An apparatus for protection of metallic materials from corrosion comprising an electrical power source (5) and a conductor (7) coupled to the power source. An anode (11) is electrically coupled to the conductor. The anode is configured to be secured proximal to the metallic materials to be protected
An apparatus for protection of metallic materials from corrosion comprising an electrical power source (5) and a conductor (7) coupled to the power source. An anode (11) is electrically coupled to the conductor. The anode is configured to be secured proximal to the metallic materials to be protected from corrosion and has an exterior surface (13) formed predominantly of electrically conductive polymer and an interior filled with particulate carbonaceous material. The anode comprises a hollow cylinder (13) formed of electrically conductive polymer, the cylinder having an interior. A metallic tube (15) is secured to and in electrical communication with the interior of the cylinder. An anode conductor (17) is electrically coupled to the metallic tube and extends from the interior of the cylinder to the exterior of the cylinder for connection to the conductor coupled to the power source.
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1. An apparatus for protection of metallic materials from corrosion comprising: an electrical power source;a conductor coupled to the power source; andan anode electrically coupled to the conductor, the anode configured to be secured proximal to the metallic materials to be protected from corrosion,
1. An apparatus for protection of metallic materials from corrosion comprising: an electrical power source;a conductor coupled to the power source; andan anode electrically coupled to the conductor, the anode configured to be secured proximal to the metallic materials to be protected from corrosion, the anode having an exterior surface formed predominantly of an electrically conductive polymer and an interior filled with a particulate carbonaceous material. 2. The apparatus of claim 1, wherein the anode further comprises: a hollow cylinder formed of the electrically conductive polymer, the cylinder having an interior and an exterior;a metallic tube secured to and in electrical communication with the interior of the cylinder; andan anode conductor electrically coupled to the metallic tube and extending from the interior of the cylinder to the exterior of the cylinder for connection to the conductor coupled to the power source. 3. The apparatus of claim 1, wherein the electrically conductive polymer is polypropylene with carbon material dispersed therein. 4. The apparatus of claim 3, wherein the carbon material includes carbon nanotubes. 5. The apparatus of claim 1, wherein the particulate carbonaceous material is 99.9% by weight carbon. 6. The apparatus of claim 1, wherein the power source is a direct current power source. 7. An apparatus for protection of metallic materials from corrosion comprising: a power source;a conductor coupled to the power source;an anode electrically coupled to the conductor and configured to be secured proximal to the metallic materials to be protected from corrosion, the anode having an exterior surface formed of an electrically conductive polymer and having an interior substantially filled with a particulate carbonaceous material. 8. The apparatus of claim 7, wherein the anode further comprises: a hollow cylinder formed of the electrically conductive polymer, the cylinder having an interior and an exterior;a metallic tube secured to and in electrical communication with the interior of the cylinder; andan anode conductor electrically coupled to the metallic tube and extending from the interior of the cylinder to the exterior of the cylinder for connection to the conductor coupled to the power source. 9. The apparatus of claim 8, wherein the electrically conductive polymer is polypropylene with carbon material dispersed therein. 10. The apparatus of claim 9, wherein the carbon material includes carbon nanotubes. 11. The apparatus of claim 7, wherein the particulate carbonaceous material is 99.9% by weight carbon. 12. The apparatus of claim 7, wherein the power source is a direct current power source. 13. An anode assembly for use in a ground bed of anodes in an impressed current cathodic protection system having an electric power source, each anode being disposed in a borehole formed in the earth, the anode assembly comprising: the anode having an exterior formed of an electrically conductive polymer and configured for connection to the electric power source, the anode being disposed in the borehole; anda backfill of 99.9% by weight carbon at least partially filling the borehole and surrounding the anode. 14. The anode assembly of claim 13, wherein the anode further comprises: a cylindrical tube member formed of the electrically conductive polymer, the tube member having an inner diameter;a metallic conductor tube secured to and in electrical communication with and at least partially coextensive with the inner diameter of the cylindrical tube member;a carbonaceous filler material filling the cylindrical tube member; andan electrical conductor secured in electrical communication with the metallic conductor tube, the conductor being configured for electrical connection to electric power source. 15. The anode assembly of claim 13, wherein the electrically conductive polymer is polypropylene having carbon nanotubes dispersed therein. 16. The anode assembly of claim 14, wherein the metallic conductor tube is a copper tube. 17. The anode assembly of claim 14, wherein the carbonaceous filler material is 99.9% by weight carbon. 18. The anode assembly of claim 14, further comprising a pair of end caps for enclosing the cylindrical tube member. 19. A method of manufacturing an anode for use in an impressed current cathodic protection apparatus, the method comprising the steps of: forming a tubular exterior member of an electrically conductive polymer, the tubular exterior member having an inner diameter;forming a tubular conductor member of a conductive metal;securing the tubular conductor member to the inner diameter of the tubular exterior member, wherein the tubular conductor member and tubular exterior member are secured together and in electrical communication with one another;securing an electrical conductor to the tubular conductor member;filling the tubular exterior member with a particulate carbonaceous material; andenclosing the tubular exterior member, wherein the particulate carbonaceous material is secured and enclosed within the tubular exterior member and the electrical conductor is arranged for electrical connection to a power cable. 20. The method of claim 19, wherein the step of securing the tubular conductor member to the inner diameter of the tubular exterior member further comprises: adhering an exterior of the tubular conductor member to an interior of the tubular exterior member; andradially expanding the tubular conductor member into close physical contact with the interior of the tubular exterior member. 21. The method of claim 19, wherein the steps of forming the tubular exterior member and the tubular conductor member, and the step of securing them together further comprises: injection-molding the tubular exterior member over the tubular conductor member. 22. The method of claim 19, wherein the steps of forming the tubular exterior member and the tubular conductor member, and the step of securing them together further comprises: rendering the electrically conductive polymer into a flowable state; andapplying the flowable electrically conductive polymer over the exterior of the tubular conductor member. 23. The method of claim 19, wherein the step of enclosing the tubular exterior member further comprises: securing an end cap on each end of the tubular exterior member. 24. A method of manufacturing an anode for use in an impressed current cathodic protection apparatus, the method comprising the steps of: securing an electrically conductive metallic tubular conductor member to an inner diameter of a tubular exterior member formed of an electrically conductive polymer, wherein the tubular conductor member and tubular exterior member are secured together and in electrical communication with one another;securing an electrical conductor to the tubular conductor member;filling the tubular exterior member with a particulate carbonaceous material; andenclosing the tubular exterior member, wherein the particulate carbonaceous material is secured and enclosed within the tubular exterior member and the electrical conductor is arranged for electrical connection to a power cable. 25. The method of claim 24, wherein the step of securing the tubular conductor member to the inner diameter of the tubular exterior member further comprises: adhering an exterior of the tubular conductor member to an interior of the tubular exterior member; andradially expanding the tubular conductor member into close physical contact with the interior of the tubular exterior member. 26. The method of claim 24, wherein the step of securing the tubular conductor member to the inner diameter of the tubular exterior member further comprises: molding the tubular exterior member over the tubular conductor member. 27. The method of claim 24, wherein the step of securing the tubular conductor member to the inner diameter of the tubular exterior member further comprises: rendering the electrically conductive polymer into a flowable state; andapplying the flowable electrically conductive polymer over an exterior of the tubular conductor member. 28. The method of claim 24, wherein the step of enclosing the tubular exterior member further comprises: securing an end cap on each end of the tubular exterior member.
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이 특허에 인용된 특허 (29)
Kempter Fritz E. (Mannheim DEX) Boehlke Klaus (Ludwigshafen DEX), Anode for cathodic electrocoating.
Christen Hans-Jrg (Untersiggenthal CHX) Devantay Hubert (Neuenhof CHX) Schellenberg Claude (Birmenstorf CHX) Scherer Gnther (Gebenstrof CHX) Stucki Samuel (Nussbaumen CHX), Bipolar plate for an apparatus with a stacked configuration, said apparatus comprised of a plurality of electrochemical.
Bennett John E. (Painesville OH) Novak Donald S. (Chardon OH) Mitchell Thomas A. (Mentor OH), Catalytic polymer electrode for cathodic protection and cathodic protection system comprising same.
Kroon David H. (300 E. Roberts La. Wood Dale IL 60191) Bushman James B. (6395 Kennard Rd. Medina OH 44256) Rog Joseph W. (2951 Plum Creek Pkwy. Medina OH 44256), Cathodic protection apparatus and method for steel reinforced concrete structures.
Vance Christopher J. (46 ; Ch. de la Montagne 1224 Chene-Bourgeries CHX) Nguyen Thinh (20,Av. de Gros-Chene 1213 Onex CHX) Fresnel Jean-Marie (2 ; Hameau du Petit Champ ; Thiory 01630 St. Genis CHX) , Electrode coated with lead or a lead alloy and method of use.
Bianchi, Giuseppe; Mussinelli, Gianluigi; Faita, Giuseppe, Ground anode prepacked with backfill in a flexible structure for cathode protection with impressed currents.
Lu Wen-Tong P. (Upper St. Clair PA) Garcia Earl R. (Ingram PA granted to U.S. Department of Energy under the provisions of 42 U.S.C. 2182), Sandwich-type electrode.
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