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. 14, 2015
Filed:
Oct. 16, 2009
Mathieu Dakowski, Noiseau, FR;
Fabrice Garin, Boissise la Bertrand, FR;
Delphine Roussin-leroux, Samois sur Seine, FR;
Wilfried Schweblen, Chateaubleau, FR;
Mathieu Dakowski, Noiseau, FR;
Fabrice Garin, Boissise la Bertrand, FR;
Delphine Roussin-Leroux, Samois sur Seine, FR;
Wilfried Schweblen, Chateaubleau, FR;
SNECMA, Paris, FR;
Abstract
A turbomachine high-pressure turbine including a rotor disc with upstream and downstream annular flanges separating a radially internal annular cavity in which the hub of the disc extends from two radially external annular cavities, of which one is upstream of the disc and receives a ventilation air flow and of which the other is downstream of the disc, the upstream flange of the disc including a mechanism connecting to the upstream eternal cavity and the internal cavity for ventilating the hub of the disc.