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:
Jan. 17, 2017
Filed:
Jul. 17, 2013
Applicant:
Snecma, Paris, FR;
Inventors:
Emilie Pouzet, Fontainebleau, FR;
Didier Pasquiet, Boissise le roi, FR;
Frederic Lespinasse, Longjumeau, FR;
Assignee:
SNECMA, Paris, FR;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01D 11/02 (2006.01); F01D 5/08 (2006.01); F02C 7/18 (2006.01);
U.S. Cl.
CPC ...
F01D 11/02 (2013.01); F01D 5/081 (2013.01); F02C 7/18 (2013.01); F05D 2260/941 (2013.01);
Abstract
A labyrinth disk for a turbomachine is provided. The disk includes a hub, a web and a frustoconical peripheral portion, having on one face labyrinth seal teeth and on the other face radial ribs. The flanks of the ribs delimit, between one another, channels which open out at the periphery of the disk. The width of the channels decreases from the base of the frustoconical portion to the opening at the periphery. The ribs are split close to the periphery, and a recess is created between the two flanks of one and the same rib.