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公开(公告)号：US20170175610A1
公开(公告)日：2017-06-22
申请号：US14978477
申请日：2015-12-22
Applicant: General Electric Company
Inventor： Maruthi Narasinga Rao Devarakonda , Constantin Dinu
CPC classification number: F01N11/007 , B01D53/9477 , B01D53/9495 , B01D2251/2062 , B01D2251/2067 , F01N3/021 , F01N3/035 , F01N3/103 , F01N3/2066 , F01N3/208 , F01N13/009 , F01N2250/02 , F01N2560/02 , F01N2560/08 , F01N2560/14 , F01N2590/10 , F01N2610/02 , F01N2900/1402 , F01N2900/1406 , F01N2900/1606 , F01N2900/1622 , F05D2270/082 , F05D2270/0831 , F23G7/07 , F23J15/02 , F23J2219/10 , Y02E20/12 , Y02T10/24
Abstract: A system, includes an emissions reduction system, including a catalyst system comprising an oxidation catalyst assembly and a selective catalytic reduction catalyst assembly. The system includes a diesel particulate fuel assembly, a first and a second sensor upstream of the catalyst system configured to measure emissions of the exhaust flow of the gas engine and a gas turbine before flowing into the catalyst system to generate a first and a second signal. A third sensor is downstream of the catalyst system to measure emissions of the catalyst system to generate a third signal, and a fourth and a fifth sensor disposed upstream and downstream of the DPF assembly to measure a change in pressure to generate a fourth signal and a controller to generate a first control signal to control an amount of reductant based on at least the first, second, and third signals.
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公开(公告)号：US20170138285A1
公开(公告)日：2017-05-18
申请号：US14942201
申请日：2015-11-16
Applicant: General Electric Company
CPC classification number: F02D41/0295 , F01N3/101 , F01N3/2066 , F01N9/00 , F01N11/00 , F01N11/007 , F01N2550/02 , F01N2900/0412 , F01N2900/0422 , F02D41/0235 , F02D41/2454 , Y02T10/22
Abstract: A system includes an exhaust treatment system configured to treat emissions from a combustion engine via a catalyst. The system includes a controller configured to obtain an operating parameter indicating catalyst performance. The controller is configured to determine a deterioration factor indicating deterioration of the catalyst based at least in part on the operating parameter. The controller is configured to determine an adaptation term configured to modify an air-fuel ratio command for the combustion engine to account for the deterioration.
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3.发明授权公开(公告)号：US09435246B2
公开(公告)日：2016-09-06
申请号：US14083823
申请日：2013-11-19
Applicant: General Electric Company
Inventor： Maruthi Narasinga Rao Devarakonda
IPC: G01N30/96 , G01N7/00 , G01N21/00 , G01N27/00 , G01N31/00 , G01N33/00 , F01N11/00 , F01N3/10 , F01N3/20 , F01N9/00
CPC classification number: F01N11/007 , F01N3/101 , F01N3/2066 , F01N9/00 , F01N11/00 , F01N2550/02 , F01N2560/021 , F01N2560/022 , F01N2560/025 , F01N2560/026 , F01N2900/1614 , F01N2900/1624 , Y02T10/22 , Y02T10/24 , Y02T10/47
Abstract: Various embodiments include systems adapted to monitor catalyst deterioration. Some embodiments include a catalyst deterioration detection system including a pre-catalytic converter gas sensor, a post-catalytic converter gas sensor, at least one computing device in communication with the pre-catalytic converter and post-catalytic converter gas sensors, the at least one computing device configured to monitor catalyst deterioration by performing actions including estimating a catalyst gas storage level by comparing a difference between a pre-catalytic converter gas level from the pre-catalytic converter gas sensor and a post-catalytic converter gas level from the post-catalytic converter gas sensor, comparing the estimated catalyst gas storage level to a baseline catalyst gas storage level and determining that the catalyst is deteriorated in response to the baseline catalyst gas storage level exceeding the estimated gas storage level by a threshold difference.
Abstract translation: 各种实施例包括适于监测催化剂劣化的系统。 一些实施方案包括催化剂劣化检测系统，其包括预催化转化器气体传感器，后催化转化器气体传感器，与预催化转化器和后催化转化器气体传感器连通的至少一个计算装置，所述至少一个 计算装置，其被配置为通过执行动作来监视催化剂劣化，所述动作包括通过比较来自催化前转换器气体传感器的催化前转化器气体水平与来自催化后转化器气体传感器的催化后转化器气体水平之间的差异来估计催化剂气体储存水平 转换器气体传感器，将估计的催化剂气体储存水平与基线催化剂气体储存水平进行比较，并且确定催化剂响应于基准催化剂气体储存水平超过估计的气体存储水平阈值差而劣化。
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公开(公告)号：US20150292384A1
公开(公告)日：2015-10-15
申请号：US14252890
申请日：2014-04-15
Applicant: GENERAL ELECTRIC COMPANY
Inventor： Maruthi Narasinga Rao Devarakonda
IPC: F01N3/20
CPC classification number: F01N3/208 , F01N3/101 , F01N3/106 , F01N3/2066 , F01N3/30 , F01N11/00 , F01N13/009 , F01N2550/02 , F01N2560/025 , F01N2560/026 , F01N2570/18 , F01N2900/1616 , Y02T10/22 , Y02T10/24 , Y02T10/47
Abstract: A system includes a controller configured to determine if a combustion engine is operating under a desired rich fuel condition. The controller is also configured, if the combustion engine is operating under the desired rich fuel condition, to monitor a catalytic activity within an ASC assembly that converts NH3 within treated exhaust gases from the combustion engine into N2 to determine whether the catalytic activity has been deactivated in the ASC assembly.
Abstract translation: 一种系统包括控制器，该控制器被配置为确定内燃机是否在所需的富燃料条件下运行。 如果内燃机在所需的富燃料条件下运行，则控制器还被配置为监测ASC组件内的催化活性，该组件将经处理的废气中的NH 3从内燃机转化为N2以确定催化活性是否已被去激活 在ASC组装。
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公开(公告)号：US20150273393A1
公开(公告)日：2015-10-01
申请号：US14226934
申请日：2014-03-27
Applicant: General Electric Company
Inventor： Maruthi Narasinga Rao Devarakonda , Robert Earl McDowell , Dennis John Spaulding , James Kristopher von der Ehe
IPC: B01D53/94
CPC classification number: B01D53/9459 , B01D53/9477 , B01D2255/904 , F01N3/101 , F01N3/108 , F01N3/2892 , F01N3/30 , F01N3/32 , F02B37/00 , Y02A50/2346 , Y02T10/144 , Y02T10/22
Abstract: A passive mid bed air injection apparatus for an engine includes a three way catalyst positioned in an exhaust stream of the engine. The three way catalyst reduces NOx, CO and HC from the exhaust stream. The three way catalyst includes an ammonia slip catalyst positioned in the exhaust stream of the engine. The ammonia slip catalyst is positioned downstream from the three way catalyst and oxidizes NH3 and CO from the exhaust stream. The three way catalyst includes an oxygen input disposed between the three way catalyst and the ammonia slip catalyst such that the oxygen input delivers air downstream from the three way catalyst and upstream from the ammonia slip catalyst. The oxygen input receives the air from a charged side of a forced induction device and delivers the air to the exhaust stream entering the ammonia slip catalyst. An associated method also provided.
Abstract translation: 用于发动机的被动中空气体注射装置包括位于发动机排气流中的三通催化剂。 三元催化剂从排气流中还原NOx，CO和HC。 三元催化剂包括位于发动机排气流中的氨滑动催化剂。 氨滑移催化剂位于三元催化剂的下游，并从排气流中氧化NH3和CO。 三元催化剂包括设置在三元催化剂和氨滑动催化剂之间的氧气输入，使得氧气输入输送从三元催化剂下游的空气和氨滑移催化剂的上游。 氧输入从强制感应装置的充电侧接收空气，并将空气输送到进入氨滑动催化剂的排气流。 还提供了一种相关联的方法。
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Patent Agency Ranking
公开(公告)号：US10094275B2
公开(公告)日：2018-10-09
申请号：US15006519
申请日：2016-01-26
Applicant: General Electric Company
Inventor： Maruthi Narasinga Rao Devarakonda , Rachel Tarvin Farr
IPC: F01N3/00 , F02B73/00 , F01N3/20 , F02D41/14 , B01D53/94 , F02D41/02 , F02C9/00 , F01N9/00 , F01K13/02 , F01K23/00
Abstract: A system includes a hybrid power plant controller programmed to receive a plurality of signals representative of one or more operating parameters of a hybrid power plant. The hybrid power plant includes at least one gas turbine engine, at least one gas engine, and at least one catalyst system. The hybrid power plant controller is programmed to utilize closed-loop optimal control to generate one or more operational setpoints based on the one or more operating parameters for the hybrid power plant to optimize performance of the hybrid power plant. The hybrid power plant controller uses closed-loop optimal control to provide the one or more operational setpoints to respective controllers of the at least one gas turbine engine, the at least one gas engine, and the at least one catalyst system to control operation of the gas turbine engine, the gas engine, and the catalyst system.
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公开(公告)号：US10082060B2
公开(公告)日：2018-09-25
申请号：US14973445
申请日：2015-12-17
Applicant: General Electric Company
Inventor： Maruthi Narasinga Rao Devarakonda , Rachel Tarvin Farr , Sahika Genc
CPC classification number: F01N3/20 , F01N2550/00 , F01N2570/18 , F02C9/28 , F05D2260/81 , F05D2270/08 , F05D2270/0831 , F05D2270/71 , G05B17/02
Abstract: In one embodiment, a system may include a gas turbine system. the gas turbine system includes a gas turbine, an after-treatment system that may receive exhaust gases from the gas turbine system, and a controller that may receive inputs and model operational behavior of an industrial plant based on the inputs. The industrial plant may include the gas turbine and the after-treatment system. The controller may also determine one or more operational parameter setpoints for the industrial plant, select the one or more operational parameter setpoints that reduce an output of a cost function, and apply the one or more operational parameter setpoints to control the industrial plant.
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公开(公告)号：US09863344B2
公开(公告)日：2018-01-09
申请号：US14745868
申请日：2015-06-22
Applicant: General Electric Company
Inventor： Dipankar Deb , Prashant Srinivasan , Medy Satria , Maruthi Narasinga Rao Devarakonda , Dhruval Bhatt
CPC classification number: F02D41/0077 , F02D21/08 , F02D41/0052 , F02D41/0072 , F02D41/1461 , F02D41/26 , F02D2021/083 , F02D2200/0406 , F02D2250/36 , Y02T10/47
Abstract: A system includes an engine comprising an EGR valve that recirculates a portion of exhaust gas, a data repository that stores a first look up and one or more engine operational parameters, an engine control unit operationally coupled to the engine and the data repository, wherein the engine control unit is configured to: determine a desired EGR flow rate reference of the portion of the exhaust gas based on the one or more engine operational parameters and the first look up table, determine a current estimated EGR flow rate based on the one or more engine operational parameters, determine a designated corrected EGR flow rate reference based on the desired EGR flow rate reference and a delta EGR flow rate, determine EGR flow rate error, and determine a percentage opening of the EGR valve based at least on the EGR flow rate error.
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公开(公告)号：US09719400B2
公开(公告)日：2017-08-01
申请号：US14978477
申请日：2015-12-22
Applicant: General Electric Company
Inventor： Maruthi Narasinga Rao Devarakonda , Constantin Dinu
CPC classification number: F01N11/007 , B01D53/9477 , B01D53/9495 , B01D2251/2062 , B01D2251/2067 , F01N3/021 , F01N3/035 , F01N3/103 , F01N3/2066 , F01N3/208 , F01N13/009 , F01N2250/02 , F01N2560/02 , F01N2560/08 , F01N2560/14 , F01N2590/10 , F01N2610/02 , F01N2900/1402 , F01N2900/1406 , F01N2900/1606 , F01N2900/1622 , F05D2270/082 , F05D2270/0831 , F23G7/07 , F23J15/02 , F23J2219/10 , Y02E20/12 , Y02T10/24
Abstract: A system, includes an emissions reduction system, including a catalyst system comprising an oxidation catalyst assembly and a selective catalytic reduction catalyst assembly. The system includes a diesel particulate fuel assembly, a first and a second sensor upstream of the catalyst system configured to measure emissions of the exhaust flow of the gas engine and a gas turbine before flowing into the catalyst system to generate a first and a second signal. A third sensor is downstream of the catalyst system to measure emissions of the catalyst system to generate a third signal, and a fourth and a fifth sensor disposed upstream and downstream of the DPF assembly to measure a change in pressure to generate a fourth signal and a controller to generate a first control signal to control an amount of reductant based on at least the first, second, and third signals.
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公开(公告)号：US20170211468A1
公开(公告)日：2017-07-27
申请号：US15006519
申请日：2016-01-26
Applicant: General Electric Company
Inventor： Maruthi Narasinga Rao Devarakonda , Rachel Tarvin Farr
CPC classification number: F02B73/00 , B01D53/94 , B01D53/9431 , B01D53/9495 , F01K13/02 , F01K23/00 , F01N3/20 , F01N3/208 , F01N9/00 , F01N2610/02 , F02C9/00 , F02D41/0235 , F02D41/14 , F05D2220/32 , F05D2270/05 , F05D2270/07 , F05D2270/08 , F05D2270/13
Abstract: A system includes a hybrid power plant controller programmed to receive a plurality of signals representative of one or more operating parameters of a hybrid power plant. The hybrid power plant includes at least one gas turbine engine, at least one gas engine, and at least one catalyst system. The hybrid power plant controller is programmed to utilize closed-loop optimal control to generate one or more operational setpoints based on the one or more operating parameters for the hybrid power plant to optimize performance of the hybrid power plant. The hybrid power plant controller uses closed-loop optimal control to provide the one or more operational setpoints to respective controllers of the at least one gas turbine engine, the at least one gas engine, and the at least one catalyst system to control operation of the gas turbine engine, the gas engine, and the catalyst system.
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