Electricity: conductors and insulators – Lightning protection
Patent
1984-10-22
1986-08-12
Askin, Laramie E.
Electricity: conductors and insulators
Lightning protection
174 4R, H02G 1300
Patent
active
046058141
ABSTRACT:
A lightning deterrent device is described which consists of a brush-like conductive structure particularly suited to be mounted on the top of a transmission tower. The device includes a central core formed into an annulus having a diameter sufficient to contain the vertical sides of the tower. The central core mounts a plurality of conductive wires captured therein at their midpoints. Sufficient wires are used to form a brush-like structure. The maximum number of wires is 250 per inch. The wires are preferably 10 inches long and have a diameter of about 0.014 inch. The device has been found to reliably protect against lightning strikes, and in the case of a television transmission tower, increase the signal by over 25 miles.
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patent: 1096 (1839-03-01), Barber
patent: 315679 (1885-04-01), Upton
patent: 357050 (1887-02-01), Vail
patent: 1617788 (1927-02-01), Baldwin et al.
patent: 1743526 (1930-01-01), Cage
patent: 1757172 (1930-05-01), Cazel et al.
patent: 1974315 (1934-09-01), Schaeffer
patent: 4180698 (1979-12-01), Carpenter, Jr.
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