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公开(公告)号:US12072100B1
公开(公告)日:2024-08-27
申请号:US18503751
申请日:2023-11-07
Applicant: General Electric Company
Inventor: Pradeep Naik , Shai Birmaher , Saket Singh , Narasimhan Suresh Sahana , Kwanwoo Kim
Abstract: A combustor for an aircraft gas turbine engine includes a dome structure, a swirler assembly connected to the dome structure, and a cowl connected to the dome structure and defining a plenum between the dome structure and the cowl, and surrounding the swirler assembly. The cowl includes an airflow opening through an upstream wall portion of the cowl for providing a flow of compressed air into the plenum. In addition, the cowl includes a cowl steam channel therewithin and a plurality of steam injection nozzles that provide a flow of steam from the cowl steam channel into the plenum.
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公开(公告)号:US12072099B2
公开(公告)日:2024-08-27
申请号:US17682510
申请日:2022-02-28
Applicant: General Electric Company
Inventor: Pradeep Naik , Perumallu Vukanti , Michael T. Bucaro , Steven C. Vise , Ajoy Patra , R Narasimha Chiranthan , Manampathy G. Giridharan , Michael A. Benjamin , Clayton S. Cooper , Dharmaraj Pachaiappan
Abstract: An engine can utilize a combustor to combust fuel to drive the engine. A fuel nozzle assembly can supply fuel to the combustor for combustion or ignition of the fuel. The fuel nozzle assembly can include a swirler and a fuel nozzle to supply a mixture of fuel and air for combustion. Increasing efficiency and meeting emission needs can be met with the use of alternative fuels, which combust at higher temperatures or higher speeds than traditional fuels, requiring improved fuel introduction without the occurrence of flame holding or flashback.
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公开(公告)号:US12055293B2
公开(公告)日:2024-08-06
申请号:US17932806
申请日:2022-09-16
Applicant: General Electric Company
Inventor: Perumallu Vukanti , Karthikeyan Sampath , Pradeep Naik , Ranganatha Narasimha Chiranthan , Rimple Rangrej , Hiranya Nath , Ravindra Shankar Ganiger
CPC classification number: F23R3/06 , F23R3/002 , F23R2900/00017 , F23R2900/03042
Abstract: A combustor for a gas turbine has a combustor liner including an upstream liner portion, and a downstream liner portion. The upstream liner portion includes an outer shell and a heat shield panel, with a baffle cavity therebetween. The outer shell includes an outer shell cooling opening for providing a flow of compressed air to the baffle cavity, and the heat shield panel includes a heat shield panel cooling opening at a downstream end of the heat shield panel. A fence is arranged at a downstream side of the heat shield panel cooling opening and extends beyond a hot side surface of the heat shield panel into a combustion chamber. The heat shield panel cooling opening provides a flow of the compressed air therethrough from the baffle cavity for cooling of the heat shield panel and for providing at least partial dilution of combustion gases within the combustion chamber.
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公开(公告)号:US20240230091A9
公开(公告)日:2024-07-11
申请号:US17969913
申请日:2022-10-20
Applicant: GENERAL ELECTRIC COMPANY
Inventor: Pradeep Naik , Perumallu Vukanti , Michael T. Bucaro , Sibtosh Pal , Michael A. Benjamin , Bhavya Naidu Panduri , Aritra Chakraborty , Pabitra Badhuk
CPC classification number: F23R3/28 , F02C7/22 , F23R3/002 , F05D2220/32 , F05D2240/35
Abstract: A combustor including an annular liner, a dome wall, a combustion chamber, at least one fuel cup and at least one dilution passage. The fuel cup being provided on the dome wall and being fluidly coupled to the combustion chamber. The fuel cup defining a fuel cup centerline. The at least on dilution passage terminating in at least on slot opening onto the dome wall, with the at least one slot having a longitudinal body axis.
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公开(公告)号:US12031486B2
公开(公告)日:2024-07-09
申请号:US17717636
申请日:2022-04-11
Applicant: GENERAL ELECTRIC COMPANY
Inventor: Michael T. Bucaro , Manampathy G. Giridharan , Pradeep Naik , Sripathi Mohan , Michael A. Benjamin , Steven C. Vise , Ajoy Patra , Perumallu Vukanti , R Narasimha Chiranthan
Abstract: A turbine engine and method of operation with a combustor as shown and described. The turbine engine including a combustor comprising an annular array of rich cups and an annular array of lean cups. A method for controlling nitrogen oxides including injecting a fuel/air mixture from the lean cups and the rich cups.
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公开(公告)号:US20240183536A1
公开(公告)日:2024-06-06
申请号:US18409690
申请日:2024-01-10
Applicant: GENERAL ELECTRIC COMPANY
Inventor: Michael T. Bucaro , Ajoy Patra , Pradeep Naik , Perumallu Vukanti , R Narasimha Chiranthan , Clayton Stuart Cooper , Michael A. Benjamin , Steven C. Vise , Manampathy G. Giridharan , Krushnakumar Venkatesan, V
Abstract: An engine can utilize a combustor to combust fuel to drive the engine. A fuel nozzle assembly can supply fuel to the combustor for combustion or ignition of the fuel. The fuel nozzle assembly can include a swirler and a fuel nozzle to supply a mixture of fuel and air for combustion. The fuel nozzle can include both a primary and secondary fuel passage, and an additional air passage to provide for greater flame control, fuel provision, or local fuel and air mixing prior to combustion.
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公开(公告)号:US11971172B2
公开(公告)日:2024-04-30
申请号:US17509470
申请日:2021-10-25
Applicant: General Electric Company
Inventor: David A. Lind , Ajoy Patra , Ting-Yu Tu , Pradeep Naik , Gregory A. Boardman
Abstract: A premixer assembly for a combustor includes: at least one ring of premixers, each premixer having a central axis, an annular peripheral wall surrounding a centerbody, and at least one swirler disposed between the centerbody and the peripheral wall, wherein the peripheral wall defines an inlet area of the premixer; and a lip extending forward along the central axis from the peripheral wall, the lip extending at an oblique angle to the axis of symmetry.
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公开(公告)号:US20240133553A1
公开(公告)日:2024-04-25
申请号:US17969913
申请日:2022-10-19
Applicant: GENERAL ELECTRIC COMPANY
Inventor: Pradeep Naik , Perumallu Vukanti , Michael T. Bucaro , Sibtosh Pal , Michael A. Benjamin , Bhavya Naidu Panduri , Aritra Chakraborty , Pabitra Badhuk
CPC classification number: F23R3/28 , F02C7/22 , F23R3/002 , F05D2220/32 , F05D2240/35
Abstract: A combustor including an annular liner, a dome wall, a combustion chamber, at least one fuel cup and at least one dilution passage. The fuel cup being provided on the dome wall and being fluidly coupled to the combustion chamber. The fuel cup defining a fuel cup centerline. The at least on dilution passage terminating in at least on slot opening onto the dome wall, with the at least one slot having a longitudinal body axis.
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公开(公告)号:US11965653B2
公开(公告)日:2024-04-23
申请号:US17355689
申请日:2021-06-23
Applicant: General Electric Company
Inventor: Ranganatha Narasimha Chiranthan , Rimple Rangrej , Saket Singh , Pradeep Naik , Gregory A. Boardman
IPC: F23R3/06
CPC classification number: F23R3/06 , F23R2900/03045
Abstract: A combustor for a gas turbine engine has a combustor liner that has a cold surface side and a hot surface side, the liner defining an upstream end and a downstream end, and a dilution opening through the combustor liner. The dilution opening includes a main dilution hole portion having an upstream edge and a downstream edge, a notched portion disposed at the upstream edge and extending upstream from the upstream edge, the notched portion being in fluid communication with the main dilution hole portion, and a slotted portion disposed at the downstream edge and extending downstream of the downstream edge, the slotted portion being in fluid communication with the main dilution hole portion.
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公开(公告)号:US20230383949A1
公开(公告)日:2023-11-30
申请号:US17932806
申请日:2022-09-16
Applicant: General Electric Company
Inventor: Perumallu Vukanti , Karthikeyan Sampath , Pradeep Naik , Ranganatha Narasimha Chiranthan , Rimple Rangrej , Hiranya Nath , Ravindra Shankar Ganiger
IPC: F23R3/06
CPC classification number: F23R3/06 , F23R2900/00017 , F23R2900/03042
Abstract: A combustor for a gas turbine has a combustor liner including an upstream liner portion, and a downstream liner portion. The upstream liner portion includes an outer shell and a heat shield panel, with a baffle cavity therebetween. The outer shell includes an outer shell cooling opening for providing a flow of compressed air to the baffle cavity, and the heat shield panel includes a heat shield panel cooling opening at a downstream end of the heat shield panel. A fence is arranged at a downstream side of the heat shield panel cooling opening and extends beyond a hot side surface of the heat shield panel into a combustion chamber. The heat shield panel cooling opening provides a flow of the compressed air therethrough from the baffle cavity for cooling of the heat shield panel and for providing at least partial dilution of combustion gases within the combustion chamber.
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