NACELLE AIR INTAKE WITH ACOUSTIC PANEL Russian patent published in 2023 - IPC B64D33/02 F02C7/45 

Abstract RU 2803661 C2

FIELD: turbojet engines.

SUBSTANCE: air intake (1) of the turbojet engine nacelle contains a ring structure (110), including an outer fairing (100) defining the outer aerodynamic surface, and an inner fairing (102) defining the inner aerodynamic surface. The outer (100) and inner (102) fairings are connected at the front downstream by the edge (108) of the air intake, forming the leading edge. The inner fairing (102) includes an outer skin (114) attached to the edge (108) of the air intake via an upstream mounting flange (118). The outer casing (114) is configured to be attached to the outer casing (116) of the fan by means of a downstream mounting flange (122). The air intake (1) contains individual acoustic panels (2) attached to the outer skin (114) and containing a perforated acoustic skin (200) and a cellular core (202).

EFFECT: simplification of maintenance and repair is achieved.

13 cl, 11 dwg

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RU 2 803 661 C2

Authors

Caruel Pierre

Desjoyeaux Bertrand

Leroyer Bertrand

Versaevel Marc

Valleroy Laurent Georges

Dates

2023-09-19Published

2020-04-20Filed