Is a
Patent attributes
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Alexis Caron-L'Ecuyer1
Andre Brodeur1
Date of Patent
July 5, 2022
1Patent Application Number
163394161
Date Filed
September 28, 2017
1Patent Citations
Patent Primary Examiner
CPC Code
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.
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