B - Operations – Transporting – 64 – D
Patent
B - Operations, Transporting
64
D
B64D 37/32 (2006.01) B64D 45/02 (2006.01)
Patent
CA 2745375
An aircraft fuel tank that is capable of suppressing the occurrence of sparks on a pipe caused by a lightning current through the pipe during a lightning strike, and also suppressing static electricity charging of a pipe caused by flow electrification generated by the fuel. An aircraft fuel tank (1) in which a storage section is formed using a conductive upper skin (5), a conductive lower skin (7) and conductive spars (9), the tank comprising: pipes inside the tank, such as a refuel pipe (17), an engine feed pipe (19) and an inert gas pipe (21), which are disposed inside the storage section and are earthed (27) at a plurality of locations, and pipe outer surface layers (31) having semiconductor properties that are formed in an integrated manner on the outer surfaces of the pipes inside the tank such as the replenishing pipe (17), the supply pipe (19) and the gas pipe (21).
Linvention concerne un réservoir de carburant daéronef qui est capable de supprimer la survenue dune étincelle sur un tuyau par la circulation dun courant de foudre dans celui-ci lors dun foudroiement, et de supprimer le chargement dun tuyau avec lélectricité due à la charge de circulation avec un carburant. Le réservoir de carburant (1) daéronef comprend une section stockage qui est formée à laide dune plaque externe supérieure conductrice (5), dune plaque externe inférieure conductrice (7) et de poutres conductrices (9). Le réservoir de carburant comprend des tuyaux tels quun tuyau de ravitaillement en carburant (17), un tuyau dalimentation en carburant (19) et un tuyau de gaz inerte (21), disposés dans la section stockage et mis à la terre (27) en plusieurs endroits ; et des couches superficielles extérieures des tuyaux (31) à caractéristiques de semi-conducteur, qui font partie intégrante des surfaces extérieures des tuyaux dans le réservoir de carburant, tels que le tuyau de ravitaillement en carburant (17), le tuyau dalimentation en carburant (19) et le tuyau de gaz inerte (21), respectivement.
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Mitsubishi Heavy Industries Ltd.
Smart & Biggar
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