F - Mech Eng,Light,Heat,Weapons – 16 – L
Patent
F - Mech Eng,Light,Heat,Weapons
16
L
F16L 39/00 (2006.01) F16L 39/04 (2006.01)
Patent
CA 2630281
A coupling for connecting double-walled fuel comprises a pipe end fitting (1), which includes a male outer surface for example including a groove (12) and a female inner surface for example including a groove (11). The coupling also includes a double-walled socket (4), which includes a female outer socket (17) and a male inner shaft (18). The pipe end fitting is partially accommodated in the region between the female outer socket and the male inner shaft of the double-walled socket. A first seal ring (9) seals between the female inner surface of the pipe end fitting (1) and the male inner shaft (18) of the double-walled socket (4). A second seal ring (10) which may be substantially coplanar with the first, seals between the male outer surface of the pipe end fitting (1) and the female outer socket (17) of the double-walled socket (4).
L~invention concerne un accouplement servant à raccorder des conduites de carburant à double paroi, comprenant un raccord d~extrémité de conduite (1), comportant une surface extérieure mâle incorporant par exemple une gorge (12) et une surface intérieure femelle incorporant par exemple une gorge (11). L~accouplement comprend en outre un manchon à double paroi (4), incorporant un manchon femelle extérieur (17) et un axe mâle intérieur (18). Le raccord d~extrémité de conduite se loge partiellement dans la région comprise entre le manchon femelle extérieur et l~axe mâle intérieur du manchon à double paroi. Un premier anneau d~étanchéité (9) assure l~étanchéité entre la surface femelle intérieure du raccord d~extrémité de conduite (1) et l~axe mâle intérieur (18) du manchon à double paroi (4). Un deuxième anneau d~étanchéité (10), qui peut être sensiblement coplanaire au premier, assure l~étanchéité entre la surface mâle extérieure du raccord d~extrémité de conduite (1) et le manchon femelle extérieur (17) du manchon à double paroi (4).
Bryant Anthony John
Petit David
Airbus Operations Limited
Airbus Uk Limited
Borden Ladner Gervais Llp
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