An underwater actuator includes: a housing to be immersed under water; a cylinder chamber formed in the housing; a piston accommodated in the cylinder chamber such that the piston is movable in a sliding manner in the cylinder chamber, the piston dividing the cylinder chamber into a first pressure receiving chamber and a second pressure receiving chamber; a rod extending from the piston to the first pressure receiving chamber side, the rod penetrating the housing; a release chamber formed in the housing, the release chamber having an internal pressure kept lower than a water pressure of outside of the housing; and a switching mechanism including: a first switcher configured to switch a communication state between the second pressure receiving chamber and the outside of the housing to allow or block communication therebetween; and a second switcher configured to switch a communication state between the second pressure receiving chamber and the release chamber to allow or block communication therebetween.


    Access

    Download


    Export, share and cite



    Title :

    UNDERWATER ACTUATOR AND SUBMERSIBLE PROVIDED WITH SAME


    Additional title:

    UNTERWASSERAKTUATOR UND DAMIT AUSGESTATTETES UNTERTAUCHBARES ELEMENT
    ACTIONNEUR SOUS-MARIN ET SUBMERSIBLE POURVU DE CELUI-CI


    Contributors:

    Publication date :

    2020-08-19


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    F15B SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL , Druckmittelbetriebene Systeme allgemein / B63C LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS , Zuwasserlassen, Trockenstellen, Docken oder Bergen von Schiffen / E21B EARTH OR ROCK DRILLING , Erd- oder Gesteinsbohren



    UNDERWATER ACTUATOR AND SUBMERSIBLE PROVIDED WITH SAME

    SAKAUE HIROSHI / MUKAIDA MINEHIKO / OKAYA NORIYUKI et al. | European Patent Office | 2017

    Free access

    Underwater submersible vehicle hatch and underwater sightseeing submersible vehicle with hatch

    SUN MAOXU / ZHANG YU / CAI BO | European Patent Office | 2015

    Free access

    VARIABLE FLANK ARRAY SONAR SYSTEM UNDERWATER SUBMERSIBLE INCLUDING SAME AND OPERATING METHOD OF UNDERWATER SUBMERSIBLE

    KANG JONG GU / BAE HO SEUK / CHO CHANG BONG et al. | European Patent Office | 2022

    Free access

    Underwater shooting submersible

    ZHONG PING'AN / CHEN ZITAO | European Patent Office | 2024

    Free access

    Underwater personal submersible

    MONTOUSSE JULIEN | European Patent Office | 2018

    Free access