Cathodic protection controller

Details Cathodic protection controller Cathodic protection controller

C - Chemistry, Metallurgy

23

F

204/120

C23F 13/00 (2006.01) C23F 13/04 (2006.01)

Patent

CA 1213562

Cathodic Protection Controller Abstract A control system (17) for cathodically protecting an outboard drive unit (11) from corrosion includes an anode (12) and a reference electrode (13) mounted on the drive unit (11). Current supplied to the anode is controlled by a transistor (20), which in turn is controlled by an amplifier (25). The amplifier is biased to maintain a relatively constant potential on the drive unit (11) when operated in either fresh or salt water.

443035

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