The invention provides a ship propulsion device, a ship, and a ship propulsion method. The ship (1) is provided with: a gas turbine (14) that is driven by exhaust gas from a main engine (12) that is additionally provided with a supercharger (22) and drives a propulsion propeller (29); a steam turbine (18) that is driven by steam generated by the exhaust gas; ship equipment (44) that operates as a result of being supplied with power generated by a turbine generator (20); and a power-assist motor (46) that operates as a result of being supplied with power generated by the turbine generator (20) and that assists the main engine (12). The ship propulsion device (10) drives the assistance motor (46) using a surplus power amount that is the difference between the amount of power generated by the turbine generator (20) and the amount of power required by the ship equipment (44), and reduces the bleed air flow of exhaust gas to the gas turbine (14) when the power consumption amount of the power-assist motor (46) arrives at a preset power amount and the amount of generated power exceeds the total of the power consumption amount and the required power amount of the ship equipment (44).


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    Titel :

    Ship propulsion device, ship, and ship propulsion method


    Beteiligte:

    Erscheinungsdatum :

    2015-06-03


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    B63H Schiffsantrieb oder Steuerung der Schiffe , MARINE PROPULSION OR STEERING / B63J Hilfsanlagen auf Schiffen , AUXILIARIES ON VESSELS / 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



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