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. 24, 2012
Filed:
Mar. 19, 2008
Jean-michel Bernard Guimbard, Cely en Biere, FR;
Philippe Jean-pierre Pabion, Vaux le Penil, FR;
Sebastien Jean Laurent Prestel, Arpajon, FR;
Jean-luc Soupizon, Vaux le Penil, FR;
Jean-Michel Bernard Guimbard, Cely en Biere, FR;
Philippe Jean-Pierre Pabion, Vaux le Penil, FR;
Sebastien Jean Laurent Prestel, Arpajon, FR;
Jean-Luc Soupizon, Vaux le Penil, FR;
SNECMA, Paris, FR;
Abstract
An inter-turbine casing for a turbofan is disclosed. The casing includes an outer ring, an inner ring, and an intermediate ring between the inner ring and the outer ring. The inner and intermediate rings have respective openings for the passage of cooling air. The casing includes at least one sealing device, arranged between the outer ring and the intermediate ring, with a base, provided with at least one orifice for the passage of cooling air, and a peripheral skirt which is able to be compressed and expanded elastically. The base bears against the outer ring and the peripheral skirt bears against the intermediate ring.