Tube enclosed pressure gas insulated electrical cable

Details Tube enclosed pressure gas insulated electrical cable Tube enclosed pressure gas insulated electrical cable

1974-10-17

1976-04-06

Grimley, Arthur T.

Electricity: conductors and insulators

With fluids or vacuum

With expansion and contraction means

174 21CA, 174 99E, H01B 500

Patent

active

039491528

ABSTRACT:
A tube enclosed pressure gas insulated electrical cable has at least one conductor supported within a tubular enclosure by means of insulators, the conductor being sectionalized longitudinally and provided with expansion joints between the ends of adjacent sections to compensate for thermal expansion of the conductor. To protect the expansion joint and prevent it from being compressed and possibly collapsing under the inherent weight of the internal conductor structure when the cable is laid down a steep slope, a protective device is provided, this being constituted by a compression spring interposed between the ends of adjacent sections at the expansion joint for counteracting the weight of the conductor on the joint.

REFERENCES:
patent: 2209152 (1940-07-01), Daniels
patent: 3377960 (1968-04-01), Hawes
patent: 3569606 (1971-03-01), Clin et al.
patent: 3585271 (1971-06-01), Reynolds et al.

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