Patent ID: 6905083
Filing Date: 2005-06-14
Classification: F02M

Abstract:
1. An internal combustion engine fuel injector comprising an injector body having a seat for a metering valve in turn having a control chamber for controlling a control rod; said control chamber having a pressurized-fuel inlet conduit and a drain conduit controlled by a corresponding shutter; wherein said control chamber is defined by two coaxial parts fixed in said seat; one of said parts guiding said control rod and having one of said conduits; and the other of said parts closing said control chamber and having the other of said conduits; and wherein said one part is defined by a hollow member having a substantially cylindrical through opening and said inlet conduit; said hollow member being housed in said seat and guiding said control rod axially; said other part being defined by a plug member having said drain conduit and engaging in fluidtight manner a first end edge of said hollow member to close said through opening.