Electricity: electrical systems and devices – Safety and protection of systems and devices – High voltage dissipation
Patent
1983-03-07
1984-12-04
Salce, Patrick R.
Electricity: electrical systems and devices
Safety and protection of systems and devices
High voltage dissipation
361117, 361134, 313154, 31323111, H02H 906
Patent
active
044868057
ABSTRACT:
An improved arc gap structure for a lightning arrester comprises first and second annular electrodes concentrically arranged relative to one another. The first electrode has a generally cylindrical inner surface which tapers to a smaller diameter toward one end. The second electrode has a generally cylindrical outer surface which is sized to be spaced apart from the inner surface of the first electrode when received therein. The electrodes are axially displaced relative to one another such that the spacing between the upper corner of the second electrode and the tapered portion of the first electrode define the ignition arc gap for the lightning arrester. The second electrode is preferably axially adjustable relative to the first electrode to select a desired arc over voltage for the lightning arrester. A magnet inserted within the second electrode is positioned to generate a field within the gap between the electrodes to move an arc axially away from the ignition arc gap and to circulate the arc around the cylindrical surfaces of the electrodes until it is extinguished.
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"Aircraft Antenna System Lightning Protection", by R. F. Huber, M. M. Newman and J. D. Robb, Reprinted from IRE Transactions on Aeronautical and Navigational Electronics, vol. ANE-2, No. 3, Sep., 1955.
"Airline Cooperative Program Researches with the Lightning & Transients Research Institute on Aircraft Lightning Protection", by D. S. Little of ARINC Research Corporation and M. M. Newman of Lightning & Transients Research Institute, AFAL-TR-68-290, Part II, pp. 111-122.
Dayton-Granger, Inc.
Salce Patrick R.
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