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:
Mar. 10, 2026
Filed:
Feb. 02, 2023
Applicant:
Hamilton Sundstrand Corporation, Charlotte, NC (US);
Inventors:
Malcolm P. Macdonald, Bloomfield, CT (US);
Ram Ranjan, West Hartford, CT (US);
Assignee:
Hamilton Sundstrand Corporation, Charlotte, NC (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 8/04701 (2016.01); B60L 50/70 (2019.01); B60L 58/33 (2019.01); B64D 13/06 (2006.01); B64D 33/08 (2006.01); H01M 8/04014 (2016.01); H01M 8/04111 (2016.01); B64D 41/00 (2006.01);
U.S. Cl.
CPC ...
H01M 8/04701 (2013.01); B60L 50/70 (2019.02); B60L 58/33 (2019.02); B64D 13/06 (2013.01); B64D 33/08 (2013.01); H01M 8/04014 (2013.01); H01M 8/04111 (2013.01); B60L 2200/10 (2013.01); B64D 2013/0611 (2013.01); B64D 2013/0648 (2013.01); B64D 2041/005 (2013.01); H01M 2250/20 (2013.01);
Abstract
In accordance with at least one aspect of this disclosure, an emergency power unit system for an aircraft includes a fuel cell system configured to generate power using a fuel and an oxidant, and an oxidant supply system fluidly connected to the fuel cell system to supply the oxidant to the fuel cell system via an oxidant supply line. The oxidant supply system is fluidly connected to an environmental control system of an aircraft.