Method of and apparatus for controlling fuel injection

Details Method of and apparatus for controlling fuel injection Method of and apparatus for controlling fuel injection

1984-08-02

1985-06-04

Cox, Ronald B.

Internal-combustion engines

Charge forming device

Fuel injection system

123488, 123490, F02B 300

Patent

active

045207844

ABSTRACT:
There is disclosed an internal combustion engine in which synchronous fuel injection is conducted at every predetermined crank angle and an asynchronous fuel injection is conducted regardless of the crank angle. The engine is provided with an electronical control circuit which computes a quantity of fuel to be injected in each synchronous fuel injection on the basis of a load applied to the engine and an engine speed. A variance of intake pressure in said engine is computed. The computed variance is compared with a reference level which is determined to be greater as the intake pressure becomes higher. In the case of detection of the variance of the intake pressure being greater than said reference level, said quantity of fuel to be injected is increased.

REFERENCES:
patent: 4002152 (1977-01-01), Hoshi
patent: 4197767 (1980-04-01), Leung
patent: 4266522 (1981-05-01), Williams

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