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:
Dec. 30, 2025
Filed:
Jan. 27, 2023
Applicant:
Raytheon Technologies Corporation, Farmington, CT (US);
Inventors:
Neil J. Terwilliger, Cheshire, CT (US);
Marc J. Muldoon, Marlborough, CT (US);
Assignee:
RTX CORPORATION, Farmington, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B64F 1/28 (2006.01); B64D 37/30 (2006.01); B64F 5/40 (2017.01);
U.S. Cl.
CPC ...
B64F 1/28 (2013.01); B64D 37/30 (2013.01); B64F 5/40 (2017.01);
Abstract
A cryogenic fueled aircraft propulsion maintenance system includes a fuel system of an aircraft, the fuel system includes a cryogenic fuel tank that is configured to maintain the fuel in a liquid phase during aircraft operating conditions, a gas collection system where boil off gas from the fuel system is collected, and a fuel reliquification system that is configured to receive boil off gas from the gas collection system and transform the boil off gas into a liquid phase as liquid fuel.