Aeronautics and astronautics – Miscellaneous
Patent
1988-02-18
1990-03-06
Basinger, Sherman D.
Aeronautics and astronautics
Miscellaneous
411377, 244132, 361117, 361218, H05F 102
Patent
active
049059319
ABSTRACT:
A volume of gas is enclosed by a cap around a fastener that is through a composite structure on an aircraft. The gas provides spark suppression for arcing that may occur between the composite structure and the metal fastener during a lightning strike. The volume of gas is sufficiently large to absorb the energy of small, very hot particles of graphite, epoxy, etc., that may be present resulting from arcing. High-pressure gas regions between the fastener and composite member vent to the larger volume of gas and are absorbed. This provides effective spark suppression for particular areas in an aircraft, such as a fuel tank, etc.
REFERENCES:
patent: 1399942 (1921-12-01), Dowd
patent: 3420477 (1969-01-01), Howard
patent: 3470787 (1969-10-01), Mackie
patent: 3548704 (1970-12-01), Kutryk
patent: 3930432 (1976-01-01), Puchy
patent: 4382049 (1983-05-01), Hofmeister et al.
patent: 4582462 (1986-04-01), Thiel
patent: 4630168 (1986-12-01), Hunt
patent: 4631887 (1986-12-01), Francovitch
patent: 4681497 (1987-07-01), Berecz
patent: 4755904 (1988-07-01), Brick
patent: 4760493 (1988-07-01), Pearson
10th International Aerospace and Ground Conference on Lighting and Static Electricity, Jun. 1985, R. O. Brick, pp. 149-155.
Avila Stephen P.
Basinger Sherman D.
The Boeing Company
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