Preswirler configured for improved sealing
US9228436B2 · kind B2 · utility
3Cited by
8References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 3, 2012 |
| Grant date | Jan 5, 2016 |
| Priority date | — |
| Expiry date | Sep 23, 2034 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49945
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A preswirler of a gas turbine engine includes an outer ring. The outer ring includes an outer flange with a plurality of first holes, and an outer cylindrical portion extending from the outer flange. The preswirler also includes an inner ring. The inner ring includes an inner flange spaced apart from the outer flange. The inner ring also includes an inner cylindrical portion located within the outer cylindrical portion and a back portion extending from the inner flange to the inner cylindrical portion. The inner ring further includes a plurality of second holes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.