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:
Sep. 08, 2026
Filed:
Oct. 16, 2024
Applicant:
Rolls-royce Plc, London, GB;
Inventors:
Martin K. Yates, Derby, GB;
Michael C. Willmot, Sheffield, GB;
Assignee:
Rolls-Royce plc, London, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02C 3/22 (2006.01); F02C 7/224 (2006.01); F02C 7/232 (2006.01); F02C 7/236 (2006.01);
U.S. Cl.
CPC ...
F02C 3/22 (2013.01); F02C 7/224 (2013.01); F02C 7/232 (2013.01); F02C 7/236 (2013.01); F05D 2220/323 (2013.01);
Abstract
A fuel system for a hydrogen fuelled gas turbine engine comprises a tank configured to store hydrogen, a pump configured to provide pressurised hydrogen at an outlet thereof, and a pre-heater configured to heat at least a portion of pressurised hydrogen fuel downstream of the pump. A preheater return offtake is configured to return at least a portion of hydrogen fuel heated by the preheater to the tank.