Forward part of an aircraft propulsion unit nacelle comprising a main propagation path for forces between an air intake lip and a back skin of an acoustic panel

Forward part of an aircraft propulsion unit nacelle comprising a main propagation path for forces between an air intake lip and a back skin of an acoustic panel

A forward part of an aircraft propulsion unit nacelle, comprising an air intake lip, an acoustic panel, and a rigid connection between the acoustic panel and the air intake lip. The acoustic panel has a resistive surface and a back skin, and the rigid connection is formed between the air intake lip...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Sentier, Julien, Porte, Alain, Lalane, Jacques
Format: Patent
Sprache:eng
Schlagworte:
AIRCRAFT
ARRANGEMENTS OR MOUNTING OF POWER PLANTS OR PROPULSIONTRANSMISSIONS IN AIRCRAFT
AVIATION
COSMONAUTICS
EQUIPMENT FOR FITTING IN OR TO AIRCRAFT
FLYING SUITS
PARACHUTES
PERFORMING OPERATIONS
TRANSPORTING
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Beschreibung
Zusammenfassung:A forward part of an aircraft propulsion unit nacelle, comprising an air intake lip, an acoustic panel, and a rigid connection between the acoustic panel and the air intake lip. The acoustic panel has a resistive surface and a back skin, and the rigid connection is formed between the air intake lip and the back skin of the acoustic panel to form a propagation path for forces between the air intake lip and the back skin. This configuration gives freedom from design constraints, which enables an increase in the acoustic treatment region toward the front of the nacelle. An aircraft propulsion unit comprising a nacelle having such a forward part is also provided.