High voltage feedthrough bushing

Details High voltage feedthrough bushing High voltage feedthrough bushing

1991-11-27

1993-04-06

Picard, Leo P.

Electricity: conductors and insulators

Insulators

Through wall or plate

174 11BH, 174 12BH, 174 14BH, 174 153, 174 18, 174 731, 174142, 174167, H01B 1726

Patent

active

052005780

ABSTRACT:
A feedthrough bushing for a high voltage diode provides for using compression sealing for all sealing surfaces. A diode assembly includes a central conductor extending through the bushing and a grading ring assembly circumferentially surrounding and coaxial with the central conductor. A flexible conductive plate extends between and compressively seals against the central conductor and the grading ring assembly, wherein the flexibility of the plate allows inner and outer portions of the plate to axially translate for compression sealing against the central conductor and the grading ring assembly, respectively. The inner portion of the plate is bolted to the central conductor for affecting sealing. A compression beam is also bolted to the central conductor and engages the outer portion of the plate to urge the outer portion toward the grading ring assembly to obtain compression sealing therebetween.

REFERENCES:
patent: 1846917 (1932-02-01), Stevenson
patent: 2557928 (1951-06-01), Atkinson
patent: 2728810 (1955-12-01), Ziehr
patent: 3197551 (1965-07-01), Linderholm

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