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:
Jan. 06, 2026
Filed:
Nov. 24, 2021
Safran Aircraft Engines, Paris, FR;
Huguette De Wergifosse, Moissy-Cramayel, FR;
Nicolas Bertrand Georges De Blois, Moissy-Cramayel, FR;
SAFRAN AIRCRAFT ENGINES, Paris, FR;
Abstract
An actuating device of a fuel pump for an aircraft engine includes: a motor, a generator and an electrical connection member, the motor being an asynchronous machine with Dahlander coupling including a first rotor coupled to the pump for actuation thereof, and a first stator including at least one input phase, each input phase comprising two windings, the generator including a second rotor mechanically coupled to a shaft of the engine, and a second stator including at least one output phase, the electrical connection member being configured so as to connect each output phase to an input phase, and to connect the windings of each input phase in series or in parallel according to a speed of the engine.