Fail safe surge arrester

Details Fail safe surge arrester Fail safe surge arrester

1981-02-19

1984-07-31

Salce, Patrick R.

Electricity: electrical systems and devices

Safety and protection of systems and devices

High voltage dissipation

361127, 315 36, H02H 904

Patent

active

044634056

ABSTRACT:
A surge arrester including an outer porcelain housing and an ablative heat shield liner is disclosed herein along with a number of techniques for making the surge arrester break resistant. In accordance with one of these techniques, a blow out or relief valve is provided on at least one end of the arrester housing for venting internal pressure due to electrical arcing therein. In this embodiment, an arrangement is provided for preventing the components therein from escaping during the venting procedure. The liner is constructed of a material which is sufficiently ablative to produce its own gas within the housing in response to electrical arcing therein.

REFERENCES:
patent: 2546006 (1951-03-01), Leonard et al.
patent: 3009983 (1961-11-01), Oppel
patent: 3189710 (1965-06-01), Lawrence et al.
patent: 3214634 (1965-10-01), Osmundsen et al.
patent: 3727108 (1973-04-01), Westrom
patent: 4001651 (1977-01-01), Kershaw, Jr.
patent: 4100588 (1978-07-01), Kresge
patent: 4223366 (1980-09-01), Sweetana, Jr.

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