Fuse housing having fluid sealing assembly

Details Fuse housing having fluid sealing assembly Fuse housing having fluid sealing assembly

1991-10-31

1993-04-20

Broome, Harold

Electricity: electrothermally or thermally actuated switches

Electrothermally actuated switches

Fusible element actuated

337205, 361 41, 361 38, H01H 8502, H02H 704

Patent

active

052046540

ABSTRACT:
A fuse housing for an oil-cooled transformer that uses a stopper to prevent oil from escaping the transformer tank as the fuse and fuse holder are removed. During normal operation, the stopper is held in an open position by the fuse holder. When the fuse and fuse holder are removed, the stopper closes and seals the upper end of the holder, preventing oil from draining through the upper portion of the fuse housing and escaping from the transformer tank.

REFERENCES:
patent: 2647939 (1951-03-01), Paluev
patent: 3628092 (1971-12-01), Keto
patent: 3732517 (1971-11-01), Keto et al.
patent: 3916260 (1975-10-01), Westrom et al.
patent: 4010437 (1977-03-01), Macemon et al.

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