Brush seal
US5335920A · kind A · utility
49Cited by
29References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 20, 1992 |
| Grant date | Aug 9, 1994 |
| Priority date | — |
| Expiry date | Aug 20, 2012 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16J15/3288
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A brush seal is provided having a plurality of bristle layers sandwiched between a pair of circumferential plates with the upstream layers of bristles having a higher first fundamental vibration frequency than downstream seal layers. Such a seal has bristles in the upstream layer or layers that have a greater cross sectional area, a lesser lay angle, are shorter, or some combination of the foregoing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.