Matches 1 - 26 out of 26
Match Document Document Title
6450157 Automotive ignition system with adaptable start-of-dwell ring damping  
An automotive ignition system includes a control circuit ( 52 ) operable to drive a coil current switching device ( 24 ) connected to an ignition coil ( 30 ) referenced at battery voltage. The...
5526785 Electronic ignition system  
An electronic ignition system replacing corresponding stock circuitry but utilizing the stock magneto and ignition coil provided with the engine of a sport vehicle, such as a jet ski or snowmobile,...
RE34079 Method and apparatus for conserving battery power in a snowmobile electrical system  
A snowmobile electrical system having a battery conservation circuit. The system is designed to conserve battery power after deactivation of the engine using the kill switch, even if the key switch...
5143553 Control apparatus of ignition current conducting time  
During an abnormal stop condition of an internal combustion engine, the semiconductor devices which control the supply of current to the ignition coils during a dwell time are subject to damage by...
5048503 Automatic power interrupting system for vehicular control circuit  
An automatic power interrupting system for a vehicular control circuit including a relay switch having a contact connected between a power source and the supply terminal of a control circuit and a...
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...
4774925 Ignition control device  
An ignition control device for an internal combustion engine includes a digital control circuit which functions to reduce gradually a current flowing through a primary side of an ignition coil when...
4770142 Ignition timing control system for internal combustion engine  
An ignition timing control system for an internal combustion engine cuts the ignition when the engine rotational speed is below a threshhold speed indicative of stall. On starting, the threshhold...
4679540 Ignition system  
The present invention is an ignition device comprising a circuit for generating an ignition signal in synchronism with the revolutions of an engine, a circuit for inhibiting an igniting operation,...
4512309 Spark control apparatus  
A spark control apparatus (1) for an internal combustion engine using a breaker point (3) or solid state (5) ignition to control current to an ignition coil (11). The waveform of the ignition...
4402299 Ignition coil energizing circuit  
An ignition coil energizing circuit is provided which has a signal generator for generating an output signal having a frequency corresponding to an engine rotational speed, a switching circuit...
4368717 Automatic shut-off circuit for electronic ignition system  
An electronic ignition system having an automatic shutdown feature is disclosed. In a first embodiment of the invention, should an output terminal of an integrated circuit (10, 10a) remain in a...
4356809 Automotive stall circuit  
A stall circuit is described for use in combination with an electronic adaptive dwell ignition system which allows an ignition coil to be de-energized whenever the frequency of operation of the...
4285314 System to decrease operating jolts in a vehicle by controlling fuel and ignition timing of an internal combustion engine therein  
In an internal combustion engine in which the fuel supply is interrupted during no-load operation to save gas the ignition timing is retarded following resumption of the fuel supply to cause the...
4153031 Apparatus for preventing sparks in the ignition system of an engine while the engine is at rest  
The voltage in the secondary of an ignition coil is prevented from reaching an amplitude at which a spark might be created by a Zener diode connected in parallel with the series transistor acting...
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...
4106460 Hall effect electronic ignition control unit with automatic shut-down timer  
An electronic ignition controller using a Hall Effect pickup Device for use in a ballast-resistorless, inductive-type ignition system for an automotive vehicle internal combustion engine and...
3937193 Electronic ignition system  
An electronic ignition system for a spark-ignition internal combustion engine. The ignition system is of the inductive type and includes an ignition coil having at least a primary winding and a...
3924595 Automatic turn-off for transistorized ignition systems for internal combustion engines  
A d-c energized ignition system for internal combustion engines is first provided with negative feedback means for stabilizing the energizing current flowing through the primary winding of the...
3901205 Stabilized and transistorized ignition system for internal combustion engines  
A transistorized ignition system for internal combustion engines is provided with a first voltage divider including a Zener diode for establishing a fixed voltage standard and with a second voltage...
3874355 IGNITION DEVICE FOR INTERNAL COMBUSTION ENGINE EQUIPPED WITH PROTECTIVE DEVICE  
An ignition device for an internal combustion engine provided with a circuit for protecting the ignition device from thermal damage due to the current flowing across the ignition coil when the...
3861369 IGNITION-CONTROL SYSTEM FOR INTERNAL COMBUSTION ENGINES  
An ignition system for internal combustion engines. It has an oscillator to produce continuous-wave high-frequency spark energy, and includes a control winding for starting and stopping the...
3854466 IGNITION SYSTEM FOR AN INTERNAL COMBUSTION ENGINE  
An ignition system has a switching transistor having an emitter-collector path connected in series with the primary winding of an ignition coil. The latter series combination is connected between...
3262438 Ignition system for internal combustion engines  
1359688 Automatic ignition-switch  
Matches 1 - 26 out of 26