Ignition timing system with feedback correction

Internal-combustion engines – High tension ignition system – Having dwell control

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Details

123644, 123426, F02D 515

Patent

active

049131230

ABSTRACT:
Control of spark timing of an ignition system for an internal combustion engine uses a feedback correction signal which is a function of back EMF generated in the primary winding of an ignition coil in response to current change in the secondary winding of the ignition coil due to spark breakdown.

REFERENCES:
patent: 4018202 (1977-04-01), Gartner
patent: 4367722 (1983-01-01), Mizuno
patent: 4380989 (1983-04-01), Takaki
patent: 4446843 (1984-05-01), Rumbaugh et al.
patent: 4649888 (1987-03-01), Kawai et al.
patent: 4711226 (1987-12-01), Neuhalfen et al.

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