Electrode apparatus for cathodic protection

Details Electrode apparatus for cathodic protection Electrode apparatus for cathodic protection

1982-07-26

1985-01-08

Pellinen, A. D.

Electrical transmission or interconnection systems

Anti-electrolysis

204196, 204147, H01B 728

Patent

active

044928777

ABSTRACT:
An electrode apparatus (15) is provided for mounting an anode (17) and reference electrode (19) of a cathodic protection system on an outboard drive unit (10). The apparatus includes an insulating housing (20) on which the anode (17) and reference electrode (19) are mounted and a copper shield (30) mounted between the anode (17) and electrode (19) to allow them to be mounted in close proximity to each other. The shield (30) is electrically connected to the device to be protected and serves to match the electrical field potential at the reference electrode (19) to that of a point on the outboard drive unit (10) remote from the housing (20).

REFERENCES:
patent: 3953742 (1976-04-01), Anderson et al.
patent: 4322633 (1982-03-01), Staerzl
patent: 4351703 (1982-09-01), Winslow

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