Patent · US Expired

Thin walled cooled hollow tip shroud

US6471480B1 · kind B1 · utility

21Cited by
5References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 16, 2001
Grant dateOct 29, 2002
Priority date
Expiry dateApr 16, 2021

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF05D2260/203
  • WIPO fieldEngines, pumps, turbines
  • WIPO sectorMechanical engineering

Abstract

The present invention relates to a lightweight shrouded turbine blade. The turbine blade comprises an airfoil section and a hollow blade tip shroud joined to the airfoil section. The hollow tip shroud is preferably a cast, compartmentalized structure and has a plurality of ribs acting as load bearing structures and defining a plurality of shroud core sections. Each of the shroud core sections communicates with a supply of cooling fluid and has a plurality of apertures for supplying cooling fluid to exterior portions of the shroud.

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