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.

Date of Patent:
Sep. 12, 2023

Filed:

Feb. 01, 2021
Applicant:

Safran Aircraft Engines, Paris, FR;

Inventors:

Guillaume Pascal Jean-Charles Gondre, Moissy-Cramayel, FR;

Clément Pierre Postec, Moissy-Cramayel, FR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01D 5/28 (2006.01); D03D 25/00 (2006.01); F01D 5/14 (2006.01);
U.S. Cl.
CPC ...
F01D 5/282 (2013.01); D03D 25/005 (2013.01); F01D 5/147 (2013.01); F05D 2220/323 (2013.01); F05D 2240/30 (2013.01); F05D 2300/603 (2013.01); F05D 2300/6012 (2013.01);
Abstract

A fibrous texture intended to form the fibrous reinforcement of a turbomachine blade made of composite material including a fibrous reinforcement densified by a matrix, wherein the fibrous texture includes an area of reduced stiffness including warp yarns or strands made of second fibers having a second elongation at break greater than the first elongation at break, the area of reduced stiffness extending in the longitudinal direction from the stilt area and up to a height less than or equal to 30% of the height of the blade, extending in the transverse direction between a first area and a second area, the first area extending over a first length from a first edge of the texture intended to form a leading edge, and the second area extending over a second length from a second edge of the texture intended to form a trailing edge.


Find Patent Forward Citations

Loading…