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. 02, 2019
Filed:
May. 13, 2016
Safran Aircraft Engines, Paris, FR;
Safran, Paris, FR;
Florian Benjamin Kévin Lacroix, Moissy-Cramayel, FR;
Cyrille François Antoine Mathias, Livry Gargan, FR;
Idaline Françoise Chantal Texier, Paris, FR;
Maxime Marie Désirée Blaise, Paris, FR;
SAFRAN AIRCRAFT ENGINES, Paris, FR;
Abstract
The invention relates to an intermediate casing hub of an aircraft turbojet engine, which includes: an outer shroud () intended for defining a secondary flow space of a stream of secondary gas on the inside and an inter-flow area on the outside, the outer shroud () being provided with a secondary opening (), and a bleed valve comprising an outlet pipe () made of composite material, located in the inter-flow area, wherein the outlet pipe () is attached to the outer shroud () at the secondary opening (), at least one gasket () for sealing against air and fire being arranged between the outlet pipe () and the outer shroud (), and the outlet pipe () made of composite material includes a draped composite wall (), made up of a plurality of folds impregnated with resin.