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公开(公告)号：US12152779B1
公开(公告)日：2024-11-26
申请号：US18453500
申请日：2023-08-22
Applicant: General Electric Company
Inventor： Pradeep Naik , Clayton S. Cooper , Perumallu Vukanti , Michael A. Benjamin , Steven C. Vise , Sripathi Mohan
Abstract: A combustor having a main chamber and a trapped vortex cavity. The main chamber includes an outer liner and an inner liner. The trapped vortex cavity extends from at least one of the outer liner or the inner liner. A plurality of mixing assemblies operably injects a fuel-air mixture into the trapped vortex cavity to produce combustion gases. The trapped vortex cavity injects the combustion gases into the main chamber. A steam system is in fluid communication with the main chamber. The steam system operably injecting steam into the main chamber such that the steam flows downstream of the trapped vortex cavity.
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公开(公告)号：US12092324B2
公开(公告)日：2024-09-17
申请号：US17655196
申请日：2022-03-17
Applicant: General Electric Company
Inventor： Kwanwoo Kim , Varun Lakshmanan , Sripathi Mohan , Vivekta Sharma
CPC classification number: F23D14/62 , F23D14/70 , F23D14/78 , F23R3/14 , F23D2214/00
Abstract: A flare cone for a mixer assembly includes an annular conical wall extending circumferentially about a mixer assembly centerline, the annular conical wall including a conical inner surface defining a conical opening of the annular conical wall, and an annular axial wall extending in a longitudinal direction with respect to the mixer assembly centerline, the annular axial wall disposed at a radially outward portion of the annular conical wall and connected to the annular conical wall. The annular conical wall and the annular axial wall define an annular step circumferentially about the mixer assembly centerline and extending upstream in the longitudinal direction between a downstream end of the annular conical wall and an aft surface of the annular axial wall.
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公开(公告)号：US20230366549A1
公开(公告)日：2023-11-16
申请号：US17931700
申请日：2022-09-13
Applicant: General Electric Company
Inventor： Hiranya Nath , Ravindra Shankar Ganiger , Sripathi Mohan
CPC classification number: F23R3/06 , F02C7/04 , F23R2900/03044
Abstract: A combustor includes a skeleton mesh structure having a plurality of structural elements configured to mesh together to form the skeleton mesh structure, each of the plurality of structural elements including a frame and, a plurality of louvers connected to the frame. The combustor also includes an inner liner mounted to the skeleton mesh structure to define a combustion chamber. The inner liner includes a plurality of inner planks mounted to the skeleton mesh structure, each of the plurality of inner planks being mounted to a corresponding one of the plurality of structural elements.
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公开(公告)号：US20230272912A1
公开(公告)日：2023-08-31
申请号：US17809629
申请日：2022-06-29
Applicant: General Electric Company
Inventor： Ravindra Shankar Ganiger , Hiranya Nath , Sripathi Mohan , Girish Kamath Cannanore
CPC classification number: F23R3/60 , F23R3/002 , F23R2900/00014 , F23R2900/00017 , F23R2900/03044
Abstract: A combustor for a gas turbine includes a dome, and a deflector connected to the dome to define a baffle cavity therebetween, the deflector having a deflector cold side adjacent to the baffle cavity and a deflector hot side adjacent to a combustion chamber. At least one dome-deflector connecting member connects the dome and the deflector to each other. The dome-deflector connecting member forms a flexible joint between the dome and the deflector.
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公开(公告)号：US20230220802A1
公开(公告)日：2023-07-13
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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Patent Agency Ranking
公开(公告)号：US20250075911A1
公开(公告)日：2025-03-06
申请号：US18949096
申请日：2024-11-15
Applicant: General Electric Company
Inventor： Pradeep Naik , Clayton S. Cooper , Perumallu Vukanti , Michael A. Benjamin , Steven C. Vise , Sripathi Mohan
Abstract: A combustor having a main chamber and a trapped vortex cavity. The main chamber includes an outer liner and an inner liner. The trapped vortex cavity extends from at least one of the outer liner or the inner liner. A plurality of mixing assemblies operably injects a fuel-air mixture into the trapped vortex cavity to produce combustion gases. The trapped vortex cavity injects the combustion gases into the main chamber. A steam system is in fluid communication with the main chamber. The steam system operably injecting steam into the main chamber such that the steam flows downstream of the trapped vortex cavity.
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公开(公告)号：US20250075910A1
公开(公告)日：2025-03-06
申请号：US18952330
申请日：2024-11-19
Applicant: GENERAL ELECTRIC COMPANY
Inventor： Pradeep Naik , Joseph Zelina , Sripathi Mohan , Perumallu Vukanti , Clayton S. Cooper , Michael A. Benjamin , Steven C. Vise , Karthikeyan Sampath
Abstract: A turbine engine with a compressor section, a combustion section, and a turbine section in serial flow arrangement along an engine centerline. A combustion section for the turbine engine, having a primary combustor liner including an inner liner and an outer liner annular about an engine centerline. A dome wall extending between the inner liner and the outer liner. A set of primary dome inlets located in the dome wall and circumferentially arranged about the engine centerline. A set of secondary combustors fluidly coupled to a primary combustion chamber, the set of secondary combustors including a first mini combustor and a second mini combustor.
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公开(公告)号：US20250067214A1
公开(公告)日：2025-02-27
申请号：US18501484
申请日：2023-11-03
Applicant: General Electric Company
Inventor： Perumallu Vukanti , Pradeep Naik , Saket Singh , Michael A. Benjamin , Sripathi Mohan , Clayton S. Cooper , Rajendra Wankhade , Hiranya Nath , Nicholas R. Overman , Steven C. Vise
Abstract: A combustor includes a combustion chamber and an annular dome. The combustion chamber includes an outer liner and an inner liner and has a combustion zone. The annular dome is coupled to the outer liner and the inner liner. A plurality of mixing assemblies operably injects a fuel-air mixture into the combustion zone of the combustion chamber to produce combustion gases. A combustor steam system is in fluid communication with the combustion chamber. The combustor steam system includes a steam path defined by at least one of the outer liner, the inner liner, or the annular dome. The combustor steam system operably directs steam through the steam path from the at least one of the outer liner, the inner liner, or the annular dome and into the combustion chamber.
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公开(公告)号：US20240401811A1
公开(公告)日：2024-12-05
申请号：US18326639
申请日：2023-05-31
Applicant: General Electric Company
Inventor： Hiranya Nath , Clayton S. Cooper , Richard W. Stickles , Michael A. Benjamin , Dharmaraj Pachaiappan , Ranganatha Narasimha Chiranthan , Sripathi Mohan
Abstract: A combustor for a turbine engine includes a combustion chamber including an outer liner and an inner liner, and an annular dome. A plurality of first mixing assemblies includes a pilot mixer and a first main mixer, the first mixing assemblies disposed through the annular dome. The pilot mixer injects a pilot mixer fuel-air mixture axially into a first combustion zone, and the first main mixer injects a first main mixer fuel-air mixture radially into the first combustion zone. A plurality of second mixing assemblies includes a second main mixer, the second mixing assemblies being axially aft of the plurality of first mixing assemblies. The second main mixer injects a second main mixer fuel-air mixture radially into a second combustion zone that is axially aft of, and separate from, the first combustion zone.
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公开(公告)号：US20240247803A1
公开(公告)日：2024-07-25
申请号：US18324313
申请日：2023-05-26
Applicant: General Electric Company
Inventor： Ravindra Shankar Ganiger , Hiranya Nath , Asim Ghosal , Sripathi Mohan , Nageswar Ganji
Abstract: A dome-deflector assembly for a combustor of a gas turbine includes a dome portion having a dome-side swirler opening therethrough, and a deflector portion having a deflector-side swirler opening therethrough. The dome portion and the deflector portion are connected together to form a dome-deflector cavity therebetween. The deflector portion includes a first-side surface and a second-side surface, the second-side surface being arranged within the dome-deflector cavity, and the second-side surface including a plurality of stress-relief contours arranged in a pattern about the deflector-side swirler opening.
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