Patent · US Active

Steam turbine

US8167548B2 · kind B2 · utility

47Cited by
6References
19Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 6, 2008
Grant dateMay 1, 2012
Priority date
Expiry dateNov 28, 2030

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02T50/60
  • WIPO fieldEngines, pumps, turbines
  • WIPO sectorMechanical engineering

Abstract

A steam turbine is provided having a rotor which rotates around a machine axis, and a stator which concentrically encompasses the rotor with clearance, between which an annular passage is formed which is exposed to throughflow by steam in the axial direction and in which a multiplicity of rotor blades, which are fastened on the rotor, and fixed stator blades are arranged in a plurality of stages, wherein the stator blades of the last stage have a sweep with a sweep angle which changes in sign over the relative blade height.

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