F - Mech Eng,Light,Heat,Weapons – 02 – P
Patent
F - Mech Eng,Light,Heat,Weapons
02
P
317/5.4
F02P 1/00 (2006.01) F02B 61/04 (2006.01) F02P 3/09 (2006.01)
Patent
CA 1237470
ABSTRACT 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.
452998
Outboard Marine Corporation
Smart & Biggar
LandOfFree
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