A vessel propulsion apparatus (2) includes an engine (5) that rotates a crankshaft (23) in a forward rotation direction, a rotation speed detector (25, 74) that detects a rotation speed of the crankshaft (23), a propeller shaft (19) coupled to a propeller (4), a shift switch (20) that switches between a engaged state and a neutral state, a shift state detector (33), an intake passage (50), a throttle valve (48), an intake pressure sensor (51), and a controller (6). The controller (6) determines that the crankshaft (23) is reversely rotating by an external force input from the propeller shaft (19) when a predetermined reverse rotation recording condition is satisfied, and stores reverse rotation information. The reverse rotation recording condition includes a condition that an intake pressure after the shift switch (20) switches from a neutral state to a engaged state while the crankshaft (23) rotates in the forward rotation direction is larger than a value equal to or higher than atmospheric pressure.


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    Titel :

    VESSEL PROPULSION APPARATUS


    Weitere Titelangaben:

    SCHIFFSANTRIEBSVORRICHTUNG
    APPAREIL DE PROPULSION DE NAVIRE


    Beteiligte:
    TOKUDA KOTA (Autor:in)

    Erscheinungsdatum :

    2018-10-03


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    B63H Schiffsantrieb oder Steuerung der Schiffe , MARINE PROPULSION OR STEERING / F02D CONTROLLING COMBUSTION ENGINES , Steuern oder Regeln von Brennkraftmaschinen / G05D SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES , Systeme zum Steuern oder Regeln nichtelektrischer veränderlicher Größen



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