Noise-absorbing device for railway vehicle wheel and associated railway vehicle wheel
US10933688B2 · kind B2 · utility
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8References
11Claims
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Key dates
| Filing date | Sep 19, 2018 |
| Grant date | Mar 2, 2021 |
| Priority date | — |
| Expiry date | Jun 6, 2039 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60Y2200/30
- WIPO fieldTransport
- WIPO sectorMechanical engineering
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.