EP 3278029 A1 20180207 - SWIRLER, BURNER AND COMBUSTOR FOR A GAS TURBINE ENGINE
Title (en)
SWIRLER, BURNER AND COMBUSTOR FOR A GAS TURBINE ENGINE
Title (de)
VERWIRBLER, BRENNER UND GASTURBINENBRENNKAMMER
Title (fr)
COUPELLE ROTATIVE, BRÛLEUR ET CHAMBRE DE COMBUSTION POUR TURBINE À GAZ
Publication
Application
Priority
- EP 15162154 A 20150401
- EP 2016055802 W 20160317
Abstract (en)
[origin: EP3076081A1] The invention relates to a swirler for use in a combustor of a gas turbine engine, comprising a plurality of generally radially inwardly extending passages arranged circumferentially staggered in a circle, each passage having a radially outer inlet end, a radially inner outlet end, first and second generally radially inwardly extending lateral surfaces, and a base surface and top surface, in use of the swirler fuel and air travelling along the passages from their inlet ends to their outlet ends so as to create adjacent to the outlet ends a swirling fuel/air mixture, wherein at least one surface of at least one passage comprises at least one gas fuel injection hole, characterized in that the surface, having the gas fuel injection hole, comprises at least one counterbore radially surrounding the gas fuel injection hole, wherein the gas fuel injection hole is arranged at a base of the counterbore.
IPC 8 full level
CPC (source: CN EP RU US)
F23R 3/14 (2013.01 - CN EP RU US); F23R 3/286 (2013.01 - CN EP RU US); F23C 2900/07001 (2013.01 - CN EP 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
Designated extension state (EPC)
BA ME
DOCDB simple family (publication)
EP 3076081 A1 20161005; CN 107466354 A 20171212; EP 3278029 A1 20180207; RU 2017134597 A 20190405; RU 2017134597 A3 20190405; RU 2690598 C2 20190604; US 2018045414 A1 20180215; WO 2016156055 A1 20161006
DOCDB simple family (application)
EP 15162154 A 20150401; CN 201680020973 A 20160317; EP 16710218 A 20160317; EP 2016055802 W 20160317; RU 2017134597 A 20160317; US 201615559557 A 20160317