Aircelle Limited

Stephane Beilliard

Guy Bernard Vauchel

Jean-Philippe Dauguet

Jean-Philippe Joret

Alexandre Phi

Turbojet engine nacelle () comprising an air intake structure () able to channel a flow of air towards a fan of the turbojet engine, and a central structure () intended to surround said fan and to which the air intake structure is attached in such a way as to ensure aerodynamic continuity, the central structure comprising, on the one hand, a casing intended to surround the fan and, on the other hand, an outer structure, characterized in that the air intake structure comprises a longitudinal outer panel () incorporating an air intake lip () and which may extend so far as to incorporate at least part of the outer structure of the central section and beyond, said longitudinal outer panel being translationally mobile between an operating position in which the outer panel ensures the aerodynamic continuity of the outside of the nacelle (), and a maintenance position in which the outer panel () is set away from the outer structure of the central section and the air intake lip () is set away from the inner panel of the air intake structure, characterized in that the longitudinal outer panel () is associated with guide means of the rails ()/slide () type, at least part of said guide means being positioned as close as possible to an interface with a pylon () to which the nacelle is attached.

Turbojet engine nacelle with translatable upstream cowl

This maintenance trolley () for the air intake () of the nacelle of an aircraft turbojet engine is notable in that it comprises a base () and a platform () cantilever-mounted on this base () and designed to enter said air intake () without contact therewith.

Aircraft turbojet engine nacelle air intake maintenance trolley

A seal assembly for a turbojet nacelle includes a first end fastened to a first structure, and a second end contacting against a bearing zone of a second structure. The seal assembly further includes a plurality of adjacent blades arranged along the first end and extending longitudinally and perpendicularly thereto. In particular, a portion of the blades has an accordion-shaped structure.

Anti-fire seal assembly and nacelle comprising such a seal

The invention relates to a nacelle for a turbojet engine that includes an air intake structure capable of directing an air flow towards a fan of the turbojet engine, and a middle structure for surrounding said fan and to which is attached the air intake structure in order to provide aerodynamic continuity, wherein the air intake structure includes at least one inner panel attached to the middle structure and defining, with the latter, a nacelle fixed structure and at least one outer longitudinal panel removably attached to the fixed structure and including an air intake lip in order to define a removable air intake structure, wherein the removable air intake structure is provided with a locking device including at least one electric lock capable of interaction with a complementary retention structure.

Locking system for air intake structure for turbojet engine nacelle

The invention relates to a turbojet engine nacelle () comprising: an outer structure including an annular lip defining an air inlet and a cowl () extending as a continuation of the annular lip, and an inner fixed structure () extending as a continuation of the air inlet and including a region equipped with at least one piece of equipment requiring maintenance or monitoring. The aforementioned outer structure can move in relation to the inner structure between an operating position in which the cowl () covers the region equipped with the equipment and a maintenance position in which the cowl () reveals said region so as to allow access to the equipment from outside. In addition, the outer structure is equipped with at least one reinforcing beam () designed to transmit loads between the annular lip () and the cowl (), said beam () extending in the radial plane (P) of the air inlet from the outer structure towards the inner structure and comprising guide means () capable of co-operating with complementary guide means () belonging to the inner structure. The guide means () of the beam () and the complementary guide means () of the inner structure are offset with respect to the radial plane (P) in which the beam () extends.

Turbojet engine nacelle

An air intake structure is mounted upstream of a mid-structure of a nacelle for an aircraft engine. The air intake structure includes an external wall incorporating a lip, a partition defining a deicing compartment in the lip, a deicing manifold extending in the compartment, and a duct for supplying hot air to the deicing manifold. In particular, the external wall is mounted movably with respect to the mid-structure between a rear position and a front position, and the duct is connected in a fixed manner to the mid-structure. The partition is fixed in a sealed manner inside the lip, and the duct is connected to the manifold by a disconnectable seal which is situated in an immediate vicinity of the partition.

Air intake structure to be mounted upstream of a nacelle middle structure for aircraft engine, and nacelle equipped with such air intake structure

An air inlet structure which is mounted upstream of a central structure of a nacelle of an aircraft engine includes an outer partition incorporating a lip, an upstream partition defining with the outer partition a deicing compartment in the lip, and a hot air supply device to supply the deicing compartment with hot air. The hot air supply device has a hot air supply tube and a peripheral seal plate surrounding the supply tube. In particular, the hot air supply tube has an elbowed free end, and an orifice of the upstream partition allows passage of the elbowed free end according to a main axis of the supply tube. The seal plate includes a contact plate surrounding the supply tube to ensure sealing at the upstream partition.

Air intake structure for an aircraft nacelle

A nacelle includes a central structure intended to surround a fan of a turbojet engine and an air intake structure attached to the central structure and able to channel a flow of air toward the fan. The nacelle includes at least one longitudinal outer panel incorporating an air intake lip. An inner panel includes an acoustic shell ring which downstream end is attached to an upstream end of the central structure and therewith forms a fixed structure of the nacelle. Guide means are entirely attached to the central structure for guiding the outer panel or panels and allowing substantially rectilinear movement of the outer panel towards the upstream end of the nacelle so that the air intake structure can be opened.

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Toulouse, France

Stephane Beilliard