Patent · US Expired

Shroud block with enhanced cooling

US7284954B2 · kind B2 · utility

18Cited by
7References
14Claims
0Family size

Inventors

Key dates

Filing dateFeb 17, 2005
Grant dateOct 23, 2007
Priority date
Expiry dateJul 21, 2025

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF05D2260/201
  • WIPO fieldEngines, pumps, turbines
  • WIPO sectorMechanical engineering

Abstract

A shroud for surrounding a portion of a turbine flow path having improved cooling and durability is disclosed. The shroud includes a plurality of generally axial cooling holes spaced a substantially equal distance apart and a plurality of generally circumferential cooling holes oriented generally perpendicular to the generally axial cooling holes. The generally circumferentially cooling holes are spaced a non-uniform distance apart so as to provide cooling to selected portions of shroud sidewalls to lower shroud operating temperatures and improve shroud durability.

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