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公开(公告)号：US10775047B2
公开(公告)日：2020-09-15
申请号：US15363414
申请日：2016-11-29
Applicant: KAWASAKI JUKOGYO KABUSHIKI KAISHA , B&B AGEMA GmbH
Inventor： Atsushi Horikawa , Masahide Kazari , Kunio Okada , Junichi Kitajima , Harald Funke , Karsten Kusterer , Anis Haj Ayed
Abstract: A combustor includes: a combustion liner having a combustion chamber formed therein; and a fuel injector mounted to a top portion of the combustion liner, and including a fuel injection member having a plurality of fuel injection annular portions and an air guide member including a plurality of combustion air annular portions that guide air for combustion. The fuel injection annular portions and the combustion air annular portions are arranged concentrically and alternately. The fuel injector injects fuel and air into the combustion chamber. Each of the fuel injection annular portions includes a plurality of fuel injection holes that are open in a radial direction thereof, and each of the combustion air annular portions includes a plurality of air guide grooves that are open in an axial direction thereof, and guide the air to the fuel jetted from the fuel injection holes.
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公开(公告)号：US10302304B2
公开(公告)日：2019-05-28
申请号：US15508708
申请日：2015-09-28
Applicant: KAWASAKI JUKOGYO KABUSHIKI KAISHA
Inventor： Atsushi Horikawa , Kunio Okada , Seiji Yamashita , Masahide Kazari , Takeo Oda
Abstract: A fuel injector (23) comprises a cylindrical passage (32) which opens in a combustion chamber (26), a fuel introduction passage (34) which guides fuel to a region of the cylindrical passage (32) which is closer to the combustion chamber (26), and an air introduction passage (35) which guides compressed air to the cylindrical passage (32) at a location that is upstream of a location at which the fuel is introduced to the cylindrical passage (32), wherein the fuel introduction passage (34) guides the fuel in a tangential direction of the cylindrical passage (32) in a transverse sectional view.
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公开(公告)号：US10132499B2
公开(公告)日：2018-11-20
申请号：US14557877
申请日：2014-12-02
Inventor： Ryusuke Matsuyama , Masayoshi Kobayashi , Atsushi Horikawa , Hitoshi Fujiwara
Abstract: A fuel injection device for supplying a fuel to a compressed air includes: a pilot fuel injector; a main fuel injector located at an outer periphery of the pilot fuel injector; and an air injection unit located between an outlet end portion of the pilot fuel injector and the main fuel injector. The air injection unit includes: a partition wall plate separating the air injection unit from a combustion chamber; a flame stabilization plate provided at a downstream side of the partition wall plate; a first opening at a downstream side between the flame stabilization plate and the outlet end portion of the pilot fuel injector; and a second opening provided in the partition wall plate and through which the compressed air is supplied. The flame stabilization plate includes an inclined portion inclined in a radially outward and downstream direction with respect to an axis.
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公开(公告)号：US12163662B2
公开(公告)日：2024-12-10
申请号：US18518811
申请日：2023-11-24
Applicant: KAWASAKI JUKOGYO KABUSHIKI KAISHA
Inventor： Daniel Kroniger , Atsushi Horikawa
IPC: F23R3/28
Abstract: A gas turbine combustor includes a fuel injection device provided to a combustion tube forming a combustion chamber on an inner side, and including: a fuel injection portion having a plurality of fuel injection holes which inject fuel in directions containing components perpendicular to an axial direction and a common fuel supply chamber which supplies fuel into the plurality of fuel injection holes; and an air guide portion which guides air to fuel injected from each fuel injection hole. The fuel injection portion has an air guide surface which guides air for combustion and is located frontward in the axial direction of the combustion chamber relative to the fuel injection hole. A fuel injection opening of the fuel injection hole is provided at a bottom wall surface of a stepped recess recessed in a step shape from the air guide surface.
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公开(公告)号：US11421599B2
公开(公告)日：2022-08-23
申请号：US16680718
申请日：2019-11-12
Applicant: KAWASAKI JUKOGYO KABUSHIKI KAISHA
Inventor： Atsushi Horikawa , Masahide Kazari , Kunio Okada , Kazuki Koga
Abstract: A gas turbine combustor including a fuel injector having a plurality of annular fuel injection portions in each of which multiple fuel injection holes are formed, is provided with: an auxiliary fuel introduction passage for introducing an auxiliary fuel that is to be supplied to an auxiliary fuel injection portion that is a part of the plurality of annular fuel injection portions, into the fuel injector; a first main fuel introduction passage provided with a flow regulating valve for introducing a main fuel that is to be supplied to a main fuel injection portion that is an annular fuel injection portion other than the auxiliary fuel injection portion, into the fuel injector; and a second main fuel introduction passage provided with a flow regulating valve for introducing the main fuel that is to be supplied to the auxiliary fuel injection portion, into the fuel injector.
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Patent Agency Ranking
公开(公告)号：US10330050B2
公开(公告)日：2019-06-25
申请号：US15051876
申请日：2016-02-24
Applicant: KAWASAKI JUKOGYO KABUSHIKI KAISHA
Inventor： Kunio Okada , Atsushi Horikawa
IPC: F23R3/28 , F23R3/14 , F02C7/22 , F02C3/30 , F02M25/028 , F23R3/32 , F01K21/04 , F23L7/00 , F02M9/00 , F23D14/62 , F23R3/22 , F23R3/16
Abstract: A fuel injection device, for a gas turbine, which enhances uniform distribution in concentration of fuel gas and water vapor in a combustion chamber with simple structure and at low cost to effectively reduce NOx, is provided. The fuel injection device with a fuel nozzle to mix fuel gas and water vapor and inject the fuel gas and water vapor into a combustion chamber, includes: a nozzle housing having a mixing chamber thereinside; a first introduction passage to introduce the fuel gas into the mixing chamber from outside of the nozzle housing; and a second introduction passage to introduce the water vapor into the mixing chamber from an outside of the nozzle housing; and a plurality of reverse passages communicating with a downstream end of the mixing chamber and configured to allow for a plurality of reverses of flow of mixed gas from the mixing chamber.
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公开(公告)号：US12196130B2
公开(公告)日：2025-01-14
申请号：US18564685
申请日：2022-05-31
Applicant: KAWASAKI JUKOGYO KABUSHIKI KAISHA
Inventor： Hiromu Kamiya , Yoshichika Sato , Atsushi Horikawa
Abstract: A gas turbine combustor includes: a tubular body; an air passage; and a resonator. The air passage includes: an upstream region that extends along an outer peripheral surface of the tubular body; a downstream region that extends along an inner peripheral surface of the tubular body and is located at a first side of the combustion chamber in the axial direction; and a direction change region that connects the upstream region to the downstream region in a radial direction of the tubular body and is adjacent to the upstream region such that an area of a section of the air passage which is orthogonal to the axial direction changes at a position between the upstream region and the direction change region. The opening is open toward a space of the air passage which is located downstream of the upstream region.
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公开(公告)号：US10443853B2
公开(公告)日：2019-10-15
申请号：US15051993
申请日：2016-02-24
Applicant: KAWASAKI JUKOGYO KABUSHIKI KAISHA
Inventor： Kunio Okada , Atsushi Horikawa
IPC: F02C3/30 , F23R3/28 , F23D11/10 , F23D11/16 , F02C3/20 , F23D17/00 , F23C1/04 , F23R3/36 , F02C7/22 , F23L7/00
Abstract: A fuel injection device, for a gas turbine, which enhances uniform distribution in concentration of fuel gas and water vapor in a combustion chamber with a simple structure and at low cost to effectively reduce NOx, is provided. The fuel injection device mixes fuel gas and water vapor and injects fuel gas and water vapor into a combustion chamber. The fuel injection device includes a nozzle housing having a mixing chamber, and the nozzle housing includes a first introduction passage to introduce fuel gas from an outer circumference of the nozzle housing in a circumferential direction of the mixing chamber; and a second introduction passage to introduce water vapor from the outer circumference of the nozzle housing in a circumferential direction of the mixing chamber. Fuel gas and water vapor are swirled about an axis C of the mixing chamber and mixed in the mixing chamber.
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公开(公告)号：US09109553B2
公开(公告)日：2015-08-18
申请号：US13908578
申请日：2013-06-03
Inventor： Ryusuke Matsuyama , Masayoshi Kobayashi , Atsushi Horikawa , Hitoshi Fujiwara
CPC classification number: F02M23/12 , F23R3/14 , F23R3/286 , F23R3/343 , Y02T10/146
Abstract: A fuel injector includes a pilot fuel injector, configured to inject the fuel into a combustion chamber, and a main fuel injector provided coaxially with the pilot fuel injector so as to surround the pilot fuel injector and configured to have a main flow path to generate a premixed air-fuel mixture. The main flow path includes an outer main air passage located radially outwardly and configured to supply a compressed air in an axial direction into an annular premixed air-fuel mixture passage, an inner main air passage located radially inwardly and configured to supply the compressed air into the premixed air-fuel mixture passage from a radially inner side. The injector further includes a main fuel injection port to inject the fuel from an axially upstream side into the inner main air passage.
Abstract translation: 燃料喷射器包括引燃燃料喷射器，其被配置为将燃料喷射到燃烧室中;以及主燃料喷射器，其与引燃燃料喷射器同轴地设置，以围绕引燃燃料喷射器并且构造成具有主流路以产生 预混合空气燃料混合物。 主流路包括径向向外设置的外部主空气通道，其构造成沿轴向将压缩空气供应到环形预混合空气 - 燃料混合物通道中，径向向内设置的内部主空气通道，并且构造成将压缩空气供应到 预混合空气燃料混合物通道从径向内侧。 喷射器还包括用于将燃料从轴向上游侧喷射到内部主空气通道中的主燃料喷射口。
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公开(公告)号：US11892162B2
公开(公告)日：2024-02-06
申请号：US17599784
申请日：2020-03-25
Applicant: KAWASAKI JUKOGYO KABUSHIKI KAISHA
Inventor： Yuta Uchiyama , Takahiro Uto , Atsushi Horikawa
Abstract: A premixed combustion burner includes: a mixing part including a first peripheral wall having a center burner axis, a mixing region for mixing fuel and air in the first peripheral wall, and air supply ports arranged circumferentially and open in the first peripheral wall; a nozzle on the mixing part side, a second peripheral wall having a center burner axis, a premixed gas passage continuous to the second peripheral wall mixing region, and a cooling passage in the second peripheral wall; and a header part proximal to the mixing part, and a first header chamber with a fuel supply port, second header chamber, and fuel ejection port for communication between the second header chamber and mixing region. The first peripheral wall has an outward path connecting the first header chamber and a cooling passage inlet, and a return path connecting cooling passage outlet and the second header chamber.
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