Fuel line systems with electric charge buildup prevention
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United States of America Patent
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Oct 26, 1999
Grant Date -
N/A
app pub date -
Dec 12, 1997
filing date -
Dec 12, 1997
priority date (Note) -
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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.
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