MEASURING A SPARK OF A SPARK PLUG

The subject matter of this specification can be embodied in, among other things, an internal combustion engine ignition system includes a voltage divider configured to be coupled to a primary transformer ignition coil connector, the voltage divider configured to reduce a voltage received from the pr...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	Weaver, Jeffrey S, Petruska, David C
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS BLASTING COMBUSTION ENGINES CORONA DEVICES ELECTRICITY GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS IGNITION, OTHER THAN COMPRESSION IGNITION, FORINTERNAL-COMBUSTION ENGINES INDUCTANCES LIGHTING MAGNETS MEASURING MEASURING ELECTRIC VARIABLES MEASURING MAGNETIC VARIABLES MECHANICAL ENGINEERING OVERVOLTAGE ARRESTERS USING SPARK GAPS PHYSICS SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES SPARK GAPS SPARKING PLUGS TESTING TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES TRANSFORMERS WEAPONS
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Beschreibung
Zusammenfassung:	The subject matter of this specification can be embodied in, among other things, an internal combustion engine ignition system includes a voltage divider configured to be coupled to a primary transformer ignition coil connector, the voltage divider configured to reduce a voltage received from the primary transformer ignition coil to a controller voltage, a comparator circuit with an input coupled to an output of the voltage divider, and a controller configured to detect the voltage output of the voltage divider, detect the voltage output of a vehicle electric power supply, detect the voltage output of a comparator, and determine an estimated breakdown voltage of a spark plug based on the detected output voltage of the voltage divider and the detected voltage of the power supply.