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公开(公告)号：US11015809B2
公开(公告)日：2021-05-25
申请号：US14585787
申请日：2014-12-30
Applicant: General Electric Company
Inventor： Jason Thurman Stewart
Abstract: A fuel nozzle for a gas turbine engine that includes: an elongated centerbody; an elongated peripheral wall formed about the centerbody so to define a primary flow annulus therebetween; a primary fuel supply and a primary air supply in fluid communication with an upstream end of the primary flow annulus; and a pilot nozzle. The pilot nozzle may be formed in the centerbody and include: axially elongated mixing tubes defined within a centerbody wall; a fuel port positioned on the mixing tubes for connecting each to a secondary fuel supply; and a secondary air supply configured so to fluidly communicate with an inlet of each of the mixing tubes. A plurality of the mixing tubes may be formed as canted mixing tubes that are configured for inducing a swirling flow about the central axis in a collective discharge therefrom.
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公开(公告)号：US20150308345A1
公开(公告)日：2015-10-29
申请号：US14261464
申请日：2014-04-25
Applicant: General Electric Company
Inventor： Stacy Ann Holzman , Michael Christopher Gibson , Dereck Joseph Ouellet , Bryan Wesley Romig , Jason Thurman Stewart
CPC classification number: F02C7/222 , F23D2900/00003 , F23R3/28
Abstract: A fuel nozzle assembly having an inlet region of a fuel nozzle base assembly that provides more uniform flow of fuel within the fuel nozzle assembly. The embodiments described herein provide fuel flow conditioning components that manage fuel uniformity within a fuel annulus and make more efficient use of allocated space, thereby overcoming spatial constraints imposed on the overall fuel nozzle assembly.
Abstract translation: 一种燃料喷嘴组件，其具有燃料喷嘴基座组件的入口区域，其在燃料喷嘴组件内提供更均匀的燃料流。 这里描述的实施例提供燃料流调节部件，其管理燃料环路内的燃料均匀性，并且更有效地利用所分配的空间，从而克服施加在总体燃料喷嘴组件上的空间限制。
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公开(公告)号：US20140366541A1
公开(公告)日：2014-12-18
申请号：US13917964
申请日：2013-06-14
Applicant: General Electric Company
IPC: F02C7/22
Abstract: A gas turbine engine having a combustor that includes: an inner radial wall defining a first interior chamber and a second interior chamber, wherein the first interior chamber extends axially from an end cover to a primary fuel injector, and the second interior chamber extends axially from the primary fuel injector to the turbine; an outer radial wall formed about the inner radial wall so that a flow annulus is formed therebetween; upstream fuel nozzles jutting into the flow annulus from the outer radial wall. The upstream fuel nozzles may include non-uniform circumferential spacing about the inner radial wall.
Abstract translation: 一种具有燃烧器的燃气涡轮发动机，其包括：限定第一内部室和第二内部室的内部径向壁，其中所述第一内部室从端盖轴向延伸到主要燃料喷射器，并且所述第二内部腔室从 主燃料喷射器到涡轮机; 围绕所述内部径向壁形成的外部径向壁，使得在其之间形成流动环空; 上游燃料喷嘴从外部径向壁突出到流动环空中。 上游燃料喷嘴可以包括围绕内部径向壁的不均匀的周向间隔。
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公开(公告)号：US20140338356A1
公开(公告)日：2014-11-20
申请号：US13839076
申请日：2013-03-15
Applicant: GENERAL ELECTRIC COMPANY
IPC: F23R3/28
CPC classification number: F23R3/286 , F23R3/10 , F23R2900/00012 , Y02T50/675
Abstract: A system including a first multi-tube fuel nozzle including a plurality of first tubes extending in an axial direction, wherein each first tube of the plurality of first tubes includes a first air inlet, a first fuel inlet, and a first fuel-air mixture outlet, a second multi-tube fuel nozzle including a plurality of second tubes extending in an axial direction, wherein each second tube of the plurality of second tubes includes a second air inlet, a second fuel inlet, and a second fuel-air mixture outlet, and an aft plate including a plurality of first tube apertures and a plurality of second tube apertures, wherein the plurality of first tubes extend to the plurality of first tube apertures, and the plurality of second tubes extend to the plurality of second tube apertures.
Abstract translation: 一种包括第一多管燃料喷嘴的系统，所述第一多管燃料喷嘴包括沿轴向方向延伸的多个第一管，其中所述多个第一管中的每个第一管包括第一空气入口，第一燃料入口和第一燃料 - 空气混合物 出口，第二多管燃料喷嘴，其包括在轴向方向上延伸的多个第二管，其中所述多个第二管中的每个第二管包括第二空气入口，第二燃料入口和第二燃料空气混合物出口 以及包括多个第一管孔和多个第二管孔的后板，其中所述多个第一管延伸到所述多个第一管孔，并且所述多个第二管延伸到所述多个第二管孔。
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公开(公告)号：US09587562B2
公开(公告)日：2017-03-07
申请号：US13760097
申请日：2013-02-06
Applicant: General Electric Company
Inventor： Heath Michael Ostebee , Thomas Edward Johnson , Jason Thurman Stewart , Christopher Paul Keener
Abstract: The present application provides a combustor for use with a gas turbine engine. The combustor may include a number of micro-mixer fuel nozzles and a fuel injection system for providing a flow of fuel to the micro-mixer fuel nozzles. The fuel injection system may include a number of support struts supporting the fuel nozzles and providing the flow of fuel therethrough. The support struts may include an aerodynamic contoured shape so as to distribute evenly a flow of air to the micro-mixer fuel nozzles.
Abstract translation: 本申请提供了一种与燃气涡轮发动机一起使用的燃烧器。 燃烧器可以包括多个微混合器燃料喷嘴和用于向微混合器燃料喷嘴提供燃料流的燃料喷射系统。 燃料喷射系统可以包括支撑燃料喷嘴的多个支撑支柱，并且通过其提供燃料流。 支撑支柱可以包括空气动力学轮廓形状，以便均匀地分配空气流到微混合器燃料喷嘴。
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Patent Agency Ranking
公开(公告)号：US09562689B2
公开(公告)日：2017-02-07
申请号：US13720118
申请日：2012-12-19
Applicant: General Electric Company
Inventor： Jason Thurman Stewart , Christopher Paul Keener
Abstract: A fuel flow passes through a micromixer section of a gas turbine that includes a plurality of mixing tubes for transporting a fuel/air mixture and a distribution plate including a plurality of distribution holes and a plurality of tube holes for accommodating the mixing tubes. Each of the mixing tubes includes a plurality of fuel holes through which fuel enters the mixing tubes. The tube holes and the mixing tubes form a plurality of annulus areas between the distribution plate and the mixing tubes. The distribution holes and the annulus areas are configured to pass the fuel flow through the distribution plate toward the fuel holes. A flow management device modifies an effective size of the annulus areas to control a distribution of the fuel flow through the distribution holes and the annulus areas of the distribution plate to provide a uniform fuel/air composition in each of the mixing tubes.
Abstract translation: 燃料流通过燃气轮机的微混合器部分，其包括用于输送燃料/空气混合物的多个混合管和包括多个分配孔的分配板和用于容纳混合管的多个管孔。 每个混合管包括燃料进入混合管的多个燃料孔。 管孔和混合管在分配板和混合管之间形成多个环形区域。 分配孔和环形区域被配置成使燃料流通过分配板朝向燃料孔。 流量管理装置修改环形区域的有效尺寸以控制通过分配孔的分配孔和环形区域的燃料流的分布，以在每个混合管中提供均匀的燃料/空气组成。
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公开(公告)号：US09546789B2
公开(公告)日：2017-01-17
申请号：US13839376
申请日：2013-03-15
Applicant: General Electric Company
Inventor： Christopher Paul Keener , Jason Thurman Stewart
CPC classification number: F23R3/286 , F23R3/10 , F23R3/343 , Y02T50/675
Abstract: A system including a plurality of multi-tube fuel nozzles each having a plurality of tubes extending in an axial direction, wherein each tube of the plurality of tubes includes an air inlet, a fuel inlet, and a fuel-air mixture outlet, a fuel nozzle housing including a first outer wall extending circumferentially about a central axis, wherein the plurality of multi-tube fuel nozzles are disposed in the fuel nozzle housing, an inlet flow conditioner removably coupled to a first end portion of the first outer wall, wherein the inlet flow conditioner includes a plurality of air openings, and an aft plate assembly removably coupled to a second end portion of the first outer wall, wherein the aft plate assembly includes an aft plate having a plurality of tube apertures, and the plurality of tubes extend to the plurality of tube apertures.
Abstract translation: 一种系统，包括多个多管燃料喷嘴，每个多管燃料喷嘴具有沿轴向方向延伸的多个管，其中多个管中的每个管包括空气入口，燃料入口和燃料 - 空气混合物出口，燃料 喷嘴壳体包括围绕中心轴线周向延伸的第一外壁，其中多个多管燃料喷嘴设置在燃料喷嘴壳体中，可移除地联接到第一外壁的第一端部的入口流调节器，其中， 入口流动调节器包括多个空气开口和可拆卸地联接到第一外壁的第二端部的后板组件，其中后板组件包括具有多个管孔的后板，并且多个管延伸 到多个管孔。
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公开(公告)号：US09303873B2
公开(公告)日：2016-04-05
申请号：US13838726
申请日：2013-03-15
Applicant: General Electric Company
CPC classification number: F23R3/28 , F23R3/10 , F23R3/283 , F23R3/286 , F23R2900/00012 , Y02T50/675
Abstract: A system including a plurality of multi-tube fuel nozzles each having a plurality of tubes extending in an axial direction, wherein each tube of the plurality of tubes includes an air inlet, a fuel inlet, and a fuel-air mixture outlet, and a fuel nozzle housing, including an outer wall extending circumferentially about a central axis, a plurality of radial walls extending from the outer wall inwardly toward the central axis, a plurality of fuel nozzle receptacles disposed within the outer wall, wherein the plurality of radial walls separate the plurality of fuel nozzle receptacles from one another, and the plurality of multi-tube fuel nozzles are disposed in the plurality of fuel nozzle receptacles a mounting structure including a plurality of radial support arms extending outwardly from the outer wall.
Abstract translation: 一种包括多个多管燃料喷嘴的系统，每个多管燃料喷嘴各自具有沿轴向方向延伸的多个管，其中多个管中的每个管包括空气入口，燃料入口和燃料 - 空气混合物出口，以及 燃料喷嘴壳体，包括围绕中心轴线周向延伸的外壁;多个径向壁，其从所述外壁向内延伸到所述中心轴线;多个燃料喷嘴容器，设置在所述外壁内，其中所述多个径向壁分离 所述多个燃料喷嘴容器彼此之间，并且所述多个多管燃料喷嘴在所述多个燃料喷嘴容器中设置有包括从所述外壁向外延伸的多个径向支撑臂的安装结构。
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公开(公告)号：US20140216041A1
公开(公告)日：2014-08-07
申请号：US13760099
申请日：2013-02-06
Applicant: GENERAL ELECTRIC COMPANY
Inventor： Heath Michael Ostebee , Johnie Franklin McConnaughhay , Jason Thurman Stewart , Christopher Paul Keener
IPC: F02C7/22
Abstract: The present application and the resultant patent provide a combustor for use with a gas turbine engine. The combustor may include a number of micro-mixer fuel nozzles and a fuel injection system for providing a flow of fuel to the micro-mixer fuel nozzles. The fuel injection system may include a center hub for providing the flow of fuel therethrough. The center hub may include a first supply circuit for a first micro-mixer fuel nozzle and a second supply circuit for a second micro-mixer fuel nozzle.
Abstract translation: 本申请和所得专利提供了一种与燃气涡轮发动机一起使用的燃烧器。 燃烧器可以包括多个微混合器燃料喷嘴和用于向微混合器燃料喷嘴提供燃料流的燃料喷射系统。 燃料喷射系统可以包括用于通过其提供燃料流的中心毂。 中心毂可以包括用于第一微混合器燃料喷嘴的第一供应回路和用于第二微混合器燃料喷嘴的第二供应回路。
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公开(公告)号：US09803867B2
公开(公告)日：2017-10-31
申请号：US14691864
申请日：2015-04-21
Applicant: General Electric Company
Inventor： Jason Thurman Stewart
CPC classification number: F23R3/286 , F23D14/78 , F23R3/343 , F23R2900/03343
Abstract: A premix pilot nozzle includes a tip portion having a downstream surface that extends between a downstream end of an inner wall of the tip portion and a downstream end of an outer wall of the tip portion. The downstream end of the inner wall terminates axially upstream from the downstream end of the outer wall. At least a portion of the downstream surface is curvilinear. The tip portion further comprises a plurality of axially extending premix tubes annularly arranged about the tip portion. Each premix tube defines a premix flow passage through the tip portion. Each premix tube also includes an outlet that is axially offset from the downstream surface.
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