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. 18, 2022
Filed:
Jan. 09, 2020
Applicant:
Safran Aircraft Engines, Paris, FR;
Inventors:
Antoine Robert Alain Brunet, Moissy-Cramayel, FR;
Alexandre Franck Arnaud Chartoire, Moissy-Cramayel, FR;
Eric Pierre Georges Lemarechal, Moissy-Cramayel, FR;
David Joseph Serlan, Moissy-Cramayel, FR;
Assignee:
SAFRAN AIRCRAFT ENGINES, Paris, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01D 11/12 (2006.01);
U.S. Cl.
CPC ...
F01D 11/122 (2013.01); F05D 2220/36 (2013.01); F05D 2230/31 (2013.01); F05D 2240/55 (2013.01); F05D 2260/80 (2013.01);
Abstract
An abradable element () for a turbomachine comprises a body () formed from an abradable material and extending between a wear face () and a bottom (). The body comprises blind cavities () opening up into the wear face and filled in with a material with a colour different from the colour of the material forming the body of the element () to form wear indicators of the wear face () of the element ().