Damper seals for rotating drums in turbomachines
US11492910B2 · kind B2 · utility
0Cited by
9References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 27, 2019 |
| Grant date | Nov 8, 2022 |
| Priority date | — |
| Expiry date | Jan 13, 2041 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T50/60
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A damper seal for a turbomachine includes an annular body having an inner circumferential surface and an outer circumferential surface separated by a thickness. As such, the inner circumferential surface may define a plurality of cavities arranged into a plurality of circumferential rows and at least one partition positioned between at least two of the plurality of cavities. In addition, the inner circumferential surface may further define at least one plenum arranged between two of the plurality of circumferential rows.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.