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公开(公告)号：US11680528B2
公开(公告)日：2023-06-20
申请号：US17127236
申请日：2020-12-18
申请人： Delavan Inc.
CPC分类号： F02C7/264 , F02C7/18 , F02C7/22 , F02C7/28 , F23R3/283 , F05D2240/35 , F05D2240/55 , F05D2260/201 , F05D2260/232 , F05D2260/30 , F05D2260/99 , F23R2900/03043 , F23R2900/03044
摘要： A torch igniter for a combustor of a gas turbine engine includes an igniter body and an igniter head. The igniter body is disposed within a high-pressure case of a gas turbine engine and extends primarily along a first axis, and includes an annular wall and an outlet wall. The annular wall surrounds the first axis and defines a radial extent of a combustion chamber therewithin. The outlet wall is disposed at a downstream end of the annular wall, defines a downstream extent of the combustion chamber, and includes an outlet fluidly communicating between the combustion chamber and an interior of the combustor. The igniter head is removably attached to the igniter body at an upstream end of the annular wall, wherein the igniter head defines an upstream extent of the combustion chamber, and includes an ignition source and a fuel injector.
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2.发明申请公开(公告)号：US20220195935A1
公开(公告)日：2022-06-23
申请号：US17125107
申请日：2020-12-17
申请人： Delavan Inc.
摘要： An embodiment of a combustor for a gas turbine engine includes a combustor case, a combustor liner disposed within the combustor case, a fuel nozzle, and a torch igniter within the combustor case. The torch igniter includes a combustion chamber, a cap defining the upstream end of the combustion chamber, a tip defining the downstream end of the combustion chamber, an annular igniter wall extending from the cap to the tip and defining a radial extent of the combustion chamber, a structural wall coaxial with and surrounding the igniter wall, and an outlet passage within the tip that fluidly connects the combustion chamber to the combustor. The tip is mounted through the combustor liner, the cap is downstream of the tip, and the torch igniter is downstream of the fuel nozzle and disposed radially between the combustor liner and the combustor case.
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公开(公告)号：US20220154932A1
公开(公告)日：2022-05-19
申请号：US16951631
申请日：2020-11-18
申请人： Delavan Inc.
摘要： A torch igniter system for a combustor of a gas turbine engine includes a housing defining a combustion chamber, an ignition source disposed at least partially in the combustion chamber, a fuel injector, a first fluid path connecting a first fuel source to the fuel injector, a second fluid path connecting an air source to the fuel injector, and a third fluid path connecting a second fuel source to the combustion chamber. The fuel injector is configured to inject fuel, air, or a mixture of fuel and air into the combustion chamber and to impinge on the ignition source.
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公开(公告)号：US20230235703A1
公开(公告)日：2023-07-27
申请号：US17581559
申请日：2022-01-21
申请人： Delavan Inc.
发明人： Jason Ryon , Brandon P. Williams , Troy Finton
CPC分类号： F02C7/222 , B23K1/0018 , B23K1/0056 , F23D14/48 , B23K2101/001
摘要： A method comprising applying braze to a joint location of two work pieces and applying local heating to the joint location of the two work pieces until braze melting temperature is achieved to melt the braze while maintaining temperature of more remote portions of each work piece. The method includes reducing heating of the braze to form a braze joint joining the joint location of the two work pieces.
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公开(公告)号：US11635027B2
公开(公告)日：2023-04-25
申请号：US16951631
申请日：2020-11-18
申请人： Delavan Inc.
摘要： A torch igniter system for a combustor of a gas turbine engine includes a housing defining a combustion chamber, an ignition source disposed at least partially in the combustion chamber, a fuel injector, a first fluid path connecting a first fuel source to the fuel injector, a second fluid path connecting an air source to the fuel injector, and a third fluid path connecting a second fuel source to the combustion chamber. The fuel injector is configured to inject fuel, air, or a mixture of fuel and air into the combustion chamber and to impinge on the ignition source.
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公开(公告)号：US20220195933A1
公开(公告)日：2022-06-23
申请号：US17125072
申请日：2020-12-17
申请人： Delavan Inc.
摘要： An embodiment of a combustor for a gas turbine engine includes a combustor case, a combustor liner disposed within the combustor case, a fuel nozzle, and a torch igniter within the combustor case. The torch igniter includes a combustion chamber, a cap defining the upstream end of the combustion chamber and configured to receive a fuel injector and a surface igniter, a tip defining the downstream end of the combustion chamber, an annular igniter wall extending from the cap to the tip and defining a radial extent of the combustion chamber, a structural wall coaxial with and surrounding the igniter wall, and an outlet passage within the tip that fluidly connects the combustion chamber to the combustor. The torch igniter is situated such that the tip is mounted through the combustor liner, the combustion chamber is within the combustor case, and the cap extends through the combustor case.
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公开(公告)号：US20160102614A1
公开(公告)日：2016-04-14
申请号：US14974626
申请日：2015-12-18
申请人： Delavan Inc.
CPC分类号： F02C7/232 , F16K11/04 , F16K31/0606 , F16K31/0613 , F16K31/0651 , F16K31/0655 , F16K31/0658 , F16K31/10 , F16K31/105 , F16K31/52408 , F16K31/52466 , H01F7/121 , H01F7/124 , H01F2007/086
摘要： A valve includes a valve housing having a fluid inlet and a fluid outlet with a longitudinal axis defined through the valve housing. The valve also includes a toggle mechanism configured and adapted to cycle flow from the fluid inlet to the fluid outlet through a plurality of different flow rates in response to repeated impulses. The toggle mechanism is also configured to hold flow rate steady between impulses.
摘要翻译： 阀包括具有流体入口的阀壳体和具有通过阀壳体限定的纵向轴线的流体出口。 该阀还包括肘节机构，该肘节机构构造成适于响应于重复的脉冲而循环通过多个不同的流速从流体入口到流体出口的流动。 肘节机构还被配置成在脉冲之间保持流速稳定。
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公开(公告)号：US20140041390A1
公开(公告)日：2014-02-13
申请号：US14057511
申请日：2013-10-18
申请人： Delavan Inc.
IPC分类号： F23R3/28
CPC分类号： F23R3/286 , F23D2900/00015 , F23R3/343
摘要： A fuel injector for a gas turbine engine includes a nozzle body defining a central axis and having a main fuel circuit. An air circuit is formed within the nozzle body inboard of the main fuel circuit. A primary pilot fuel circuit is formed within the nozzle body inboard of the air circuit. A secondary pilot fuel circuit is formed within the nozzle body inboard of the air circuit and outboard of the primary pilot fuel circuit.
摘要翻译： 一种用于燃气涡轮发动机的燃料喷射器包括限定中心轴线并具有主燃料回路的喷嘴体。 在主燃料回路内的喷嘴体内部形成有空气回路。 在空气回路的内部的喷嘴体内形成有主要的先导燃料回路。 二次引燃燃料电路形成在空气回路内部的喷嘴体内部和主导向燃料回路外侧。
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公开(公告)号：US11525580B2
公开(公告)日：2022-12-13
申请号：US17125114
申请日：2020-12-17
申请人： Delavan Inc.
摘要： An embodiment of a combustor for a gas turbine engine includes a combustor case, a combustor liner disposed within the combustor case, a fuel nozzle at an upstream end of the combustor liner, a torch igniter within the combustor case, and a removable fuel injector. The torch igniter includes a combustion chamber, a cap configured to receive a removable fuel injector and a surface igniter, a tip, an annular igniter wall extending from the cap to the tip and defining a radial extent of the combustion chamber, a structural wall coaxial with and surrounding the igniter wall, and an outlet passage within the tip which fluidly connects the combustion chamber to the combustor. The removable fuel injector extends through a fuel injector opening of the combustor case. The diameter of the fuel injector opening is wider than a fuel injector diameter of the removable fuel injector.
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公开(公告)号：US20220195936A1
公开(公告)日：2022-06-23
申请号：US17125114
申请日：2020-12-17
申请人： Delavan Inc.
摘要： An embodiment of a combustor for a gas turbine engine includes a combustor case, a combustor liner disposed within the combustor case, a fuel nozzle at an upstream end of the combustor liner, a torch igniter within the combustor case, and a removable fuel injector. The torch igniter includes a combustion chamber, a cap configured to receive a removable fuel injector and a surface igniter, a tip, an annular igniter wall extending from the cap to the tip and defining a radial extent of the combustion chamber, a structural wall coaxial with and surrounding the igniter wall, and an outlet passage within the tip which fluidly connects the combustion chamber to the combustor. The removable fuel injector extends through a fuel injector opening of the combustor case. The diameter of the fuel injector opening is wider than a fuel injector diameter of the removable fuel injector.
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