NOISE REDUCING AIR DUCT

An air duct includes a first chamber and a second chamber, the first chamber being defined between an air handling device and the second chamber, and the second chamber being defined between the first chamber and an environment exterior to the air duct, a plurality of first openings between the firs...

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Bibliographische Detailangaben
Hauptverfasser:	BRODEUR, Andre, CARON-L'ECUYER, Alexis
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	AIR-CONDITIONING, AIR-HUMIDIFICATION, VENTILATION, USE OF AIRCURRENTS FOR SCREENING AIRCRAFT ARRANGEMENTS OR MOUNTING OF POWER PLANTS OR PROPULSIONTRANSMISSIONS IN AIRCRAFT AVIATION BLASTING COSMONAUTICS EQUIPMENT FOR FITTING IN OR TO AIRCRAFT FLYING SUITS HEATING LIGHTING MECHANICAL ENGINEERING PARACHUTES PERFORMING OPERATIONS RANGES TRANSPORTING VENTILATING WEAPONS
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Beschreibung
Zusammenfassung:	An air duct includes a first chamber and a second chamber, the first chamber being defined between an air handling device and the second chamber, and the second chamber being defined between the first chamber and an environment exterior to the air duct, a plurality of first openings between the first chamber and the second chamber, a plurality of second openings between the second chamber and the environment exterior to the air duct, and a sound absorbing material defining at least a portion of an interior surface of at least one of the first chamber and the second chamber.