Marine cathodic protection system

Electrical transmission or interconnection systems – Anti-electrolysis

Patent

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Details

Other Related Categories

204196, 204147, H01B 728

Type

Patent

Status

active

Patent number

043226337

Description

ABSTRACT:
A marine cathodic protection system maintains a submerged portion of a marine drive unit at a selected potential to reduce or eliminate corrosion thereto. An anode is energized to maintain the drive unit at a preselected constant potential in response to the sensed potential at a closely located reference electrode during normal operations. Excessive current to the anode is sensed to provide a maximum current limitation. An integrated circuit employs a highly regulated voltage source to establish precise control of the anode energization.

REFERENCES:
patent: 3769521 (1973-10-01), Caldwell et al.
patent: 3953742 (1976-04-01), Anderson et al.
Signetics, Digital Linear MOS Data Book, 1974, pp. 6.58-6.62, Precision Voltage Regulator.

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