Airbus Operations (s.a.s.)

Airbus Operations Sl

Airbus Operations Gmbh

Wolfgang Brochard

Olivier Pautis

Laurent Cazeaux

Romain Terral

Florian Ravise

Claire Maffre

Alain Porte

Pascal Gardes

Frédéric Vinches

Jonathan Blanc

Esteban Martino Gonzalez

Diego Folch Cortes

Esteban Martino González

Pablo Goya Abaurrea

Florent Mercat

Julien Sentier

Bastian Sabathier

David Ewens

Vasilis Votsios

Antoine Boudou

Sylvain Roumegas

Michel Fouinnetau

Javier Toral Vazquez

Clément Breton

Javier Toral Vázquez

Sébastien Alby

Yves Belloc

Anne-Laure Lafly

Misael Hernandez-Perez

Benjamin Vignoboul

Umberto Gastaldi

Diego Folch CORTÉS

A cellular sandwich panel containing boron nitride powder and a manufacturing method. The sandwich panel has a first skin and a second skin between which is positioned a cellular core with cells opening out on both sides respectively in the first skin and the second skin, the cells being separated from one another by side walls. The side walls of the core comprise an aramid-, carbon- or glass-fibre-based reinforcement, a polymeric reinforcing resin and boron nitride powder.

Cellular sandwich panel containing boron nitride powder and manufacturing method for said panel

A locking mechanism situated in an inner zone and comprising at least one component that is adjustable in a longitudinal direction and that is linked to a support by a link having a rod secured to the adjustable component. The link includes a guideway link, linking the rod and the support, and an adjustment system. The adjustment system comprises a pivoting control pivoting on itself and having a first end accessible from an outer zone, an intermediate piece configured to pivot on itself, an angle transmission converting a pivoting movement of the pivoting control into a pivoting movement of the intermediate piece, and a helical link converting a pivoting movement of the intermediate piece into a translational movement of the rod. The locking mechanism allows for adjustment from the outer zone. An aircraft comprising at least one such locking mechanism is also provided.

Locking mechanism for at least one movable element situated in a first zone and comprising a component that can be adjusted from a second zone, and aircraft comprising at least one such locking mechanism

An air inlet of a nacelle of an aircraft including a lip having a leading edge configured to split an air flow into interior and exterior air flows, the interior air flow entering the air inlet, an exterior panel, an intermediate panel, interposed between the lip and the exterior panel, having a first edge connected to the lip by at least a first connection and a second edge connected to the exterior panel by at least a second connection, the first connection connecting the first edge of the intermediate panel and the lip comprising at least one butt weld bead having an outer face in the extension of the outer faces of the lip and of the intermediate panel.

Aircraft air inlet comprising at least two walls connected end to end by welding, method for the assembly of such an air inlet, and aircraft comprising at least one such air inlet

An output cone of an aircraft propulsive assembly extending in a general direction called longitudinal direction and including a front part and a rear part. The longitudinal assembly of the front part and rear part forms an acoustic treatment system with at least two degrees of freedom. Such a system allows for the treatment of several frequency ranges or of one wide frequency range by the treatment of several overlapping ranges.

Output cone of an aircraft propulsive assembly forming an acoustic treatment system with at least two degrees of freedom

A door for a thrust reversal system, an aircraft with such a door, and a method for manufacturing a door of a thrust reversal system. The door comprises a wall formed from long fibers embedded in a thermoplastic resin matrix and a network of ribs overmolded on one of the faces of the wall. A propulsion assembly of an aircraft comprises a thrust reversal system having a plurality of such doors.

Method for manufacturing a door of a thrust reversal system

An assembly for a nacelle, which includes a fixed cowl, a movable cowl that is movable between a closed position and an open position, and including an upper edge and a lower edge and, between the two edges, a reinforcing rib. The fixed cowl includes, an upper reinforcing rib and a lower reinforcing rib, a hinge including a fixed part attached to the upper reinforcing rib of the fixed cowl, a movable part attached to the reinforcing rib of the movable cowl, and at least two locks, each one including a first part secured to the lower reinforcing rib and a second part secured to the reinforcing rib of the movable cowl. An assembly of this kind serves to provide access to the inside of the nacelle while ensuring that the cowls remain sufficiently rigid.

Assembly for a nacelle of an aircraft engine, said assembly comprising a fixed cowl and a cowl mounted so as to be able to move on the fixed cowl

A method for manufacturing an acoustic element of a sound absorption structure including at least one cylindrical, conical or truncated conical chamber obtained from a flat preform shaped and then assembled in order to obtain the cylindrical, conical or truncated conical shape of the chamber. This manufacturing method makes it possible to obtain an acoustic element that has thin walls and is made from a material suited to its environment. An acoustic element obtained using the manufacturing method, a sound absorption structure comprising at least one such acoustic element and an aircraft powerplant comprising at least one such structure are also described.

Method for manufacturing an acoustic element of a sound absorption structure from at least one sheet of material

A nacelle of an aircraft propulsion assembly includes a front section and a main section. The nacelle also includes a junction flange between the front section and the main section including a plurality of deformable damper elements distributed along the inner peripheral edge of a stiffening frame of the nacelle. The damper element allows significant stresses to be absorbed between the engine flange and the stiffening frame. This configuration is particularly adapted to large nacelles. An aircraft propulsion assembly including such a nacelle is also described.

Nacelle of an aircraft propulsion assembly comprising a plurality of damper elements between a front section and a main section, and associated aircraft propulsion assembly

An acoustic absorption structure includes: at least one acoustic element which has at least one cavity delimited by at least one enclosure comprising at least one first drainage orifice passing through the enclosure, and a rotational indexing system making it possible to position the acoustic element so that at least one first drainage orifice is positioned in proximity to or at a lowest point of the cavity. An aircraft propulsion assembly including such an acoustic absorption structure is also described.

Acoustic absorption structure comprising at least one rotationally-indexed acoustic element and aircraft propulsion assembly comprising said acoustic absorption structure

A turbofan having a nacelle including a slider translationally mobile to open a window between a duct and the exterior, a plurality of blades, each rotationally mobile on the slider, and a maneuvering system moving each blade and comprising for each blade, a shaft rotationally mobile on the slider and onto which the blade is fixed, an arm having a first end fixed to the shaft, an arc coaxial with the longitudinal axis, mounted rotationally mobile on the slider about the longitudinal axis, a rectilinear rod fixed by its base to the arc, the rectilinear rod inserted into a through-bore of a stock, wherein the stock is mounted translationally free relative to the rectilinear rod, and the stock is mounted rotationally free on the arm at its second end about a rocking axis parallel to the rotational axis, and an actuation system producing arc rotation in two opposite directions.

Turbofan comprising a set of rotatable blades for blocking off the bypass flow duct

An acoustic panel () includes a plate () made of an acoustic absorbing material (), as well as a resistive skin () and a backing skin () arranged respectively on both sides of the plate (), the acoustic panel () including acoustic elements () able to carry out an acoustic absorption, each of them being arranged in a housing () provided in the plate () with an opening () in front of the resistive skin (). The combination of the plate () and the acoustic elements () allows to combine the sound attenuation properties of these two types of elements and to increase the frequency range of sounds that can be attenuated by the acoustic panel (), without increasing the dimension.

Sound attenuation panel for an aircraft

For fitting of a front engine attachment of an engine assembly for an aircraft, a shearing pin is oriented in a longitudinal direction and is integral with a front closure rib of the strut housing and projects forward, a main attachment body is arranged axially opposite the intermediate casing hub, at the rear of the latter, the main attachment body having an orifice for accommodation of the shearing pin, an arrangement for securing the main attachment body on the engine, and an arrangement for axial retention of the main attachment body relative to the rib, the axial retention arrangement comprising first screws, the heads of which cooperate with the rib, as well as barrel nuts which cooperate with the screws, and are accommodated in the main attachment body.

Engine assembly for an aircraft comprising a front engine attachment which facilitates its assembly

An internal shield inside the rear fuselage of an aircraft having a propulsion system formed by two engines mounted on each side of it. The internal shield is located in a suitable place inside the rear fuselage for covering the possible trajectories of fragments detached from one of the engines in a failure event that would impact critical elements of the opposite engine. The internal shield comprises an ensemble of fluid containers belonging to aircraft sub-systems, such as, particularly, the potable water and waste water sub-systems, with enough fluid for providing the energy absorption capability required for stopping the fragments. An aircraft having the internal shield is also disclosed.

Aircraft with a protective shield against an engine blade release

To reduce flexural deformations of an engine, an engine assembly comprises a device for attaching the engine onto a structure of an aircraft, the attachment device including a primary structure, an attachment device for attaching the engine onto the primary structure of the attachment pylon, and a nacelle including thrust reversal cowls, each equipped with an inner structure arranged around a case portion of the engine. The assembly includes flexible devices for transmitting forces, arranged between the case portion and the inner structures of the cowls, each device including an elastically deformable device configured so that in the closed position of the cowl, with the engine at a standstill, it adopts a partial elastic deformation state allowing the device to apply a prestress force on the case portion.

Aircraft engine assembly, comprising flexible force transmitting devices radially arranged between the thrust reversal cowls and the engine

In order to reduce the width of the attachment between the rear portion of an aircraft engine and its attachment pylon, an engine assembly attachment include an assembly of rear engine attachments comprising a first connecting rod laid out in a longitudinal and median vertical plane, a second connecting rod substantially laid out tangentially to the inter-turbine case, and a rear engine attachment for transversely spreading the loads, axially shifted rearwards relatively to the first and second connecting rods, and comprising a shear pin oriented along a vertical direction of the engine assembly.

Growing community of inventors

Toulouse, France

Wolfgang Brochard