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. 07, 2009
Filed:
May. 18, 2005
Stéphan Daux, Montgeron, FR;
Chantal Giot, Combs la Ville, FR;
Hugues Joubert, Paris, FR;
Benjamin Sauthier, Montrouge, FR;
Stéphan Daux, Montgeron, FR;
Chantal Giot, Combs la Ville, FR;
Hugues Joubert, Paris, FR;
Benjamin Sauthier, Montrouge, FR;
Snecma, Paris, FR;
Abstract
A blade for a turbomachine gas turbine, the blade having a cooling circuit comprising at least one cooling cavity with a high aspect ratio extending radially between a root and a tip of the blade, and at least one air admission opening at a radially inner end of the cavity to feed it with cooling air, at least one of the walls of the cooling cavity being provided with a plurality of indentations so as to disturb the flow of cooling air in said cavity and increase heat exchange.