A marine motor having an internal combustion engine having an engine block with at least one cylinder, an air intake, an exhaust conduit configured to direct a flow of exhaust gas from the at least one cylinder, and an exhaust gas recirculation system configured to recirculate a portion of the flow of exhaust gas from the exhaust conduit to the air intake. The exhaust gas recirculation system includes a first exhaust gas recirculation circuit with at least one first EGR cooler having a first overall conductance, and includes a second exhaust gas recirculation circuit with at least one second EGR cooler having a second overall conductance which is greater than the first overall conductance. The exhaust gas recirculation system also includes flow control means configured to selectively vary the relative proportions of first and second flows of recirculated exhaust gas through the first and second exhaust gas recirculation circuits to allow the amount of exhaust gas cooling to be varied.


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    Titel :

    Marine motor with a dual-flow exhaust gas recirculation system


    Beteiligte:
    RICHARD CORNWELL (Autor:in) / ANOOP SELVARAJ (Autor:in)

    Erscheinungsdatum :

    02.12.2020


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

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



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