Cathodic protection system for a water heater tank

Details Cathodic protection system for a water heater tank Cathodic protection system for a water heater tank

1987-03-26

1988-11-22

Tung, T.

Chemistry: electrical and wave energy

Processes and products

Electrostatic field or electrical discharge

204197, C23F 1300

Patent

active

047863838

ABSTRACT:
A cathodic protection system for a water heater tank incorporating a resistor anode assembly. The steel water heater tank is provided with an opening and an internally threaded spud is secured to the outer surface of the tank bordering the opening. An anode rod composed of a metal electro-positive to steel extends through the opening to the interior of the tank and the anode is connected to the spud by an electrically conductive plastic cap. The cap provides a resistance to the flow of current between the anode rod and the steel tank to reduce the consumption of the anode.

REFERENCES:
patent: 2486871 (1949-11-01), Osterheld
patent: 2568594 (1951-09-01), Robinson
patent: 2616844 (1952-11-01), Klumb
patent: 2656314 (1953-10-01), Osterheld
patent: 2852462 (1958-09-01), Andrus
patent: 3332867 (1967-07-01), Miller et al.
patent: 3558463 (1971-01-01), Strobach et al.
patent: 3867274 (1975-02-01), Herman
patent: 3928155 (1975-12-01), Woodhouse
patent: 4093529 (1978-06-01), Strobach
patent: 4224126 (1980-09-01), Bidwell
patent: 4381981 (1983-05-01), Maes
patent: 4699703 (1987-10-01), Norman

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