Gas discharge over-voltage arrestor having a line of ignition

Details Gas discharge over-voltage arrestor having a line of ignition Gas discharge over-voltage arrestor having a line of ignition

1987-12-14

1990-01-02

Jennings, Derek S.

Electricity: electrical systems and devices

Safety and protection of systems and devices

High voltage dissipation

361120, 313291, 313311, 313555, 313596, H02H 304

Patent

active

048917311

ABSTRACT:
A gas discharge over-voltage arrestor having a narrow tolerance range of response voltages due to the quality of a line or lines of ignition. A gas discharge over-voltage arrestor has one or more lines of ignition without additives and impurities and has a relatively narrow resistance tolerance given a defined nominal value of resistance whose tolerance range amounts to 1/2 a power of 10 in a logarithmic scale. Every line of ignition is produced by a non-contacting sputtering of carbon particles and is connected to the electrodes over its full width. A reduction in the variation of the response voltage is thereby achieved. The invention is particularly suitable for gas discharge over-voltage arrestors in a glass housing.

REFERENCES:
patent: 3431452 (1969-03-01), Hale et al.
patent: 3702952 (1972-11-01), Cassidy et al.
patent: 4491893 (1985-01-01), Toda
patent: 4493006 (1985-01-01), Lange et al.
patent: 4578733 (1986-03-01), Shigemori et al.

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