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:
Mar. 02, 2021
Filed:
Sep. 19, 2018
Alstom Transport Technologies, Saint-Ouen, FR;
Hutchinson, Paris, FR;
Jean-Yves Guerder, Cavaillon, FR;
Olivier Tanneau, Saint Ouen, FR;
Benjamin Fays, Parmain, FR;
Pierre-Emmanuel Gautheret, Le Mesnil-Esnard, FR;
Yves Longueville, Torcy, FR;
ALSTOM TRANSPORT TECHNOLOGIES, Saint-Ouen, FR;
HUTCHINSON, Paris, FR;
Abstract
A noise-absorbing device for a railway vehicle wheel includes: at least one strip extending radially from a connecting end capable of being fastened to the periphery of the wheel, to a free end; and at least one damping mass fastened on a face of the free end of the strip, away from the connecting end. The strip includes at least two metal or composite layers and at least one layer of viscoelastic material gripped between the two or composite metal layers.