JPS6334339U - - Google Patents

Description

[Brief explanation of the drawing]

Figure 1 is a block diagram showing the configuration and functions of the present invention, Figure 2 is a block diagram showing an embodiment of the present invention, and Figure 3 is a block diagram showing the configuration and functions of the present invention.
The figure is a block diagram showing the functions of the control unit used in the above embodiment, Fig. 4 is a characteristic diagram showing the characteristics of each part of the above embodiment, and Fig. 5 is a flowchart showing the fuel injection amount calculation routine of the above embodiment. ,
FIG. 6 is a flowchart showing a fuel injection amount calculation routine according to another embodiment of the present invention, FIG. 7 is a configuration diagram showing an example of a fuel system of an internal combustion engine equipped with an electronically controlled fuel injection device, and FIG. Similarly, FIG. 9 is a configuration diagram of the air supply system and electronic control system, and FIG. 9 is a characteristic diagram showing the relationship between battery voltage and battery voltage correction value.
Figure 0 is a characteristic diagram showing the relationship between water temperature and water temperature increase correction coefficient KWT, Figure 11 is a characteristic diagram showing the relationship between water temperature and the initial value of the after-start increase correction coefficient KAS, and Figure 12 is a characteristic diagram showing the relationship between water temperature and the after-idling increase correction coefficient. Figure 13 is a characteristic diagram showing the relationship between the initial value of , Figure 13 is a characteristic diagram showing the relationship between water temperature and correction coefficient TST, Figure 14 is a characteristic diagram showing the relationship between engine speed and correction coefficient KNST, and Figure 15 is a characteristic diagram showing the relationship between engine speed and correction coefficient KNST. FIG. 16 is a characteristic diagram showing the relationship between elapsed time and correction coefficient KTST, FIG. 16 is a characteristic diagram showing the relationship between conventional elapsed time after acceleration and correction coefficient KACC, and FIG. 17 is a characteristic diagram showing the relationship between conventional deceleration elapsed time and correction coefficient KDEC. FIG. 6... Engine, 10... Injector, 15...
Air flow meter, 17... Throttle valve, 22... Crank angle sensor, 31... Control unit, 32... Throttle valve opening sensor.

Claims (1)

[Scope of utility model registration request] basic fuel supply amount calculation means for calculating the basic fuel supply amount based on the intake air flow rate and rotation speed; Compensation calculation means for correcting the basic fuel supply amount during transient operation according to the elapsed time of transient operation, and fuel supply means for supplying the engine with the amount of fuel calculated by these calculation means. In the fuel supply system for an internal combustion engine, a correction stop means is provided for stopping the correction of the fuel supply amount by the correction calculation means when at least one of the engine speed and the throttle valve opening exceeds the respective set value. A fuel supply system for an internal combustion engine featuring features.