JPS63141858U - - Google Patents

Description

[Brief explanation of drawings]

Fig. 1 is a basic conceptual diagram of the present invention, Figs. 2 to 7 are diagrams showing an embodiment of the invention, Fig. 2 is its overall configuration, and Fig. 3 is a program for generating the cut intermittent signal. 4 is a diagram showing the relationship between the rotation speed and the fuel cut pattern, FIG. 5 is a waveform diagram to explain the action of the counter and fuel cut flag, and FIG. 6 is a diagram showing the fuel injection pulse width A flowchart showing the program to be set and FIG. 7 is a timing chart for explaining the time ratio. 4...Injector (fuel supply means), 10...
. . . Operating state detection means, 11 . . . Control unit (excess amount calculation means, time ratio setting means, cut command means, supply amount calculation means).

Claims (1)

[Scope of Claim for Utility Model Registration] (a) Operating state detection means for detecting the operating state of the engine using the engine load and engine speed as parameters; (b) Comparing the engine speed with a predetermined fuel cut speed; (c) time ratio setting means for setting the fuel cut execution time per unit time as a cutting time ratio based on the excess amount; (d) ) a cut command means for instructing to cut fuel according to the cutting time ratio when the engine rotation speed exceeds the fuel cut rotation speed; (e) calculating the fuel supply amount based on the operating state of the engine; (f) supply amount calculation means for correcting the fuel supply amount so that when a fuel cut is commanded, a fuel cut state corresponding to the cut time ratio is obtained; (f) supply amount calculation means for supplying fuel based on the output of the supply amount calculation means; A fuel supply control device for an internal combustion engine, comprising: a fuel supply means for controlling the fuel supply;