Method of creating an airfoil trench and a plurality of cooling holes within the trench
US8742279B2 · kind B2 · utility
5Cited by
28References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 1, 2010 |
| Grant date | Jun 3, 2014 |
| Priority date | — |
| Expiry date | Dec 26, 2031 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB23H9/14
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A tool for forming a trench and a plurality of cooling holes within the trench includes a body, the body including a ridge portion extending along a first side of the tool. The ridge portion is operable to mate with a workpiece to form a trench on the workpiece. A plurality of electrodes extend from the ridge portion and are oriented to form a plurality of cooling holes within the trench on the workpiece.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.