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. 05, 2024
Filed:
Mar. 24, 2021
Safran Aircraft Engines, Paris, FR;
Guillaume Pascal Jean-Charles Gondre, Moissy-Cramayel, FR;
Thomas Alain De Gaillard, Moissy-Cramayel, FR;
Pierre Jean Faivre D'arcier, Moissy-Cramayel, FR;
SAFRAN AIRCRAFT ENGINES, Paris, FR;
Abstract
The present invention relates to a turbomachine rotary-fan blade (), comprising a body () made of a composite material, a metal reinforcement part () comprising a metal upstream nose (), characterised in that the metal upstream nose () comprises, at least on the metal part () of the blade tip, a recess () of longitudinally tapering thickness (AX), delimiting on the metal part () over a height (H) at least one metal projection () with prescribed wear, which has a longitudinally tapering thickness and which is configured to detach at least partially in the presence of tangential friction in the second thickness direction (EP) against the metal part (), the recess () and the metal projection () with prescribed wear extending the first metal fin () and/or the second metal fin () and/or the upstream edge () of the body () made of composite material.