Method and apparatus for fusing electrical power equipment enclo

Details Method and apparatus for fusing electrical power equipment enclo Method and apparatus for fusing electrical power equipment enclo

1976-05-27

1979-10-02

Broome, Harold

Electricity: electrothermally or thermally actuated switches

Electrothermally actuated switches

Fusible element actuated

337277, 339117R, H01H 8502

Patent

active

041700007

ABSTRACT:
A vacuum fuse is mounted in an insulating oil filled tank containing electrical apparatus and is directly immersed in the insulating oil. A fuse ferrule contact block is suspended in the insulating oil. The suspension for the contact block permits insulating oil to contact the contact block over its entire surface. An opening in the tank top large enough to accommodate the fuse is located adjacent the contact block. One ferrule of the fuse is provided with a cylindrical extension to contact the contact block. The other ferrule is provided with an extension on which is mounted a bushing well and a cover plate.

REFERENCES:
patent: 2294766 (1942-09-01), Williams
patent: 2662947 (1953-12-01), Kyle
patent: 3187146 (1965-06-01), Schrader
patent: 3294935 (1966-12-01), Leonard et al.
patent: 3480898 (1969-11-01), Giegerich
patent: 3588606 (1971-06-01), Ristuccia
patent: 3805140 (1974-04-01), Takahashi et al.
patent: 3916260 (1975-10-01), Westrom et al.
patent: 3946351 (1976-03-01), Bronikowski

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