A centre biased actuator (10) comprising: an outer cylinder (102); a slave cylinder (14) linearly transposed within the outer cylinder; a rod assembly (120, 122), the piston (122) of which is linearly transposed within the slave cylinder and the rod (120) of which extends from the outer cylinder; one or more first dynamic seals (121) arranged to act on a sidewall of the rod to inhibit hydraulic fluid leaking from the outer cylinder; one or more second dynamic seals (117) arranged to act on a sidewall of the slave cylinder or an inner surface of the outer casing to inhibit hydraulic fluid leaking from the outer cylinder; and a gas chamber (13, 23) comprising a sealed expandable chamber (14, 24) containing gas, the expandable chamber being arranged to act on hydraulic fluid within the centre biased actuator to bias the centre biased actuator to assume an intermediate condition which lies between a compressed condition and an extended condition.


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    Title :

    CENTRE BIASED ACTUATOR


    Additional title:

    ZENTRUMSVORGESPANNTER AKTUATOR
    ACTIONNEUR POLARISÉ CENTRAL


    Contributors:

    Publication date :

    2021-09-29


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    F16F SPRINGS , Federn / B64C AEROPLANES , Flugzeuge



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