An actuator is disclosed comprising: a moveable member (202); a first hydraulic chamber (204) in contact with a first surface of the moveable member (202); a second hydraulic chamber (206) in contact with a second, opposing surface of the moveable member (202); a movable locking mechanism (210) coupled to a moveable wall (218) of the second hydraulic chamber (206); and a resilient biasing member (214) acting on the moveable wall (218) of the second hydraulic chamber (206) so as to bias the moveable wall and locking mechanism. The actuator is configured to selectively vary the pressure in the second hydraulic chamber (206) so that the resilient biasing member (214) is able to bias the moveable wall (218) to move, thereby moving the locking mechanism (210) to engage the moveable member (202) so as to prevent the movement of the moveable member (202) towards at least one of the first and second hydraulic chambers (204, 206).


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    Title :

    HYDRAULIC ACTUATOR


    Additional title:

    HYDRAULISCHER AKTUATOR
    ACTIONNEUR HYDRAULIQUE


    Contributors:

    Publication date :

    2019-01-23


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B64C AEROPLANES , Flugzeuge / F01D Strömungsmaschinen [Kraft- und Arbeitsmaschinen oder Kraftmaschinen], z.B. Dampfturbinen , NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES



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