High pressure compressor seal-ring with improved wear resistance
US11149854B2 · kind B2 · utility
1Cited by
5References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 7, 2019 |
| Grant date | Oct 19, 2021 |
| Priority date | — |
| Expiry date | May 20, 2039 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF05D2240/59
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A compressor seal-ring assembly includes a seal formed of a nickel, cobalt or iron-based superalloy; a counterface positioned for sealing interaction with the seal; and a lubricant coating on the seal, the lubricant coating being formed of a CoCrAlY-containing material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.