Overvoltage protector for telephone lines

Details Overvoltage protector for telephone lines Overvoltage protector for telephone lines

1981-07-16

1983-07-12

Salce, Patrick R.

Electricity: electrical systems and devices

Safety and protection of systems and devices

High voltage dissipation

313325, 31323111, 361120, 361129, H02H 906

Patent

active

043934331

ABSTRACT:
An overvoltage or surge protector, particularly for telephone lines, has two electrodes in opposition in a housing. The gap between the inner ends of the electrodes is set by a layer of dielectric material on the center portion of one or both end surfaces of the electrodes. Breakdown occurs with assistance from dielectric stimulation of the arc, resulting from an electrical field across the dielectric. The center portions are surrounded by annular grooves, which are also covered with a dielectric layer. The end surfaces external to the center portions can be convex, and also roughened.

REFERENCES:
patent: 2688105 (1954-08-01), Hasselhorn
patent: 2907910 (1959-10-01), Marsteller
patent: 3594603 (1971-07-01), Guckenburg
patent: 3923849 (1960-02-01), Rees
patent: 4129894 (1978-12-01), Chen

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