Controlling device for quantity of fuel injection in diesel engi

Details Controlling device for quantity of fuel injection in diesel engi Controlling device for quantity of fuel injection in diesel engi

1983-03-03

1985-03-05

Moy, Magdalen Y. C.

Internal-combustion engines

Engine speed regulator

Having condition responsive means with engine being part of...

123501, 123502, F02D 3100

Patent

active

045024391

ABSTRACT:
In a controlling device wherein operating conditions in the respective parts of a Diesel engine are detected by means of sensors, injection timing of fuel is calculated from the results detected, and at the same time a control valve provided in an oil pressure circuit for controlling the timing is controlled by means of electronic control in such that an actual injection timing of fuel obtained by a timer position sensor provided on a fuel injection pump comes to be close to the injection timing calculated, a vehicle which can attain whose minimum traveling by such a way that any abnormality in the timer position sensor is decided in response to a magnitude of output signals from the timer position sensor, at the same time, any trouble or accident of a timer oil pressure circuit is decided on the basis of a difference between the calculated injection timing and the actual injection timing, and the fuel is injected after either decreasing a prescribed quantity from a target quantity of injection obtained by calculation, or decreasing a prescribed quantity from the maximum injection quantity Q.sub.FULL at the time of these decisions.

REFERENCES:
patent: 4342302 (1982-08-01), Straubel et al.
patent: 4395905 (1983-08-01), Fujimori et al.
patent: 4428346 (1984-01-01), Hoshi

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