Patent · US Expired

Method of operating a combustion system for increased turndown capability

US7137256B1 · kind B1 · utility

110Cited by
20References
11Claims
0Family size

Inventors

Key dates

Filing dateFeb 28, 2005
Grant dateNov 21, 2006
Priority date
Expiry dateFeb 28, 2025

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF23R3/343
  • WIPO fieldEngines, pumps, turbines
  • WIPO sectorMechanical engineering

Abstract

A method of operating a gas turbine engine combustion system at lower load conditions while maintaining required emissions levels is disclosed. The present invention includes multiple embodiments of axial, radial, and circumferential fuel staging within a can-type combustor having alternate ignition techniques of spark ignition or torch ignition.

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