Patent ID: 6811101
Filing Date: 2004-11-02
Classification: F02B,F02M,Y02T

Abstract:
A fuel injection valve body for a direct injection type internal combustion gasoline engine that injects fuel directly into a combustion chamber of the gasoline engine and executes a stratified charge combustion by forming high concentration stratified mixture air around an ignition plug, comprising:a nozzle body tip portion, wherein the nozzle body tip portion is formed with a nozzle hole to inject a fuel directly to the combustion chamber and formed in a protruded shape without forming a corner portion or a recessed portion on a surface thereof, the nozzle hole being exposed to the combustion chamber, and a cap disposed on an outer periphery of the nozzle body tip so as to secure the nozzle body tip to a main body of the fuel injection valve, and wherein a gap is formed between the nozzle body and a tip portion of the cap.