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.

Date of Patent:
Sep. 10, 2024

Filed:

Mar. 01, 2023
Applicant:

Rolls-royce Plc, London, GB;

Inventors:

Nathan Clark, Cambridge, GB;

Robert J. Miller, Cambridge, GB;

Chloe J Palmer, Derby, GB;

Jacopo Tacconi, Derby, GB;

Assignee:

Rolls-Royce plc, London, GB;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F23R 3/00 (2006.01); F02C 7/224 (2006.01); F02C 7/36 (2006.01);
U.S. Cl.
CPC ...
F23R 3/005 (2013.01); F02C 7/224 (2013.01); F02C 7/36 (2013.01); F05D 2260/40311 (2013.01);
Abstract

A combined cycle engine is formed of a gas turbine cycle coupled with a fuel expansion cycle in which fuel for the gas turbine cycle is the working fluid of the fuel expansion cycle. The fuel expansion cycle comprises, in flow series, a fuel pump for pumping a cryogenic fuel for the gas turbine cycle, a first heat exchanger for heating the fuel, an expander to recover power by expansion of the fuel and to thereby drive a load, and a second heat exchanger to reheat the fuel. The gas turbine cycle comprises, in flow series, a compressor, a combustor for combustion of reheated fuel delivered from the second heat exchanger, and a turbine configured to drive the compressor. The first heat exchanger and the second heat exchanger are stationed downstream of the combustor and configured to transfer heat from combustion products to the fuel in the fuel expansion cycle.


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Clark, Nathan. (2024). Combined cycles (U.S. Patent No. 12085280). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12085280

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