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.

Date of Patent:
Mar. 17, 2026

Filed:

Aug. 01, 2023
Applicant:

Pratt & Whitney Canada Corp., Longueuil, CA;

Inventors:

David Meisels, Montreal, CA;

Richard Freer, St-Basile-le-Grand, CA;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B64D 35/025 (2025.01); B64D 27/24 (2024.01); B64D 27/02 (2006.01);
U.S. Cl.
CPC ...
B64D 27/24 (2013.01); B64D 35/025 (2024.01); B64D 27/026 (2024.01);
Abstract

A method of and system for operating a hybrid-electric propulsion system is provided. The system has a thermal engine and an electrical propulsion subsystem having a plurality of components. The method includes providing a set of original engine ratings for operating the hybrid-electric propulsion system, the original engine ratings are based on one or more first performance/capability parameters of an original electrical propulsion subsystem component; replacing the original component with an alternative component, the alternative component having one or more second performance/capability parameters, wherein the second performance/capability parameters are different from the first performance/capability parameters; producing a set of alternative engine ratings based on the second performance/capability parameters; and operating the hybrid-electric propulsion system using the set of alternative engine ratings.


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