Methods and apparatus for mechanical retainment of non-metallic fillers in pockets
US7588421B2 · kind B2 · utility
16Cited by
15References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 31, 2006 |
| Grant date | Sep 15, 2009 |
| Priority date | — |
| Expiry date | Feb 10, 2027 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T50/60
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A method for making a turbine blade includes providing a bucket in the turbine blade with a plurality of window pockets passing all the way through a wall of the bucket, positioning the window pockets in regions minimizing or at least reducing stress concentrations on the window pockets, and casting a composite comprising a resin matrix and layers of a fabric material in the bucket.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.