Fuel supply control method for internal combustion engines at st

Details Fuel supply control method for internal combustion engines at st Fuel supply control method for internal combustion engines at st

1986-10-16

1988-04-26

Cox, Ronald B.

Internal-combustion engines

Charge forming device

Fuel injection system

123179L, F02B 302

Patent

active

047397411

ABSTRACT:
A method of controlling fuel supply to an internal combustion engine at the start thereof. A fuel quantity to be supplied to said engine is set in dependence on a temperature of the engine when the engine is in a predetermined starting condition, and the fuel quantity thus set is corrected to an increased value by means of a correction value which varies with a rise in the rotational speed of the engine. The varying rate of the correction value is set in dependence on the engine temperature such that the set fuel quantity decreases at a first rate with a rise in the engine rotational speed when the engine temperature is higher than a predetermined value, and at a second rate smaller than the first rate with a rise in the engine rotational speed when the engine temperature is lower than the predetermined value. The set fuel quantity is corrected by means of the correction value having its varying rate set as above while the engine is in the predetermined starting condition.

REFERENCES:
patent: 4193380 (1980-03-01), Marchak
patent: 4239022 (1980-12-01), Drews
patent: 4432325 (1984-02-01), Auracher
patent: 4438748 (1984-03-01), Ikeura
patent: 4444173 (1984-04-01), Yamato
patent: 4478194 (1984-10-01), Yamato
patent: 4492206 (1985-01-01), Hasegawa
patent: 4582036 (1986-04-01), Kiuchi

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