Turbomachine casing with treatment, a compressor, and a turbomachine including such a casing
US8100629B2 · kind B2 · utility
18Cited by
9References
16Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 21, 2008 |
| Grant date | Jan 24, 2012 |
| Priority date | — |
| Expiry date | Sep 19, 2030 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF05D2250/61
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A casing supporting a series of stationary vanes between which there are disposed series of moving blades movable in rotation about a longitudinal axis in which the radially outer ends of the moving blades being close to the inside face of the casing is disclosed. The casing includes, at least over an annulus situated facing one of the series of moving blades, at least one casing treatment zone facing towards the blades and including a surface relief disturbance in the form of a groove of closed outline. The invention is applicable to controlling rotating separation in a turbomachine compressor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.