Method of controlling fuel injection and apparatus therefor

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

1984-07-30

1985-06-04

Cox, Ronald B.

Internal-combustion engines

Charge forming device

Fuel injection system

123493, 123494, 123422, F02B 300

Patent

active

045207836

ABSTRACT:
A fuel injection quantity is calculated on the basis of an engine speed and an engine load and is corrected by an output incremental value determined in accordance with acceleration and deceleration of an engine, at least. The position of an intake throttle valve is detected with regard to whether it is located within a small-opening region, an intermediate-opening region or a large-opening region. When the intake throttle valve is switched over from the small-opening region to the large-opening region, the output incremental value is increased to its maximum value. When the intake throttle valve is switched over from the small-opening region to the intermediate-opening region, the output incremental value is increased such as to gradually approach the maximum value. When the intake throttle valve is switched over from the large-opening region to the small-opening region, the output incremental value is decreased to almost zero. Further, when the intake throttle valve is switched over from the large-opening region to the intermediate-opening region, the output incremental value is gradually attenuated toward almost zero.

REFERENCES:
patent: 3593692 (1971-07-01), Scholl
patent: 3720191 (1973-03-01), Rachel
patent: 4458651 (1984-07-01), Inoue

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