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:
Feb. 06, 2023
Raytheon Technologies Corporation, Farmington, CT (US);
Marc J. Muldoon, Marlborough, CT (US);
RTX CORPORATION, Farmington, CT (US);
Abstract
An assembly is provided for an aircraft propulsion system. This aircraft propulsion system assembly includes an electric machine, a rotating structure, a geartrain, a propulsion system component and a lubrication system. The electric machine includes a machine volume and a machine rotor. The rotating structure includes a bladed rotor. The geartrain couples the machine rotor to the rotating structure. The geartrain includes a geartrain volume. The propulsion system component is arranged with the rotating structure. The propulsion system component includes a component volume. The lubrication system includes a lubricant circuit and a lubricant source configured to direct lubricant through the lubricant circuit. The lubricant circuit includes the machine volume, the geartrain volume and the component volume.