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. 03, 2015
Filed:
Jul. 23, 2010
Eric Jacques Boston, Cesson, FR;
Michel André Bouru, Montereau sur le Jard, FR;
Laurent Jablonski, Melun, FR;
Philippe Gérard Edmond Joly, Vaux le Penil, FR;
Eric Jacques Boston, Cesson, FR;
Michel André Bouru, Montereau sur le Jard, FR;
Laurent Jablonski, Melun, FR;
Philippe Gérard Edmond Joly, Vaux le Penil, FR;
SNECMA, Paris, FR;
Abstract
A hub for a propeller having variable pitch blades for a turbine engine, for example for a propfan turbine engine. The propeller hub includes: a polygonal ring having substantially radial cylindrical housings distributed about a central axis of the ring for receiving the blades; a rotor element for the turbine of the turbine engine; a supporting flange attached to the ring so as to connect the ring to the rotor element; and a plurality of backup retaining members linked to the rotor element, and each of which includes at least one bearing surface opposite an outer surface of the ring with a radial spacing.