Fuel line systems with electric charge buildup prevention

Details Fuel line systems with electric charge buildup prevention Fuel line systems with electric charge buildup prevention

1997-12-12

1999-10-26

Fleming, Fritz

Electricity: electrical systems and devices

Discharging or preventing accumulation of electric charge

Of storage or hazardous area or fluid handling

361212, 361220, H05F 300

Patent

active

059739037

ABSTRACT:
Fuel lines aboard aircraft are safeguarded against buildup of electric charges. A series of metallic tubes each having opposite open metallic tube ends are prepared for such fuel lines. External metallic ferrules are prepared for the opposite metallic tube ends of these metallic tubes. Each of these metallic ferrules is equipped with an electric discharge terminal for electric charges. Each metallic ferrule is bonded externally to a metallic tube end so that each metallic ferrule and a margin of that metallic tube end extend in one piece circumferentially around an inside of that metallic tube end and axially in one piece for an axial width of that metallic ferrule. External electric conductors extend between electric discharge terminals of adjacent metallic ferrules along the fuel line.

REFERENCES:
patent: 3943273 (1976-03-01), De Putter
patent: 4120325 (1978-10-01), De Putter
patent: 4346428 (1982-08-01), Gale
patent: 4487462 (1984-12-01), Gale et al.
patent: 4928202 (1990-05-01), Gale et al.
patent: 4985801 (1991-01-01), Hellard et al.
Swaging Manual, IMO Industries, Inc., Sep. 1984.
Leaflet entitled Fuel Line With Clamped Electrical Contact Straps, Jan. 1969.

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