Control apparatus for cylinder injection type internal combustion engine

摘要

A control apparatus for a cylinder injection type internal combustion engine (10) is disclosed, wherein the fuel injection mode of the engine (10) is switched between a compression stroke injection and an intake stroke injection. When the engine (10) is cold, the compression stroke injection is selected for the injection mode so that injected fuel collides with the top surface of a piston (14) and is directed toward the vicinity of a spark plug (23). The control apparatus comprises decrease correction means. When the fuel injection mode is switched to the intake stroke injection, the decrease correction means decreases the fuel injection amount during the execution of the intake stroke injection from when the fuel injection mode is switched until a predetermined period elapses. The control apparatus comprises determining means, wherein, based on the condition of the engine (10) when the compression stroke injection is selected for the fuel injection mode, the determining means estimates the amount of fuel adhered on the top surface of the piston (14) at a time when the fuel injection mode is switched to the intake stroke injection.