Global Patent Index - EP 1975513 A3

EP 1975513 A3 20150520 - A premix burner for a gas turbine, in particular a microturbine

Title (en)

A premix burner for a gas turbine, in particular a microturbine

Title (de)

Vormischbrenner einer Gasturbine, insbesondere eine Mikroturbine

Title (fr)

Brûleur à prémélange pour turbine à gaz, en particulier une microturbine

Publication

EP 1975513 A3 20150520 (EN)

Application

EP 08152724 A 20080313

Priority

IT TO20070193 A 20070314

Abstract (en)

[origin: EP1975513A2] A gas turbine premix burner (1) is provided with a main annular duct (7) and a secondary annular duct (24), which are concentric with respect to a longitudinal axis (3) and have respective inlets (8, 25) for combustion air and respective axial outlets (9, 26), which give out, in use, into a combustion chamber (2); the main annular duct (7) has an initial portion (10) housing a blading (12) generating vortices and houses a plurality of pipes (39) for feeding combustible gas into the main annular duct (7); said pipes (39) are arranged about the longitudinal axis (3) and downstream of the blading (12) and each have at least one outlet hole (41), which has a radial component with respect to the axis (40) of the pipe (39).

IPC 8 full level

F23R 3/28 (2006.01)

CPC (source: EP)

F23R 3/14 (2013.01); F23R 3/286 (2013.01); F23C 2900/03001 (2013.01); F23R 2900/00002 (2013.01)

Citation (search report)

Designated contracting state (EPC)

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

Designated extension state (EPC)

AL BA MK RS

DOCDB simple family (publication)

EP 1975513 A2 20081001; EP 1975513 A3 20150520; IT TO20070193 A1 20080915

DOCDB simple family (application)

EP 08152724 A 20080313; IT TO20070193 A 20070314