Patent ID: 6089267
Filing Date: 2000-07-18
Classification: F16K,H02G,Y10T

Abstract:
An electrical cable system in which the cable contains a fluid under pressure above atmospheric pressure and the cable has a first portion at a lower elevation and a second portion at a higher elevation, said system comprising:a source of fluid under a pressure connected to said cable for supplying said fluid to the interior of said cable;a stop joint between said first portion and said second portion of said cable, said stop joint blocking the passage of fluid between said first portion and said second portion;an automatic by-pass valving system coupled to the first portion and said second portion, said by-pass valving system allowing fluid flow from said first, lower elevation portion to said second, higher elevation portion around said stop joint but limiting flow of said fluid from said second, higher elevation portion to said first, lower portion to a predetermined rate.