Electricity: battery or capacitor charging or discharging – Serially connected batteries or cells – With discharge of cells or batteries
Patent
1977-07-01
1979-01-23
Hickey, Robert J.
Electricity: battery or capacitor charging or discharging
Serially connected batteries or cells
With discharge of cells or batteries
307 66, 307 95, 323 15, H02J 700, H01B 728
Patent
active
041363094
ABSTRACT:
Metallic structures located in an electrolyte, such as soil or water, for example, tend to corrode. In order to prevent metal loss from the structure due to corrosion, a D.C. current flow is created in the metal structure. This current flow causes a hydrogen ion film to form on the structure which insulates it from the electrolyte. The direct current is supplied to the metal structure by a combination of a solar array and storage batteries. During peak solar activity, the solar array both charges the batteries and supplies current to the metal structure. When the batteries are fully charged, the batteries are disconnected and the entire solar array output is applied to the metal structure. If solar activity decreases below a predetermined level, the batteries are switched back into the circuit to maintain current flow at a predetermined minimum level.
REFERENCES:
patent: 3816804 (1974-06-01), Cardwell, Jr.
patent: 3859588 (1975-01-01), Titus
"Control of Pipeline Corrosion", A. Peabody, Nat'l. Assoc. of Corrosion Engrs., 1967.
Arnold Roy L.
Bollinger John C.
Galberth Robert L.
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