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公开(公告)号：US20220389832A1
公开(公告)日：2022-12-08
申请号：US17338010
申请日：2021-06-03
Applicant: General Electric Company
Inventor： Alston Ilford Scipio , Justin Todd Eggart , Colin Noel Stevens , Sanji Ekanayake
Abstract: A system comprises a gas turbine engine including a compressor, combustor, gas turbine, the combustor including a plurality of late lean fuel injectors; and wash system configured to be attached to and in fluid communication with the a plurality of late lean fuel injectors of the combustor. The wash system includes a water source supplying water; a first fluid source supplying a first fluid; a mixing chamber in communication with the water source and first fluid source; a water pump to pump water to the mixing chamber; a first fluid pump to pump the first fluid to the mixing chamber; a fluid line in fluid communication with the mixing chamber and at least one of the plurality of late lean fuel injectors so fluid from the mixing chamber is injected into the combustor at late lean fuel injectors. The wash system is operated with the gas turbine engine off-line.
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公开(公告)号：US11365677B2
公开(公告)日：2022-06-21
申请号：US16829731
申请日：2020-03-25
Applicant: General Electric Company
Inventor： Joseph Klosinski , Sanji Ekanayake , Alston Ilford Scipio , George Vargese Mathai
Abstract: A combined cycle power plant that includes a first gas turbine engine including a first turbine section, a second gas turbine engine including a second turbine section having an aft outlet configured to discharge an exhaust gas stream, an emissions reduction system configured to receive the exhaust gas stream discharged from the second gas turbine engine, and configured to remove oxides of nitrogen from the exhaust gas stream, and an interstage extraction system communicatively coupled with the first turbine section. The interstage extraction system is configured to selectively extract turbine extraction air from the first turbine section for providing heat to the emissions reduction system.
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公开(公告)号：US10975774B2
公开(公告)日：2021-04-13
申请号：US14571322
申请日：2014-12-16
Applicant: GENERAL ELECTRIC COMPANY
Abstract: The present application provides a gas turbine engine. The gas turbine engine may include a compressor, a compressor wash system in communication with the compressor, a condensate or boiler feed water system in communication with the compressor, and a dosing system in communication with the condensate or boiler feed water system.
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134.发明授权公开(公告)号：US10415476B2
公开(公告)日：2019-09-17
申请号：US14969118
申请日：2015-12-15
Applicant: General Electric Company
Abstract: A power plant includes a first gas turbine and a second gas turbine. The first gas turbine includes a turbine extraction port that is in fluid communication with a hot gas path of the turbine and an exhaust duct that receives exhaust gas from the turbine outlet. The power plant further includes a first gas cooler having a primary inlet fluidly coupled to the turbine extraction port, a secondary inlet fluidly coupled to a coolant supply system and an outlet in fluid communication with the exhaust duct. The first gas cooler provides a cooled combustion gas to the exhaust duct which mixes with the exhaust gas to provide an exhaust gas mixture to a first heat exchanger downstream from the exhaust duct. At least one of a compressor and a turbine of the second gas turbine are in fluid communication with the outlet of the first gas cooler.
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公开(公告)号：US10337357B2
公开(公告)日：2019-07-02
申请号：US15420776
申请日：2017-01-31
Applicant: General Electric Company
Inventor： George Vargese Mathai , Joseph Philip Klosinski , Sanji Ekanayake , Alston Ilford Scipio , William Theadore Fisher
Abstract: The present application provides a power generation system. The power generation system may include a gas turbine engine, a steam turbine, and a steam turbine preheating system. The steam turbine preheating system may include a steam generator that creates a flow of steam to preheat the steam turbine from an extraction of the gas turbine engine.
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Patent Agency Ranking
公开(公告)号：US10316759B2
公开(公告)日：2019-06-11
申请号：US15168695
申请日：2016-05-31
Applicant: General Electric Company
Inventor： Parag Prakash Kulkarni , Lewis Berkley Davis, Jr. , Sanji Ekanayake , Alston Ilford Scipio
IPC: F01N3/05 , F01N3/20 , F01N3/22 , F01N3/30 , F02C3/34 , F02C7/14 , F02C7/18 , F02C9/20 , F02C7/057
Abstract: An airflow control system control system for a gas turbine system according to an embodiment includes: an airflow generation system including a plurality of air moving systems for selective attachment to a rotatable shaft of a gas turbine system, the airflow generation system drawing in an excess flow of air through an air intake section; and a mixing area for receiving an exhaust gas stream of the gas turbine system; the airflow generation system: directing a first portion and a second portion of the excess flow of air generated by the airflow generation system into the mixing area to reduce a temperature of the exhaust gas stream; and directing a third portion of the excess flow of air generated by the airflow generation system into a discharge chamber of a compressor component of the gas turbine system.
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公开(公告)号：US10272475B2
公开(公告)日：2019-04-30
申请号：US13670511
申请日：2012-11-07
Applicant: General Electric Company
Inventor： Alston Ilford Scipio , Sanji Ekanayake
Abstract: The present application thus provides a wash system for use with a compressor having a bellmouth and one or more extraction pipes. The wash system may include a water source, a first fluid source, a mixing chamber in communication with the water source and the first fluid source, a bellmouth line in communication with the mixing chamber and the bellmouth, and a stage line in communication with one of the extraction pipes.
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138.发明授权公开(公告)号：US09970354B2
公开(公告)日：2018-05-15
申请号：US14969098
申请日：2015-12-15
Applicant: General Electric Company
CPC classification number: F02C6/06 , F01D25/305 , F01K17/02 , F01K23/10 , F02C3/04 , F02C6/18 , F02C7/141 , H02K7/1823 , Y02E20/14 , Y02E20/16
Abstract: A power plant includes a compressor, a combustor downstream from the compressor and a turbine disposed downstream from the combustor. The compressor includes a compressor extraction port. The turbine includes a turbine extraction port that is in fluid communication with a hot gas path of the turbine and which provides a flow path for a stream of combustion gas to flow out of the turbine. An exhaust duct is disposed downstream from the turbine and receives exhaust gas from the turbine. An ejector coupled to the turbine extraction port and to the compressor extraction port cools the stream of combustion gas upstream from the exhaust duct. The cooled combustion gas flows into the exhaust duct at a higher temperature than the exhaust gas and mixes with the exhaust gas within the exhaust duct to provide a heated exhaust gas mixture to a heat exchanger downstream from the exhaust duct.
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公开(公告)号：US09890710B2
公开(公告)日：2018-02-13
申请号：US14969032
申请日：2015-12-15
Applicant: General Electric Company
Inventor： Joseph Philip Klosinski , Alston Ilford Scipio , Sanji Ekanayake
CPC classification number: F02C6/06 , F01D25/305 , F01K7/16 , F01K23/10 , F02C1/06 , F02C3/04 , F02C3/30 , F02C6/18 , F02C9/18 , F05D2220/31 , F05D2260/212 , H02K7/1823 , Y02E20/14 , Y02E20/16
Abstract: A power plant includes a gas turbine having a combustor downstream from a compressor, a turbine disposed downstream from the combustor and an exhaust duct downstream from an outlet of the turbine. The combustor includes an extraction port that is in fluid communication with a hot gas path of the combustor. The extraction port defines a flow path for a stream of combustion gas to flow out of the hot gas path. The exhaust duct receives exhaust gas from the turbine outlet. A coolant injection system injects a coolant into the stream of combustion gas upstream from the exhaust duct such that the stream of combustion gas blends with the exhaust gas from the turbine within the exhaust duct and forms an exhaust gas mixture within the exhaust duct. A heat exchanger is disposed downstream from the exhaust duct and receives the exhaust gas mixture from the exhaust duct.
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公开(公告)号：US09890709B2
公开(公告)日：2018-02-13
申请号：US14531692
申请日：2014-11-03
Applicant: General Electric Company
Inventor： Joseph Philip Klosinski , Michael Anthony Cocca , Alston Ilford Scipio , Patrick C. Bowling , Sanji Ekanayake
Abstract: A method and system to extract gas from a gas turbine having at least one gas extraction mechanism placed at the turbine section that extracts exhaust gas directly from the turbine stages through the turbine casing, providing a first exhaust gas path that extends from the turbine section through the exhaust section to the exhaust gas outlet, and a second exhaust gas path for extracted exhaust gas extending directly from the turbine stages inside the turbine casing to a duct outside of the turbine casing. The gas extraction system and method can be applied to a cogeneration system.
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