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:
May. 12, 2026
Filed:
Jan. 30, 2023
Applicant:
Hamilton Sundstrand Corporation, Charlotte, NC (US);
Inventor:
Malcolm P. Macdonald, Bloomfield, CT (US);
Assignee:
Hamilton Sundstrand Corporation, Charlotte, NC (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 8/04225 (2016.01); B60L 50/60 (2019.01); B60L 50/70 (2019.01); B60L 58/33 (2019.01); B64D 27/24 (2006.01); H01M 8/04007 (2016.01); H01M 8/04111 (2016.01); H01M 16/00 (2006.01);
U.S. Cl.
CPC ...
H01M 8/04225 (2016.02); B60L 50/60 (2019.02); B60L 50/70 (2019.02); B60L 58/33 (2019.02); B64D 27/24 (2013.01); H01M 8/04067 (2013.01); H01M 8/04111 (2013.01); H01M 16/006 (2013.01); B60L 2200/10 (2013.01); B64D 2221/00 (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 oxidizer and to supply electrical power to an aircraft electrical bus in at least a fuel cell operational mode. An electrical storage is operatively connected to the aircraft electrical bus and directly connected to the fuel cell system to provide electrical power to the aircraft electrical bus and to the fuel cell system in a fuel cell start up mode.