To provide a corrosion prevention device capable of changing magnitude of corrosion prevention current as necessary, and a method for operating a corrosion prevention device.SOLUTION: A corrosion prevention device 100 that is provided on a marine vessel having a hull 1 having conductivity, and a propeller 41 that is supported on the hull and is formed of a material having a higher potential than that of a material forming the hull includes: an insulator 2 provided on the outer surface of the hull; a sacrificial anode mounted on the hull through the insulator; a first variable resistor R1 provided between the sacrificial anode and the hull; and a second variable resistor R2 provided between the propeller and the hull.SELECTED DRAWING: Figure 3

    【課題】必要に応じて防食電流の大きさを変化させることが可能な防食装置、及び防食装置の運用方法を提供する。【解決手段】防食装置100は、導電性を有する船体1と、船体に支持され、船体を形成する材料よりも電位の高い材料で形成されたプロペラ41と、を有する船舶に設けられる防食装置であって、船体の外表面に設けられた絶縁体2と、絶縁体を介して船体に取り付けられた犠牲陽極と、犠牲陽極と船体との間に設けられた第一可変抵抗器R1と、プロペラと船体との間に設けられた第二可変抵抗器R2と、を備える。【選択図】図3


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    Titel :

    CORROSION PREVENTION DEVICE AND METHOD FOR OPERATING CORROSION PREVENTION DEVICE


    Weitere Titelangaben:

    防食装置、及び防食装置の運用方法


    Beteiligte:
    YOKOYAMA YUTAKA (Autor:in) / MUKAI YOSUKE (Autor:in) / TAGAMI NAOTO (Autor:in) / EGAWA KAORU (Autor:in) / TANI TOSHIHIRO (Autor:in) / UEDA TAKAHIKO (Autor:in) / YUASA YOSHITAKA (Autor:in) / TANAKA KEIICHIRO (Autor:in)

    Erscheinungsdatum :

    09.08.2022


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

    IPC:    B63B Schiffe oder sonstige Wasserfahrzeuge , SHIPS OR OTHER WATERBORNE VESSELS / C23F Nichtmechanisches Entfernen metallischer Stoffe von Oberflächen , NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACES



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