Fuel injection control device for internal combustion engine
A fuel injection and control device technology, applied in fuel injection control, engine control, electrical control, etc., can solve problems such as uncontrollable fuel pressure, unsure fuel pressure, fuel pressure drop, etc.
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[0042] Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the drawings. Such as figure 1 with figure 2 As shown, a fuel injection control device 1 to which the present invention is applied has an ECU (Electronic Control Unit) 2 and executes various control processes including fuel injection control and the like of an internal combustion engine (hereinafter referred to as "engine") 3 .
[0043] The engine 3 is, for example, a gasoline engine having four cylinders 3 a (only one is shown), and is mounted on a vehicle (not shown) as a power source. An intake pipe 4 and an exhaust pipe 5 are connected to each cylinder 3a, and the intake valve 6 and the exhaust valve 7 provided on the intake port and the exhaust port of the intake pipe 4 and exhaust pipe 5 are controlled by the intake camshaft respectively. 8 and exhaust camshaft 9 drives.
[0044] Further, a fuel injection valve (hereinafter referred to as "injector") 10 i...
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