Apparatus and methods for cooling slot step elimination
US6062817A · kind A · utility
14Cited by
5References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 6, 1998 |
| Grant date | May 16, 2000 |
| Priority date | — |
| Expiry date | Nov 6, 2018 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF05D2230/21
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
An airfoil core die includes a tab for forming a continuous and smooth contour and extension of a first trailing edge slot recessed wall to a bottom of the airfoil. The contour is formed on each airfoil core at injection and is maintained through to finish casting of the airfoil.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.