JPH0171148U - - Google Patents

Description

[Brief explanation of drawings]

Fig. 1 is a basic conceptual diagram of the present invention, Fig. 2 is a block diagram showing an embodiment of the invention, Fig. 3 is a block diagram showing the functions of a control unit used in the above embodiment, and Fig. 4 is a block diagram showing the functions of a control unit used in the above embodiment. A characteristic diagram showing the characteristics of each part of the above embodiment, Fig. 5 is a flowchart showing the fuel injection amount calculation routine of the above embodiment, and Fig. 6 is an example of a fuel system of an internal combustion engine equipped with a conventional electronically controlled fuel injection device. Fig. 7 is a block diagram of the air supply system and electronic control system, Fig. 8 is a characteristic diagram showing the relationship between battery voltage and battery voltage correction value, and Fig. 9 shows water temperature and water temperature increase correction coefficient. A characteristic diagram showing the relationship between KWT and Figure 10 is a characteristic diagram showing the relationship between water temperature and the initial value of the post-start increase correction coefficient KAS.
The figure is a characteristic diagram showing the relationship between the water temperature and the initial value of the post-idle increase correction coefficient, and Figure 12 is the water temperature and the correction coefficient TS.
Figure 13 is a characteristic diagram showing the relationship between engine speed and correction coefficient KNST, Figure 14 is a characteristic diagram showing the relationship between elapsed time after startup and correction coefficient KTST, and Figure 15 is acceleration. FIG. 16 is a characteristic diagram showing the relationship between the elapsed time and the correction coefficient KACC, and FIG. 16 is a characteristic diagram showing the relationship between the elapsed deceleration time and the correction coefficient KDEC. 6... Engine, 10... Injector, 12... Cooling water temperature sensor, 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] means for detecting the intake air flow rate, rotation speed, and engine temperature of the engine; and intake air flow rate correction calculation means for correcting the detected value of the intake air flow rate according to the engine temperature during transient operation of the engine; a fuel supply amount calculation means for calculating a fuel supply amount based on the intake air flow rate calculated by the calculation means and the engine rotational speed; and supplying the engine with the amount of fuel calculated by the calculation means. A fuel supply device for an internal combustion engine, comprising: a fuel supply means.