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:
Apr. 23, 2019
Filed:
Apr. 26, 2016
Safran Aircraft Engines, Paris, FR;
Caroline Jacqueline Denise Berdou, Moissy-Cramayel, FR;
Alexandre Bernard Marie Boisson, Moissy-Cramayel, FR;
Matthieu Arnaud Gimat, Moissy-Cramayel, FR;
Audrey Laguerre, Moissy-Cramayel, FR;
SNECMA, Paris, FR;
Abstract
A fiber preform for a turbine engine blade and a single-piece blade suitable for being made by means of such a preform, a bladed wheel, and a turbine engine including such a blade; the fiber preform obtained by three-dimensional weaving comprises 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; the first transverse segment () includes at least one non-interlinked portion comprising a top strip () and a bottom strip (), and at least one insert () is arranged between the top and bottom strips () of the non-interlinked portion of the first transverse segment ().