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. 09, 2025
Filed:
Dec. 20, 2022
General Electric Company, Schenectady, NY (US);
General Electric Company Polska Sp. Z O.o., Warsaw, PL;
Amit Zutshi, Mason, OH (US);
Rafal Sarba, Warsaw, PL;
James Ryan Reepmeyer, Montgomery, OH (US);
Stefan Joseph Cafaro, Chapel Hill, NC (US);
Inenhe Mohammed Khalid, West Chester, OH (US);
Daniel Edward Mollmann, Cincinnati, OH (US);
Arjan Johannes Hegeman, Cincinnati, OH (US);
GENERAL ELECTRIC COMPANY, Evendale, OH (US);
GENERAL ELECTRIC COMPANY POLSKA SP. Z O.O., Warsaw, PL;
Abstract
An open rotor aeronautical engine may include a core engine, a plurality of unducted airfoils, and a pitch change assembly. The pitch change assembly may include an ensemble actuator assembly and a unitary actuator assembly. The ensemble actuator assembly may have one or more ensemble actuators and a unison ring that is movable by actuation of the one or more ensemble actuators to collectively change a pitch angle of the plurality of unducted airfoils. The unitary actuator assembly comprising a plurality of unitary actuators respectively coupled to a corresponding one of the plurality of unducted airfoils, the plurality of unitary actuators respectively movable to change the pitch angle of the corresponding one of the plurality of unducted airfoils.