Air/fuel ratio control system for internal combustion engine

Details Air/fuel ratio control system for internal combustion engine Air/fuel ratio control system for internal combustion engine

1986-11-28

1988-02-09

Argenbright, Tony M.

Internal-combustion engines

Charge forming device

Fuel injection system

123179L, F02D 4106

Patent

active

047235233

ABSTRACT:
An air/fuel ratio control system for an internal combustion engine that compensates, the amount of fuel supplied at engine starting based on lapsed time since the engine was operated and stopped. A lapse time from the immediately previous engine stop to the subsequent engine start is determined. Based on this lapse time, an increase value of fuel to be supplied into the engine's intake air by fuel injection valves is determined. This increase value is determined according to a pre-established of fuel temperature. The fuel supply amount is corrected upon engine start on the basis of the increase value.

REFERENCES:
patent: 4462375 (1984-07-01), Isobe et al.
patent: 4469072 (1984-09-01), Kobayashi et al.
patent: 4508077 (1985-04-01), Shimbara
patent: 4528963 (1985-07-01), Bessho et al.
patent: 4543937 (1985-10-01), Amano et al.

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