Matches 101 - 150 out of 175 < 1 2 3 4 >
Match Document Document Title
4757798 Electronic distribution backup apparatus  
An auxiliary revolution sensor (16) is disposed for detecting a reference position signal (16a) of each cylinders. A computer (3) outputs an auxiliary reference cylinder signal (3d) by the...
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...
4711227 Apparatus and method for electronic ignition control  
Disclosed is an ignition signal control apparatus and method for a distributorless ignition system of the type having a sensing circuit which generates at least one reference signal which may be...
4664082 Method of detecting abnormality in a reference crank angle position detection system of an internal combustion engine  
A method of detecting abnormality in a reference crank angle position detection system of a control system for controlling an internal combustion engine, the control system using at least reference...
4658786 Loss of input signal detection and response system for use with distributorless ignition systems  
An invention for detecting loss of input signals to a distributorless ignition system (17) and for providing appropriate responses upon detecting fault conditions. If a SPOUT signal (31) faults...
4644917 Method and apparatus for controlling an internal combustion engine  
A method and apparatus for controlling an internal combustion engine is provided, the apparatus includes using a first crank angle position detector for generating a reference pulse at a...
4610231 Start safety apparatus for internal combustion engine  
A start safety apparatus for an internal combustion engine of a multi-purpose working machine such as a chain saw or grass trimmer is disclosed, wherein the ignition timing of the internal...
4597373 Ignition system with safety circuit  
A system for the automatic recommencing of the ignition function of an i.c. engine with a computer controlled ignition system. The system includes an oscillator which occasionally can stop working....
4531500 Fail safe ignition cut-off system  
An electronic, breakerless ignition system with a grounded cut-off switch has a transformer coil and an electronic ignition circuit in a unitary housing fitted on the core. In an inductive...
4502447 Method of and device for supervising electrical fuel injection systems  
Disclosed are a method and a device for indicating the malfunction of an apparatus for generating injection control pulses for a fuel injection system. The method compares relatively narrow trigger...
4493307 Advance control for breakerless ignition system  
A breakerless ignition system in which an electronic advance circuit (30) generates an electrical trigger signal (SPKE) and a mechanical advance circuit generates a mechanical trigger signal (PCP)....
4492197 Over-revolution preventing apparatus for internal combustion engines  
An electronic revolution rate limiting apparatus is described which generally comprises a transducer for generating a tachometer signal which is indicative of the revolution rate of the internal...
4491105 Arrangement in an i.c. engine  
The invention relates to limiting of the r.p.m. on start of a power tool. At the same time the throttle control is locked in a starting position by a retaining member, a circuit in the ignition...
4479479 Electronically controlled ignition system and use of this ignition system  
An electronically controlled ignition system is provided in which the point in time at which the primary current flowing through the primary winding of the ignition coil starts, is controlled as a...
4463744 Distributorless ignition system with surge absorbing means and apparatus therefor  
A distributorless ignition system in which a primary current alternately changing in its flowing direction is supplied to the primary winding of an ignition coil to induce a high secondary voltage...
4454560 Ignition detector circuit  
An ignition detector circuit includes first and second resistors connected in series between a primary winding of a coil and the ground, a comparator having a first input terminal connected to the...
4448180 Ignition system for an internal combustion engine  
A timing wave generator 26 provides the same input to two threshold switches that switch on at approximately the same time but have different switching hysteresis. The switch with the smaller...
4438752 Vehicle ignition system  
A vehicle ignition system comprises a transformer having a primary winding and a secondary winding for providing the desired high voltage to the spark plug of the vehicle engine and a circuit...
4436076 Electronic speed control for capacitor discharge ignition system  
Electronic shut-off circuit is provided in a capacitor discharge ignition system for internal combustion engines to protect against excessive high-speed operation. The circuit includes an...
4433668 Capacitor discharge ignition system having a charging control means  
The invention provides charging control circuitry (20) for a capacitor discharge ignition system (10) having power capacitors (21) connected to be discharged by main electronic switches such as...
4403970 Marine propulsion unit having ignition interruption means to assist transmission shifting  
Ignition pulses derived from an engine ignition coil primary are fed to the input of an ignition interruption circuit that employs an integrated circuit timer. The state of the output terminal of...
4392474 Electronic ignition system  
An electronic ignition system comprising an ignition coil, having the spark gap in circuit with its secondary winding, a primary transistor and a current limiting circuit in circuit with its...
4385617 Over-rotation preventing device for internal combustion engines  
The present invention relates to a device wherein a positive voltage induced in an exciter coil at the time of a high speed rotation is sensed, a switching transistor is switched on by the terminal...
4369745 Safety interlock for machine and engine with magneto ignition  
A safety interlock for a vehicle driven through a transmission by an internal combustion engine that has a magneto ignition system and a seat occupied by a driver. The interlock is electrically...
4367722 Contactless ignition system for internal combustion engine  
An off-time control circuit drives an output transistor connected in series with a primary winding of an ignition coil while controlling the off-time in each ignition period so that the ratio T i ...
4351310 Ignition coil with overvoltage protection connected to the secondary winding of the ignition coil  
An overvoltage protection circuit is galvanically, directly connected across at least part of the secondary winding in the ignition system of an internal combustion engine. The input portion of the...
4351309 Safety gap for an ignition system in an internal combustion engine  
To protect the ignition system against high over voltages upon removal of a load in the high voltage circuit, represented by the spark gap of a spark plug, and a distribution gap of a distributor,...
4349008 Apparatus for producing spark ignition of an internal combustion engine  
Apparatus for producing spark ignition of an internal combustion engine in which sparks at the spark plugs are initiated by a high voltage pulse of typically 20 KV and are sustained thereafter by a...
4342061 Voltage reduction safety circuit  
A circuit is presented for coupling a storage capacitor to a capacitor shorting switch whereby voltage across the shorting switch is maintained at a reduced potential relative to the storage...
4292939 Fail safe devices for use with devices for limiting the speed of revolution of an internal combustion engine  
A fail safe device for isolating the revolution limiter from the ignition system of an internal combustion engine, in which the output stage of the revolution limiter is continuously monitored to...
4285322 Apparatus for controlling an ignition coil of an internal combustion engine  
An apparatus for controlling an ignition coil of internal combustion engines including a power transistor connected to the primary winding of an ignition coil for controlling the energization and...
4236494 Electronically controlled C.D. ignition and interlocking shut-off system  
Disclosed herein is a lawn mower comprising a grass bag and chute, and a grass discharge cover, and an internal combustion engine having operation regulated by an electronically controlled C.D....
4233950 Safety interlock for an engine ignition system  
In a capacitor-discharge breakerless ignition system for an internal combustion engine, a safety interlock comprising a rectifier and a switch responsive to a preselected unsafe vehicle condition...
4218998 Spark ignition systems for internal combustion engines  
An internal combustion engine spark ignition system is provided which ensures that sparks are inhibited if the engine temperature exceeds a maximum safe level. The ignition circuit includes an...
4193385 Engine stopping device  
An engine stopping device for stopping an internal combustion engine provided with an ignition system energized by a generator driven by the engine. The stopping device comprises a switch for...
4186711 Ignition device with speed limitation for internal combustion engines  
An ignition arrangement with speed limitation for internal combustion engines in which a trigger pulse actuates a switch for generating a high ignition voltage, particularly a capacitor ignition...
4181113 Engine ignition system with voltage monitoring  
A voltage divider across the interruptor switch contacts provides a measure of the high voltage produced before a spark occurs at the sparkplug. A Zener diode connected to the upper tap of the...
4167170 Turn-off protected ignition system for internal combustion engines  
A transistorized ignition system is protected against interruption of power supply by, for example, turn-off of the main or ignition switch while the transistor is in conductive condition so that,...
4144859 Oven-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 of an ignition coil is controlled and cut-off by operation, on and off, of a thyristor...
4141332 Encoded electrical control systems for vehicles  
An encoded electrical control systems for motor vehicle employs an encoder/transmitter that provides an encoded signal and a receiver/decoder which effectuates control of an associated device only...
4138977 Ignition system for internal combustion engine  
A signal generator, such as a breaker contact, an electronic ignition control system, or the like, provides signals when an ignition event is to occur, to control the operation of a controlled...
4130101 Transistorized ignition system for internal combustion engines  
To provide for gradual turn-off of an ignition coil current control transistor, a control capacitor which provides turn-off current has its charge state changed gradually by means of an auxiliary...
4128091 Hall effect electronic ignition controller with programmed dwell and automatic shut-down timer circuits  
An electronic ignition controller operable from a Hall Effect pickup Device in a ballast-resistorless, inductive-type ignition system for an automotive vehicle internal combustion engine and...
4120278 Automatic shut-down control system for truck diesel engines equipped with exhaust-driven superchargers  
An automatic control system for turbo-charged truck Diesel engines incorporates one or more electronic or electromechanical timers for the operation of the fuel line solenoid valve and of the...
4117807 Fuel injection cut off means for over temperature protection of exhaust treatment device  
For use with internal combustion engines equipped with electronic fuel injection systems and engine exhaust treatment devices, means for detecting spark plug misfiring resulting in excessive...
4114582 Voltage limited ignition system, particularly for an internal combustion engine  
To prevent application of excessive spark energy in an ignition system designed for proper firing voltages even under low-battery voltage conditions, upon rise of the battery voltage to normal or...
4115758 Visual test indicator for ignition systems  
The proper operation of the ignition system of an internal combustion engine is determined by a visual test indicator which is built into the ignition circuitry. The indicator is energized whenever...
4111175 Apparatus for preventing afterburning in an internal combustion engine  
An apparatus for preventing afterburning in an internal combustion engine having an ignition circuit, an ignition switch and a battery, and including an engine rotation detecting circuit for...
4088110 Engine idle control  
An automatic control for continuing idle operation of an internal combustion engine, particularly a diesel motor, to provide proper engine conditioning before the engine is shut down. Automatic...
4073279 Internal combustion engine shut-off device  
A shut-off device for use with an internal combustion engine having an electric ignition comprises a switch having first and second states, connected to the engine ignition in such a way that the...
Matches 101 - 150 out of 175 < 1 2 3 4 >