Overpressure hatch intended to be mounted on a wall of a...

B - Operations – Transporting – 64 – D

Patent

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Details

B64D 29/00 (2006.01)

Patent

CA 2742748

The invention relates to an overpressure hatch (21) intended to be mounted on a wall (23) of a nacelle (1) for a turbojet engine (5), the overpressure hatch (21) comprising a support (22) intended to be fixed to the wall (23), and at least one discharge element (25) able to move with respect to said support (22), said hatch (21) comprising at least one part (27) of lower mechanical strength than the remainder of the overpressure hatch (21) so that air at an overpressure inside the nacelle (1) can be discharged when the internal pressure applied to said hatch (21) more or less reaches a threshold pressure level lower than the maximum pressure that the nacelle structure can withstand. The invention also relates to a turbojet engine nacelle comprising at least one hatch (21) according to the invention.

L'invention se rapport à une trappe de surpression (21) destinée à être montée sur une paroi (23) d'une nacelle (1) pour turboréacteur (5), la trappe de surpression (21) comportant un support (22) destiné à être fixé sur la paroi (23) et au moins un élément d'évacuation (25) mobile par rapport audit support (22), ladite trappe (21) comprenant au moins une partie (27) présentant une résistance mécanique plus faible que le reste de la trappe de surpression (21) de manière à évacuer l'air en surpression à l'intérieur de la nacelle (1) lorsque la valeur de la pression interne exercée sur ladite trappe (21) atteint sensiblement une valeur de pression seuil inférieure à la pression maximale supportée par la structure de la nacelle. L'invention se rapporte également à une nacelle pour turboréacteur comportant au moins une trappe (21) selon l'invention.

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