METHOD FOR INSERTING SEPTUM INTO ACOUSTIC LINER AND ACOUSTIC LINER WITH SEPTUM

An acoustic liner that may be for a turbofan engine may comprise a first sidewall (46), a second sidewall (48), wherein the first sidewall (46) and the second sidewall (48) define a plurality of cells (52) disposed therebetween, and a pre-cut septum ribbon (554) comprising a plurality of permeable s...

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Bibliographic Details
Main Author ALONSO-MIRALLES, Jose S
Format Patent
LanguageEnglish
French
German
Published 24.08.2022
Subjects
ACOUSTICS
ACOUSTICS NOT OTHERWISE PROVIDED FOR
AIR INTAKES FOR JET-PROPULSION PLANTS
BLASTING
COMBUSTION ENGINES
CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
GAS-TURBINE PLANTS
HEATING
HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
JET-PROPULSION PLANTS
LAYERED PRODUCTS
LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
LIGHTING
MECHANICAL ENGINEERING
METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING,NOISE OR OTHER ACOUSTIC WAVES IN GENERAL
MUSICAL INSTRUMENTS
PERFORMING OPERATIONS
PHYSICS
SOUND-PRODUCING DEVICES
TRANSPORTING
WEAPONS
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Summary:An acoustic liner that may be for a turbofan engine may comprise a first sidewall (46), a second sidewall (48), wherein the first sidewall (46) and the second sidewall (48) define a plurality of cells (52) disposed therebetween, and a pre-cut septum ribbon (554) comprising a plurality of permeable septum (54) coupled together via a plurality of connecting members (502), with each one of the plurality of permeable septum (54) being generally in a respective one of the plurality of cells (52).
Bibliography:Application Number: EP20190179507