Patent · US Expired

Reduced center burner in multi-burner combustor and method for operating the combustor

US7185494B2 · kind B2 · utility

28Cited by
24References
18Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 12, 2004
Grant dateMar 6, 2007
Priority date
Expiry dateMay 28, 2025

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02E20/34
  • WIPO fieldEngines, pumps, turbines
  • WIPO sectorMechanical engineering

Abstract

A single stage combustor for a gas turbine having an annular array of outer fuel nozzles arranged about a center axis of the combustor; a center fuel nozzle aligned with the center axis, wherein the center fuel nozzle is substantially smaller than each of the outer fuel nozzles, wherein the combustor includes a pre-mix operating mode in which the center nozzle receives a fuel rich air-fuel mixture.

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