Air-fuel ratio control system for internal combustion engines

Details Air-fuel ratio control system for internal combustion engines Air-fuel ratio control system for internal combustion engines

1992-03-27

1993-02-02

Argenbright, Tony M.

Internal-combustion engines

Charge forming device

Fuel injection system

123492, F02D 4114

Patent

active

051830213

ABSTRACT:
An air-fuel ratio control system for internal combustion engine using fuel containing alcohol corrects an amount of fuel supplied to the engine by a correction amount dependent on load on the engine when the engine is in a predetermined high load region. The concentration of alcohol in the fuel is detected, and the correction amount is decreased to a smaller value as the detected concentration of alcohol in the fuel is higher.

REFERENCES:
patent: 4495930 (1985-01-01), Nakajima
patent: 4993386 (1991-02-01), Ozasa et al.
patent: 5056490 (1991-10-01), Kashina
patent: 5094208 (1992-03-01), Adam et al.
patent: 5121732 (1992-06-01), Benninger et al.

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