Global Patent Index - EP 3250857 B1

EP 3250857 B1 20200101 - BURNER ARRANGEMENT

Title (en)

BURNER ARRANGEMENT

Title (de)

BRENNERANORDNUNG

Title (fr)

AGENCEMENT DE BRÛLEUR

Publication

EP 3250857 B1 20200101 (DE)

Application

EP 16713412 A 20160330

Priority

  • DE 102015206227 A 20150408
  • EP 2016056892 W 20160330

Abstract (en)

[origin: WO2016162248A1] The invention relates to a burner arrangement (1) for a combustion chamber, in particular a gas turbine combustion chamber, for burning fluid fuels, having a main burner (2) and a pilot burner (3) which is arranged centrally therein and serves to ignite and/or stabilize the combustion of the main burner (2), the main burner (2) comprising a first annular air duct (4) for supplying combustion air and first fuel nozzles (5) for injecting a fuel into the first annular air duct (4), the pilot burner (3) comprising a second annular air duct (6) for supplying combustion air and a burner head (7) with second fuel nozzles (8) for injecting a fuel into the second annular air duct (6), wherein the second fuel nozzles (8) are provided as separately controllable first and second fuel stages (9, 10), wherein for the purpose of supplying fuel to the first and second fuel stages (9, 10) there is provided a burner support pipe (11) that connects to the burner head (7) and has a pipe wall (12), and that the pipe wall (12) has, parallel to the longitudinal axis (13) of the burner support pipe (11), at least one first and one second deep-hole bore (14, 15) for supplying fuel to the first and second fuel stages (9, 10).

IPC 8 full level

F23R 3/14 (2006.01); F23D 14/70 (2006.01); F23R 3/34 (2006.01)

CPC (source: CN EP RU)

F23D 3/34 (2013.01 - RU); F23D 14/70 (2013.01 - EP); F23R 3/12 (2013.01 - CN); F23R 3/14 (2013.01 - EP RU); F23R 3/343 (2013.01 - EP); F23R 3/346 (2013.01 - CN); F23D 2900/00014 (2013.01 - EP); F23D 2900/14021 (2013.01 - EP)

Citation (examination)

DE 102010061626 A1 20110707 - GEN ELECTRIC [US]

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

DOCDB simple family (publication)

DE 102015206227 A1 20161013; CN 107429918 A 20171201; CN 107429918 B 20190906; EP 3250857 A1 20171206; EP 3250857 B1 20200101; RU 2669439 C1 20181011; WO 2016162248 A1 20161013

DOCDB simple family (application)

DE 102015206227 A 20150408; CN 201680019818 A 20160330; EP 16713412 A 20160330; EP 2016056892 W 20160330; RU 2017136855 A 20160330