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1. 发明申请

US20150027553A1 Urea Injection Systems Valves 有权
标题翻译：尿素注射系统阀
公开(公告)号：US20150027553A1
公开(公告)日：2015-01-29
申请号：US14238818
申请日：2012-08-22
申请人： Andrew Myer , Chetan Ponnathpur , John Heichelbech , George Muntean , Stephen Holl , James F. Burke , John Anthis , Joydeep Chakrabarti , Brandon Simmons
发明人： Andrew Myer , Chetan Ponnathpur , John Heichelbech , George Muntean , Stephen Holl , James F. Burke , John Anthis , Joydeep Chakrabarti , Brandon Simmons
IPC分类号： F01N3/20 , F16K11/10
CPC分类号： F01N3/208 , F01N3/2066 , F01N2610/00 , F01N2610/02 , F01N2610/146 , F04B43/02 , F16K7/12 , F16K11/10 , Y02T10/24 , Y10T137/0391 , Y10T137/0396 , Y10T137/7836 , Y10T137/86815 , Y10T137/87676 , Y10T137/87684
摘要： Apparatuses and methods for urea dosing of an exhaust after treatment system are disclosed. Exemplary apparatuses include a chamber configured to receive pressurized gas at a first inlet, receive urea solution at a second inlet, and provide a combined flow of pressurized gas and urea to an outlet, a flow passage extending from the first inlet to a seating surface, and a valve member configured to move between an open position in which the valve member is spaced apart from the seating surface and a closed position in which the valve member contacts the seating surface. As the valve member moves from the open position to the closed position the valve member contacts the seating surface at a first location and wipes an area of the seating surface extending from the first location in a direction toward the flow passage.
摘要翻译：公开了一种用于处理系统后排气的尿素给料装置和方法。示例性设备包括被配置为在第一入口处接收加压气体的室，在第二入口处接收尿素溶液，并且将压缩气体和尿素的组合流提供给出口，从第一入口延伸到座面，以及阀构件，构造成在所述阀构件与所述就座表面间隔开的打开位置和所述阀构件接触所述就座表面的关闭位置之间移动。当阀构件从打开位置移动到关闭位置时，阀构件在第一位置处接触就座表面，并且擦拭从第一位置沿朝向流动通道的方向延伸的就座表面的区域。

2. 发明授权

US09422850B2 Urea injection systems valves 有权
标题翻译：尿素注射系统阀
公开(公告)号：US09422850B2
公开(公告)日：2016-08-23
申请号：US14238818
申请日：2012-08-22
申请人： Andrew Myer , Chetan Ponnathpur , John Heichelbech , George Muntean , Stephen Holl , James F. Burke , John Anthis , Joydeep Chakrabarti , Brandon Simmons , Niklas Schmidt , Yogesh V. Birari
发明人： Andrew Myer , Chetan Ponnathpur , John Heichelbech , George Muntean , Stephen Holl , James F. Burke , John Anthis , Joydeep Chakrabarti , Brandon Simmons , Niklas Schmidt , Yogesh V. Birari
IPC分类号： F01N3/20 , F16K11/10 , F04B43/02
CPC分类号： F01N3/208 , F01N3/2066 , F01N2610/00 , F01N2610/02 , F01N2610/146 , F04B43/02 , F16K7/12 , F16K11/10 , Y02T10/24 , Y10T137/0391 , Y10T137/0396 , Y10T137/7836 , Y10T137/86815 , Y10T137/87676 , Y10T137/87684
摘要： Apparatuses and methods for urea dosing of an exhaust after treatment system are disclosed. Exemplary apparatuses include a chamber configured to receive pressurized gas at a first inlet, receive urea solution at a second inlet, and provide a combined flow of pressurized gas and urea to an outlet, a flow passage extending from the first inlet to a seating surface, and a valve member configured to move between an open position in which the valve member is spaced apart from the seating surface and a closed position in which the valve member contacts the seating surface. As the valve member moves from the open position to the closed position the valve member contacts the seating surface at a first location and wipes an area of the seating surface extending from the first location in a direction toward the flow passage.
摘要翻译：公开了一种用于处理系统后排气的尿素给料装置和方法。示例性设备包括被配置为在第一入口处接收加压气体的室，在第二入口处接收尿素溶液，并且将压缩气体和尿素的组合流提供给出口，从第一入口延伸到座面，以及阀构件，构造成在所述阀构件与所述就座表面间隔开的打开位置和所述阀构件接触所述就座表面的关闭位置之间移动。当阀构件从打开位置移动到关闭位置时，阀构件在第一位置处接触就座表面，并且擦拭从第一位置沿朝向流动通道的方向延伸的就座表面的区域。

3. 发明授权

US08888017B2 System, method, and apparatus for delivering highly atomized diesel exhaust fluid to an exhaust aftertreatment system 有权
标题翻译：用于将高度雾化的柴油机废气排放到排气后处理系统的系统，方法和装置
公开(公告)号：US08888017B2
公开(公告)日：2014-11-18
申请号：US13243096
申请日：2011-09-23
申请人： Chetan Ponnathpur , Stephanie L. Apewokin , Steve Holl , Jim F. Burke , John Heichelbech , Andrew Myer , Melissa A. Zaczek , Yongquan Chai , Eric Burmeister , Nate Garrett
发明人： Chetan Ponnathpur , Stephanie L. Apewokin , Steve Holl , Jim F. Burke , John Heichelbech , Andrew Myer , Melissa A. Zaczek , Yongquan Chai , Eric Burmeister , Nate Garrett
IPC分类号： B05B15/00 , F01N3/32 , F01N3/20
CPC分类号： F01N3/2066 , F01N3/32 , F01N2610/03 , F01N2610/08 , F01N2610/085 , F01N2610/1453 , Y02A50/2325 , Y02T10/24 , Y10T137/0318 , Y10T137/85978 , Y10T137/87571
摘要： A system includes a cylindrical blend chamber having two inlets and one outlet. The outlet is fluidly coupled to a transfer line, and a nozzle is positioned downstream of the transfer line. The nozzle is fluidly coupled to an exhaust stream of an internal combustion engine. The system further includes a first inlet fluidly coupled to a diesel exhaust fluid (DEF) stream, and a second inlet fluidly coupled to an air stream. The DEF stream and the air stream intersect at a divergent angle.
摘要翻译：系统包括具有两个入口和一个出口的圆柱形混合室。出口流体地联接到传输线，并且喷嘴位于传送线的下游。喷嘴流体地联接到内燃机的排气流。该系统还包括流体耦合到柴油机废气流（DEF）流的第一入口和与气流流体耦合的第二入口。 DEF流和气流以发散角相交。

4. 发明申请

US20120160934A1 SYSTEM, METHOD, AND APPARATUS FOR DELIVERING HIGHLY ATOMIZED DIESEL EXHAUST FLUID TO AN EXHAUST AFTERTREATMENT SYSTEM 有权
标题翻译：用于将高精度柴油机排放到排气系统的系统，方法和装置
公开(公告)号：US20120160934A1
公开(公告)日：2012-06-28
申请号：US13243096
申请日：2011-09-23
申请人： Chetan Ponnathpur , Stephanie L. Apewokin , Steve Holl , Jim F. Burke , John Heichelbech , Andrew Myer , Melissa A. Zaczek , Yongquan Chai , Eric Burmester , Nate Garrett
发明人： Chetan Ponnathpur , Stephanie L. Apewokin , Steve Holl , Jim F. Burke , John Heichelbech , Andrew Myer , Melissa A. Zaczek , Yongquan Chai , Eric Burmester , Nate Garrett
IPC分类号： B05B15/00 , A23G9/28
CPC分类号： F01N3/2066 , F01N3/32 , F01N2610/03 , F01N2610/08 , F01N2610/085 , F01N2610/1453 , Y02A50/2325 , Y02T10/24 , Y10T137/0318 , Y10T137/85978 , Y10T137/87571
摘要： A system includes a cylindrical blend chamber having two inlets and one outlet. The outlet is fluidly coupled to a transfer line, and a nozzle is positioned downstream of the transfer line. The nozzle is fluidly coupled to an exhaust stream of an internal combustion engine. The system further includes a first inlet fluidly coupled to a diesel exhaust fluid (DEF) stream, and a second inlet fluidly coupled to an air stream. The DEF stream and the air stream intersect at a divergent angle.
摘要翻译：系统包括具有两个入口和一个出口的圆柱形混合室。出口流体地联接到传输线，并且喷嘴位于传送线的下游。喷嘴流体地联接到内燃机的排气流。该系统还包括流体耦合到柴油机废气流（DEF）流的第一入口和与气流流体耦合的第二入口。 DEF流和气流以发散角相交。

5. 发明申请

US20130031891A1 NH3 EMISSIONS MANAGEMENT IN A NOX REDUCTION SYSTEM 有权
标题翻译： NH3排放管理在NOX还原系统
公开(公告)号：US20130031891A1
公开(公告)日：2013-02-07
申请号：US13204181
申请日：2011-08-05
申请人： Chetan Ponnathpur
发明人： Chetan Ponnathpur
IPC分类号： F01N3/035 , F01N3/10 , F01N3/023
CPC分类号： F01N3/18 , F01N3/035 , F01N3/2066 , F02D41/0275 , F02D41/1446 , F02D2041/1468 , Y02T10/24
摘要： A system includes an internal combustion engine producing an exhaust gas, an aftertreatment system receiving the exhaust gas, the aftertreatment system including a particulate filter positioned upstream of an SCR catalyst component, and a urea injector operatively coupled to the aftertreatment system at a position upstream of the SCR catalyst component. The system further includes a controller that interprets an exhaust temperature value, an ambient temperature value, and a urea injection amount. The controller determines a urea deposit amount in response to the exhaust temperature value, the ambient temperature value, and the urea injection amount, and initiates a desoot regeneration event in response to the urea deposit amount. The desoot regeneration event includes operating the engine at a urea decomposition exhaust temperature.
摘要翻译：一种系统包括产生废气的内燃机，接收废气的后处理系统，所述后处理系统包括位于SCR催化剂组分上游的颗粒过滤器和在后处理系统的上游位置可操作地耦合到后处理系统的尿素喷射器 SCR催化剂组分。该系统还包括解释排气温度值，环境温度值和尿素喷射量的控制器。控制器响应于排气温度值，环境温度值和尿素喷射量来确定尿素沉积量，并且响应于尿素沉积量而启动除尘再生事件。除尘再生事件包括以尿素分解排气温度操作发动机。

6. 发明授权

US08627651B2 NH3 emissions management in a NOx reduction system 有权
标题翻译： NOx排放管理在NOx还原系统中
公开(公告)号：US08627651B2
公开(公告)日：2014-01-14
申请号：US13204181
申请日：2011-08-05
申请人： Chetan Ponnathpur
发明人： Chetan Ponnathpur
IPC分类号： F01N3/00
CPC分类号： F01N3/18 , F01N3/035 , F01N3/2066 , F02D41/0275 , F02D41/1446 , F02D2041/1468 , Y02T10/24
摘要： A system includes an internal combustion engine producing an exhaust gas, an aftertreatment system receiving the exhaust gas, the aftertreatment system including a particulate filter positioned upstream of an SCR catalyst component, and a urea injector operatively coupled to the aftertreatment system at a position upstream of the SCR catalyst component. The system further includes a controller that interprets an exhaust temperature value, an ambient temperature value, and a urea injection amount. The controller determines a urea deposit amount in response to the exhaust temperature value, the ambient temperature value, and the urea injection amount, and initiates a desoot regeneration event in response to the urea deposit amount. The desoot regeneration event includes operating the engine at a urea decomposition exhaust temperature.
摘要翻译：一种系统包括产生废气的内燃机，接收废气的后处理系统，所述后处理系统包括位于SCR催化剂组分上游的颗粒过滤器和在后处理系统的上游位置可操作地耦合到后处理系统的尿素喷射器 SCR催化剂组分。该系统还包括解释排气温度值，环境温度值和尿素喷射量的控制器。控制器响应于排气温度值，环境温度值和尿素喷射量确定尿素沉积量，并且响应于尿素沉积量而启动除尘再生事件。除尘再生事件包括以尿素分解排气温度操作发动机。

7. 发明授权

US08826644B2 Engine and exhaust aftertreatment control 有权
标题翻译：发动机和排气后处理控制
公开(公告)号：US08826644B2
公开(公告)日：2014-09-09
申请号：US12983776
申请日：2011-01-03
申请人： Chetan Ponnathpur
发明人： Chetan Ponnathpur
IPC分类号： F01N3/00 , F01N3/20 , F01N11/00 , F01N9/00
CPC分类号： F01N3/2066 , F01N9/00 , F01N11/00 , F01N2570/14 , Y02A50/2344 , Y02C20/10 , Y02T10/24 , Y02T10/47
摘要： A method of controlling an internal combustion engine and exhaust system having an SCR, and engine and exhaust system including an SCR, described herein, monitors, in real time, NOx conversion efficiency of an exhaust flow output by the internal combustion engine through the SCR. A determination is made as to whether the monitored NOx conversion efficiency exceeds a predetermined target conversion efficiency, such as a target based on a predetermined allowable amount of NOx emission. While the monitored NOx conversion efficiency exceeds the predetermined amount, the NOx concentration level in the exhaust flow is increased by an amount based on the difference in the monitored conversion efficiency and the predetermined target conversion efficiency. Another method and engine and exhaust system provided herein tracks an amount of ammonia stored on a catalyst of the SCR based on a feed-forward calculation of injected urea based on engine out NOx mass flow and reduction efficiency of the SCR catalyst based on a temperature of the SCR catalyst, and operates the engine and exhaust system in a NOx-rich mode in which an EGR fraction command is adjusted, based on the tracked amount of stored ammonia, to decrease an amount of EGR gas entering an intake of the internal combustion engine and thereby reduce ammonia stored on the SCR catalyst.
摘要翻译：控制具有SCR的内燃机和排气系统的方法以及包括本文所述的SCR的发动机和排气系统实时监控由内燃机通过SCR输出的排气流的NOx转化效率。根据预定的NOx排放量，确定被监测的NOx转换效率是否超过目标转换效率。当监测到的NOx转化效率超过预定量时，排气流中的NOx浓度水平基于所监视的转换效率和预定目标转换效率的差增加量。本文提供的另一种方法和发动机和排气系统基于基于发动机排出NOx质量流量和SCR催化剂的降低效率的喷射尿素的前馈计算，基于SCR催化剂的温度来跟踪存储在SCR催化剂上的氨的量 SCR催化剂，并且基于所存储的氨的追踪量，调整EGR分数指令的NOx浓缩模式中的发动机和排气系统，以减少进入内燃机的进气量的EGR气体的量从而减少存储在SCR催化剂上的氨。

8. 发明授权

US08141351B2 Pre-catalyst for preventing face-plugging on an inlet face of an aftertreatment device and method of the same 有权
标题翻译：用于防止后处理装置的入口面上的面部堵塞的预催化剂及其方法
公开(公告)号：US08141351B2
公开(公告)日：2012-03-27
申请号：US12109813
申请日：2008-04-25
申请人： Chetan Ponnathpur , Thomas M. Yonushonis , Javier Franco
发明人： Chetan Ponnathpur , Thomas M. Yonushonis , Javier Franco
IPC分类号： F01N3/10
CPC分类号： F01N3/035 , F01N2510/0682
摘要： A pre-catalyst device configured to be disposed upstream of a main aftertreatment device of an engine exhaust system. An oxidizing material is disposed on an inlet face of the pre-catalyst device, where the oxidizing material is configured to oxidize engine exhaust before the engine exhaust reaches the main aftertreatment device of the engine exhaust system.
摘要翻译：一种预催化剂装置，其被配置为设置在发动机排气系统的主后处理装置的上游。在催化剂装置的入口面上配置有氧化性物质，氧化性物质构成为在发动机排气到达发动机排气系统的主后处理装置之前氧化发动机排气。

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