Dry well fuseholder

Details Dry well fuseholder Dry well fuseholder

1976-04-26

1978-03-28

Hickey, Robert J.

Electricity: electrothermally or thermally actuated switches

Electrothermally actuated switches

Fusible element actuated

337201, 337204, 337205, 337246, H01H 8502

Patent

active

040817784

ABSTRACT:
A dry well fuseholder for use with electrical apparatus containing a dielectric liquid. The holder has an outer, liquid-tight, tubular shell and a number of components inside the shell abutting coaxially in the following order: an annular fitting adapted for supporting the fuseholder on the apparatus; an insulating tube; an annular fuse terminal; another insulating tube; and an annular fuse terminal closed at one end. Glass fibers bonded together with epoxy resin are wound over the peripheral surface of the fitting-tube assembly to produce the shell. Seals are located between the fittings and shell near the joints of fittings and tubes. These seals are composed of a material which swells on contact with the dielectric liquid.

REFERENCES:
patent: 3662309 (1972-05-01), Harmon
patent: 3699490 (1972-10-01), Macemon
patent: 3723930 (1973-03-01), Koch
patent: 3835432 (1974-09-01), Cainone

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