Patent · US Active

Castings, casting cores, and methods

US8137068B2 · kind B2 · utility

21Cited by
9References
23Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 21, 2008
Grant dateMar 20, 2012
Priority date
Expiry dateSep 16, 2030

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02T50/60
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

The pattern has a pattern material and a casting core combination. The pattern material has an airfoil. The casting core combination is at least partially embedded in the pattern material. The casting core combination comprises a plurality of metallic casting cores. Each metallic casting core has opposite first and second faces and a respective portion along the trailing edge of the airfoil. At least two of the metallic cores have sections offset between the pressure side and the suction side.

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