Patent ID: 6813880
Filing Date: 2004-11-09
Classification: F01N,F02B,F02D,F02M

Abstract:
A fuel injection controlling apparatus for a Diesel engine including first fuel injection means for supplying a fuel into cylinders and second fuel injection means for supplying the fuel to an intake passage, for conducting lean combustion under a normal operating condition, said fuel injection controlling apparatus comprising:engine load detection means: and a controller for inputting a detection signal from said engine load detection means based on engine speed and a fuel injection amount, and causing said first fuel injection means to inject the fuel into the cylinders when an engine load is in a high load zone and said second fuel injection means to inject the fuel into said intake passage when the engine load is in a low load zone, said controller also causing both of said first and second fuel injection means to inject the fuel when the engine load is inside a predetermined boundary zone between a high load zone and a low load zone.