Bearing for variable pitch stator vane
US8038387B2 · kind B2 · utility
7Cited by
9References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 20, 2007 |
| Grant date | Oct 18, 2011 |
| Priority date | — |
| Expiry date | Aug 17, 2030 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF05D2300/501
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A bearing for a turbomachine variable pitch stator vane pivot mounted in a bore of the turbomachine casing is disclosed. The bearing includes an inner bushing secured to the pivot and an outer bushing secured to the bore. An elastomeric material is inserted between the inner bushing and the outer bushing to allow the vane to pivot about its axis and absorb at least some of the flexing of the pivot at right angles to the axis. The design makes it possible to reduce bearing bushing wear.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.