Fuel supply control method for internal combustion engines under

Details Fuel supply control method for internal combustion engines under Fuel supply control method for internal combustion engines under

1983-11-16

1985-03-12

Cox, Ronald B.

Internal-combustion engines

Charge forming device

Fuel injection system

F02B 300

Patent

active

045038295

ABSTRACT:
A fuel supply control method for an internal combustion engine, in which while the rotational speed of the engine is lower than a predetermined value, the mixture is enriched either when a detected value of absolute pressure in the intake pipe of the engine is higher than a first predetermined value or when a detected value of the throttle valve opening is larger than a predetermined value, whereas while the rotational speed of the engine is higher than the predetermined value, the mixture is enriched when a detected value of the intake pipe absolute pressure is higher than a second predetermined value, thereby preventing an excessive increase in the bed temperature of the catalyst device of the engine, as well as ensuring required output performance of the engine.

REFERENCES:
patent: 4334513 (1982-06-01), Nakajima
patent: 4359993 (1982-11-01), Carlson
patent: 4413602 (1983-11-01), Inoue
patent: 4440119 (1984-04-01), Kobayashi

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