Gas turbine engine with carbon/carbon composite piston seal
US12352173B2 · kind B2 · utility
0Cited by
12References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 25, 2022 |
| Grant date | Jul 8, 2025 |
| Priority date | — |
| Expiry date | Nov 25, 2042 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF05D2300/614
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A gas turbine engine includes a rotor that that has a seal surface, a shaft that has an annular seal channel that opens to the seal surface, and a seal disposed in the annular seal channel for sealing against the seal surface. The seal is made of a composite having carbon fibers disposed in a carbon matrix.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.