Acoustical liners

Details Acoustical liners Acoustical liners

1983-05-02

1985-04-09

Gonzales, John

Acoustics

Sound-modifying means

Muffler, fluid conducting type

181286, 181292, 423 43, 423120, 423116, B64D 3302

Patent

active

045096163

ABSTRACT:
An annular groove formed on the inner surface of the porous sheet of an acoustical aircraft or jet engine liner spaced from the front edge and adjacent to the adhesive bonding material serves to prevent dislodgement of the entire porous sheet upon an impending peeling of the porous sheet. The groove also serves as a circuitous path for cracks propagating upstream from a fault manifested downstream therefrom.

REFERENCES:
patent: 3821999 (1974-07-01), Guess et al.
patent: 3998014 (1976-12-01), Bartels et al.
patent: 4001473 (1977-01-01), Cook

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