公开(公告)号：US08607575B2

公开(公告)日：2013-12-17

申请号：US12830835

申请日：2010-07-06

申请人： William Joseph Myers, Jr. ,  Alfred Albert Mancini ,  George Chia-Chun Hsiao ,  Shui-Chi Li ,  Shih-Yang Hsieh ,  Hukam Chand Mongia

发明人： William Joseph Myers, Jr. ,  Alfred Albert Mancini ,  George Chia-Chun Hsiao ,  Shui-Chi Li ,  Shih-Yang Hsieh ,  Hukam Chand Mongia

IPC分类号： F02C9/00

CPC分类号： F02C9/28 ,  F23R3/286 ,  F23R3/346 ,  F23R2900/00013

摘要： A method for actively controlling fuel flow from a fuel pump to a mixer assembly of a gas turbine engine combustor, where the mixer assembly includes a pilot mixer and a main mixer. The pilot mixer further includes an annular pilot housing having a hollow interior, a primary fuel injector mounted in the pilot housing and adapted for dispensing droplets of fuel to the hollow interior of the pilot housing, a plurality of axial swirlers positioned upstream from the primary fuel injector. The fuel flow control apparatus further includes: at least one sensor for detecting dynamic pressure in the combustor; a fuel nozzle; and, a system for controlling fuel flow supplied by the fuel nozzle through the valves. The fuel nozzle includes: a feed strip with a plurality of circuits for providing fuel to the pilot mixer and the main mixer; and, a plurality of valves associated with the fuel nozzle and in flow communication with the feed strip thereof. The control system activates the valves in accordance with signals received from the pressure sensor.

摘要翻译： 一种用于主动地控制从燃料泵到燃气涡轮发动机燃烧器的混合器组件的燃料流的方法，其中混合器组件包括先导式混合器和主混合器。 先导式混合器还包括具有中空内部的环形导向壳体，安装在导向壳体中并适于将燃料液滴分配到导向壳体的中空内部的主燃料喷射器，多个轴向旋流器，其位于主燃料 注射器。 燃料流量控制装置还包括：用于检测燃烧器中的动态压力的至少一个传感器; 燃料喷嘴; 以及用于控制由燃料喷嘴通过阀提供的燃料流量的系统。 燃料喷嘴包括：具有用于向先导混合器和主混合器提供燃料的多个回路的进料条; 以及与燃料喷嘴相关联并与其进给条流动连通的多个阀。 控制系统根据从压力传感器接收的信号激活阀门。

公开(公告)号：US07565803B2

公开(公告)日：2009-07-28

申请号：US11188595

申请日：2005-07-25

申请人： Shui-Chi Li ,  Shih-Yang Hsieh ,  George Chia-Chun Hsiao ,  Hukam Chand Mongia

发明人： Shui-Chi Li ,  Shih-Yang Hsieh ,  George Chia-Chun Hsiao ,  Hukam Chand Mongia

IPC分类号： F02C1/00

CPC分类号： F23R3/14 ,  F23R3/286 ,  F23R3/343 ,  Y02T50/675

摘要： A swirler arrangement for a mixing assembly of a gas turbine engine combustor, where the swirler arrangement has a centerline axis therethrough, including: a swirler housing including an outer radial wall and an upstream wall; a first plurality of vanes incorporated into the outer radial wall, wherein the first plurality of vanes are oriented at a first angle with respect to an axis through the outer radial wall; and, a second plurality of vanes incorporated into the outer radial wall, wherein the second plurality of vanes are oriented at a second angle with respect to the through the outer radial wall. A first type of passage is defined between adjacent first and second vanes having a first configuration and a second type of passage is defined between adjacent first and second vanes having a second configuration so that air flowing through the swirler arrangement is swirled in a desirable manner. The axis through the outer radial wall may be oriented either substantially radially to the centerline axis or at an acute angle to the centerline axis.

摘要翻译： 一种用于燃气涡轮发动机燃烧器的混合组件的旋流器装置，其中旋流器装置具有穿过其的中心线轴线，包括：包括外径向壁和上游壁的旋流器壳体; 并入所述外径向壁中的第一多个叶片，其中所述第一多个叶片相对于穿过所述外径向壁的轴线以第一角度定向; 以及并入到所述外径向壁中的第二多个叶片，其中所述第二多个叶片相对于所述外径向壁以第二角度定向。 第一类型的通道被限定在具有第一构造的相邻的第一和第二叶片之间，并且第二类型的通道被限定在具有第二构造的相邻的第一和第二叶片之间，使得流过旋流器装置的空气以期望的方式旋转。 穿过外部径向壁的轴线可以大致径向地定向到中心线轴线或者与中心线轴线成锐角。

公开(公告)号：US20100263382A1

公开(公告)日：2010-10-21

申请号：US12424612

申请日：2009-04-16

申请人： Alfred Albert Mancini ,  Michael Anthony Benjamin ,  George Chia-Chun Hsiao ,  Claude Henry Chauvette

发明人： Alfred Albert Mancini ,  Michael Anthony Benjamin ,  George Chia-Chun Hsiao ,  Claude Henry Chauvette

IPC分类号： F02C1/00

CPC分类号： F23R3/343 ,  F23D2900/11101 ,  F23R3/14 ,  F23R3/28 ,  Y02T50/675

摘要： A gas turbine engine fuel nozzle assembly has concentric primary and secondary pilot fuel nozzles with circular primary and annular secondary exits respectively and a main fuel nozzle spaced radially outwardly of the pilot fuel nozzles. The primary and secondary pilot fuel nozzles include conical primary and secondary exit holes respectively. The secondary pilot fuel nozzle is located directly adjacent to and surrounding the primary pilot fuel nozzle. Alternatively the secondary pilot fuel nozzle may be radially spaced apart from the primary pilot fuel nozzle. A fuel injector having a hollow stem may be used to support the fuel nozzle assembly. A first pilot swirler may be located radially outwardly of and adjacent to the dual orifice pilot fuel injector tip, a second pilot swirler located radially outwardly of the first swirler, and a splitter radially positioned between the first and second pilot swirlers.

摘要翻译： 燃气涡轮发动机燃料喷嘴组件具有同心的初级和次级先导燃料喷嘴，分别具有圆形的初级和二级出口，以及主燃料喷嘴与导向燃料喷嘴径向向外间隔开。 主要和次要的先导燃料喷嘴分别包括锥形主要和次要出口孔。 次级引燃燃料喷嘴直接位于主要燃油喷嘴附近并围绕着它。 或者，第二引燃燃料喷嘴可以与主引燃燃料喷嘴径向间隔开。 具有中空杆的燃料喷射器可用于支撑燃料喷嘴组件。 第一先导性旋流器可以位于双孔口引燃燃料喷射器尖端的径向外侧并且邻近第二引燃燃料喷射器尖端，位于第一旋流器径向外侧的第二先导旋流器和径向地位于第一和第二引燃旋流器之间的分流器。

公开(公告)号：US07762073B2

公开(公告)日：2010-07-27

申请号：US11365428

申请日：2006-03-01

申请人： Shui-Chi Li ,  Shih-Yang Hsieh ,  George Chia-Chun Hsiao ,  Hukam Chand Mongia

发明人： Shui-Chi Li ,  Shih-Yang Hsieh ,  George Chia-Chun Hsiao ,  Hukam Chand Mongia

IPC分类号： F02C1/00 ,  F02G3/00

CPC分类号： F23R3/286 ,  F23R3/14 ,  F23R3/343 ,  Y02T50/675

摘要： A mixer assembly for use in a combustion chamber of a gas turbine engine includes a pilot mixer, a main mixer, and a fuel manifold. The pilot mixer includes: an annular pilot housing having a hollow interior, a primary fuel injector mounted in the pilot housing, a plurality of axial swirlers positioned upstream from the primary fuel injector, and a plurality of secondary fuel injection ports for introducing fuel into the hollow interior of the pilot housing. The main mixer includes: a main housing surrounding the pilot housing and defining an annular cavity, a plurality of fuel injection ports, and at least one swirler positioned upstream from the plurality of fuel injection ports. The fuel manifold is in flow communication with the plurality of secondary fuel injection ports in the pilot mixer and the plurality of fuel injection ports in the main mixer.

摘要翻译： 用于燃气涡轮发动机的燃烧室的混合器组件包括先导式混合器，主混合器和燃料歧管。 先导式混合器包括：环形导向壳体，其具有中空内部，安装在先导壳体中的主燃料喷射器，位于主燃料喷射器上游的多个轴向旋流器，以及多个二次燃料喷射端口，用于将燃料引入 飞行员舱的中空内部。 主混合器包括：围绕引导壳体并限定环形空腔，多个燃料喷射端口和位于多个燃料喷射端口的上游的至少一个旋流器的主壳体。 燃料歧管与先导混合器中的多个二次燃料喷射口和主混合器中的多个燃料喷射口流动连通。

公开(公告)号：US20100012750A1

公开(公告)日：2010-01-21

申请号：US12176898

申请日：2008-07-21

申请人： Beverly Stephenson Duncan ,  Michael Anthony Benjamin ,  George Chia-Chun Hsiao ,  Hukam Chand Mongia

发明人： Beverly Stephenson Duncan ,  Michael Anthony Benjamin ,  George Chia-Chun Hsiao ,  Hukam Chand Mongia

IPC分类号： B63H11/10

CPC分类号： F23R3/28 ,  F23R3/14 ,  Y02T50/675

摘要： A fuel nozzle centerbody is provided that includes a cylindrical cross-sectional area, and a baffle co-axially aligned within the centerbody. The baffle includes a plurality of circumferentially-spaced apertures configured to channel an airflow radially outward such that the channeled airflow impinges a centerbody inner surface.

摘要翻译： 提供了一种燃料喷嘴中心体，其包括圆柱形横截面区域和在中心体内同轴对准的挡板。 挡板包括多个周向间隔开的孔，其被构造成使气流径向向外引导，使得通道气流冲击中心体内表面。

公开(公告)号：US08001761B2

公开(公告)日：2011-08-23

申请号：US11439321

申请日：2006-05-23

申请人： William Joseph Myers, Jr. ,  Alfred Albert Mancini ,  George Chia-Chun Hsiao ,  Shui-Chi Li ,  Shih-Yang Hsieh ,  Hukam Chand Mongia

发明人： William Joseph Myers, Jr. ,  Alfred Albert Mancini ,  George Chia-Chun Hsiao ,  Shui-Chi Li ,  Shih-Yang Hsieh ,  Hukam Chand Mongia

IPC分类号： F02C9/00 ,  F02C1/00

CPC分类号： F02C9/28 ,  F23R3/286 ,  F23R3/346 ,  F23R2900/00013

摘要： An apparatus for actively controlling fuel flow from a fuel pump to a mixer assembly of a gas turbine engine combustor, where the mixer assembly includes a pilot mixer and a main mixer. The pilot mixer further includes an annular pilot housing having a hollow interior, a primary fuel injector mounted in the pilot housing and adapted for dispensing droplets of fuel to the hollow interior of the pilot housing, a plurality of axial swirlers positioned upstream from the primary fuel injector. The fuel flow control apparatus further includes: at least one sensor for detecting dynamic pressure in the combustor; a fuel nozzle; and, a system for controlling fuel flow supplied by the fuel nozzle through the valves. The fuel nozzle includes: a feed strip with a plurality of circuits for providing fuel to the pilot mixer and the main mixer; and, a plurality of valves associated with the fuel nozzle and in flow communication with the feed strip thereof. The control system activates the valves in accordance with signals received from the pressure sensor.

摘要翻译： 一种用于主动地控制从燃料泵到燃气涡轮发动机燃烧器的混合器组件的燃料流的装置，其中混合器组件包括先导式混合器和主混合器。 先导式混合器还包括具有中空内部的环形导向壳体，安装在导向壳体中并适于将燃料液滴分配到导向壳体的中空内部的主燃料喷射器，多个轴向旋流器，其位于主燃料 注射器。 燃料流量控制装置还包括：用于检测燃烧器中的动态压力的至少一个传感器; 燃料喷嘴; 以及用于控制由燃料喷嘴通过阀提供的燃料流量的系统。 燃料喷嘴包括：具有用于向先导混合器和主混合器提供燃料的多个回路的进料条; 以及与燃料喷嘴相关联并与其进给条流动连通的多个阀。 控制系统根据从压力传感器接收的信号激活阀门。

公开(公告)号：US20090113893A1

公开(公告)日：2009-05-07

申请号：US11365428

申请日：2006-03-01

申请人： Shui-Chi Li ,  Shih-Yang Hsieh ,  George Chia-Chun Hsiao ,  Hukam Chand Mongia

发明人： Shui-Chi Li ,  Shih-Yang Hsieh ,  George Chia-Chun Hsiao ,  Hukam Chand Mongia

IPC分类号： F02C7/22 ,  F23R3/28

CPC分类号： F23R3/286 ,  F23R3/14 ,  F23R3/343 ,  Y02T50/675

摘要： A mixer assembly for use in a combustion chamber of a gas turbine engine including a pilot mixer, a main mixer, and a fuel manifold. The pilot mixer includes: an annular pilot housing having a hollow interior; a primary fuel injector mounted in the pilot housing and adapted for dispensing droplets of fuel to the hollow interior of the pilot housing; a plurality of axial swirlers positioned upstream from the primary fuel injector, each of the plurality of swirlers having a plurality of vanes for swirling air traveling through the respective swirler to mix air and the droplets of fuel dispensed by the primary fuel injector; and, a plurality of secondary fuel injection ports for introducing fuel into the hollow interior of the pilot housing. The main mixer further includes: a main housing surrounding the pilot housing and defining an annular cavity; a plurality of fuel injection ports for introducing fuel into the cavity; and, at least one swirler positioned upstream from the plurality of fuel injection ports, each of the main mixer swirlers having a plurality of vanes for swirling air traveling through the respective swirler to mix air and the droplets of fuel dispensed by the main mixer fuel injection ports. The fuel manifold is in flow communication with the plurality of secondary fuel injection ports in the pilot mixer and the plurality of fuel injection ports in the main mixer.

摘要翻译： 一种用于燃气涡轮发动机的燃烧室的混合器组件，包括先导式混合器，主混合器和燃料歧管。 先导式混合器包括：具有中空内部的环形导向壳体; 主燃料喷射器，其安装在导向壳体中并且适于将燃料液滴分配到飞行员壳体的中空内部; 多个旋流器，其定位在主燃料喷射器的上游，多个旋流器中的每一个具有多个叶片，用于旋转通过相应旋流器的空气，以混合空气和由主燃料喷射器分配的燃料液滴; 以及用于将燃料引入导向壳体的中空内部的多个二次燃料喷射口。 主混合器还包括：围绕引导壳体并限定环形空腔的主壳体; 多个用于将燃料引入所述空腔的燃料喷射口; 并且至少一个位于多个燃料喷射口的上游的旋流器，每个主混合器旋流器具有多个叶片，用于旋转各自旋流器中的旋转空气，以混合空气和由主混合器燃料喷射分配的燃料液滴 港口。 燃料歧管与先导混合器中的多个二次燃料喷射口和主混合器中的多个燃料喷射口流动连通。

公开(公告)号：US07464553B2

公开(公告)日：2008-12-16

申请号：US11188470

申请日：2005-07-25

申请人： Shih-Yang Hsieh ,  George Chia-Chun Hsiao ,  Shui-Chi Li ,  Hukam Chand Mongia

发明人： Shih-Yang Hsieh ,  George Chia-Chun Hsiao ,  Shui-Chi Li ,  Hukam Chand Mongia

IPC分类号： F23R3/14

CPC分类号： F23R3/286 ,  F23D2209/30 ,  F23R3/14 ,  F23R3/343 ,  Y02T50/675

摘要： A mixer assembly for use in a combustion chamber of a gas turbine engine includes a pilot mixer, a main mixer, and a fuel manifold positioned between the pilot mixer and main mixer. The pilot mixer includes an annular pilot housing having a hollow interior and a pilot fuel nozzle mounted in the housing and adapted for dispensing droplets of fuel to the hollow interior of the pilot housing. The main mixer includes: a main housing surrounding the pilot housing and defining an annular cavity; a plurality of fuel injection ports for introducing fuel into the cavity; a post member associated with and extending from each fuel injection port to an inner surface of said annular cavity, the post member including an inner passage therethrough in flow communication with the fuel injection port; a passage surrounding each post member, wherein air is provided therefrom to envelop fuel injected into the annular cavity; and, a swirler arrangement including at least one swirler positioned upstream from the fuel injection ports, wherein each swirler of the arrangement has a plurality of vanes for swirling air traveling through such swirler to mix air and the droplets of fuel dispensed by the fuel injection ports. The air through the passages is either injected substantially straight through or swirled a predetermined amount.

摘要翻译： 用于燃气涡轮发动机的燃烧室的混合器组件包括先导式混合器，主混合器和位于先导混合器和主混合器之间的燃料歧管。 先导式混合器包括环形导向壳体，其具有中空的内部和安装在壳体中的先导燃料喷嘴，适于将燃料液滴分配到飞行员舱的中空内部。 主混合器包括：围绕引导壳体并限定环形空腔的主壳体; 多个用于将燃料引入所述空腔的燃料喷射口; 与每个燃料喷射口相关联并且从每个燃料喷射口延伸到所述环形空腔的内表面的柱构件，所述柱构件包括与所述燃料喷射口流动连通的通过其的内部通道; 围绕每个柱构件的通道，其中从其中提供空气以包围注入到所述环形空腔中的燃料; 以及旋流器装置，其包括位于燃料喷射口的上游的至少一个旋流器，其中该装置的每个旋流器具有多个叶片，用于旋转通过该旋流器的空气旋转以混合空气和燃料喷射端口分配的燃料液滴 。 通过通道的空气基本上直接注入或旋转预定量。

公开(公告)号：US20070271927A1

公开(公告)日：2007-11-29

申请号：US11439321

申请日：2006-05-23

申请人： William Joseph Myers ,  Alfred Albert Mancini ,  George Chia-Chun Hsiao

发明人： William Joseph Myers ,  Alfred Albert Mancini ,  George Chia-Chun Hsiao

IPC分类号： F02C7/26

CPC分类号： F02C9/28 ,  F23R3/286 ,  F23R3/346 ,  F23R2900/00013

摘要： An apparatus for actively controlling fuel flow from a fuel pump to a mixer assembly of a gas turbine engine combustor, where the mixer assembly includes a pilot mixer and a main mixer. The pilot mixer further includes an annular pilot housing having a hollow interior, a primary fuel injector mounted in the pilot housing and adapted for dispensing droplets of fuel to the hollow interior of the pilot housing, a plurality of axial swirlers positioned upstream from the primary fuel injector. The fuel flow control apparatus further includes: at least one sensor for detecting dynamic pressure in the combustor; a fuel nozzle; and, a system for controlling fuel flow supplied by the fuel nozzle through the valves. The fuel nozzle includes: a feed strip with a plurality of circuits for providing fuel to the pilot mixer and the main mixer; and, a plurality of valves associated with the fuel nozzle and in flow communication with the feed strip thereof. The control system activates the valves in accordance with signals received from the pressure sensor.

摘要翻译： 一种用于主动地控制从燃料泵到燃气涡轮发动机燃烧器的混合器组件的燃料流的装置，其中混合器组件包括先导式混合器和主混合器。 先导式混合器还包括具有中空内部的环形导向壳体，安装在导向壳体中并适于将燃料液滴分配到导向壳体的中空内部的主燃料喷射器，多个轴向旋流器，其位于主燃料 注射器。 燃料流量控制装置还包括：用于检测燃烧器中的动态压力的至少一个传感器; 燃料喷嘴; 以及用于控制由燃料喷嘴通过阀提供的燃料流量的系统。 燃料喷嘴包括：具有用于向先导混合器和主混合器提供燃料的多个回路的进料条; 以及与燃料喷嘴相关联并与其进给条流动连通的多个阀。 控制系统根据从压力传感器接收的信号激活阀门。

公开(公告)号：US08555645B2

公开(公告)日：2013-10-15

申请号：US12176898

申请日：2008-07-21

申请人： Beverly Stephenson Duncan ,  Michael Anthony Benjamin ,  George Chia-Chun Hsiao ,  Hukam Chand Mongia

发明人： Beverly Stephenson Duncan ,  Michael Anthony Benjamin ,  George Chia-Chun Hsiao ,  Hukam Chand Mongia

IPC分类号： F02C7/22

CPC分类号： F23R3/28 ,  F23R3/14 ,  Y02T50/675

摘要： A fuel nozzle centerbody is provided that includes a cylindrical cross-sectional area, and a baffle co-axially aligned within the centerbody. The baffle includes a plurality of circumferentially-spaced apertures configured to channel an airflow radially outward such that the channeled airflow impinges a centerbody inner surface.

摘要翻译： 提供了一种燃料喷嘴中心体，其包括圆柱形横截面区域和在中心体内同轴对准的挡板。 挡板包括多个周向间隔开的孔，其被构造成使气流径向向外引导，使得通道气流冲击中心体内表面。