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:
Aug. 23, 2022
Filed:
Dec. 14, 2018
Safran Aircraft Engines, Paris, FR;
Philippe Gerard Edmond Joly, Moissy-Cramayel, FR;
Francois Jean Comin, Moissy-Cramayel, FR;
Laurent Jablonski, Moissy-Cramayel, FR;
Romain Nicolas Lagarde, Moissy-Cramayel, FR;
Jean-Marc Claude Perrollaz, Moissy-Cramayel, FR;
SAFRAN AIRCRAFT ENGINES, Paris, FR;
Abstract
An assembly for a turbomachine including a first rotor module () with a first blade (), and a second rotor module (), connected to the first rotor module (). The second rotor module includes a second blade with a smaller length than the first blade (). A damping device () is attached to the second rotor module () and includes a radial external surface () supported with friction against the first module (), so as to couple the modules () for the purpose of damping their respective vibrational movements during operation.