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. 21, 2026
Filed:
Mar. 29, 2022
Applicant:
Pratt & Whitney Canada Corp., Longueuil, CA;
Inventor:
Daniel Alecu, Brampton, CA;
Assignee:
Pratt & Whitney Canada Corp., Longueuil, CA;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B64D 27/33 (2024.01); B64D 27/10 (2006.01); B64D 27/31 (2024.01); B64D 31/18 (2024.01); B64D 35/025 (2024.01); B64D 27/02 (2006.01);
U.S. Cl.
CPC ...
B64D 27/10 (2013.01); B64D 27/31 (2024.01); B64D 27/33 (2024.01); B64D 31/18 (2024.01); B64D 35/025 (2024.01); B64D 27/026 (2024.01);
Abstract
A system is provided for an aircraft. This aircraft system includes a propulsor, a powerplant and a control system. The powerplant is configured to output mechanical power to drive rotation of the propulsor. The powerplant includes a heat engine and an electric machine. The heat engine is configured to provide a first portion of the mechanical power. The electric machine is configured to provide a second portion of the mechanical power. The control system is configured to operate the powerplant to control a rotational speed of the propulsor by adjusting the second portion of the mechanical power.