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公开(公告)号：US20170218852A1
公开(公告)日：2017-08-03
申请号：US15012473
申请日：2016-02-01
Applicant: General Electric Company
Inventor： Joseph Philip Klosinski , Alston Ilford Scipio , Alex Clinton Solomon , Sanji Ekanayake , Hannah Louise Dombek
CPC classification number: F02C9/18 , F02C7/047 , F05D2220/32 , F05D2260/232 , F05D2270/101
Abstract: An inlet bleed heat system for use with a turbine assembly includes a first discharge line coupled in flow communication between a compressor and an intake manifold assembly. A first control valve that is coupled to the first discharge line and operable to control a first discharge flow through the first discharge line from the compressor to the intake manifold assembly during a first operational mode. A second discharge line that is coupled in flow communication between the compressor and the intake manifold assembly and a second control valve that is coupled to the second discharge line and operable to control a second discharge flow through the second discharge line from the compressor to the intake manifold assembly during a second operational mode.
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公开(公告)号：US20170167377A1
公开(公告)日：2017-06-15
申请号：US14969079
申请日：2015-12-15
Applicant: General Electric Company
CPC classification number: F02C6/06 , F01D25/305 , F01K17/02 , F01K17/06 , F01K23/10 , F02C3/04 , F02C6/08 , F02C6/18 , F02C7/141 , F02C7/185 , F02C9/18 , H02K7/1823 , Y02E20/14 , Y02E20/16
Abstract: A power plant includes a turbine disposed downstream from a combustor. The turbine includes an 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 extraction port and to an air supply 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. The cooled combustion gas mixes with the exhaust gas within the exhaust duct to provide a heated exhaust gas mixture to a heat exchanger disposed downstream from the exhaust duct. The heat exchanger may extract thermal energy from the exhaust gas mixture to produce steam.
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公开(公告)号：US20170167376A1
公开(公告)日：2017-06-15
申请号：US14969067
申请日：2015-12-15
Applicant: General Electric Company
Inventor： Joseph Philip Klosinski , Michael Anthony Cocca , Alston Ilford Scipio , Sanji Ekanayake , Jason Brian Shaffer
CPC classification number: F02C6/06 , F01D25/305 , F01K23/10 , F01K23/101 , F02C3/04 , F02C6/18 , H02K7/1823 , Y02E20/14 , Y02E20/16
Abstract: A power plant includes a turbine having a plurality of turbine stages and an extraction port in fluid communication with one or more of the turbine stages. The extraction port 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. The exhaust duct is fluid communication with the extraction port. A coolant injection system injects a coolant into the stream of combustion gas to provide cooled combustion gas to the exhaust duct. The cooled combustion gas flows into the exhaust duct at a temperature that is higher than a temperature of the exhaust gas, thereby increasing the temperature of the exhaust gas within the exhaust duct. The increase in thermal energy may be used to produce steam downstream from the exhaust duct.
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公开(公告)号：US20170167300A1
公开(公告)日：2017-06-15
申请号：US14969051
申请日：2015-12-15
Applicant: General Electric Company
Inventor： George Vargese Mathai , Alston Ilford Scipio , Harold Lamar Jordan, JR. , Sanji Ekanayake , Joseph Philip Klosinski
CPC classification number: F01D25/30 , F01K23/101 , F02C6/18 , F02C9/20 , F05D2270/05 , F05D2270/053 , Y02E20/14 , Y02E20/16
Abstract: A system for controlling gas turbine output for a gas turbine power plant is disclosed herein. The power plant includes a gas turbine including a combustor downstream from a compressor, a turbine downstream from the combustor and an exhaust duct downstream from the outlet of the turbine. The exhaust duct receives exhaust gas from the turbine outlet. The system further includes an exhaust damper operably connected to a downstream end of the exhaust duct. The exhaust damper increases backpressure at the turbine outlet and restricts axial exit velocity of the exhaust gas exiting the turbine outlet when the exhaust damper is partially closed. A method for controlling gas turbine output is also provided herein.
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公开(公告)号：US20160123190A1
公开(公告)日：2016-05-05
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.
Abstract translation: 一种从燃气轮机抽取气体的方法和系统，其具有放置在涡轮部分处的至少一个气体提取机构，其通过涡轮机壳体从涡轮机级直接提取废气，提供从涡轮部分延伸穿过的第一排气路径 排气部分到废气出口，以及用于抽出废气的第二排气路径，其直接从涡轮机壳体内的涡轮级直接延伸到涡轮壳体外部的管道。 气体提取系统和方法可应用于热电联产系统。
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Patent Agency Ranking
26.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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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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