Ignition control device for internal combustion engine with pred

Details Ignition control device for internal combustion engine with pred Ignition control device for internal combustion engine with pred

1989-07-13

1990-06-26

Nelli, Raymond A.

Internal-combustion engines

Charge forming device

Fuel injection system

123419, F02P 500

Patent

active

049362755

ABSTRACT:
In an electronic ignition control device which operates based upon a sawtooth shaped crankshaft rotation position signal with conversion of the sawtooth shaped signal into an on/off pulse signal, a ratio of on or off duration of the on/off pulse signal to a cycle time span thereof is used to predict a next top dead center and to determine the ignition timing thereupon.

REFERENCES:
patent: 4616617 (1986-10-01), Geiger et al.
patent: 4690122 (1987-09-01), Sasakura et al.
patent: 4741310 (1988-05-01), Yagi et al.
patent: 4748952 (1988-06-01), Yagi et al.
patent: 4759327 (1988-07-01), Nagano et al.
patent: 4799469 (1989-01-01), Nagano et al.
patent: 4809664 (1989-03-01), Nakamoto et al.
patent: 4825832 (1989-05-01), Satoh et al.
patent: 4841932 (1989-06-01), Hansen et al.
patent: 4848299 (1989-07-01), Satoh et al.

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