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:
Dec. 10, 2013
Filed:
Sep. 23, 2009
Pierre-yves Liegeois, Suresnes, FR;
François-noël Leynaert, Montmorency, FR;
Farid Meibody-tabar, Villers-les-Nancy, FR;
Serge Lionel Pierfederici, Velaine en Haye, FR;
Babak Nahid Mobarakeh, Villers-les-Nancy, FR;
Pierre-Yves Liegeois, Suresnes, FR;
François-Noël Leynaert, Montmorency, FR;
Farid Meibody-Tabar, Villers-les-Nancy, FR;
Serge Lionel Pierfederici, Velaine en Haye, FR;
Babak Nahid Mobarakeh, Villers-les-Nancy, FR;
Messier-Bugatti-Dowty, Velizy Villacoublay, FR;
Universite de Lorraine, Nancy Cedex, FR;
Centre National de la Recherche Scientifique, Paris, FR;
Abstract
The invention relates to an actuator including an electrical machine. The electrical actuator () comprising: a polyphase machine (); at least one connection member () for powering the actuator from at least one network () delivering alternating current; and first and second buses () connected in parallel between each connection member () and the machine () for applying frequency control thereto. Each inverter () comprises a plurality of arms each having two controlled switches, each phase of the machine () being connected both to the two switches of an arm of the first inverter () and also to the two switches of an arm of the second inverter (). The actuator further comprises controlled connection and disconnection means interposed between each bus () and each connection member. The invention is applicable to actuators used in aviation.