CAPACITOR DISCHARGE IGNITION SYSTEM FOR INTERNAL COMBUSTION ENGINE
The capacitor discharge ignition system for an internal combustion engine includes an ignition capacitor charged by a power supply and discharged through the primary of an ignition coil when a silicon controlled rectifier (SCR) becomes conductive in response to a trigger voltage is applied to the ga...
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Format: | Patent |
Sprache: | eng ; fre |
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Zusammenfassung: | The capacitor discharge ignition system for an internal combustion engine includes an ignition capacitor charged by a power supply and discharged through the primary of an ignition coil when a silicon controlled rectifier (SCR) becomes conductive in response to a trigger voltage is applied to the gate of the SCR. A resistor-capacitor delay circuit on the output of the SCR delays rapid discharge of the capacitor to thereby delay the spark at the spark plug in the secondary of the coil. A second SCR is connected to shunt the RC time delay to effectively advance the spark timing in response to predetermined engine speed. |
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