An exhaust system for a marine outboard engine including an engine having an engine exhaust port. The exhaust system includes a first exhaust port, a second exhaust port vertically higher than the first exhaust port, a first passage for fluidly connecting to the engine exhaust port and fluidly connected to the first exhaust port, a second passage fluidly connected between the first passage and the second exhaust port, a catalytic converter defining at least in part the second passage, a valve operable to at least partially close the first passage to respectively reduce and increase flow of exhaust gas to the first exhaust port and the second exhaust port, a valve actuator operatively connected to the valve, and a controller operatively connected to the valve actuator for controlling a position of the valve based at least in part on a speed and a throttle request of the engine.


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    Titel :

    Exhaust system for a marine outboard engine


    Beteiligte:
    WASIL JEFFREY (Autor:in) / BROUGHTON GEORGE (Autor:in)

    Erscheinungsdatum :

    29.12.2020


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    F01N GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL , Schalldämpfer oder Auspuffvorrichtungen für Gase von Kraft- und Arbeitsmaschinen oder von Kraftmaschinen allgemein / B63H Schiffsantrieb oder Steuerung der Schiffe , MARINE PROPULSION OR STEERING



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