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:
Apr. 07, 2026
Filed:
Dec. 16, 2024
Lockheed Martin Corporation, Bethesda, MD (US);
William J. Eadie, Cheshire, CT (US);
Michael Strauss, Stratford, CT (US);
Igor Cherepinsky, Stratford, CT (US);
Vladimir Blasko, Stratford, CT (US);
Emre Gurpinar, Stratford, CT (US);
Lockheed Martin Corporation, Bethesda, MD (US);
Abstract
A vertical takeoff and landing aircraft, includes a main rotor system, a gearbox mechanically connected to the main rotor system, a first gas turbine engine mechanically connected to the gearbox, a first electrical motor-generator mechanically connected to the first gas turbine engine and mechanically connected to the gearbox, a second electrical motor-generator mechanically connected to the gearbox, a third electrical motor electrically connected to the second electrical motor-generator and mechanically connected to an anti-torque device, the third electrical motor configured to provide mechanical power to the anti-torque device, and a plurality of power-controller interface units. The plurality of power-controller interface units are configured to, during a first phase of flight, control the first gas turbine engine and the first electrical motor-generator to provide mechanical power to the gearbox, and control the second electrical motor-generator to provide electrical power to the third electrical motor.