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:
Aug. 29, 2023
Filed:
Aug. 20, 2018
Applicant:
The Boeing Company, Chicago, IL (US);
Inventors:
Bryce A. Vandyke, Snohomish, WA (US);
John Erik West, Seattle, WA (US);
Douglas D. Maben, Snohomish, WA (US);
Andrew K. Fung, Everett, WA (US);
David R. C. Cannal, Marysville, WA (US);
Assignee:
THE BOEING COMPANY, Chicago, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F24F 13/02 (2006.01); F24F 13/24 (2006.01); B64D 13/06 (2006.01);
U.S. Cl.
CPC ...
F24F 13/0263 (2013.01); B64D 2013/0603 (2013.01); F24F 13/0245 (2013.01); F24F 13/0281 (2013.01); F24F 2013/242 (2013.01);
Abstract
A duct includes a rigid air-permeable tube of composite material. The duct also includes a layer of insulation coupled to an exterior surface of the rigid air-permeable tube. The duct further includes a non-rigid insulation layer in contact with the layer of insulation. The non-rigid insulation layer forms an air-impermeable duct wall.