摘要:
The invention relates to an assembly for a turbojet engine which includes a pylon (1) and a nacelle supported by said pylon (1). Said nacelle (3) includes a grid thrust reverser (21) including an integral cowl mounted so as to slide on rails (15), which are arranged on both sides of said pylon (1), between a direct jet position and a thrust reversal position. Said assembly is characterised in that it includes means (23, 31) for blocking the sliding movement of the cowl on the rails (15), said means being inserted between the pylon (1) and the cowl.
摘要:
The invention relates to a structuring assembly (13) for an exhaust nozzle, including the following main elements: (a) an outer skin (22) including a non-acoustic portion (33); (b) an inner structuring skin (23); (c) an acoustic structure (21) including cells (27) having a cellular core, said acoustic structure being arranged between the outer skin (22) and the inner structuring skin (23), at least one of said main elements being made of a composite material, and the acoustic structure (21) being supported between the outer skin (22) and inner structuring skin (23) by linking means (31; 41) attached to the inner structuring skin (23) and to the non-acoustic portion (33) of the outer skin (22) so as to transfer the stresses onto the inner structuring skin (23) and the non-acoustic portion (33) of the outer skin (22). The invention also relates to an exhaust nozzle for a nacelle, comprising such a structuring assembly (13), as well as to a nacelle.
摘要:
The present invention relates to a locking system (20) for a movable lateral cowl (8) of a turbine engine nacelle intended to be connected to a pylon (4) of an aircraft, comprising, on the one hand, a clevis (21) intended to be connected to the pylon, and, on the other hand, a rod (22) intended to be mounted on the movable cowl and capable of engaging with the clevis when the movable cowl is in the closed position, characterized in that the rod is mounted so that it can move translationally along a substantially longitudinal axis of the movable cowl so as to form a slider which can shift between a locked position, in which it is engaged with the clevis and provides a structural connection between the pylon and the movable cowl, and an unlocked position, in which it is disengaged from the clevis and allows the movable cowl to be opened.
摘要:
The invention relates to a suspension assembly for an aircraft turbojet engine (3), including a pylon (1) up and connected to the pylon (1), and connecting rods (13a, 13b) for taking up the thrust of the turbojet engine (3) remarkable in that the assembly includes means (19a, 19b; 25) separate from said pylon for thermally insulating the connecting rods (13a, 13b) from the turbojet engine (3).
摘要:
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.
摘要:
This assembly comprises a first component (9), a second component (3), and a connecting device (19) for connecting these two components together, this device (19) being of the type that maintains the integrity of the surface of said second component (3), and the assembly being noteworthy in that said connecting device (19) comprises a structural skin (21) fixed to said first component (9) and a porous material (23) attached to this structural skin and fixed by contact to said second component (3).
摘要:
The present invention relates to a structure (7) for a lip (4a) of an air inlet (4) of a turbojet pod (1) comprising an outer skin (12), designed to be oriented towards the outside of the lip, and an inner skin (13), designed to be oriented towards the inside of the lip, characterized in that it comprises at least one electric heating element (14) situated between the inner skin and the outer skin and capable of being connected to electric supply means (15, 16), at least one electric heating element extending at least partly through an acoustic attenuation zone having perforations (11) passing through the structure and associated with an acoustic attenuation structure (30) fitted to the inner skin.
摘要:
The invention relates to a nacelle for a turbojet engine that comprises an air intake structure (2) capable of directing an air flow towards a fan of the turbojet engine, and an intermediate structure for surrounding said fan and to which the air intake structure is attached in order to ensure aerodynamic continuity, wherein the air intake structure includes, on the one hand, at least one inner panel (21) attached to the intermediate structure and defining with the latter a fixed nacelle structure and, on the other hand, at least one longitudinal outer panel (20) removably attached to the fixed structure and including an air intake lip (2a) in order to form a removable air intake structure, characterised in that the air intake structure is provided with peripheral locking means including at least one locking means (10) attached to the inner panel or to the air intake lip and each capable of interacting with an additional retaining means (11) respectively attached to the air intake lip or to the inner panel.
摘要:
The invention relates to a securing plate (1) for removably securing a one-piece propulsion unit (17) to a wing of an aircraft, characterised in that it includes first connection means (4, 5, 8, 13, 14) for securing the plate to the wing, second connection means (24) for securing the one-piece propulsion unit to the plate and third connection means (7) for securing a pair of longitudinal handling members (22) to the plate. The invention also relates to a specific longitudinal member and to an installation including a one-piece propulsion unit secured in the plate.
摘要:
The invention relates to a thrust reverser (9) for an aircraft nacelle (1), including: a front frame (11), a cowl (21) which can move between an operating position and an intermediate maintenance position downstream of the front frame (11), means (26) for moving the cowl (21) between closed and open positions, and an inner structure (23) which can move between an operating position and an intermediate maintenance position downstream of the front frame (11). In addition, the cowl (21) comprises two half-cowls (21a, 21b) and the inner structure (23) comprises two structure halves (23a, 23b), whereby said half-cowls (21a, 21b) and said inner structure halves (23a, 23b) can open outward when the cowl (21) and the inner structure (23) are in the intermediate maintenance position.