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. 21, 2024
Filed:
Jul. 19, 2021
Applicant:
Pratt & Whitney Canada Corp., Longueuil, CA;
Inventors:
Ezzat Meshkin Fam, Mississauga, CA;
Xuening Lu, Longueuil, CA;
Assignee:
Pratt & Whitney Canada Corp., Longueuil, CA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02C 9/40 (2006.01); B64D 37/30 (2006.01); F02C 7/236 (2006.01);
U.S. Cl.
CPC ...
F02C 9/40 (2013.01); B64D 37/30 (2013.01); F02C 7/236 (2013.01);
Abstract
A method is provided for operating an aircraft system. During this method, an engine is operated using first fuel provided by a first fuel source. A fuel supply for the engine is switched between the first fuel source and a second fuel source, where the switching of the fuel supply includes shutting down the engine during aircraft flight. The engine is operated using second fuel provided by the second fuel source.