Air fuel mixture A/F control system

Details Air fuel mixture A/F control system Air fuel mixture A/F control system

1986-12-31

1989-10-03

Dolinar, Andrew M.

Internal-combustion engines

Charge forming device

Fuel injection system

123494, 731182, F02D 4118

Patent

active

048709379

ABSTRACT:
The amount of air being inducted into the cylinders of an internal combustion engine is detected and a signal indicative thereof is sampled at a predetermined intervals. The difference between two sampled values is used with the time required for a single induction phase to be carried out, to predict the total amount of air which will be inducted into each cylinder. Utilizing this approximation the amount of fuel which should be injected or otherwise supplied to the engine can be accurately determined and thus enable accurate real-time cycle to cycle A/F control.

REFERENCES:
patent: 4402294 (1983-09-01), McHugh et al.
patent: 4527530 (1985-07-01), Abe et al.
patent: 4562814 (1986-01-01), Abe et al.
patent: 4604703 (1986-08-01), Hasagawa
"Development of the Toyota Lean Combustion System", published in Nainen Kikan, vol. 23, Oct. 1984, pp. 33-40.

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