Method for reducing electrolytic interference with metal structu

Details Method for reducing electrolytic interference with metal structu Method for reducing electrolytic interference with metal structu

1977-08-10

1979-05-01

Williams, Howard S.

Chemistry: electrical and wave energy

Processes and products

Electrostatic field or electrical discharge

204148, 204197, 204198, C23F 1300

Patent

active

041522281

ABSTRACT:
A parallel galvano-electrolytic current path is provided to conduct a current comprising (i) a portion of the interfering current and (ii) currents arising due to varying degrees of polarization of metal surfaces. The current is measured and a variable resistor inserted in the galvanic path is reduced in value until zero current flows through the parallel galvano-electrolytic current path in the direction of the electrolytic portion of said galvano-electrolytic path. Also disclosed is a circuit for applying said method.

REFERENCES:
patent: 2943027 (1960-06-01), Schaschl et al.
patent: 4080565 (1978-03-01), Polak et al.
Parker, Pipe Line Corrosion & Cathodic protection (1962), pp. 106-123.

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