| 摘要 |
A fuel injector (200) for an internal combustion engine is disclosed. The fuel injector is installable in a cylinder head bore of a cylinder head of the engine and comprises a body region (B) arranged to be received within the cylinder head bore, and a head region (H) arranged to extend outside the cylinder head bore to protrude from the cylinder head when the injector is installed in the cylinder head bore, a first valve needle (116) arranged to control the injection of a gaseous fuel from a first outlet, a second valve needle (120) arranged to control the injection of a liquid fuel from a second outlet, a gaseous fuel inlet (130) for admitting the gaseous fuel to the injector, and a liquid fuel inlet (156) for admitting the liquid fuel to the injector. The gaseous fuel inlet (130) is disposed in the body region (B) of the injector, and wherein the liquid fuel inlet (156) is disposed in the head region (H) of the injector. Preferably, the injector includes an internal accumulator volume (270) so that an external fuel rail is not necessary. |
