Method of controlling air-fuel ratio and ignition timing in inte

Details Method of controlling air-fuel ratio and ignition timing in inte Method of controlling air-fuel ratio and ignition timing in inte

1985-08-20

1987-04-21

Nelli, Raymond A.

Internal-combustion engines

Spark ignition timing control

Electronic control

123418, 123478, F02P 500

Patent

active

046587853

ABSTRACT:
In a steady running condition of a vehicle, an air-fuel ratio is controlled to be equalized in value to a target air-fuel lener than a stoichiometric air-fuel ratio and an ignition timing is controlled to be equalized in value to a required ignition timing, so that a fuel consumption can be improved.

REFERENCES:
patent: 4207847 (1980-06-01), Hattori et al.
patent: 4492202 (1985-01-01), Marumatsu et al.
patent: 4495930 (1985-01-01), Nakajima
patent: 4528956 (1985-07-01), Ogata et al.
patent: 4552116 (1985-11-01), Kuroiwa et al.

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