Gas turbine engine including seal assembly with abradable coating including magnetic particles embedded in polymer
US11293351B2 · kind B2 · utility
1Cited by
19References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 16, 2020 |
| Grant date | Apr 5, 2022 |
| Priority date | — |
| Expiry date | Jul 16, 2040 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T50/60
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A gas turbine engine according to an exemplary aspect of the present disclosure includes, among other things, a compressor section, a combustor section, a turbine section, and at least one rotatable shaft. The engine further includes a seal assembly including a seal plate mounted for rotation with the rotatable shaft and a face seal in contact with the seal plate at a contact area. The seal assembly further includes an abradable coating adjacent the contact area. The abradable coating includes magnetic particles embedded in a polymer material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.