To provide an underwater equipment capable of continuously carrying out underwater activity.SOLUTION: Underwater equipment includes: a ballast tank 2 to carry out buoyancy adjustment by filling and draining water; a water filling and draining unit 3 for carrying out filling and draining of water to the ballast tank 2; a barometric measurement unit 4 for measuring air pressure inside the ballast tank 2; piping 6 for supplying air to the ballast tank 2 by communicating the ballast tank 2 and outside; an opening closing valve 7 provided in the piping 6 for switching a communicated state and a shut off state of the piping 6; and a controller 8 for carrying out control of air replenishment to the ballast tank 2. The controller 8 is configured to: set air pressure at a reference water level of the ballast tank 2 to reference air pressure; causes the underwater equipment to float to the water surface when the air pressure inside the ballast tank 2 for carrying out filling and draining of water is less than the threshold that is set below the reference air pressure; and replenish the ballast tank with air from outside through the piping 6.SELECTED DRAWING: Figure 3

    【課題】水中活動を継続して行うことができる水中機器を提供すること。【解決手段】注排水により浮力調整を行うバラストタンク2と、バラストタンク2に対し注排水を行う注排水部3と、バラストタンク2内の気圧を計測する気圧計測部4と、バラストタンク2と外部を連通しバラストタンク2にエアを供給するための配管6と、配管6に設けられ配管6の連通状態と遮断状態を切り替える開閉弁7と、バラストタンク2へのエア補充の制御を行う制御部8とを備え、制御部8は、バラストタンク2の基準水位時の気圧を基準気圧に設定し、注排水を行うバラストタンク2内の気圧が基準気圧以下に設定される閾値未満となった場合に水面への浮上を行わせ、配管6を通じ外部からバラストタンクへエアを補充させるように構成されている。【選択図】図3


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    Titel :

    UNDERWATER EQUIPMENT


    Weitere Titelangaben:

    水中機器


    Beteiligte:

    Erscheinungsdatum :

    2022-07-27


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

    IPC:    B63G OFFENSIVE OR DEFENSIVE ARRANGEMENTS ON VESSELS , Angriffs- oder Verteidigungsanordnungen auf Schiffen / B63B Schiffe oder sonstige Wasserfahrzeuge , SHIPS OR OTHER WATERBORNE VESSELS / F03B MACHINES OR ENGINES FOR LIQUIDS , Kraft- und Arbeitsmaschinen oder Kraftmaschinen für Flüssigkeiten



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