Global Patent Index - EP 3059501 A1

EP 3059501 A1 20160824 - METHOD FOR OPERATING A COMBUSTION SYSTEM

Title (en)

METHOD FOR OPERATING A COMBUSTION SYSTEM

Title (de)

VERFAHREN ZUM BETRIEB EINES VERBRENNUNGSSYSTEMS

Title (fr)

PROCÉDÉ DE COMMANDE D'UN SYSTÈME DE COMBUSTION

Publication

EP 3059501 A1 20160824 (EN)

Application

EP 15155961 A 20150220

Priority

EP 15155961 A 20150220

Abstract (en)

The present invention relates to a method for operating a combustion system (10, 10a) of a combustion section (12) of a gas turbine engine (14) comprising at least one main burner arrangement (16) and at least one pilot burner arrangement (18), wherein the at least one main burner arrangement (16) and the at least one pilot burner arrangement (18) are operated with an air-fuel mixture (20) and wherein the at least one main burner arrangement (16) is operated with O 2 -lean air (22), wherein the method comprises the steps of: Increasing the percentage of oxygen of the air-fuel mixture (20) of the at least one pilot burner arrangement (18) by feeding of air (24) having a higher percentage of oxygen than the O 2 -lean air (22).

IPC 8 full level

F23R 3/34 (2006.01)

CPC (source: EP)

F23R 3/343 (2013.01); F23D 2900/00014 (2013.01); F23R 2900/03343 (2013.01)

Citation (applicant)

EP 1110034 A1 20010627 - SIEMENS AG [DE]

Citation (search report)

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

Designated extension state (EPC)

BA ME

DOCDB simple family (publication)

EP 3059501 A1 20160824; WO 2016131634 A1 20160825

DOCDB simple family (application)

EP 15155961 A 20150220; EP 2016051891 W 20160129