Patent · US Expired

Gas turbine engine

US4291531A · kind A · utility

28Cited by
7References
9Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMar 27, 1979
Grant dateSep 29, 1981
Priority date
Expiry dateMar 27, 1999

Classification

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

Abstract

A gas turbine engine comprises a compressor, a combustion system and a turbine, the compressor and the turbine being interconnected by a shaft. The combustion system has an initial diffusing section and duct means are provided to convey cooling air from at least part way down the diffusing section, to the turbine. At least one aperture is provided in the duct means and adapted to allow part of the cooling air to flow forwardly of the shaft on its outer surface to cool it.

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