Periodic stator airfoils
US6439838B1 · kind B1 · utility
32Cited by
9References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 18, 1999 |
| Grant date | Aug 27, 2002 |
| Priority date | — |
| Expiry date | Dec 18, 2019 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T50/60
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A stator includes a row of airfoils extending inwardly from a casing. The airfoils are spaced apart circumferentially from each other at a spacing varying in turn around the perimeter of the casing for reducing vibratory excitation of a downstream rotor stage.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.