公开(公告)号：US08250913B2

公开(公告)日：2012-08-28

申请号：US12512825

申请日：2009-07-30

申请人： Kang Won Lee ,  Jungwhun Kang

发明人： Kang Won Lee ,  Jungwhun Kang

IPC分类号： G01M15/10

CPC分类号： F01N3/208 ,  F01N2560/026 ,  F01N2610/02 ,  F01N2610/1453 ,  F01N2900/0408 ,  F01N2900/1622 ,  Y02A50/2325 ,  Y02T10/24

摘要： A system for and process of is provided for calculating SCR conversion efficiency by applying a reference control signal by which a urea dosing module is controlled to an NOx conversion value respectively in absorption and release modes of NH3 according to a loading amount of the NH3 determined from the SCR efficiency map. The system and process may include a process of determining the NOx conversion value according to a loading amount of NH3, a process of detecting the reference control signal of the dosing module injecting the urea solution, and a process of calculating the SCR conversion efficiency based on the determined NOx conversion value and reference control signal of the dosing module.

摘要翻译： 提供了一种用于和处理的系统，用于通过将根据NH 3的吸收和释放模式的NH 3的吸收和释放模式分别控制尿素计量模块的参考控制信号分配到NOx转化值，根据由NH 3确定的NH 3的负载量 SCR效率图。 该系统和方法可以包括根据NH 3的负载量确定NOx转化值的过程，检测注入尿素溶液的给药模块的参考控制信号的过程以及基于 确定的NOx转化值和给料模块的参考控制信号。

公开(公告)号：US20100139380A1

公开(公告)日：2010-06-10

申请号：US12512825

申请日：2009-07-30

申请人： Kang Won LEE ,  Jungwhun Kang

发明人： Kang Won LEE ,  Jungwhun Kang

IPC分类号： G01M15/10

CPC分类号： F01N3/208 ,  F01N2560/026 ,  F01N2610/02 ,  F01N2610/1453 ,  F01N2900/0408 ,  F01N2900/1622 ,  Y02A50/2325 ,  Y02T10/24

摘要： A system for and process of is provided for calculating SCR conversion efficiency by applying a reference control signal by which a urea dosing module is controlled to an NOx conversion value respectively in absorption and release modes of NH3 according to a loading amount of the NH3 determined from the SCR efficiency map. The system and process may include a process of determining the NOx conversion value according to a loading amount of NH3, a process of detecting the reference control signal of the dosing module injecting the urea solution, and a process of calculating the SCR conversion efficiency based on the determined NOx conversion value and reference control signal of the dosing module.

摘要翻译： 提供了一种用于和处理的系统，用于通过将根据NH 3的吸收和释放模式的NH 3的吸收和释放模式分别控制尿素计量模块的参考控制信号分配到NOx转化值，根据由NH 3确定的NH 3的负载量 SCR效率图。 该系统和方法可以包括根据NH 3的负载量确定NOx转化值的过程，检测注入尿素溶液的给药模块的参考控制信号的过程以及基于 确定的NOx转化值和给料模块的参考控制信号。

公开(公告)号：US08380353B2

公开(公告)日：2013-02-19

申请号：US12267320

申请日：2008-11-07

申请人： Jungwhun Kang

发明人： Jungwhun Kang

IPC分类号： G05B21/00

CPC分类号： F01N3/208 ,  F01N3/021 ,  F01N3/106 ,  F01N13/009 ,  F01N2560/026 ,  F01N2560/06 ,  F01N2560/07 ,  F01N2570/18 ,  F01N2610/02 ,  F01N2610/146 ,  F01N2900/1622 ,  Y02T10/24

摘要： The present invention relates to a method for calculating loading amount of ammonia in a selective catalytic reduction apparatus, which may include: detecting a change amount of temperature in the selective catalytic reduction apparatus; determining whether the change amount of temperature in the selective catalytic reduction apparatus increases; calculating a loading modification amount of ammonia according to the change amount of temperature if the change amount of temperature in the selective catalytic reduction apparatus increases; calculating a loading change amount of ammonia based on the calculated loading modification amount of ammonia; calculating a current loading amount of ammonia based on the calculated loading change amount of ammonia; and dosing the current loading amount of ammonia into the selective catalytic reduction apparatus.

摘要翻译： 本发明涉及一种用于计算选择性催化还原装置中的氨负载量的方法，其可以包括：检测选择性催化还原装置中的温度变化量; 确定选择性催化还原装置中的温度变化量是否增加; 如果选择性催化还原装置中的温度变化量增加，则根据温度变化量来计算氨的装载量; 基于计算的氨加载量计算氨的负荷变化量; 基于计算的氨的负荷变化量计算氨的当前负载量; 并将氨的当前负载量加入到选择性催化还原装置中。