Patent · US Expired

Gas turbine bucket cooling circuit and related process

US6390774B1 · kind B1 · utility

34Cited by
9References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 2, 2000
Grant dateMay 21, 2002
Priority date
Expiry dateFeb 2, 2020

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF05D2260/2322
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

A turbine bucket includes an airfoil portion having leading and trailing edges; at least one radially extending cooling passage within the airfoil portion, the airfoil portion joined to a platform at a radially inner end of the airfoil portion; a dovetail mounting portion enclosing a cooling medium supply passage; and, a crossover passage in fluid communication with the cooling medium supply passage and with at least one radially extending cooling passage, the crossover passage having a portion extending along and substantially parallel to an underside surface of the platform.

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