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:
Feb. 02, 2021
Filed:
May. 17, 2018
Safran Aircraft Engines, Paris, FR;
Nils Edouard Romain Bordoni, Melun, FR;
Michel Gilbert Roland Brault, Quincy-sous-SĂ©nart, FR;
Romain Guillaume Cuvillier, Cesson, FR;
Guillaume Patrice Kubiak, Saint-Pierre-du-Perray, FR;
Arnaud Nicolas Negri, Yerres, FR;
Nathalie Nowakowski, Cesson, FR;
SAFRAN AIRCRAFT ENGINES, Paris, FR;
Abstract
A turbomachine module includes a rotor supporting variable pitch blades, and an inner annular shaft, a blade pitch control device, a device for feathering at least one blade comprising at least one gas generator placed between a body and a movable member. The control device and the feathering device are situated radially between the shaft and the blades, the movable member is coupled with the at least one blade and capable, under the action of the gas generated and/or released by the generator, of being moved into a reference position wherein it entails a feathered position to the at least one blade.