The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 05, 2022
Filed:
Sep. 28, 2017
Applicant:
Bombardier Inc., Dorval, CA;
Inventors:
Alexis Caron-L'Ecuyer, Montreal, CA;
Andre Brodeur, Laval, CA;
Assignee:
BOMBARDIER INC., Dorval, CA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F24F 13/24 (2006.01); B64D 13/00 (2006.01); G10K 11/162 (2006.01);
U.S. Cl.
CPC ...
F24F 13/24 (2013.01); B64D 13/00 (2013.01); G10K 11/162 (2013.01);
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.