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:
May. 03, 2024
Rtx Corporation, Farmington, CT (US);
Jinquan Xu, East Greenwich, RI (US);
Michael Winter, New Haven, CT (US);
RTX Corporation, Farmington, CT (US);
Abstract
An open rotor gas turbine engine includes a gearbox and a fan blade system coupled to the gearbox. The fan blade system includes a hub and a plurality of fan blades affixed to the hub. At least one of the fan blades includes a blade body and a break line formed within the blade body at a location that divides the blade body into sections having parametrically defined masses. The break line has less rigidity than surrounding portions of the blade body that surround the break line. The blade body of at least one fan blade is configured to break into the sections when subjected to an excessive stress.