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:
Oct. 17, 2023
Filed:
Aug. 28, 2019
Applicant:
Safran Aircraft Engines, Paris, FR;
Inventors:
Florent Louis Andre Rognin, Moissy-Cramayel, FR;
Clement Bourolleau, Moissy-Cramayel, FR;
Serge Domingues, Moissy-Cramayel, FR;
Vincent Pascal Fiore, Moissy-Cramayel, FR;
Anwer Siraj, Moissy-Cramayel, FR;
Assignee:
SAFRAN AIRCRAFT ENGINES, Paris, FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04D 29/66 (2006.01); F04D 29/52 (2006.01);
U.S. Cl.
CPC ...
F04D 29/665 (2013.01); F04D 29/522 (2013.01); F04D 29/526 (2013.01); F05D 2220/323 (2013.01); F05D 2230/30 (2013.01);
Abstract
A fan casing for an aircraft turbomachine, the casing including a one-piece annular body, the one piece annular body including a radially internal annular surface, a first annular portion of which is made of an abradable material, wherein a second annular portion of the internal surface comprises blind holes conferring acoustic properties to the second portion.