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:
Aug. 25, 2026
Filed:
Feb. 24, 2025
Applicant:
Pratt & Whitney Canada Corp., Longueuil, CA;
Inventor:
Jagoda Krzywon, Longueuil, CA;
Assignee:
Pratt & Whitney Canada Corp., Longueuil, CA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B64D 31/09 (2024.01); B64C 11/30 (2006.01);
U.S. Cl.
CPC ...
B64D 31/09 (2024.01); B64C 11/305 (2013.01);
Abstract
An apparatus includes a propeller, an engine configured to drive the propeller. The apparatus also includes a controller configured to control fuel flow to the engine responsive to the propeller operating in a first mode of operation and to control fuel flow to the engine in a second mode of operation responsive to the propeller operating in an uncontrollable high thrust condition.