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:
Jul. 17, 2018
Filed:
Jan. 22, 2014
Snecma, Paris, FR;
Sebastien Congratel, Moissy-Cramayel, FR;
Marion Chambre, Moissy-Cramayel, FR;
Bruno Richard, Moissy-Cramayel, FR;
Romain Roullet, Moissy-Cramayel, FR;
SNECMA, Paris, FR;
Abstract
The invention relates to a fixed diffuser vanes assembly () for guiding flow through a turbomachine, comprising an internal annular platform () and a plurality of fixed vanes () which are mounted on this platform, the internal platform comprising a support plate () forming the base of said vanes, a radial annular partition () extending from the support plate toward an axis of the vanes assembly, and an internal ring () attached to the radial annular partition and having an internal surface on which an abradable material () is arranged, the vanes assembly being characterized in that the internal ring comprises at least one cut-out () delimiting a tongue (), the tongue being bent to press against the radial annular partition (). The invention also relates to a method of manufacturing such a vanes assembly and to a turbomachine incorporating such vanes.