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:
Jan. 09, 2024
Filed:
Aug. 07, 2020
Applicant:
Bell Textron Inc., Fort Worth, TX (US);
Inventor:
Joseph Dean Rainville, Fort Worth, TX (US);
Assignee:
Textron Innovations Inc., Providence, RI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B64C 7/02 (2006.01); B64C 39/02 (2023.01); H01M 8/0267 (2016.01); H01M 8/04014 (2016.01); B64U 50/19 (2023.01);
U.S. Cl.
CPC ...
B64C 7/02 (2013.01); B64C 39/024 (2013.01); H01M 8/0267 (2013.01); H01M 8/04014 (2013.01); B64U 50/19 (2023.01); H01M 2250/20 (2013.01);
Abstract
An unmanned aerial vehicle (UAV) has an air-cooled fuel cell, an air channel comprising a forward facing opening for receiving ram air and connected to the air-cooled fuel cell, and a passive ram air filtration system (PRAFS) configured to filter particulate matter from ram air received into the air channel via the opening.