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. 14, 2026
Filed:
Jun. 18, 2024
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
A method of determining one or more fuel characteristics of an aviation fuel suitable for powering a gas turbine engine of an aircraft. The method includes: exposing the surface of a piezoelectric crystal to the fuel; measuring a vibration parameter of the piezoelectric crystal; and determining one or more fuel characteristics of the fuel based on the vibration parameter. Also disclosed is a fuel characteristic determination system, a method of operating an aircraft, and an aircraft.