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:
Jan. 27, 2026
Filed:
Sep. 04, 2020
Hamilton Sundstrand Corporation, Charlotte, NC (US);
Pratt & Whitney Canada Corp., Longueuil, CA;
Mitchell Sanders, Atlanta, GA (US);
Todd A. Spierling, Rockford, IL (US);
Hamilton Sundstrand Corporation, Charlotte, NC (US);
Pratt & Whitney Canada Corp., Longueuil, CA;
Abstract
An aircraft propulsion system includes a hybrid-electric power plant for delivering power to an air mover for propelling an aircraft. The hybrid-electric power plant includes a heat engine operatively connected to a first air mover, and an electric motor operatively connected to a second air mover. The second air mover is positioned on a wing of the aircraft outboard from the heat engine. A method for reducing trailing vortices includes powering a first air mover of an aircraft with a heat engine during a take-off stage, a climb stage, a cruise-stage and/or a descent stage. The method includes powering a second air mover of the aircraft with an electrical motor during the take-off stage and/or the climb stage. The method includes freewheeling the second air mover during the cruise stage and/or the descent stage to generate mechanical energy and reduce wing tip vortices.