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. 16, 2024
Filed:
May. 15, 2020
Applicant:
Pratt & Whitney Canada Corp., Longueuil, CA;
Inventors:
Richard A. Poisson, Avon, CT (US);
Paul C. Imel, Hartford, CT (US);
Leonid Guerchkovitch, Dollard des Ormeaux, CA;
Assignee:
PRATT & WHITNEY CANADA CORP., Longueuil, CA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B64D 31/02 (2006.01); B64D 27/02 (2006.01); B64D 27/04 (2006.01); B64D 27/24 (2006.01);
U.S. Cl.
CPC ...
B64D 31/02 (2013.01); B64D 27/02 (2013.01); B64D 27/04 (2013.01); B64D 27/24 (2013.01); B64D 2027/026 (2013.01);
Abstract
A method includes controlling an electric motor of a hybrid-electric powerplant for an aircraft using an EPC (electric powertrain controller) and controlling a heat engine of the hybrid-electric powerplant using an ECU (engine control unit). The method includes performing at least one of the following to protect the hybrid-electric powerplant: using the ECU to power down the electric motor, and/or using the EPC to power down the heat engine.