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. 07, 2009
Filed:
Mar. 02, 2005
Applicant:
Marc Marchi, Le Mee, FR;
Inventor:
Marc Marchi, Le Mee, FR;
Assignee:
Snecma, Paris, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01D 5/14 (2006.01);
U.S. Cl.
CPC ...
Abstract
A turbomachine including a wheel with hollow blades that are cooled internally by a forced flow of cooling air. According to an important characteristic of the invention, a hook-annulus () is interposed between the outer edge of the labyrinth-disk () and the rotor disk (), the hook-annulus including a retaining shoulder () constituting an outer annular hook in which the outer edge of the labyrinth-disk is engaged, and a bearing shoulder () constituting an inner hook engaged in a groove around the circumference of the rotor disk.