Operating apparatus for lean burn internal combustion engine

Details Operating apparatus for lean burn internal combustion engine Operating apparatus for lean burn internal combustion engine

1984-11-13

1986-09-02

Lall, Parshotam S.

Internal-combustion engines

Charge forming device

Fuel injection system

123489, 123480, 123422, F02P 514

Patent

active

046089560

ABSTRACT:
An internal combustion engine of a lean burn type, wherein the air-fuel ratio is feedback controlled to a predetermined fixed value which is higher than a theoretical air-fuel ratio. The ignition timing is changed when the air-fuel ratio as detected by a lean sensor is off from the target air-fuel ratio, enabling quick control of the engine when the air-fuel ratio is off from the target air fuel ratio.

REFERENCES:
patent: 4231733 (1980-11-01), Hickam et al.
patent: 4264425 (1981-04-01), Kimura et al.
patent: 4389994 (1983-06-01), Denz et al.
patent: 4391253 (1983-07-01), Ito
patent: 4403584 (1983-09-01), Suzuki et al.
patent: 4425890 (1984-01-01), Yamaguchi
patent: 4442812 (1984-04-01), Mizuno et al.
patent: 4481908 (1984-11-01), Iida
patent: 4508075 (1985-04-01), Takao et al.

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