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1. 发明申请

US20120023906A1 SYSTEM AND APPARATUS FOR ENHANCING EXHAUST AFTERTREATMENT STARTUP EMISSIONS CONTROL 有权
标题翻译：用于增强排气启动排放控制的系统和装置
公开(公告)号：US20120023906A1
公开(公告)日：2012-02-02
申请号：US13045252
申请日：2011-03-10
申请人： Aleksey Yezerets , Zheng Liu , Neal W. Currier , J. Stephen Wills
发明人： Aleksey Yezerets , Zheng Liu , Neal W. Currier , J. Stephen Wills
IPC分类号： F01N3/18 , F01N3/10
CPC分类号： F01N3/208 , F01N11/002 , F01N2560/06 , F01N2610/02 , F01N2610/1453 , F01N2900/12 , F01N2900/1602 , Y02T10/24 , Y02T10/47
摘要： An aftertreatment system including a method which provides a selective catalytic reduction (SCR) catalyst disposed in an exhaust stream of an engine; determines that an ammonia pre-load condition for the SCR catalyst is present; determines a first amount of ammonia pre-load in response to the ammonia pre-load condition; injects an amount of ammonia or urea into the exhaust stream in response to the first amount of ammonia; and adsorbs a second amount of ammonia onto the SCR catalyst in response to injecting an amount of ammonia or urea, where the second amount of ammonia is either the injected amount of ammonia or an amount of ammonia resulting from hydrolysis from the injected amount of urea.
摘要翻译：一种后处理系统，包括提供设置在发动机的排气流中的选择性催化还原（SCR）催化剂的方法; 确定存在用于SCR催化剂的氨预加载条件; 响应于氨预负荷状态确定氨预负载的第一量; 响应于第一量的氨将一定量的氨或尿素注入排气流中; 并且响应于注入一定量的氨或尿素而将第二量的氨吸附到SCR催化剂上，其中第二量的氨是从注射量的尿液中注入的氨的量或由水解产生的氨的量。

2. 发明授权

US08671666B2 System and apparatus for enhancing exhaust aftertreatment startup emissions control 有权
标题翻译：用于增强废气后处理启动排放控制的系统和装置
公开(公告)号：US08671666B2
公开(公告)日：2014-03-18
申请号：US13045252
申请日：2011-03-10
申请人： Aleksey Yezerets , Zheng Liu , Neal W. Currier , J. Stephen Wills
发明人： Aleksey Yezerets , Zheng Liu , Neal W. Currier , J. Stephen Wills
IPC分类号： F01N3/00 , F01N3/10
CPC分类号： F01N3/208 , F01N11/002 , F01N2560/06 , F01N2610/02 , F01N2610/1453 , F01N2900/12 , F01N2900/1602 , Y02T10/24 , Y02T10/47
摘要： An aftertreatment system including a method which provides a selective catalytic reduction (SCR) catalyst disposed in an exhaust stream of an engine; determines that an ammonia pre-load condition for the SCR catalyst is present; determines a first amount of ammonia pre-load in response to the ammonia pre-load condition; injects an amount of ammonia or urea into the exhaust stream in response to the first amount of ammonia; and adsorbs a second amount of ammonia onto the SCR catalyst in response to injecting an amount of ammonia or urea, where the second amount of ammonia is either the injected amount of ammonia or an amount of ammonia resulting from hydrolysis from the injected amount of urea.
摘要翻译：一种后处理系统，包括提供设置在发动机的排气流中的选择性催化还原（SCR）催化剂的方法; 确定存在用于SCR催化剂的氨预加载条件; 响应于氨预负荷状态确定氨预负载的第一量; 响应于第一量的氨将一定量的氨或尿素注入排气流中; 并且响应于注入一定量的氨或尿素而将第二量的氨吸附到SCR催化剂上，其中第二量的氨是从注射量的尿液中注入的氨的量或由水解产生的氨的量。

3. 发明授权

US08783017B2 System, method, and apparatus to engage alternate reductant in a NOx reduction system 有权
标题翻译：在NOx还原系统中使备选还原剂接合的系统，方法和装置
公开(公告)号：US08783017B2
公开(公告)日：2014-07-22
申请号：US13045194
申请日：2011-03-10
申请人： Aleksey Yezerets , Zheng Liu , Neal W. Currier , J. Stephen Wills
发明人： Aleksey Yezerets , Zheng Liu , Neal W. Currier , J. Stephen Wills
IPC分类号： F01N3/00
CPC分类号： F01N3/208 , F01N2560/06 , F01N2610/02 , F01N2610/03 , F02D41/0275 , F02D41/1446 , F02D41/405 , Y02T10/24 , Y02T10/44
摘要： An exhaust aftertreatment process including providing a selective catalytic reduction (SCR) catalyst disposed in an exhaust stream of an internal combustion engine; determining that a temperature of the exhaust stream is not within an NH3 based SCR range; and providing an amount of unburned hydrocarbon (UHC) to the SCR catalyst in response to the temperature of the exhaust stream not being within an NH3 based SCR range.
摘要翻译：排气后处理方法，包括提供设置在内燃机排气流中的选择性催化还原（SCR）催化剂; 确定排气流的温度不在基于NH 3的SCR范围内; 并且响应于不在基于NH 3的SCR范围内的排气流的温度，向SCR催化剂提供一定量的未燃烧烃（UHC）。

4. 发明申请

US20120023905A1 SYSTEM, METHOD, AND APPARATUS TO ENGAGE ALTERNATE REDUCTANT IN A NOX REDUCTION SYSTEM 有权
标题翻译：系统，方法和设备在NOX还原系统中引入替代还原剂
公开(公告)号：US20120023905A1
公开(公告)日：2012-02-02
申请号：US13045194
申请日：2011-03-10
申请人： Aleksey Yezerets , Zheng Liu , Neal W. Currier , J. Stephen Wills
发明人： Aleksey Yezerets , Zheng Liu , Neal W. Currier , J. Stephen Wills
IPC分类号： F01N9/00 , F01N3/20
CPC分类号： F01N3/208 , F01N2560/06 , F01N2610/02 , F01N2610/03 , F02D41/0275 , F02D41/1446 , F02D41/405 , Y02T10/24 , Y02T10/44
摘要： An exhaust aftertreatment process including providing a selective catalytic reduction (SCR) catalyst disposed in an exhaust stream of an internal combustion engine; determining that a temperature of the exhaust stream is not within an NH3 based SCR range; and providing an amount of unburned hydrocarbon (UHC) to the SCR catalyst in response to the temperature of the exhaust stream not being within an NH3 based SCR range.
摘要翻译：排气后处理方法，包括提供设置在内燃机排气流中的选择性催化还原（SCR）催化剂; 确定排气流的温度不在基于NH 3的SCR范围内; 并且响应于不在基于NH 3的SCR范围内的排气流的温度，向SCR催化剂提供一定量的未燃烧烃（UHC）。

5. 发明申请

US20110047964A1 METHODS, SYSTEMS, AND APPARATUSES OF SCR DIAGNOSTICS 有权
标题翻译： SCR诊断方法，系统和装置
公开(公告)号：US20110047964A1
公开(公告)日：2011-03-03
申请号：US12551747
申请日：2009-09-01
申请人： Aleksey Yezerets , Neal W. Currier , Zheng Liu , Joan M Wills , Abdul R. Ofoli , Michael R. Haas , Andrew W. Osburn
发明人： Aleksey Yezerets , Neal W. Currier , Zheng Liu , Joan M Wills , Abdul R. Ofoli , Michael R. Haas , Andrew W. Osburn
IPC分类号： F01N9/00 , F01N11/00
CPC分类号： F01N3/2066 , F01N11/00 , F01N2550/02 , F01N2550/05 , Y02A50/2325 , Y02T10/24 , Y02T10/47
摘要： One embodiment is a method including operating an SCR system at a plurality of commanded ammonia to NOx input ratios, providing a plurality of data indicating NOx output from the SCR system for the plurality of commanded ammonia to NOx input ratios, and evaluating the plurality of data to diagnose the SCR system. Additional embodiment are methods, systems, and apparatuses including SCR diagnostics. Further embodiments, forms, objects, features, advantages, aspects, and benefits shall become apparent from the following description and drawings.
摘要翻译：一个实施例是一种方法，包括以多个指令氨操作SCR系统至NOx输入比，提供指示SCR系统的NOx输出的多个数据用于多个指令氨至NOx输入比，并且评估多个数据诊断SCR系统。附加实施例是包括SCR诊断的方法，系统和装置。从以下说明和附图，其他实施例，形式，目的，特征，优点，方面和优点将变得显而易见。

6. 发明授权

US08590290B2 Methods, systems, and apparatuses of SCR diagnostics 有权
标题翻译： SCR诊断的方法，系统和设备
公开(公告)号：US08590290B2
公开(公告)日：2013-11-26
申请号：US12551747
申请日：2009-09-01
申请人： Aleksey Yezerets , Neal W. Currier , Zheng Liu , Joan M. Wills , Abdul R. Ofoli , Michael R. Haas , Andrew W. Osburn
发明人： Aleksey Yezerets , Neal W. Currier , Zheng Liu , Joan M. Wills , Abdul R. Ofoli , Michael R. Haas , Andrew W. Osburn
IPC分类号： F01N3/00
CPC分类号： F01N3/2066 , F01N11/00 , F01N2550/02 , F01N2550/05 , Y02A50/2325 , Y02T10/24 , Y02T10/47
摘要： One embodiment is a method including operating an SCR system at a plurality of commanded ammonia to NOx input ratios, providing a plurality of data indicating NOx output from the SCR system for the plurality of commanded ammonia to NOx input ratios, and evaluating the plurality of data to diagnose the SCR system. Additional embodiment are methods, systems, and apparatuses including SCR diagnostics. Further embodiments, forms, objects, features, advantages, aspects, and benefits shall become apparent from the following description and drawings.
摘要翻译：一个实施例是一种方法，包括以多个指令氨操作SCR系统至NOx输入比，提供指示SCR系统的NOx输出的多个数据用于多个指令氨至NOx输入比，并且评估多个数据诊断SCR系统。附加实施例是包括SCR诊断的方法，系统和装置。从以下说明和附图，其他实施例，形式，目的，特征，优点，方面和优点将变得显而易见。

7. 发明授权

US08141340B2 Apparatus, system, and method for determining the degradation of an SCR catalyst 有权
标题翻译：用于确定SCR催化剂降解的装置，系统和方法
公开(公告)号：US08141340B2
公开(公告)日：2012-03-27
申请号：US12433600
申请日：2009-04-30
申请人： Phanindra Garimella , Joan M. Wills , John N. Chi , Neal W. Currier , Aleksey Yezerets
发明人： Phanindra Garimella , Joan M. Wills , John N. Chi , Neal W. Currier , Aleksey Yezerets
IPC分类号： F01N3/00
CPC分类号： F01N3/208 , F01N2550/02 , F01N2560/026 , F01N2610/02 , F01N2900/1402 , F01N2900/1622 , Y02T10/24
摘要： According to one representative embodiment, an apparatus for determining the degradation of a selective catalytic reduction (SCR) catalyst of an engine exhaust aftertreatment system includes a system properties module configured to store at least one system dynamics property value of the exhaust system at a first time and receive the at least one system dynamics property value of the exhaust aftertreatment system at a second time subsequent to the first time. The apparatus also includes a system dynamics module configured to determine a storage capacity of the SCR catalyst based on a comparison between the at least one system dynamic property value at the first time and the at least one system dynamic property value at the second time. Additionally, the apparatus includes an SCR catalyst degradation factor module configured to determine an SCR catalyst degradation factor based at least partially on the storage capacity of the SCR catalyst.
摘要翻译：根据一个代表性实施例，用于确定发动机排气后处理系统的选择性催化还原（SCR）催化剂的劣化的装置包括系统特性模块，其被配置为在第一时间存储排气系统的至少一个系统动力特性值并且在第一次之后的第二时间接收排气后处理系统的至少一个系统动力特性值。该装置还包括系统动力学模块，其被配置为基于第一时间的至少一个系统动态属性值与第二时间的至少一个系统动态属性值之间的比较来确定SCR催化剂的存储容量。另外，该装置包括SCR催化剂劣化因子模块，其被配置为至少部分地基于SCR催化剂的储存容量来确定SCR催化剂降解因子。

8. 发明授权

US07211793B2 Mass spectrometry system and method 有权
标题翻译：质谱体系及方法
公开(公告)号：US07211793B2
公开(公告)日：2007-05-01
申请号：US10983884
申请日：2004-11-09
申请人： Neal W. Currier , Aleksey Yezerets
发明人： Neal W. Currier , Aleksey Yezerets
IPC分类号： H01J49/04 , B01D59/44
CPC分类号： H01J49/0422
摘要： Mass spectrometry system for analyzing components of a gas. In accordance with one embodiment, the system includes a mass spectrometer adapted to analyze components of the gas, and an inlet capillary fluidically connected to the mass spectrometer to convey a sample of the gas to the mass spectrometer. The inlet capillary includes an inner bore with a bore wall having a catalytic coating thereon for reacting with at least one component of the sampled gas to convert the at least one component to another gas species as the sampled gas is conveyed through the inlet capillary. The mass spectrometer is adapted to analyze the converted gas species and derive information, such as quantity, of the component of sample gas that has been converted. A method of analyzing a gas is also provided.
摘要翻译：用于分析气体组分的质谱系统。根据一个实施例，该系统包括适于分析气体的组分的质谱仪，以及与质谱仪流体连接的入口毛细管，以将气体样品输送到质谱仪。入口毛细管包括内孔，其具有在其上具有催化涂层的孔壁，用于与采样气体的至少一个组分反应，以将所述至少一种组分转化为另一种气体物质，因为采样气体通过入口毛细管输送。质谱仪用于分析转换后的气体种类，并得出已经转化的样品气体组分的数据，如数量。还提供了一种分析气体的方法。

9. 发明授权

US08893475B2 Control system for doser compensation in an SCR system 有权
标题翻译： SCR系统中加料器补偿控制系统
公开(公告)号：US08893475B2
公开(公告)日：2014-11-25
申请号：US13045231
申请日：2011-03-10
申请人： Mert Geveci , Aleksey Yezerets , Neal W. Currier , Michael Haas , Andrew W. Osburn
发明人： Mert Geveci , Aleksey Yezerets , Neal W. Currier , Michael Haas , Andrew W. Osburn
IPC分类号： F01N3/00 , F01N3/20
CPC分类号： F01N3/208 , F01N2550/05 , F01N2560/021 , F01N2610/02 , F01N2900/1602 , F01N2900/1621 , Y02T10/24
摘要： A method includes determining whether selective catalytic reduction (SCR) test conditions are present, and in response to the SCR test conditions being present, operating an SCR aftertreatment system at a number of reduced ammonia to NOx ratio (ANR) operating points. The method further includes determining a deNOx efficiency value corresponding to each of the ANR operating points. The method further includes determining a reductant correction value in response to the deNOx efficiency values corresponding to each of the ANR operating points, and providing a reductant injection command in response to the reductant correction value.
摘要翻译：一种方法包括确定是否存在选择性催化还原（SCR）测试条件，并且响应于存在的SCR测试条件，在降低的氨至NOx比（ANR）操作点的数量下操作SCR后处理系统。该方法还包括确定对应于每个ANR工作点的脱硝效率值。该方法还包括响应于与每个ANR工作点对应的脱硝效率值确定还原剂校正值，以及响应于还原剂校正值提供还原剂注入命令。

10. 发明申请

US20110219747A1 CONTROL SYSTEM FOR DOSER COMPENSATION IN AN SCR SYSTEM 有权
标题翻译：控制系统用于在SCR系统中进行补偿
公开(公告)号：US20110219747A1
公开(公告)日：2011-09-15
申请号：US13045231
申请日：2011-03-10
申请人： Mert Geveci , Aleksey Yezerets , Neal W. Currier , Michael Haas , Andrew W. Osburn
发明人： Mert Geveci , Aleksey Yezerets , Neal W. Currier , Michael Haas , Andrew W. Osburn
IPC分类号： F01N11/00 , F01N3/20 , F01N3/10
CPC分类号： F01N3/208 , F01N2550/05 , F01N2560/021 , F01N2610/02 , F01N2900/1602 , F01N2900/1621 , Y02T10/24
摘要： A method includes determining whether selective catalytic reduction (SCR) test conditions are present, and in response to the SCR test conditions being present, operating an SCR aftertreatment system at a number of reduced ammonia to NOx ratio (ANR) operating points. The method further includes determining a deNOx efficiency value corresponding to each of the ANR operating points. The method further includes determining a reductant correction value in response to the deNOx efficiency values corresponding to each of the ANR operating points, and providing a reductant injection command in response to the reductant correction value.
摘要翻译：一种方法包括确定是否存在选择性催化还原（SCR）测试条件，并且响应于存在的SCR测试条件，在降低的氨至NOx比（ANR）操作点的数量下操作SCR后处理系统。该方法还包括确定对应于每个ANR工作点的脱硝效率值。该方法还包括响应于与每个ANR工作点对应的脱硝效率值确定还原剂校正值，以及响应于还原剂校正值提供还原剂注入命令。

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