Spark ignition systems

Internal-combustion engines – Intake manifold – Manifold tuning – balancing or pressure regulating means

Patent

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Details

1231465A, 123148E, F02P 504

Patent

active

039981932

ABSTRACT:
A spark ignition system for a vehicle produces pulses representing the engine crankshaft angle. These pulses are counted, and compared with a datum signal which varies in accordance with engine conditions. When the two signals compared are equalled, then a spark is produced.

REFERENCES:
patent: 3592178 (1971-07-01), Schiff
patent: 3677255 (1977-07-01), Withem
patent: 3696303 (1972-10-01), Hartig
patent: 3749073 (1973-07-01), Asplund
patent: 3757755 (1973-09-01), Caines
patent: 3835819 (1974-09-01), Anderson

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