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:
Sep. 08, 2026
Filed:
Dec. 12, 2023
Safran Helicopter Engines, Bordes, FR;
Universite DE Lorraine, Nancy, FR;
Centre National DE LA Recherche Scientifique, Paris, FR;
Pierre Alain Jean-Marie Darfeuil, Moissy-Cramayel, FR;
Thomas Michel André Gérard Barraco, Mazerolles, FR;
François Joseph Paul Lelong, Moissy-Cramayel, FR;
Serge Lionel Pierfederici, Paris, FR;
Thomas Klonowski, Moissy-Cramayel, FR;
SAFRAN HELICOPTER ENGINES, Bordes, FR;
UNIVERSITE DE LORRAINE, Nancy, FR;
CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, Paris, FR;
Abstract
An aircraft electric or hybrid propulsion architecture including at least two propulsion lines, each propulsion line including at least one electric motor supplied from at least two energy sources of the propulsion architecture through at least two energy supply paths, each energy supply path including at least one energy inverter, and one electrical protection delivering a DC voltage for a HVDC bus, each HVDC bus distributing this DC voltage to at least one electric motor through at least one energy inverter and one electrical protection, the propulsion architecture including at least partially dissimilar and preferably completely dissimilar energy supply paths.