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:
Jan. 14, 2020
Filed:
Apr. 28, 2016
Applicant:
Safran Aircraft Engines, Paris, FR;
Inventors:
Alexandre Damiens, Saint Ouen l'Aumone, FR;
Frédéric Jean-Bernard Pouzadoux, Melun, FR;
Gilles Pierre-Marie Notarianni, Brie Comte Robert, FR;
Assignee:
SAFRAN AIRCRAFT ENGINES, Paris, FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04D 29/38 (2006.01); F01D 5/28 (2006.01); F01D 5/14 (2006.01); F02C 7/04 (2006.01);
U.S. Cl.
CPC ...
F04D 29/388 (2013.01); F01D 5/147 (2013.01); F01D 5/282 (2013.01); F01D 5/288 (2013.01); F02C 7/04 (2013.01); F05D 2250/73 (2013.01); F05D 2300/133 (2013.01); F05D 2300/603 (2013.01); Y02T 50/672 (2013.01);
Abstract
The invention relates to a blade made of composite material, provided with a reinforcement () made of a stronger material with regard to a leading edge () likely to be struck by solid objects, which comprises, under the aerodynamic portion of the blade, extensions () attached to the blade root. According to the invention, the extensions () are dissymmetric, the extension () located on the suction side being generally further back from the leading edge () than the extension () on the pressure side.