Fuel injection control method for multi cylinder internal combus

Details Fuel injection control method for multi cylinder internal combus Fuel injection control method for multi cylinder internal combus

1984-04-30

1985-04-02

Lall, Parshotam S.

Internal-combustion engines

Charge forming device

Fuel injection system

F02M 5100

Patent

active

045080852

ABSTRACT:
A method of sequentially injecting fuel into the cylinders of a multi cylinder internal combustion engine in predetermined sequence in synchronism with generation of pulses of a trigger signal, wherein the quantity of fuel to be injected into each cylinder is set to a value appropriate to an operating condition of the engine then detected, upon generation of each pulse of the same signal. When an accelerating condition of the engine is detected, an acceleration fuel increment is set at the time of generation of a present pulse of the trigger signal, and an additional injection of the set acceleration fuel increment is effected into a cylinder into which one of the sequential injections was effected at the time of generation of a preceding pulse of the trigger signal. The acceleration fuel increment is preferably set to a value corresponding to the difference between a fuel injection quantity set at the time of generation of a present pulse of the trigger signal and a fuel injection quantity supplied to the engine at the time of generation of a preceding pulse of the same signal.

REFERENCES:
patent: 4184458 (1980-01-01), Aoki et al.
patent: 4424568 (1984-01-01), Nishimura et al.
patent: 4434769 (1984-03-01), Otobe et al.
patent: 4457283 (1984-07-01), Kobayashi et al.

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