B - Operations – Transporting – 64 – D
Patent
B - Operations, Transporting
64
D
B64D 45/02 (2006.01)
Patent
CA 2727749
The invention relates to a system for dissipating a lightning current produced by a thunderstorm discharge on an avionic equipment (2) installed on the external skin (20) of an aircraft, said external skin being made of a composite material (21) covered with a layer of expanded metal (22) and comprising an orifice (6) in which there is positioned an aerodynamic plate (7) covering the avionic equipment (2), said aerodynamic plate being attached to the external skin by means of a doubler (3), the system comprising at least one metal plate (23, 30, 34) at least partially surrounding the aerodynamic plate and mounted in such a way as to ensure electrical continuity between the doubler (3) and the layer of expanded metal (22) so as to dissipate the lightning current into the layer of expanded metal.
L'invention concerne un système de drainage d'un courant de foudre produit par une décharge orageuse sur un équipement avionique (2) installé sur une peau externe (20) d'un aéronef, ladite peau externe étant réalisée dans un matériau composite. (21) recouvert d'une couche de métal déployé (22) et comportant un orifice (6) dans lequel est placée une plaque aérodynamique (7) recouvrant l'équipement avionique (2), ladite plaque aérodynamique étant fixée sur la peau externe au moyen d'un doubler (3), le système comportant au moins une plaque métallique (23, 30, 34) entourant au moins partiellement la plaque aérodynamique et montée de façon à assurer une continuité électrique entre le doubler (3) et la couche de métal déployé (22) afin d'assurer un drainage du courant de foudre dans la couche de métal déployé.
Labal Frederic
Le Louarn Amelie
Airbus Operations (s.a.s)
Robic
LandOfFree
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