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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...
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...
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...
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...
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 receiving...
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...
6353293 Method and apparatus for controllably generating sparks in an ignition system or the like  
An apparatus for controllably generating sparks is provided. The apparatus includes a spark generating device; at least two output stages connected to the spark generating device; means for...
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 to...
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...
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...
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...
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 coil...
4892079 Magnetogenerator  
A magnetogenerator comprises a plurality of permanent magnets arranged orderly on an inner periphery of a fly-wheel with magnetic poles thereof being alternative, a plurality of power generating...
4858585 Electronically assisted engine starting means  
An improved engine ignition system for a marine engine or the like, which provides reliable start-up capability and running protection. The system detects the actual rotational speed of the engine...
4844034 Ignition timing control apparatus  
In start of an engine, an ignition signal having a constant advance angle with respect to a top dead center of the engine is generated, and in idling state after a predetermined time period of...
4757797 Apparatus in ignition systems  
A circuit for generating a charge voltage in a capacitive ignition system having an inductive source for producing a voltage substantially below the required charge voltage. The circuit includes,...
4722311 Capacitor ignition apparatus  
Capacitor ignition apparatus for internal-combustion engines with a magneto generator and an ignition pulse generator for the switching through of an electronic switch which discharges the...
4697570 Electronic ignition circuit with automatic control advance  
An electronic ignition system for a magneto-operated internal combustion engine eliminates Zener diodes as nonlinear elements for control of the advance and employs a unilateral switch utilizing a...
4648375 Capacitor ignition system  
A capacitor ignition system of magnet type comprises a charging winding (10), a trigger winding (11), an ignition coil (13) and an ignition switch (14) with electronic control means, in this case a...
4644927 Engine ignition timing control device  
Arithmetic operations of an ignition timing are carried out in an ignition timing operation circuit on the basis of an output signal from a signal generating means which generates signals for...
4633834 Spark timing control device for internal combustion engine  
An ignition system spark timing controller having circuits for advancing the time at which the ignition system will produce a sparking potential during the starting of the engine, and for...
4624234 Electronic ignition timing adjusting system for internal combustion engines  
An ignition timing adjusting system for an internal combustion engine wherein the output of a magneto-type generator driven by the engine is used as a power source to generate a constant voltage...
4620521 Modular, programmable high energy ignition system  
The ignition system for providing spark ignition to the cylinders of an internal combustion engine includes a generator assembly adapted to be mounted on said engine. This generator assembly...
4611570 Capacitive discharge magneto ignition system  
A capacitive discharge magneto ignition system comprising a magneto (10) for generating an ignition spark through a plurality of ignition coils (66,68). The magneto (10) supports a plurality of...
4611569 Ignition system  
An ignition system of an internal combustion engine including a bypass circuit having a switch capable of being closed to cause a current produced by a counter electromotive force generated by a...
Matches 1 - 50 out of 144 1 2 3 >