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. 25, 2024
Applicant:
Rolls-royce Plc, London, GB;
Inventors:
Benjamin J Keeler, Chesterfield, GB;
Craig W Bemment, Derby, GB;
Alastair G Hobday, Derby, GB;
Andrea Minelli, Derby, GB;
Andrew T Smith, Derby, GB;
Assignee:
ROLLS-ROYCE plc, London, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02C 7/14 (2006.01); F02C 7/06 (2006.01);
U.S. Cl.
CPC ...
F02C 7/14 (2013.01); F02C 7/06 (2013.01); F05D 2260/213 (2013.01); F05D 2260/98 (2013.01);
Abstract
A method of operating a gas turbine engine comprising an engine core comprising a turbine, a compressor, a core shaft connecting the turbine to the compressor, and a combustor arranged to combust a fuel; a fan located upstream of the engine core; an oil system arranged to circulate oil; and a heat exchange system comprising at least one fuel-oil heat exchanger arranged to transfer heat from the oil to the fuel, wherein the method comprises: