Self centering, floating brush seal assembly
US7461847B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 12, 2005 |
| Grant date | Dec 9, 2008 |
| Priority date | — |
| Expiry date | Dec 12, 2025 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF05D2240/56
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A self centering, floating brush seal assembly for a machine housing including a seal channel disposed circumferentially about a rotating shaft. The seal channel is typically configured to accommodate a ring seal. The ring seal is removed and a radially floating brush seal is installed in the seal channel but the brush seal is not fixed to the machine housing. The typical brush seal includes a front plate, a back plate, and a plurality of bristles sandwiched between the front plate and the back plate and having free radially extending ends disposed circumferentially about and contacting the rotating shaft. A radially extending rub feature is associated with at least one of the front plate and the back plate. The rub feature is disposed circumferentially about and contacts the rotating shaft.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.