Segmented resistance acoustic attenuating liner

Details Segmented resistance acoustic attenuating liner Segmented resistance acoustic attenuating liner

1991-03-18

1992-12-29

Gellner, Michael L.

Acoustics

Sound-modifying means

Sound absorbing panels

181286, E04B 182

Patent

active

051754010

ABSTRACT:
An acoustic attenuating liner has a non-metallic honeycomb core bonded on a backsheet. A corrosion-insulated perforated sheet is bonded to the honeycomb core by adhesive between the perforated sheet and the core. The mesh is woven to a plurality of different determined weave patterns from material on and affixed to the perforated sheet, whereby the mesh has a plurality of different resistances. The mesh is aligned with the perforated sheet and is bonded to the perforated sheet by additional adhesive between the mesh and the perforated sheet, thereby providing a segmented liner with a plurality of facesheet resistances.

REFERENCES:
patent: 3630312 (1971-12-01), Woodward et al.
patent: 4111081 (1978-09-01), Hilliard et al.
patent: 4410065 (1983-10-01), Harvey
patent: 4433021 (1984-02-01), Riel
patent: 4465725 (1984-08-01), Riel
patent: 4947958 (1990-08-01), Snyder
patent: 4990391 (1991-02-01), Veta

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