Electricity: electrical systems and devices – Discharging or preventing accumulation of electric charge – Structurally combined with building or vehicle
Patent
1991-09-24
1995-10-24
Shoop, Jr., William M.
Electricity: electrical systems and devices
Discharging or preventing accumulation of electric charge
Structurally combined with building or vehicle
174 2, 244 1A, H02G 1300, H05F 300
Patent
active
054615348
ABSTRACT:
An antisparking structure, in particular for aircraft, comprises two components made of composite electrically conductive material which overlie each other at least in part and which are assembled together by using an electrically conductive screw having a countersunk head. A conduction-improving arrangement is provided for improving the conduction of electricity between the overlying portions of the two components. Electrical insulation is provided for electrically insulating the screw from the second component, at least in the vicinity of the nut. Thus, when lightning strikes the head of the screw, the lightning current flows between the screw and the first component, and then between the first component and the second component through the conduction-improving arrangement, without there being any arc between the nut and the second component.
REFERENCES:
patent: 3755713 (1973-08-01), Paszkowski
patent: 3989984 (1976-11-01), Amason et al.
patent: 4556591 (1985-12-01), Bannink, Jr.
patent: 4839771 (1989-06-01), Covey
patent: 4891732 (1990-01-01), Jones
patent: 5175665 (1992-12-01), Pegg
Avenet Jean-Pierre
Gondot Pascal
Weber Renaud
Aerospatiale - Societe Nationale Industrielle
Elms Richard T.
Shoop Jr. William M.
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