A method of adjusting buoyancy of a UUV comprises measuring buoyancy drift of the UUV when underwater. After docking the UUV with a subsea station, a quantity of a flowable buoyancy-adjustment material held onboard the UUV is changed by transferring that material from the station to the UUV or from the UUV to the station. A buoyancy adjustment system for a UUV comprises: an onboard tank for holding a variable quantity of the buoyancy-adjustment material; and upwardly-opening and downwardly-opening passageways communicating with the tank for transferring the buoyancy-adjustment material to or from the UUV. The subsea station comprises: a dock for docking a UUV; a holding tank for holding the buoyancy-adjustment material; and at least one upwardly-opening or downwardly-opening passageway aligned with the dock and communicating with the holding tank for transferring the buoyancy-adjustment material to or from the docked UUV.


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    Title :

    Adjusting the buoyancy of unmanned underwater vehicles


    Contributors:

    Publication date :

    2020-03-12


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B63G OFFENSIVE OR DEFENSIVE ARRANGEMENTS ON VESSELS , Angriffs- oder Verteidigungsanordnungen auf Schiffen



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