Air-fuel ratio control for transient modes of internal combustio

Details Air-fuel ratio control for transient modes of internal combustio Air-fuel ratio control for transient modes of internal combustio

1987-01-08

1987-12-15

Wolfe, Willis R.

Internal-combustion engines

Charge forming device

Fuel injection system

123488, 123489, F02D 4110

Patent

active

047125292

ABSTRACT:
The outputs generated by the throttle position sensor and the pressure responsive type air flow sensor (or alternatively a flap type air flow meter or the like) are used to generate correction factors which when combined permit the correction of the air flow sensor output for a short period following the initiation of a demand for engine acceleration to obviate the discrepency between the actual and indicated air flows and thus improve the real-time control of the air-fuel ratio (A/F) of the mixture and the level of emission control and performance of the engine.

REFERENCES:
patent: 4227507 (1980-10-01), Takase et al.
patent: 4487190 (1984-12-01), Isobe
patent: 4512318 (1985-04-01), Ito et al.
patent: 4528964 (1985-07-01), Kashiwaya et al.
patent: 4562814 (1986-01-01), Abo et al.
patent: 4630206 (1986-12-01), Amamo et al.
Matsushita et al, "Development of the Toyota Lean Combustion System", published in Nainen Kikan", vol. 23, Oct. 1984, pp. 33-40.

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