Blade air seal with integral barrier
US8777562B2 · kind B2 · utility
10Cited by
13References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 27, 2011 |
| Grant date | Jul 15, 2014 |
| Priority date | — |
| Expiry date | Jan 25, 2033 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF05D2300/609
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
An air seal for use with rotating parts includes a thermal barrier coating layer adhered to a substrate. An abradable layer is adhered to the thermal barrier coating layer. The abradable layer comprises a matrix of agglomerated hexagonal boron nitride and a metallic alloy. Another hexagonal boron nitride is interspersed with the matrix.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.