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1.发明授权Exhaust gas purifying apparatus for internal combustion engine and method for estimating collected amount of exhaust particles 有权用于内燃机的废气净化装置和用于估计废气颗粒的收集量的方法公开(公告)号：US07624571B2
公开(公告)日：2009-12-01
申请号：US11515791
申请日：2006-09-06
IPC分类号： F01N3/00
CPC分类号： F01N11/002 , F01N9/002 , F01N2560/02 , F01N2560/022 , F01N2560/023 , F01N2560/026 , Y02T10/47
摘要： An exhaust gas purifying apparatus for an internal combustion engine includes a collector, which collects exhaust particles in exhaust gas discharged from the internal combustion engine. The exhaust gas purifying apparatus computes an amount of a predetermined gas component in the exhaust gas, which passes through the collector. The exhaust gas purifying apparatus computes a collected amount of the exhaust particles based on a pressure difference across the collector, based on a temperature of the exhaust gas, which passes through the collector, and based on the amount of the predetermined gas component. The exhaust gas purifying apparatus regenerates the collector by burning the exhaust particles collected in the collector when the collected amount reaches a predetermined value.
摘要翻译： 用于内燃机的废气净化装置包括收集器，其收集从内燃机排出的废气中的废气颗粒。 废气净化装置计算通过集尘器的废气中的规定气体成分的量。 废气净化装置基于集尘器的压力差，基于通过集电体的废气的温度，并基于规定的气体成分的量，计算废气粒子的收集量。 废气净化装置在收集量达到规定值时，通过燃烧收集在集电体中的废气颗粒来再生收集器。
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公开(公告)号：US07841171B2
公开(公告)日：2010-11-30
申请号：US11594854
申请日：2006-11-09
CPC分类号： F01N9/002 , F01N3/0842 , F01N11/00 , F01N2550/04 , Y02T10/47
摘要： A method is disclosed for estimating an amount of deposited particulates (PM) in a collector of an internal combustion engine. The method includes estimating the amount of inflow of PM into the collector and estimating a basic amount of decreased PM that flows into the collector and is burned and decreased. The method also includes estimating the amount of ash deposited on the collector. The method further includes correcting the basic amount of decreased PM based on the estimated amount of ash. Moreover, the method includes estimating an amount of deposited PM by a history expression based on the estimated amount of inflow of PM and the corrected amount of decreased PM. A related device is also disclosed.
摘要翻译： 公开了一种用于估计内燃机的收集器中沉积的微粒（PM）的量的方法。 该方法包括估计PM进入收集器的流入量，并估计流入集热器并降低的PM的降低的基本量。 该方法还包括估计沉积在收集器上的灰分量。 该方法还包括基于估计的灰分量校正降低的PM的基本量。 此外，该方法包括基于估计的PM的流入量和校正的PM的减少量来估计存储的PM的历史表达量。 还公开了一种相关设备。
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公开(公告)号：US20070125076A1
公开(公告)日：2007-06-07
申请号：US11606054
申请日：2006-11-30
IPC分类号： F01N3/00
摘要： An exhaust gas purifying apparatus for a diesel engine has a filter provided in an exhaust pipe of the engine for trapping diesel particulates contained in exhaust gas. The filter is re-generated when an accumulated amount of the diesel particulates exceeds a predetermined value. An electronic control unit estimates the accumulated amount of the diesel particulates from a pressure loss at the filter, based on an accumulation characteristic in which the pressure loss is related to the accumulated amount of the diesel particulates, and corrects the accumulation characteristic depending on flow velocity of the exhaust gas.
摘要翻译： 用于柴油发动机的废气净化装置具有设置在发动机的排气管中的过滤器，用于捕集废气中所含的柴油微粒。 当柴油微粒的累积量超过预定值时，重新生成过滤器。 电子控制单元基于压力损失与柴油微粒的累积量相关的积累特性，根据过滤器的压力损失来估计柴油微粒的累积量，并且根据流速校正累积特性 的废气。
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公开(公告)号：US20070101697A1
公开(公告)日：2007-05-10
申请号：US11594854
申请日：2006-11-09
CPC分类号： F01N9/002 , F01N3/0842 , F01N11/00 , F01N2550/04 , Y02T10/47
摘要： A method is disclosed for estimating an amount of deposited particulates (PM) in a collector of an internal combustion engine. The method includes estimating the amount of inflow of PM into the collector and estimating a basic amount of decreased PM that flows into the collector and is burned and decreased. The method also includes estimating the amount of ash deposited on the collector. The method further includes correcting the basic amount of decreased PM based on the estimated amount of ash. Moreover, the method includes estimating an amount of deposited PM by a history expression based on the estimated amount of inflow of PM and the corrected amount of decreased PM. A related device is also disclosed.
摘要翻译： 公开了一种用于估计内燃机的收集器中沉积的微粒（PM）的量的方法。 该方法包括估计PM进入收集器的流入量，估计流入集热器并降低的PM的降低的基本量。 该方法还包括估计沉积在收集器上的灰分量。 该方法还包括基于估计的灰分量校正降低的PM的基本量。 此外，该方法包括基于估计的PM的流入量和校正的PM的减少量来估计存储的PM的历史表达量。 还公开了一种相关设备。
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公开(公告)号：US07707827B2
公开(公告)日：2010-05-04
申请号：US11606054
申请日：2006-11-30
IPC分类号： F01N3/00 , B01D39/00 , B01D41/00 , B01D45/00 , B01D46/00 , B01D49/00 , B01D50/00 , B01D51/00 , B01D46/46
摘要： An exhaust gas purifying apparatus for a diesel engine has a filter provided in an exhaust pipe of the engine for trapping diesel particulates contained in exhaust gas. The filter is re-generated when an accumulated amount of the diesel particulates exceeds a predetermined value. An electronic control unit estimates the accumulated amount of the diesel particulates from a pressure loss at the filter, based on an accumulation characteristic in which the pressure loss is related to the accumulated amount of the diesel particulates, and corrects the accumulation characteristic depending on flow velocity of the exhaust gas.
摘要翻译： 用于柴油发动机的废气净化装置具有设置在发动机的排气管中的过滤器，用于捕集废气中所含的柴油微粒。 当柴油微粒的累积量超过预定值时，重新生成过滤器。 电子控制单元基于压力损失与柴油微粒的累积量相关的积累特性，根据过滤器的压力损失来估计柴油微粒的累积量，并且根据流速校正累积特性 的废气。
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6.发明申请Exhaust gas purifying apparatus for internal combustion engine and method for estimating collected amount of exhaust particles 有权用于内燃机的废气净化装置和用于估计废气颗粒的收集量的方法公开(公告)号：US20070051099A1
公开(公告)日：2007-03-08
申请号：US11515791
申请日：2006-09-06
CPC分类号： F01N11/002 , F01N9/002 , F01N2560/02 , F01N2560/022 , F01N2560/023 , F01N2560/026 , Y02T10/47
摘要： An exhaust gas purifying apparatus for an internal combustion engine includes a collector, which collects exhaust particles in exhaust gas discharged from the internal combustion engine. The exhaust gas purifying apparatus computes an amount of a predetermined gas component in the exhaust gas, which passes through the collector. The exhaust gas purifying apparatus computes a collected amount of the exhaust particles based on a pressure difference across the collector, based on a temperature of the exhaust gas, which passes through the collector, and based on the amount of the predetermined gas component. The exhaust gas purifying apparatus regenerates the collector by burning the exhaust particles collected in the collector when the collected amount reaches a predetermined value.
摘要翻译： 用于内燃机的废气净化装置包括收集器，其收集从内燃机排出的废气中的废气颗粒。 废气净化装置计算通过集尘器的废气中的规定气体成分的量。 废气净化装置基于集尘器的压力差，基于通过集电体的废气的温度，并基于规定的气体成分的量，计算废气粒子的收集量。 废气净化装置在收集量达到规定值时，通过燃烧收集在集电体中的废气颗粒来再生收集器。
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公开(公告)号：US20060225409A1
公开(公告)日：2006-10-12
申请号：US11399361
申请日：2006-04-07
IPC分类号： F01N3/00
CPC分类号： F01N9/002 , F01N3/023 , F01N11/002 , F02D41/024 , F02D41/029 , F02D2200/0812 , Y02T10/47 , Y10S55/30
摘要： A diesel particulate filter (DPF) for trapping exhaust particulates is located in an exhaust passage of a diesel engine. Deposit amounts of a soluble organic fraction (SOF) as an organic solvent soluble component and soot as a solid carbon component of exhaust particulate components deposited in the DPF are estimated respectively. When the SOF deposit amount reaches an SOF elimination execution deposit amount, the DPF is heated to or over relatively low SOF combustion temperature to execute SOF elimination treatment. When the soot deposit amount reaches a soot elimination execution deposit amount, the DPF is heated to or over relatively high soot combustion temperature to execute soot elimination treatment. The SOF elimination treatment is executed before the SOF becomes excessive to prevent rapid combustion of the soot due to combustion of the SOF.
摘要翻译： 用于捕集废气颗粒的柴油微粒过滤器（DPF）位于柴油发动机的排气通道中。 分别估计作为有机溶剂可溶成分的可溶性有机部分（SOF）和作为沉积在DPF中的废气颗粒成分的固体碳成分的烟灰的沉积量。 当SOF沉积量达到SOF消除执行沉积量时，DPF被加热到或超过相对低的SOF燃烧温度以执行SOF消除处理。 当烟灰沉积量达到除烟执行沉积量时，DPF被加热到或超过相对较高的烟灰燃烧温度以执行烟灰消除处理。 在SOF过量之前执行SOF消除处理，以防止SOF燃烧引起的烟灰的快速燃烧。
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公开(公告)号：US20060021334A1
公开(公告)日：2006-02-02
申请号：US11183961
申请日：2005-07-19
IPC分类号： F01N3/00
CPC分类号： F02D41/029 , F01N3/0231 , F01N9/002 , F02D2200/0812 , Y02T10/47
摘要： The amount of accumulated particulate matter, which is accumulated in a particulate filter, is computed based on the amount of exhausted particulate matter, which is exhausted from an engine, and the amount of reduced particulate matter, which is reduced in the filter. The amount of reduced particulate matter includes the amount of reduced particulate matter, which is reduced through oxidizing reaction of the accumulated particulate matter with NO2. At the time of computing this amount, reduction of the particulate matter through oxidizing reaction with adsorbed NO2, which is adsorbed by the accumulated particulate matter, is concerned in addition to reduction of the particulate matter through oxidizing reaction with NO2, which is present in the surrounding atmosphere around the accumulated particulate matter.
摘要翻译： 基于从发动机排出的排出的颗粒物质的量和在过滤器中减少的减少的颗粒物质的量来计算积聚在颗粒过滤器中的累积颗粒物的量。 减少的颗粒物质的量包括减少的颗粒物质的量，其通过NO 2的累积颗粒物质的氧化反应而减少。 在计算该量时，除了通过氧化反应还原颗粒物之外，还涉及通过被累积的颗粒物质吸附的吸附的NO 2氧化物反应的颗粒物质的减少 其中存在于累积颗粒物周围的周围大气中的NO 2 2。
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公开(公告)号：US20050154523A1
公开(公告)日：2005-07-14
申请号：US11032166
申请日：2005-01-11
申请人： Shigeto Yahata , Makoto Saito , Kazuharu Tochikawa
发明人： Shigeto Yahata , Makoto Saito , Kazuharu Tochikawa
IPC分类号： F02D45/00 , B01D46/42 , B01D53/94 , F01N3/02 , F01N3/023 , F01N9/00 , F01N11/00 , F02B29/04 , F02B37/00 , F02M25/07 , G06F19/00
CPC分类号： F01N9/002 , F01N11/002 , F01N2560/06 , F01N2900/0421 , F02B29/0406 , F02B37/00 , F02D41/1448 , F02D2200/0802 , F02D2200/0804 , F02D2200/0812 , F02M26/05 , F02M26/23 , Y02T10/47
摘要： An exhaust gas purification system determines a deposited state of particulate matters based on a differential pressure across a diesel particulate filter (DPF) sensed by a differential pressure sensor. An electronic control unit (ECU) of the system prohibits the determination of the deposited state of the particulate matters, which is performed based on the differential pressure, when uniformity of temperature distribution inside the DPF is low. The ECU estimates temperatures at multiple points inside the DPF distant from an inlet along a direction of a flow of exhaust gas based on the temperature at the inlet sensed by an exhaust gas temperature sensor disposed immediately upstream of the DPF. The ECU determines the uniformity of the temperature distribution inside the DPF based on a range of the temperatures at the multiple points.
摘要翻译： 废气净化系统基于差压传感器感测到的柴油机微粒过滤器（DPF）上的差压来确定颗粒物质的沉积状态。 当DPF内部的温度分布均匀性低时，系统的电子控制单元（ECU）禁止基于差压进行的颗粒物质的沉积状态的确定。 ECU基于由紧邻DPF的上游设置的排气温度传感器感测的入口处的温度，估计沿着排气流动方向远离入口的DPF内的多个点处的温度。 ECU基于多个点处的温度范围来确定DPF内的温度分布的均匀性。
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10.发明授权公开(公告)号：US07793538B2
公开(公告)日：2010-09-14
申请号：US11937323
申请日：2007-11-08
IPC分类号： G01M15/00
CPC分类号： F01N11/002 , F01N11/005 , F01N2900/0422 , Y02T10/47
摘要： A diagnostic apparatus monitors a pressure difference detection apparatus that detects the pressure difference across an engine exhaust gas cleansing device in an exhaust gas system, with the diagnostic apparatus recognizing a condition of impeded transfer of gas between the pressure difference detection apparatus and the exhaust gas system, based upon a manner of convergence of successive detected pressure difference values that are produced by the pressure difference detection apparatus following a change in the exhaust gas flow rate.
摘要翻译： 诊断装置监视检测排气系统中的发动机废气净化装置的压力差的压力差检测装置，诊断装置识别压力差检测装置与废气系统之间的气体阻碍状态 基于随着废气流量变化而由压力差检测装置产生的连续检测的压力差值的收敛方式。
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