Patent · US Expired

Refractory metal core

US6913064B2 · kind B2 · utility

55Cited by
7References
17Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 15, 2003
Grant dateJul 5, 2005
Priority date
Expiry dateOct 15, 2023

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB22C9/04
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

A casting system for forming a gas turbine engine component is provided. The casting system, in a first embodiment, comprises a shaped refractory metal sheet having a plurality of features for forming a plurality of film cooling passages, which features are formed from refractory metal material bent out of the sheet. The casting system for forming a gas turbine engine component in a second embodiment comprises a metal wall having an airfoil shape and a refractory metal core adjacent the metal wall and having a shape corresponding to the shape of the metal wall.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.