Surge arrestor

Details Surge arrestor Surge arrestor

1987-04-06

1988-03-22

Pellinen, A. D.

Electricity: electrical systems and devices

Safety and protection of systems and devices

High voltage dissipation

361 58, 361120, 361129, 361130, 200 6145K, 200DIG29, H02H 904

Patent

active

047333243

ABSTRACT:
This disclosure relates to a voltage surge arrestor for use with an electric device having a component to be protected from a voltage surge. The arrestor comprises at least first and second electrodes, and a spacer connected to the electrodes and mounting the first and second electrodes in spaced relation. The electrodes have portions which are spaced relatively close to each other and form a gap therebetween, and a gravity movable member is in the space between the electrodes and movable by gravity into and out of the gap, thereby changing the voltage breakdown level in the gap. The arrestor further includes a voltage and current limiting block connected to one of the electrodes. The movable member may be electrically conductive or a dielectric member, and it may be liquid or solid.

REFERENCES:
patent: 1222461 (1917-04-01), Pierson et al.
patent: 2110536 (1938-03-01), Swart
patent: 3263117 (1966-07-01), Nilsson
patent: 3489949 (1970-01-01), Carpenter
patent: 3849704 (1974-11-01), Streater
patent: 3889774 (1975-06-01), Schwenk
patent: 3912965 (1975-10-01), Yamada
patent: 3983407 (1976-09-01), Shott
patent: 4298815 (1981-11-01), Ishihara

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