Patent · US Active

Gas turbine engine with insulated cooling circuit

US8182205B2 · kind B2 · utility

6Cited by
16References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 6, 2007
Grant dateMay 22, 2012
Priority date
Expiry dateOct 10, 2030

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF05D2260/231
  • WIPO fieldEngines, pumps, turbines
  • WIPO sectorMechanical engineering

Abstract

A gas turbine engine is provided comprising a compressor with an insulated cooling circuit. The compressor comprises a compressor casing having a compression chamber and at least one stator and at least one rotor disposed in the compression chamber, the at least one stator comprising a stator body having a plurality of tubes for transporting cooling air through passages in the stator body into the compression chamber. The plurality of tubes are surrounded by an air gap for insulating the tubes from the stator body.

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