Chemistry: electrical and wave energy – Processes and products – Processes of treating materials by wave energy
Patent
1993-04-14
1995-02-14
Niebling, John
Chemistry: electrical and wave energy
Processes and products
Processes of treating materials by wave energy
G01N 1700
Patent
active
053892160
ABSTRACT:
A method, for measuring the parameters of cathodic protection of the structures which are protected by electrolysis or by sacrificial anodes, comprises fixed programs for executing data acquisition and processing, measurement steps with high speed data sampling and digitizing in the passive and active modes of operation, generating a constant current pulse being sourced into or sunk from electrolyte containing said structures while in a measurement step, and generating a forced off-state condition in the vicinity of a test point of said structures. And, an active corrosion analyzer, (for implementing said method for measuring the polarized potential, the IR-drop, the depletion region capacitance, the coating capacitance, the equivalent voltage, and the equivalent resistance), comprises a microcontroller, a precision timing generator, a non-volatile memory, a random access memory, an analog to digital converter, constant current generators, and control elements.
REFERENCES:
patent: 2943027 (1960-06-01), Schaschl
patent: 4658365 (1987-04-01), Syrett
patent: 5241301 (1993-08-01), Rivola
European Patent Application 0 411 689 A1 Rivola, Luigi Feb. 6, 1991.
Mee Brendan
Niebling John
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