Fail-safe/surge arrester systems

Details Fail-safe/surge arrester systems Fail-safe/surge arrester systems

H - Electricity

01

T

317/15

H01T 3/00 (1980.01)

Patent

CA 1105987

UNITED STATES PATENT APPLICATION OF JOHN NAPIORKOWSKI FOR FAIL-SAFE/SURGE ARRESTER SYSTEMS Abstract An electrical surge arrester protects electrical power lines and telephones from excessive voltage as may occur in the presence of lighting. The arrester is formed of a gas filled, cylindrical, housing enclosing two cylind- rical electrodes which are spaced apart by a gap. In the presence of high voltage, the gas in the gap breaks down through ionization to provide an electrically conducting path between the electrodes. Spring type electrical contacts are spaced from the electrodes by a fusible insulating material. Upon sustained arcing, heat of the arc melts the fusible material permitting contact between the electrodes and the spring contacts which provide an electrical short between the electrodes.

298463

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