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. 23, 2006
Filed:
Nov. 07, 2002
Jean-baptiste Arilla, Issy les Moulineaux, FR;
Alain Galland, Melun, FR;
Michel Gerard Paul Hacault, Massy, FR;
Jean-philippe Maffre, Dammarie les Lys, FR;
Jean-Baptiste Arilla, Issy les Moulineaux, FR;
Alain Galland, Melun, FR;
Michel Gerard Paul Hacault, Massy, FR;
Jean-Philippe Maffre, Dammarie les Lys, FR;
Snecma Moteurs, Paris, FR;
Abstract
A gas turbine stator including at least a first injector providing a passage for a main cooling air stream into a pressurized chamber. An evacuation mechanism discharges air coming from an internal labyrinth gland of a first cavity towards a lower-pressure second cavity. A second injector evacuates the air contained in the second cavity towards a main duct. The stator further includes a third injector designed to generate an overpressure close to the internal labyrinth gland in the pressurized chamber.