Patent · US Active

Ceramic core tapered trip strips

US8353329B2 · kind B2 · utility

3Cited by
3References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 24, 2010
Grant dateJan 15, 2013
Priority date
Expiry dateSep 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.