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:
May. 17, 2022
Filed:
May. 23, 2013
Applicant:
Safran Aircraft Engines, Paris, FR;
Inventors:
Hanna Reiss, Pontault-Combault, FR;
Adrien Biscay, Paris, FR;
Benoit Fayard, Chatillon, FR;
Laurent Jablonski, Melun, FR;
Damien Merlot, Vaux le Penil, FR;
Assignee:
SAFRAN AIRCRAFT ENGINES, Paris, FR;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04D 29/38 (2006.01); F04D 29/32 (2006.01); F04D 29/66 (2006.01); F01D 5/14 (2006.01); F04D 19/00 (2006.01);
U.S. Cl.
CPC ...
F04D 29/384 (2013.01); F01D 5/141 (2013.01); F04D 19/002 (2013.01); F04D 29/324 (2013.01); F04D 29/388 (2013.01); F04D 29/666 (2013.01); F05D 2220/36 (2013.01); F05D 2250/713 (2013.01); F05D 2260/961 (2013.01); Y02T 50/60 (2013.01);
Abstract
A fan blade for an airplane turbojet, the blade including an airfoil extending axially between a leading edge and a trailing edge and including a plurality of airfoil sections stacked radially between a root section and a tip section. All of the airfoil sections situated between the root section and an airfoil section situated at a radial height corresponding to 30% of a total radial height of the airfoil possess a skeleton curve having a point of inflection.