Electrical bushing

Details Electrical bushing Electrical bushing

1976-09-08

1980-07-22

Askin, Laramie E.

Electricity: conductors and insulators

With fluids or vacuum

With cooling or fluid feeding, circulating or distributing

174 12BH, 174 31R, 174153R, H01B 1726

Patent

active

042141184

ABSTRACT:
First and second conductive flanges adjacent first and second ends of a hollow insulator column are biased together by a through-rod assembly such that the first and second flanges cooperate with the insulator column to form a substantially enclosed chamber. The through-rod assembly means includes three coaxial cylinders connecting the first conductive flange to the second conductive flange. The innermost cylinder is connected to the first conductive flange and extends internally into the enclosed chamber. An external shoulder extends from the distal end of the first cylinder and supports one end of a second cylinder. The remaining end of the second cylinder terminates at an internal flange extending from the distal end of a third cylinder which extends from the second conductive flange. The coefficient of thermal expansion of the through-rod assembly is chosen such that the effective coefficient of thermal expansion of the through-rod assembly is approximately equal to the coefficient of thermal expansion of the hollow insulator column.

REFERENCES:
patent: 3973077 (1976-08-01), Classon

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