INTEGRALLY DAMPED COMPOSITE AIRCRAFT FLOOR PANELS

A sound-damping panel. The sound-damping panel includes a first face sheet. The sound-damping panel also includes a core connected to the first face sheet. The core has a honeycomb structure. Walls of the honeycomb structure are embedded with a viscoelastic material configured to dampen sound in a p...

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Bibliographische Detailangaben
Hauptverfasser:	Emerson, Craig H, Weston, Adam Robert, Montgomery, Joshua M
Format:	Patent
Sprache:	eng
Schlagworte:	ACOUSTICS ACOUSTICS NOT OTHERWISE PROVIDED FOR AEROPLANES AIRCRAFT AVIATION COSMONAUTICS HELICOPTERS LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM 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
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Beschreibung
Zusammenfassung:	A sound-damping panel. The sound-damping panel includes a first face sheet. The sound-damping panel also includes a core connected to the first face sheet. The core has a honeycomb structure. Walls of the honeycomb structure are embedded with a viscoelastic material configured to dampen sound in a pre-selected frequency range. The sound-damping panel also includes a second face sheet connected to the core, the second face sheet opposite the first face sheet relative to the core.