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:
Mar. 04, 2014
Filed:
Mar. 13, 2009
Thierry Fachat, Moissy Cramayel, FR;
Patrick Joseph Marie Girard, Saint Fargeau Ponthierry, FR;
Jean-luc Soupizon, Vaux le Penil, FR;
Thierry Fachat, Moissy Cramayel, FR;
Patrick Joseph Marie Girard, Saint Fargeau Ponthierry, FR;
Jean-Luc Soupizon, Vaux le Penil, FR;
SNECMA, Paris, FR;
Abstract
A turbine nozzle for a turbomachine, including inner and outer annular platforms connected together by vanes, the inner platform carrying annular elements of abradable material co-operating with annular wipers of a rotor of the turbomachine to form a labyrinth seal, these elements of abradable material being carried by annular sheet-metal sectors of substantially L-, S-, or C-shaped section that are fastened by brazing or welding at their outer peripheries to the inner platform and at their inner peripheries to the elements of abradable material.