Method of manufacturing heat exchanger cooling passages in aero propulsion structure
US8806747B2 · kind B2 · utility
3Cited by
4References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 30, 2009 |
| Grant date | Aug 19, 2014 |
| Priority date | — |
| Expiry date | Aug 2, 2032 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49996
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
Methods and apparatus of an improved cooling structure having cooling passages are provided. A method includes forming pilot holes with an electrical discharge machine (EDM) drill near a heated flow surface. The pilot holes are then shaped with a wire EDM into cooling passages having a desired shape.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.