Compressor diffuser vane damper
US8834097B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 9, 2010 |
| Grant date | Sep 16, 2014 |
| Priority date | — |
| Expiry date | Nov 26, 2032 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF05D2260/96
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
An auxiliary power unit is disclosed that includes a compressor section having a compressor inlet and a compressor exit. A turbine section is arranged downstream from the compressor exit. A diffuser is disposed in fluid communication with and between the compressor section and the turbine section. The diffuser has multiple generally radially extending circumferentially arranged vanes. A shroud housing is secured against the vanes. A damper is arranged between at least one vane and the shroud housing and configured to damp vibration of the at least one vane relative to the shroud housing during operation of the auxiliary power unit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.