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. 17, 2025
Filed:
May. 31, 2023
Applicant:
Rolls-royce Plc, London, GB;
Inventors:
Peter Swann, Derby, GB;
Craig W Bemment, Derby, GB;
Alastair G Hobday, Derby, GB;
Benjamin J Keeler, Derby, GB;
Christopher P Madden, Derby, GB;
Assignee:
ROLLS-ROYCE PLC, London, GB;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F02C 9/28 (2006.01); B64D 27/10 (2006.01); B64D 37/04 (2006.01); G08G 5/32 (2025.01);
U.S. Cl.
CPC ...
F02C 9/28 (2013.01); B64D 27/10 (2013.01); B64D 37/04 (2013.01); G08G 5/32 (2025.01);
Abstract
A method of operating an aircraft including a gas turbine engine and a fuel tank arranged to provide fuel to the gas turbine engine. The method includes: determining at least one fuel characteristic of the fuel arranged to be provided to the gas turbine engine; and proposing or initiating a change to a flight profile of the aircraft based on the at least one fuel characteristic. For example, intended route and/or altitude of the aircraft may be changed based on the one or more fuel characteristics.