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:
Nov. 11, 2025
Filed:
Jul. 12, 2024
Applicant:
Rtx Corporation, Farmington, CT (US);
Inventors:
Brandon M. Evans, San Antonio, TX (US);
Neil J. Terwilliger, Cheshire, CT (US);
Assignee:
RTX CORPORATION, Farmington, CT (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F02C 6/18 (2006.01); B64D 37/30 (2006.01); F01K 23/10 (2006.01); F02C 1/10 (2006.01); F02C 7/22 (2006.01); F02C 7/224 (2006.01);
U.S. Cl.
CPC ...
F02C 6/18 (2013.01); B64D 37/30 (2013.01); F01K 23/10 (2013.01); F02C 1/10 (2013.01); F02C 7/22 (2013.01); F02C 7/224 (2013.01); F05D 2260/213 (2013.01);
Abstract
An aircraft propulsion system includes a core engine, a first bottoming cycle and a second bottoming cycle that utilize different working fluids having different critical temperatures such that each of the bottoming cycles have different heat absorption capabilities.