Internal-combustion engines – Charge forming device – Fuel injection system
Patent
1984-06-08
1986-03-18
Dolinar, Andrew M.
Internal-combustion engines
Charge forming device
Fuel injection system
123274, 123486, 123491, F02D 4108
Patent
active
045761345
ABSTRACT:
A fuel supply control method for an internal combustion engine having exhaust gas purifying means arranged in its exhaust passage, in which a plurality of predetermined basic fuel quantity values corresponding, respectively, to different predetermined values of at least one operating parameter of the engine are selectively read out in response to detected values of the same parameter to thereby determine fuel supply quantities appropriate to operating conditions of the engine. Among the above basic fuel quantity values, those which correspond to ones of the above predetermined parameter values that are to be assumed when the engine is operating in an idling region are set at such predetermined values as to obtain an air-fuel mixture having a predetermined air-fuel ratio at which the exhaust gas purifying means can exhibit the maximum conversion efficiency. When the engine is operating in the idling region, each of the above corresponding basic fuel quantity values which is read out is decreased by a predetermined correction amount.
REFERENCES:
patent: 4201159 (1980-05-01), Kawai et al.
patent: 4306529 (1981-12-01), Chiesa et al.
patent: 4313412 (1982-02-01), Hosaka et al.
patent: 4418674 (1983-12-01), Hasegawa et al.
Otobe Yutaka
Yamato Akihiro
Dolinar Andrew M.
Honda Giken Kogyo K.K.
Lessler Arthur L.
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