A lightning strike protection layer 30 for an aircraft comprising first and second portions 31a, 31b and a butt strap. The first portion comprises a first fibre reinforced polymer composite layer 32a and a first electrically conductive metal layer 34a and the second portion comprises a second fibre reinforced polymer composite layer 32b and a second electrically conductive metal layer 34b. The first and second portions are joined at a butt joint 35, with the first and second fibre reinforced polymer composite layers abutting and the first and second electrically conductive metal layers abutting. The butt strap extends across the butt joint and comprises a third electrically conductive metal layer 36 electrically connected to the first and second electrically conductive metal layers. A third fibre reinforced polymer composite layer 33 may extend across the butt joint. A method of manufacturing is also disclosed.
Lightning strike protection layer
2023-07-19
Patent
Electronic Resource
English
IPC: | B64D Ausrüstung für Flugzeuge , EQUIPMENT FOR FITTING IN OR TO AIRCRAFT / B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM , Schichtkörper, d.h. aus Ebenen oder gewölbten Schichten, z.B. mit zell- oder wabenförmiger Form, aufgebaute Erzeugnisse |