Carbon seal assembly
US11692449B2 · kind B2 · utility
1Cited by
8References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 14, 2020 |
| Grant date | Jul 4, 2023 |
| Priority date | — |
| Expiry date | Apr 25, 2040 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T50/60
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A seal assembly includes a carbon seal that has a sealing surface. A seal seat has a sealing surface and is positioned for rotation relative to the carbon seal. A diamond-like carbon coating at least partially forms the sealing surface on the seal seat.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.