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:
Jul. 25, 2023
Filed:
Jun. 29, 2022
Rolls-royce Plc, London, GB;
Peter Swann, Derby, GB;
David M Beaven, Nottingham, GB;
Craig W Bemment, Derby, GB;
Alastair G Hobday, Derby, GB;
Benjamin J Keeler, Derby, GB;
Christopher P Madden, Derby, GB;
Martin K Yates, East Haddon, GB;
ROLLS-ROYCE plc, London, GB;
Abstract
The present application discloses a method of determining one or more fuel characteristics of an aviation fuel used for powering a gas turbine engine of an aircraft. The method comprises: determining one or more performance parameters of the gas turbine engine during a first time period of operation of the gas turbine engine; and determining one or more fuel characteristics of the fuel based on the one or more performance parameters. A method of operating an aircraft, a fuel characteristic determination system, and an aircraft are also disclosed.