A double walled fuel gas supply apparatus 3 for an engine 1, including a double walled valve 20, a gas fuelled engine and method of supplying fuel gas to an engine are disclosed. The apparatus includes a vibration decoupler 8 for connecting pipework 6, which comprises an inner 10 and outer 11 flowpath, to an upstream fuel supply system 9. The valve 20 is mounted on the pipework and has an element that controls the inner flowpath in response to a sensed parameter of the fuel gas downstream of the valve. The valve member may be actuated via a pressurised pilot gas supply 40. A pilot valve may be mounted on the valve 20 body or the pipework to control the pilot gas. The arrangement allows the fuel gas supply pressure to be matched to the demand of the engine under varying load or speed, whilst limiting any hysteresis in the control system, which is associated with the length of pipework.


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    Title :

    Fuel gas supply arrangement for internal combustion engine


    Contributors:

    Publication date :

    2019-05-08


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    F02M Zuführen von Brennstoff-Luft-Gemischen oder deren Bestandteilen bei Brennkraftmaschinen allgemein , SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF / B63H Schiffsantrieb oder Steuerung der Schiffe , MARINE PROPULSION OR STEERING / F02D CONTROLLING COMBUSTION ENGINES , Steuern oder Regeln von Brennkraftmaschinen



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