Ceramic core tapered trip strips
US8353329B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 24, 2010 |
| Grant date | Jan 15, 2013 |
| Priority date | — |
| Expiry date | Sep 9, 2031 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF05D2260/22141
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A core for creating an airfoil has a ceramic material that forms a body. The body has an outer dimension, a slot extending through the outer dimension and into the body for receiving an insert, the slot disposed at an angle to the outer dimension, and a trip strip having a first portion disposed in the outer dimension. The first portion is in register with the slot wherein a constant dimension such as minimum thickness is maintained between the trip strip and the slot along a length of the slot and wherein said first portion tapers towards said outer dimension.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.