Excess voltage arresters

Electricity: electrical systems and devices – Safety and protection of systems and devices – High voltage dissipation

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Details

361120, 361129, 313306, 313325, H02H 906

Patent

active

044955391

ABSTRACT:
An excess voltage arrester of the kind comprising a gas-filled enclosure having an electrode structure (1, 11, 13) within the enclosure which defines at least one discharge gap. A portion of at least one electrode (13) is adapted to melt on overheating of the arrester so as to take up a generally spherical form (19) under the action of surface tension and thereby contact another electrode (1).

REFERENCES:
patent: 3289027 (1966-11-01), Jones
patent: 3388274 (1968-06-01), Kawiecki et al.
patent: 3791711 (1974-02-01), Jonassen
patent: 3958154 (1976-05-01), Hill et al.
patent: 4009422 (1977-02-01), Woodfill
"Surge Protection in the Telephone and Electronics Industry", A Technical Presentation-May 1978, The M. O. Valve Co., General Elect. Co., by K. G. Cook.

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