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:
Apr. 14, 2026
Filed:
Jun. 18, 2024
Applicant:
Rolls-royce Plc, London, GB;
Inventors:
Assignee:
Rolls-Royce plc, London, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F23R 3/28 (2006.01); F01D 15/10 (2006.01); F02C 3/22 (2006.01); F02C 7/224 (2006.01); F02C 9/40 (2006.01);
U.S. Cl.
CPC ...
F23R 3/28 (2013.01); F01D 15/10 (2013.01); F02C 3/22 (2013.01); F02C 7/224 (2013.01); F02C 9/40 (2013.01); F05D 2220/323 (2013.01); F05D 2220/76 (2013.01); F05D 2300/121 (2013.01);
Abstract
A gas turbine engine is configured to combust hydrogen fuel. The gas turbine engine comprises a fuel system comprising: a fuel pump configured to provide pressurised fuel to a core combustor of the gas turbine engine; a recuperator configured to heat fuel from combustion gases downstream of the core combustor; a fuel turbine downstream in fuel flow of the recuperator. The fuel turbine being configured to be driven by heated fuel and configured to power the fuel pump. Wherein the fuel turbine has an expansion ratio between 1.4 and 2.5.