Electric ignition control system

Details Electric ignition control system Electric ignition control system

1977-01-10

1979-11-27

Jordan, Charles T.

Internal-combustion engines

Intake manifold

Manifold tuning, balancing or pressure regulating means

F02P 504

Patent

active

041755065

ABSTRACT:
An electric ignition control system for an internal combustion engine has a first pulse generator for producing pulses at each 180.degree. interval of crank shaft revolution, a second pulse generator for delivering a predetermined number of pulses, such as 1800 counts, during each 180.degree. interval, and a read only memory for producing a digital signal representing ignition timing in response to both engine speed and throttle opening. When the first counter circuit has counted the number of the second pulse generator pulses equal to the digital value of the digital signal from the memory, the primary current of an ignition coil applied from a battery to the primary coil thereof is interrupted for producing a high voltage to establish an ignition spark across the gap of a spark plug.

REFERENCES:
patent: 3738339 (1973-06-01), Huntzinger et al.
patent: 3919987 (1975-11-01), Haubner et al.

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