Ignition control system of internal combustion engine

Details Ignition control system of internal combustion engine Ignition control system of internal combustion engine

1982-09-03

1985-06-04

Cox, Ronald B.

Internal-combustion engines

Charge forming device

Fuel injection system

123416, 123479, F02P 504

Patent

active

045207810

ABSTRACT:
An ignition control system of an internal combustion engine comprises spark plugs (21a to 21d), a spark plug driving means (15 to 20 and 22), a rotational angle position signal generating means (1 to 5), an ignition enabling signal generating means (6 to 14), and an ignition enabling means (23 to 27). The ignition enabling signal generating means is adapted to make predictive evaluation of the succeeding ignition timing based on the pulse signals (P.sub.1 and P.sub.2) obtained from the rotational angle position signal generating means, thereby to generate a pulse signal (R). The ignition enabling means enables the pulse signal (R) to be applied to the spark plug enabling means only during the ignition timing range allowable for the engine. The spark plug enabling means is responsive to the pulse signal (R) to cause ignition by the spark plugs. Accordingly, abnormal ignition is prevented from occurring even when the pulse signal (R) is generated at an abnormal timing due to deviation of predictive evaluation due to an abrupt change of the rotational speed of the engine and the like.

REFERENCES:
patent: 3927648 (1975-12-01), Kawai et al.
patent: 4112895 (1978-09-01), Habert
patent: 4157699 (1979-05-01), Mori
patent: 4266518 (1981-05-01), Nishida
patent: 4317437 (1982-03-01), Lindgren
patent: 4352345 (1982-10-01), Menard
patent: 4370962 (1983-02-01), Hosaka
patent: 4377996 (1983-03-01), Yamaguchi

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