Electricity: conductors and insulators – Conduits – cables or conductors
Patent
1990-11-27
1992-06-09
Nimmo, Morris H.
Electricity: conductors and insulators
Conduits, cables or conductors
174 6, 174133R, 340852, 343719, 455 40, H01B 700, H04B 1302
Patent
active
051209047
ABSTRACT:
Electrode used for one pole in underwater transmission of high-voltage direct current, an insulated cable being used for the other pole, such electrodes being adapted to be stationary on the bottom of the sea to serve as the anode and the cathode, respectively, while the sea-water constitutes the electric conductor therebetween. What characterises the invention is that the electrode comprises at least one layer (1) of a flexible, electrically conductive material which preferably is resistant to chlorine-alkali, said layer (1) being enclosed between protective structures (2,3) of a flexible, mechanically resistant material which preferably is resistant to chlorine-alkali, at least one protective structure (2) having openings (4) which are positioned across the surface thereof and through which the sea-water comes into contact with the layer (1).
REFERENCES:
patent: 4132084 (1979-01-01), Francisco-Arnold
patent: 4464242 (1984-08-01), Boulton
patent: 4761216 (1988-08-01), Cawlfield
Bergman Lars-Erik
Bohlin Sven-Erik
Heiskanen Pekka
Ullman Anders
Nimmo Morris H.
Permascand AB
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