The present invention relates to a helm pump which increases a life expectancy by improving confidentiality. According to an embodiment of the present invention, the helm pump comprises: an upper case including a pair of ports selectively discharging operation oil, and a spool allowing the operation oil to be discharged through one of the ports; a coupling making contact with an inner surface of the upper case wherein flowing paths connected to a space for spool operation are formed, including a pair of operation paths supplying operation oil to the spool; a hollow sealing pipe having an end inserted into the flowing paths, having the other end inserted into the operation path in correspondence to the flowing paths, and installing an O-ring on an outer surface making contact with an inner wall of the operation path and an inner wall of the flowing paths; a piston housing rotating while making contact with a border of the coupling, and injecting operation oil into the operation path as pistons placed around a border of a rotary shaft are automatically contracted; a shaft fixated in the piston housing to rotate the piston housing; and a lower case combined with an upper case to expose the shaft to the outside.


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    Titel :

    HELM PUMP


    Beteiligte:
    KIM SEI JIN (Autor:in)

    Erscheinungsdatum :

    26.08.2015


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Koreanisch


    Klassifikation :

    IPC:    F04B Verdrängerkraft- und Verdrängerarbeitsmaschinen für Flüssigkeiten , POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS / B63H Schiffsantrieb oder Steuerung der Schiffe , MARINE PROPULSION OR STEERING / F16K VALVES , Ventile



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