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

1984-03-15

1985-12-24

Nelli, Raymond A.

Internal-combustion engines

Spark ignition timing control

Electronic control

123418, F02P 504

Patent

active

045599157

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 ratio leaner 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: 4436072 (1984-03-01), Suzuki et al.
patent: 4446832 (1984-05-01), Matsumura et al.

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