APPARATUS USING AN ELECTRO-CATALYTIC COATING TO REDUCE SHIP'S FRICTION AND PREVENT BIOFOULING

An apparatus for friction reduction and biofouling prevention is invented, which consists of an anodic electro-catalytic layer and a cathodic electro-catalytic layer installed on the submerged surface of a carrier. There is an insulating filling between the anodic layer and the cathodic layer. The l...

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Bibliographische Detailangaben
Hauptverfasser:	CHANG SHUN-HSYUNG, WU JIING-KAE, YEH CHIUNG-WEI, WU KEE-RONG, SHYU YU-TSUEN, HUNG CHUNG-HSUANG
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVES CHEMICAL PAINT OR INK REMOVERS CHEMISTRY CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TOTRANSPORTATION COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS CORRECTING FLUIDS DYES EQUIPMENT FOR SHIPPING FILLING PASTES GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS INKS METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS PAINTS PASTES OR SOLIDS FOR COLOURING OR PRINTING PERFORMING OPERATIONS POLISHES RELATED EQUIPMENT SHIPS OR OTHER WATERBORNE VESSELS TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE TRANSPORTING USE OF MATERIALS THEREFOR WOODSTAINS
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Beschreibung
Zusammenfassung:	An apparatus for friction reduction and biofouling prevention is invented, which consists of an anodic electro-catalytic layer and a cathodic electro-catalytic layer installed on the submerged surface of a carrier. There is an insulating filling between the anodic layer and the cathodic layer. The layered coatings are applied with the use of electric arc spraying technique. A first DC power supply unit is connected to the anodic layer and the cathodic layer. The anodic layer, the cathodic layer, the DC power supply unit, and water together form the conducting path for water electro-catalysis. Hydrogen and oxygen gases are produced to form a thin gas film on the submerged surface to reduce friction and prevent biofouling on the carrier. Alternatively, the apparatus produces hydroxyl radicals to kill marine microorganisms and reduce the risk of biofouling and biocorrosion.