Chambered arc snuffing tube for bushing assembly

Details Chambered arc snuffing tube for bushing assembly Chambered arc snuffing tube for bushing assembly

1975-12-15

1976-11-02

Lake, Roy

Geometrical instruments

200149A, 339 60R, 339112R, H01R 1352

Patent

active

039893421

ABSTRACT:
A load break bushing assembly for high voltage electrical systems is disclosed. The bushing assembly is normally connected to a stationary object such as a transformer to dispose a female electrode receiving bore for reception of a terminator electrode. The bore has at its mouth end a protective, arc-snuffing tube of suitable arc suppressant material. The tube has radial openings in the bore leading to an annular chamber within the tube walls, the chamber exposing a large surface area to the ionized gases tending to quench the generated gas on load break and to break up the pressure wave which follows the withdrawal of the arc follower electrode. Various filter materials may be inserted in the chamber if desired to enhance its arc extinguishing characteristics.

REFERENCES:
patent: 2131000 (1938-09-01), Petermichl
patent: 2223975 (1940-12-01), Traver
patent: 3512118 (1970-05-01), Leonard

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