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:
Feb. 11, 2020
Filed:
Oct. 28, 2015
Safran Aircraft Engines, Paris, FR;
Sébastien Marin, Moissy-Cramayel, FR;
Thomas Alain De Gaillard, Moissy-Cramayel, FR;
Audrey Laguerre, Moissy-Cramayel, FR;
SAFRAN AIRCRAFT ENGINES, Paris, FR;
Abstract
A fiber preform for a turbine engine blade and also a single-piece blade suitable for being formed using such a preform, a rotor wheel, and a turbine engine including such a blade, the fiber preform being obtained by three-dimensional weaving and comprising a first longitudinal segment suitable for forming a blade root (), a second longitudinal segment extending the first longitudinal segment upwards and suitable for forming an airfoil portion (), a first transverse segment extending transversely from the junction between the first and second longitudinal segments and suitable for forming a first platform (), and a first stiffener strip extending downwards from the distal edge of the first transverse portion and suitable for forming a first platform stiffener ().