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. 09, 2021
Filed:
Oct. 30, 2018
Applicant:
Safran Aircraft Engines, Paris, FR;
Inventors:
Claire Marie Figeureu, Moissy Cramayel, FR;
Eric Pierre Georges Lemarechal, Moissy Cramayel, FR;
Benjamin Bulot, Moissy Cramayel, FR;
Mathieu Simon Paul Gruber, Moissy Cramayel, FR;
Raphael Barrier, Paris, FR;
Cyril Polacsek, Clamart, FR;
Assignee:
SAFRAN AIRCRAFT ENGINES, Paris, FR;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01D 9/04 (2006.01); F01D 5/14 (2006.01); F04D 29/68 (2006.01); F04D 29/54 (2006.01); F04D 29/66 (2006.01); F01D 25/16 (2006.01); F01D 5/28 (2006.01);
U.S. Cl.
CPC ...
F01D 9/041 (2013.01); F01D 5/141 (2013.01); F04D 29/544 (2013.01); F04D 29/667 (2013.01); F04D 29/681 (2013.01); F01D 5/148 (2013.01); F01D 5/282 (2013.01); F01D 25/162 (2013.01); F05D 2200/221 (2013.01); F05D 2200/24 (2013.01); F05D 2200/26 (2013.01); F05D 2220/36 (2013.01); F05D 2240/121 (2013.01); F05D 2250/182 (2013.01); F05D 2250/183 (2013.01); F05D 2250/184 (2013.01);
Abstract
A stator vane including a vane root, a vane tip, a leading edge extending between the root and the tip, the leading edge having a serrated profile having a succession of teeth and of troughs each having an amplitude and a thickness, wherein a series of at least three teeth and three consecutive troughs starting from the vane root and/or from the vane tip have a growing amplitude and/or thickness.