Self-lubricating brush seal assembly and method of reducing leakage
US9074487B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 17, 2011 |
| Grant date | Jul 7, 2015 |
| Priority date | — |
| Expiry date | Jul 26, 2033 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49826
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A self-lubricating brush seal assembly, for a power generation system and method of reducing air leakage in a power generation system including a plurality of self-lubricating members is provided. The plurality of self-lubricating members include a plurality of self-lubricating bristles, a plurality of cores sheathed in a self-lubricating braid, a plurality of cores having an outer diameter coated with self-lubricating material and a solid lubricating pack. The lubricating material is selected from graphite, hexagonal-boron nitrite (hBN), molybdenum disulfide (MoS2), tungsten disulfide (WS2), titanium nitride (TiN), titanium aluminum nitride (TiAlN), titanium carbonitride (TiCN), and combinations thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.