公开(公告)号：EP1426690B1

公开(公告)日：2015-02-18

申请号：EP03257562.3

申请日：2003-12-02

Applicant: GENERAL ELECTRIC COMPANY

Inventor： Held, Timothy James ,  Xu, Jun ,  Mueller, Mark Anthony

IPC: F23R3/28 ,  F23R3/14 ,  F23R3/34

CPC classification number: F23R3/286 ,  F23R3/14 ,  F23R3/343

公开(公告)号：EP1672282A1

公开(公告)日：2006-06-21

申请号：EP05257548.7

申请日：2005-12-08

Applicant: GENERAL ELECTRIC COMPANY

Inventor： Xu, Jun ,  Held, Timothy James

IPC: F23R3/28 ,  F23R3/34 ,  F23R3/14

CPC classification number: F23R3/286 ,  F23R3/14 ,  F23R3/343 ,  F23R2900/00014

Abstract: A fuel delivery apparatus for a dry low emission (DLE) combustor (16) for a gas turbine engine (10) is provided. The apparatus includes a plurality of combustor domes (36) circumferentially arranged and coupled to the combustor inlet and a premixer (40) coupled to a respective one of each of the plurality of domes. Each premixer includes a chamfered trailing edge (136) configured to suppress coupling of a vortex shedding with acoustic vibrations in the combustor.

公开(公告)号：EP1426690A2

公开(公告)日：2004-06-09

申请号：EP03257562.3

申请日：2003-12-02

Applicant: GENERAL ELECTRIC COMPANY

Inventor： Held, Timothy James ,  Xu, Jun ,  Mueller, Mark Anthony

IPC: F23R3/28 ,  F23R3/14 ,  F23R3/34

CPC classification number: F23R3/286 ,  F23R3/14 ,  F23R3/343

Abstract: A combustor (16) for a gas turbine includes a combustion chamber (50), a pilot mixer (42) including a pilot centerbody (54) and at least one axial air swirler (60) that is radially outward from and concentrically mounted with respect to the pilot centerbody. The pilot mixer is upstream from the combustion chamber. A main mixer (44) is radially outward from and is concentrically aligned with respect to the pilot mixer. The main mixer includes at least one swirler (140) that is configured to inject fuel therethrough into the main mixer. The main mixer is upstream from the combustion chamber. An annular centerbody (106) extends between the pilot mixer and the main mixer. The centerbody includes a radially inner surface (102) and a radially outer surface (104). The radially inner surface includes at least one of a divergent portion and a convergent portion.

Abstract translation: 一种用于燃气轮机的燃烧器（16）包括燃烧室（50），包括先导中心体（54）的先导式混合器（42）和至少一个轴向空气旋流器（60），该至少一个轴向空气旋流器（60）相对于 到试点中心体。 先导式混合器在燃烧室的上游。 主混合器（44）相对于先导混合器径向向外并且同心对准。 主混合器包括至少一个旋流器（140），其构造成将燃料喷射到主混合器中。 主混合器在燃烧室的上游。 环形中心体（106）在先导混合器和主混合器之间延伸。 中心体包括径向内表面（102）和径向外表面（104）。 径向内表面包括发散部分和收敛部分中的至少一个。

公开(公告)号：EP1672282B1

公开(公告)日：2017-03-01

申请号：EP05257548.7

申请日：2005-12-08

Applicant: GENERAL ELECTRIC COMPANY

Inventor： Xu, Jun ,  Held, Timothy James

IPC: F23R3/28 ,  F23R3/34 ,  F23R3/14

CPC classification number: F23R3/286 ,  F23R3/14 ,  F23R3/343 ,  F23R2900/00014

公开(公告)号：EP1426690A3

公开(公告)日：2010-08-25

申请号：EP03257562.3

申请日：2003-12-02

Applicant: GENERAL ELECTRIC COMPANY

Inventor： Held, Timothy James ,  Xu, Jun ,  Mueller, Mark Anthony

IPC: F23R3/28 ,  F23R3/14 ,  F23R3/34

CPC classification number: F23R3/286 ,  F23R3/14 ,  F23R3/343

Abstract: A combustor (16) for a gas turbine includes a combustion chamber (50), a pilot mixer (42) including a pilot centerbody (54) and at least one axial air swirler (60) that is radially outward from and concentrically mounted with respect to the pilot centerbody. The pilot mixer is upstream from the combustion chamber. A main mixer (44) is radially outward from and is concentrically aligned with respect to the pilot mixer. The main mixer includes at least one swirler (140) that is configured to inject fuel therethrough into the main mixer. The main mixer is upstream from the combustion chamber. An annular centerbody (106) extends between the pilot mixer and the main mixer. The centerbody includes a radially inner surface (102) and a radially outer surface (104). The radially inner surface includes at least one of a divergent portion and a convergent portion.