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:
Jun. 21, 2022
Filed:
Dec. 10, 2018
Applicant:
Bell Helicopter 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 ...
B64D 31/00 (2006.01); H01M 8/04082 (2016.01); H01M 8/04746 (2016.01); H01M 8/04313 (2016.01); B64D 33/08 (2006.01); B64C 39/02 (2006.01); B60L 58/33 (2019.01); B60L 58/00 (2019.01); B64D 27/24 (2006.01); H01M 8/04029 (2016.01);
U.S. Cl.
CPC ...
B64D 31/00 (2013.01); B60L 58/00 (2019.02); B60L 58/33 (2019.02); B64C 39/024 (2013.01); B64D 27/24 (2013.01); B64D 33/08 (2013.01); H01M 8/04029 (2013.01); H01M 8/04201 (2013.01); H01M 8/04313 (2013.01); H01M 8/04753 (2013.01); B60L 2200/10 (2013.01); B64C 2201/042 (2013.01); H01M 2250/20 (2013.01);
Abstract
An aircraft that includes a fuselage, an electric motor driven propulsion system, and a fuel cell system configured to provide electricity to the electric motor. The fuel cell system includes a fuel cell, a hydrogen tank, an oxygen tank, an air channel, and a cathode switch. The cathode switch being configured to convert between an air mode, wherein the fuel cell operates utilizing air from the air channel, and an oxygen mode, wherein the fuel cell operates utilizing oxygen from the oxygen tank.