Sodium filled flexible transmission cable

Details Sodium filled flexible transmission cable Sodium filled flexible transmission cable

1976-09-27

1977-11-01

Askin, Laramie E.

Electricity: conductors and insulators

With fluids or vacuum

With expansion and contraction means

138113, 174 74R, 174DIG7, H01B 500, H01B 900, H02G 1502

Patent

active

040566790

ABSTRACT:
A corrugated flexible thin copper tube filled with sodium has a resilient flexible core along the axis thereof so arranged that it will contract and expand to take up the force of thermal expansion and contraction of the sodium. Since the coefficients of expansion of the sodium and copper are different, the absorption of this differential in force by the core prevents rupture of the copper tube and the formation of voids and hot spots within the copper tube.

REFERENCES:
patent: 2099407 (1937-11-01), Mildner
patent: 3349832 (1967-10-01), Crowdes et al.

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