Electronic control ignition system for internal combustion engin

Details Electronic control ignition system for internal combustion engin Electronic control ignition system for internal combustion engin

1989-04-27

1990-10-30

Nelli, Raymond A.

Internal-combustion engines

Charge forming device

Fuel injection system

123617, F02P 900

Patent

active

049661167

ABSTRACT:
An electronic control ignition system, for internal combustion engines, is disclosed in which a rotation angle of a crank shaft of an engine is calculated. The angle is calculated based on a crank angle signal generated every time the crank shaft rotates by a certain angle. Further based on the calculation result, ignition timing is controlled. The control is made to obtain an optimum ignition timing. This optimum ignition timing is based on one train of signals generated every time the crank shaft of the engine rotates by a certain angle, and (n/2-1) (n is an even number equal to or larger than 4) identical train of signals, generated subsequently with a phase delay of 1
wavelength.

REFERENCES:
patent: 4509482 (1985-04-01), Minner et al.
patent: 4671237 (1987-06-01), Miura et al.
patent: 4809661 (1989-03-01), Kinoshita et al.
patent: 4854284 (1989-08-01), Hara et al.
patent: 4854285 (1989-08-01), Kanno et al.

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