to conduct when an...
6799557 Processor controlled discharge ignition with fixed firing angle at startup  
An ignition apparatus for use with an internal combustion engine to produce an electrical spark at a spark ignition device. The ignition apparatus includes triggering circuitry having a processor...
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...
6766243 Device and method for ignition in an internal combustion engine  
In a device and a method for ignition of an internal combustion engine having at least one cylinder is described, the device includes a central control unit and peripheral units, each being...
6761148 Electronic rotation speed-dependent control and/or diagnosis process for combustion engines  
An apparatus and process for diagnosis or control of the ignition or load state of a two or four cycle internal combustion engine. A generator rotating synchronously with the engine generates...
6701896 Microelectronic ignition method and ignition module with ignition spark burn-time prolonging for an internal combustion engine  
An electrical ignition for internal combustion engines having coils and a magnetic generator that rotates synchronously with the engine. The generator's magnetic field passes periodically through...
6644276 Ignition mounting arrangement in internal-combustion engine  
A CDI ignition coil unit integrally formed of an exciter coil, pickup coil and control unit is arranged over the upper side of the engine case, at a position on the cylinder head side in proximity...
6584957 Contactless ignition system for internal combustion engine  
A contactless ignition system is provided with an ignition charge discharge condenser for charging an induced voltage of a generating coil, a first switching element, triggered to conduct when an...
6575134 Electronic governor for a gasoline engine  
A capacitive discharge ignition system for an internal combustion engine including: a capacitor for storing electrical energy to produce a spark; a first switch having a trigger input for...
6571769 Capacitor discharge type internal combustion engine ignition device  
A capacitor discharge type internal combustion engine ignition device is provided; wherein a capacitor is charged by a positive half-wave output voltage of an exciter coil; wherein an ignition is...
6408820 Capacitor discharge engine ignition system with automatic ignition advance and/or minimum ignition speed control  
A capacitor discharge engine ignition system includes an ignition coil having a primary winding and a secondary winding for coupling to an engine ignition spark plug. A first electronic switch has...
6186108 Ignition arrangement for engine  
An ignition arrangement is provided for an internal combustion engine having an output shaft supported for rotation about an axis. The engine has a housing at least partially enclosing the output...
6052002 Ignition systems having a series connection of a switch/inductor and a capacitor  
An ignition system has several charging circuits connected to a common input circuit and controlled by a common triggering unit to fire respective igniters. The input circuit has a voltage source...
5954027 Sensor for engine control  
A number of embodiments of ignition systems and specifically a combined charging and triggering device that utilizes a single winding and a core having a pair of ends that are juxtaposed to a...
5931137 Discharge ignition apparatus for internal combustion engine having automatic spark advance  
An improved capacitive discharge ignition apparatus provides spark advance with engine speed. The ignition apparatus includes at least one trigger circuit including a trigger coil preferably...
5775297 Engine operation control system  
An engine operation control system for controlling ignition timing is disclosed. The system includes an electronic ignition control mechanism which operates to prevent ignition timing fluctuations...
5630404 Selectively power feeding device for electrical loads and the ignition circuit of internal combustion engines, in motor-vehicles  
A device for selectively feeding electrical power to loads and the ignition circuit of internal combustion engine of a motor-vehicle; a single power generating winding of an electric generator is...
5584280 Ignition device of capacitor discharge type for internal combustion engine  
Ignition operation is carried out by charging a capacitor (C1) of an ignition circuit (3) by means of an output of a positive half cycle of an exciter coil (104) and discharging charges in the...
5433184 Capacitor discharge type ignition system for internal combustion engine  
A capacitor discharge type ignition system for an internal combustion engine capable of rendering rising of a secondary voltage rapid, prolonging a duration of a secondary discharge current, and...
5419295 Method for controlling the trigger sequence in a flywheel magneto system  
A method for controlling the trigger sequence in a flywheel magneto system including a magnet system for inducing a trigger pulse for a gate trigger current switch. When the trigger pulse is below...
5392753 Microprocessor controlled capacitor discharge ignition system  
Capacitor discharge ignition system having a microprocessor disposed thereon to control the ignition timing of the system. The system has a generator coil, a primary coil and a secondary coil on...
5295465 Apparatus and method for controlling ignition of an internal combustion engine  
An ignition system for an engine includes a position detector that generates a signal pulse while a segment of a member driven by the engine rotates past a given angular position. A first circuit...
5105785 Ignition timing control apparatus  
An ignition timing control apparatus is disclosed which controls ignition timing of an internal combustion engine which is used with a marine vehicle. The apparatus, which controls ignition timing...
5069193 Ignition process, arangement and apparatus for internal combustion engines with a magneto  
An ignition method and system for internal combustion engines, especially in lawn mowers or chain saws, in which a magneto induces a plurality of alternating voltage half-waves for each engine...
5048502 Capacitive-discharge ignition system with step timing advance  
A capacitive-discharge ignition system having a step advance is disclosed. In a preferred embodiment, the ignition thyristor is gated on at low engine speeds by a first control means in response...
5040519 System to prevent reverse engine operation  
An ignition system for an internal combustion engine, such as an outboard marine engine, which includes an advanced timing schedule, a non-advanced timing schedule, and a circuit for switching...
5038743 Dual schedule ignition system  
An ignition system for an internal combustion engine, such as an outboard marine engine, which includes an advanced timing schedule, a normal timing schedule, and a circuit for switching between...
5024204 Capacitive discharge ignition system with continuous timing advance  
A continuously advancing capacitive discharge ignition system for small internal combustion engines is disclosed in which both the negative and the positive half-cycles of the control winding...
5025498 Apparatus for controlling the trigger sequence in ignition systems  
The invention relates to an apparatus for controlling the triggering sequence in capacitive ignition systems for internal combustion engines. The induction achieved by a flywheel magneto usually...
4967719 Internal combustion engine ignition system  
An ignition timing circuit controls operational amplifiers 41, 42 associated with respective engine cylinders in accordance with relative voltage levels, V1, V2 and V3 established by resistive...
4924831 Capacitor discharge ignition system with microprocessor timing control  
Capacitor charge ignition system includes a computer chip programmed to control ignition timing of the system. The system has a generator coil and primary and secondary windings of an ignition...

Matches 1 - 50 out of 157 1 2 3 4 >