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:
Mar. 31, 2020
Filed:
Aug. 09, 2017
Safran Aircraft Engines, Paris, FR;
Sébastien Emile Philippe Tajan, Sucy en Brie, FR;
Gilles Alain Marie Charier, La Grande Paroisse, FR;
Clément Cottet, Melun, FR;
Adrien Jacques Philippe Fabre, Montrouge, FR;
Christophe Marcel Lucien Perdrigeon, Ballainvilliers, FR;
SAFRAN AIRCRAFT ENGINES, Paris, FR;
Abstract
The invention relates to turbine engine module () including a case () rotating around a longitudinal axis (X) and carrying a propeller having a plurality of blades, a stationary case () comprising a cylindrical wall () extending between an inner wall () and an outer wall () of the rotating case (), and a system () for changing the pitch of the blades () of the propeller. The wall () is connected downstream to a first frustoconical wall () and upstream to a second frustoconical wall (), a first rolling bearing () being inserted respectively downstream directly between a radially outer face () of the inner wall () and a radially inner face () of the first frustoconical wall, and a second rolling bearing (') inserted downstream directly between the radially outer face () of the inner wall () and an inner face () of the second frustoconical wall ().