Patent · US Expired

Turbine blade dimple

US6976826B2 · kind B2 · utility

30Cited by
7References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 29, 2003
Grant dateDec 20, 2005
Priority date
Expiry dateMay 29, 2023

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S416/50
  • WIPO fieldEngines, pumps, turbines
  • WIPO sectorMechanical engineering

Abstract

A blade for mounting in an annular array about a rotary hub, the blade having: a blade root; an airfoil profile with a concave pressure side surface; a chord line extending between a leading edge and a trailing edge; and a blade tip, where the blade has a recess in the pressure side surface with an outer periphery disposed radially inwardly from the blade tip, and inwardly along the chord line from the leading edge and from the trailing edge.

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