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:
Nov. 28, 2023
Filed:
Mar. 25, 2019
Safran, Paris, FR;
Safran Electrical & Power, Blagnac, FR;
Safran Helicopter Engines, Bordes, FR;
Safran Power Units, Toulouse, FR;
Safran Electronics & Defense, Boulogne Billancourt, FR;
Thomas Klonowski, Moissy-Cramayel, FR;
Thomas Barraco, Moissy-Cramayel, FR;
Camel Serghine, Moissy-Cramayel, FR;
SAFRAN, Paris, FR;
SAFRAN ELECTRICAL & POWER, Blagnac, FR;
SAFRAN HELICOPTER ENGINES, Bordes, FR;
SAFRAN POWER UNITS, Toulouse, FR;
SAFRAN ELECTRONICS & DEFENSE, Boulogne Billancourt, FR;
Abstract
In the field of multi-rotor rotary-wing aircraft a propulsion system for such an aircraft includes a reconfigurable electric network for supplying the electric motors driving the rotors. The system includes: a supply source, a supply bus connected to the supply source, at least four drive units each including an electric motor and its control circuit, and an electrical ring network including: an electrical line which is interrupted at each drive unit and whose ends are connected to the supply bus, and, for each drive unit, a first switch and a second switch that are connected between the control circuit and the electrical line, on either side of the interruption.