Patent · US Expired

Method of producing cooling holes in highly contoured airfoils

US7220934B2 · kind B2 · utility

8Cited by
25References
11Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 7, 2005
Grant dateMay 22, 2007
Priority date
Expiry dateJul 10, 2025

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02E60/10
  • WIPO fieldMachine tools
  • WIPO sectorMechanical engineering

Abstract

An EDM electrode curved in both the the Z and the Y planes permits the formation of film cooling holes in a highly contoured article.

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