Acoustic panel for an aircraft turbomachine, and associated method and installation
AssigneesSafran, Safran Nacelles
InventorsPatrick DUNLEAVY, Sophie SENANI, Denis GUILLOIS
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Abstract
An acoustic panel for an aircraft turbomachine. The acoustic panel includes a first skin formed from a first composite material having a first polymer matrix and reinforcing fibers embedded in the matrix, a second skin formed from a second composite material having a second, thermoplastic polymer matrix and reinforcing fibers embedded in the second matrix, and a core having a honeycomb structure The core can be arranged between the first skin and the second skin, and the second skin can contain holes having a diameter less than 1 mm.
Claims14
An acoustic panel for an aircraft turbomachine, the acoustic panel comprising:
- a first skin formed from a first composite material having a first polymer matrix and reinforcing fibers embedded in the first polymer matrix;
- a second skin formed from a second composite material having a second thermoplastic polymer matrix and reinforcing fibers embedded in the second thermoplastic polymer matrix, the second skin comprising holes having a diameter less than 1 mm;
- a core having a honeycomb structure, the core being arranged between the first skin and the second skin;
- and
- a coating having a layer comprising a ceramic material and deposited by thermal spraying, wherein the first skin is arranged between the coating and the core.
Dependencies are inferred from the claim text.