Apparatus for preventing burn-off due to an accidentical standin

Details Apparatus for preventing burn-off due to an accidentical standin Apparatus for preventing burn-off due to an accidentical standin

1974-02-06

1976-01-06

Askin, Laramie E.

Electricity: conductors and insulators

With fluids or vacuum

With fluid-condition responsive and/or indicating means

174 21C, 174 28, H01B 904, H01B 906

Patent

active

039314510

ABSTRACT:
High voltage apparatus having a voltage carrying part such as a conductor enclosed by a housing with a gas, such as SF.sub.6 under pressure, used as insulation in the housing in which, in order to prevent burn-off of the housing and the voltage carrying part in the event of an accidental standing arc, the wall of the housing and, optionally, the voltage carrying part are provided, in the area most likely to be exposed to an accidental standing arc, with a reinforcement against burn-off which includes means to relieve compressed gas pressure and is designed so as to have a heat insulating effect for the wall of the housing.

REFERENCES:
patent: 1924793 (1933-08-01), Laske
patent: 3391243 (1968-07-01), Whitehead
patent: 3546356 (1970-12-01), Graybill et al.
patent: 3610807 (1971-10-01), Whitehead
patent: 3629486 (1971-12-01), Swampillai et al.
patent: 3766306 (1973-10-01), Olsen
patent: 3767837 (1973-10-01), Graybill
patent: 3781454 (1973-12-01), Olsen
patent: 3814831 (1974-06-01), Olsen

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