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:
Nov. 18, 2025
Filed:
Apr. 04, 2022
Safran Aircraft Engines, Paris, FR;
Maxime Marie Désiré Blaise, Moissy-Cramayel, FR;
Celia Iglesias Cano, Moissy-Cramayel, FR;
Lucas Antoine Christophe Lauwick, Moissy-Cramayel, FR;
SAFRAN AIRCRAFT ENGINES, Paris, FR;
Abstract
A method for manufacturing hollow composite material turbomachine part, includes producing a fibrous blank in one piece by three-dimensional weaving of yarns, the blank including at least one de-bonded zone forming an internal cavity, inserting a shaping part into the internal cavity of the fibrous blank in order to obtain a preform, densification of the preform by a matrix in order to obtain a structure having a fibrous reinforcement consisting of the preform densified by the matrix, wherein the shaping part is flexible and wherein the shaping part is mechanically withdrawn from the structure after the densification.