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. 03, 2012
Filed:
Jun. 24, 2008
Stephane Jean Joseph Baumhauer, Massy, FR;
Jerome Alain Dupeux, Vaux le Penil, FR;
Francois Maurice Garcin, Paris, FR;
Jean-pierre Francois Lombard, Pamfou, FR;
Stephane Jean Joseph Baumhauer, Massy, FR;
Jerome Alain Dupeux, Vaux le Penil, FR;
Francois Maurice Garcin, Paris, FR;
Jean-Pierre Francois Lombard, Pamfou, FR;
SNECMA, Paris, FR;
Abstract
A turbomachine stator forming a stator vane ring or upstream guide vane element including a plurality of vanes placed radially between a first inner ring and a second outer ring is disclosed. The two rings are concentric and the second ring has a cylindrical outer surface portion. The stator is characterized in that, on the outer surface portion, at least one vibration-damping laminate is attached. The laminate includes at least one layer of viscoelastic material in contact with the surface portion and one counterlayer of rigid material.