A supply assembly 1 for a gaseous-fuel engine (60,fig.5).The supply assembly comprises a fuel rail 12 for conveying a gaseous fuel to a plurality of injector units 13. Each injector unit comprising a fuel injector 20 that is at least indirectly connected to the fuel rail and is adapted to inject fuel into the engine. The supply assembly further comprises a lubricant-supply system 30 comprising at least one lubricant doser 31 with an outlet port (38,fig.2), the lubricant doser being adapted to controllably release a liquid lubricant through the outlet port into an injector unit and is mounted to the injector unit. The doser may be a volumetric doser comprising a pump chamber (35,fig.2) communicating with the outlet port and a pump plunger (34,fig.2) that is adapted to displace lubricant into the injector unit during a release process. The supply system may increase a fluid pressure at an inlet port 36 and decrease pressure at a control port (42,fig.2) to introduce lubricant from the inlet to the pump chamber, and decrease fluid pressure at the inlet and increase fluid pressure at the control port to eject lubricant from the chamber.


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    Titel :

    Supply assembly for a gaseous-fuel engine


    Erscheinungsdatum :

    27.12.2023


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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