Using an impressed current cathodic protection system to...

Electrolysis: processes – compositions used therein – and methods – Electrolytic material treatment – Metal or metal alloy

Reexamination Certificate

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C205S731000, C205S734000, C205S735000, C205S740000, C205S725000, C204S196210, C204S196360, C204S196370, C204S196020, C204S196060

Reexamination Certificate

active

07951286

ABSTRACT:
A method is disclosed for using an impressed current cathodic protection (ICCP) system that supplies an electrical current such that a metallic structure (10) has a negative voltage of between 0.5 and 1.5 Volt relative to earth to power one or more electrical appliances (5), the method comprising: —providing one or more electrical appliances (5) which each have a pair of electrical contacts (1,2); —connecting one electrical contact (1) of each electrical appliance to the structure; and —connecting the other electrical contact (2) of each electrical appliance to earth, thereby providing electrical power to each of the electrical appliances. It is preferred that the electrical appliances (5) are equipped with one or more DC-DC power converters (6) which are configured to enhance an electrical input voltage of between 0.5 and 1.5 Volt to an electrical output voltage of between 3 and 5 Volt.

REFERENCES:
patent: 6715550 (2004-04-01), Vinegar et al.
patent: 2005/0258974 (2005-11-01), Mahowald
patent: 9003668 (1997-01-01), None
patent: 2003253479 (2003-09-01), None
patent: WO0155555 (2001-08-01), None
International Search Report dated Jan. 31, 2008 (PCT/EP2007/053870).

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