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:
May. 15, 2012
Filed:
Mar. 19, 2008
Andre Castel, Lisses, FR;
Bertrand Jean Joseph Marie Heurtel, Vert St Denis, FR;
Sebastien Alain Imbourg, Yerres, FR;
Florence Irene Noelle Leutard, Samoreau, FR;
Guy Vieillefond, Morsang sur Orge, FR;
Andre Castel, Lisses, FR;
Bertrand Jean Joseph Marie Heurtel, Vert St Denis, FR;
Sebastien Alain Imbourg, Yerres, FR;
Florence Irene Noelle Leutard, Samoreau, FR;
Guy Vieillefond, Morsang sur Orge, FR;
SNECMA, Paris, FR;
Abstract
External shroud for a turbomachine turbine wheel, this shroud being formed of ring sectors () positioned circumferentially end to end, and each comprising a circumferentially directed plate () bearing a block () of abradable material, the plate and the block of each ring sector being offset one with respect to the other in the circumferential direction so that a circumferential end part of the plate of each ring sector overlaps a corresponding end part of the block of an adjacent ring sector.