Internal-combustion engines – Combustion chamber means combined with air-fuel mixture...
Patent
1988-10-25
1990-08-14
Argenbright, Tony M.
Internal-combustion engines
Combustion chamber means combined with air-fuel mixture...
123478, 123492, F02D 4110, F02P 515
Patent
active
049478168
ABSTRACT:
An engine control system introduces a technology of assuming actually required fuel amount to be delivered to each engine cylinder at opening timing of an intake valve of the engine cylinder. In order to derive the assumed fuel demand, a basic fuel supply amount is derived on the basis of a basic fuel supply control parameter including an engine speed data and an intake air amount representative data, an air induction path area variation ratio data and a lag time data from derivation of the air induction path area variation ratio data to opening of the intake valve. The assumed fuel demand data can be used not only for controlling fuel supply but also for spark ignition timing control, air/fuel ratio control and so forth so that the engine operation control may precisely follow the actual engine driving condition for optimizing the engine performance.
REFERENCES:
patent: 4442812 (1984-04-01), Mizuno et al.
patent: 4463732 (1984-08-01), Isobe et al.
patent: 4548178 (1985-10-01), Sato et al.
patent: 4549516 (1985-10-01), Koumura
patent: 4573443 (1986-03-01), Watanabe et al.
Nakaniwa Shinpei
Tomisawa Naoki
Argenbright Tony M.
Japan Electronic Control Systems Company Limited
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