Noise reducing air duct
AssigneeBombardier Inc.
InventorsAlexis Caron-L'Ecuyer, Andre Brodeur
Life of this patent
Estimating the term…
Abstract
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.
Claims20
An air duct, comprising:
- 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, the sound absorbing material covering all of the interior surface of the at least one of the first chamber and the second chamber.
An aircraft, comprising:
- a fuselage;
- and
- an air duct mounted within the fuselage, comprising:
- 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, the sound absorbing material covering all of the interior surface of the at least one of the first chamber and the second chamber.
Dependencies are inferred from the claim text.