Patent · US Expired

Inboard radial dump venturi for combustion chamber of a gas turbine

US7389643B2 · kind B2 · utility

29Cited by
18References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 31, 2005
Grant dateJun 24, 2008
Priority date
Expiry dateMay 26, 2026

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF23R2900/03041
  • WIPO fieldEngines, pumps, turbines
  • WIPO sectorMechanical engineering

Abstract

A double wall venturi chamber having a converging section, a diverging section and a cylindrical section wherein said chamber defines a venturi zone in which compressed air, fuel and combustion products flow downstream through converging section, diverging section and cylindrical section, and has a cooling gas passage between the walls of the venturi chamber, a least one cooling gas inlet in an outlet wall of the venturi chamber, and at least one cooling gas outlet in an inner wall of the venturi chamber, wherein said cooling gas outlet is in at least one of the diverging and the cylindrical section, and the outlet is downstream of the at least one cooling gas inlet and upstream of an axial end of the chamber.

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