Blade outer air seal with improved efficiency
US8562290B2 · kind B2 · utility
4Cited by
16References
21Claims
0Family size
Assignee
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Key dates
| Filing date | Apr 1, 2010 |
| Grant date | Oct 22, 2013 |
| Priority date | — |
| Expiry date | Aug 22, 2032 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF05C2203/0839
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
An air seal for use with rotating parts in a gas turbine engine has a matrix of agglomerated fine hBN (hexagonal boron nitride) powder, the particles of which having a first dimension, and of a fine metallic alloy powder, the particles of which having a second dimension. An hBN (hexagonal boron nitride) powder, the particles of which have a third dimension that is greater than the first dimension, is mixed with the matrix.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.