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:
Oct. 10, 2023
Filed:
Jul. 13, 2020
Safran Aircraft Engines, Paris, FR;
Clement Cottet, Moissy-Cramayel, FR;
Thierry Georges Paul Papin, Moissy-Cramayel, FR;
Regis Eugene Henri Servant, Moissy-Cramayel, FR;
SAFRAN AIRCRAFT ENGINES, Paris, FR;
Abstract
The invention relates to a turbomachine module (), comprising: —a rotating housing (-) supporting a propeller provided with a plurality of blades (), —a system for varying the pitch of the propeller blades (), the system comprising a control means, and a mechanism for varying the pitch of the propeller blades, characterised in that the system is supported by the rotary housing (-), in that the control means comprise an annular row of rotary actuators (), and in that the mechanism for varying the pitch of the blades comprises a synchronisation ring () that is driven to rotate by rotary output shafts () of the actuators (), the synchronisation ring () being guided in rotation relative to the rotary housing (-) by guide means and meshed by a first toothing () with pinions () of the blades ().