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公开(公告)号：US08881504B2
公开(公告)日：2014-11-11
申请号：US13560136
申请日：2012-07-27
IPC分类号： F01N3/00
CPC分类号： F01N3/2066 , B60R16/03 , F01N3/106 , F01N9/00 , F01N2240/16 , H02J7/14 , Y02A50/2325 , Y02T10/24 , Y02T10/47 , Y02T10/7011
摘要： An exhaust gas treatment system for an internal combustion engine is provided. The exhaust gas system includes an exhaust gas conduit, a generator, a vehicle electrical system, a primary energy storage device, a rechargeable secondary energy storage device, an electrically heated catalyst (“EHC”) device, and a control module. The primary energy storage device is selectively connected to the generator. The primary energy storage device has a threshold state of charge (“SOC”). The rechargeable secondary energy storage device is selectively connected to the generator and the vehicle electrical system. The EHC device is in fluid communication with the exhaust gas conduit. The EHC device has an electric heater that is selectively connected the generator for receiving energy and a selectively activated catalyst that is heated to a respective light-off temperature.
摘要翻译： 提供了一种用于内燃机的废气处理系统。 排气系统包括废气导管，发电机，车辆电气系统，一次能量存储装置，可再充电次级储能装置，电加热催化剂（“EHC”）装置和控制模块。 一次能量存储装置选择性地连接到发电机。 一次能量存储装置具有阈值充电状态（“SOC”）。 可再充电二次能量存储装置选择性地连接到发电机和车辆电气系统。 EHC装置与废气管道流体连通。 EHC装置具有选择性地连接发电机以接收能量的电加热器和被加热到相应的关闭温度的选择性活化的催化剂。
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2.发明申请公开(公告)号：US20130133307A1
公开(公告)日：2013-05-30
申请号：US13304802
申请日：2011-11-28
CPC分类号： F01N3/2066 , B60W10/30 , B60Y2300/474 , F01N3/106 , F01N3/2026 , F01N9/00 , F01N2900/08 , F01N2900/104 , F01N2900/1404 , Y02A50/2325 , Y02T10/24 , Y02T10/26 , Y02T10/47
摘要： A power system and a method for energizing an electrically heated catalyst are provided. The system includes a controller that generates a first control signal to set a switching device to a first operational state if the first temperature level downstream of the catalyst is less than a threshold temperature level and the engine is being decelerated. The controller further generates a second control signal to induce a generator to output a second voltage if the first temperature level is less than the threshold temperature level and the engine is being decelerated, such that the second voltage is applied through the switching device in the first operational state to the catalyst to increase a temperature of the catalyst.
摘要翻译： 提供了一种电力系统和用于激励电加热的催化剂的方法。 如果催化剂下游的第一温度级别小于阈值温度水平并且发动机正在减速，则该系统包括产生第一控制信号以将开关装置设置为第一操作状态的控制器。 如果第一温度水平低于阈值温度水平并且发动机正在减速，则控制器进一步产生第二控制信号以诱导发电机输出第二电压，使得第二电压通过开关装置在第一 催化剂的操作状态以增加催化剂的温度。
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3.发明申请公开(公告)号：US20140060014A1
公开(公告)日：2014-03-06
申请号：US13604123
申请日：2012-09-05
IPC分类号： F01N3/10
CPC分类号： F01N9/00 , F01N3/106 , F01N3/2026 , F01N3/2066 , F01N13/009 , H02P2101/45 , Y02T10/24 , Y02T10/26 , Y02T10/47
摘要： An exhaust gas treatment system for an internal combustion engine is provided and includes an exhaust gas conduit, a generator, an electrically heated catalyst (“EHC”) device, and a control module. The exhaust gas conduit is in fluid communication with, and is configured to receive an exhaust gas from the internal combustion engine. The generator operates at a generator speed to produce electrical power. The EHC device is in fluid communication with the exhaust gas conduit. The EHC device includes a monolith structure that is divided into a plurality of segments that define discrete resistive paths. The resistive paths are selectively connected to the generator for receiving electrical power. The control module is in communication with the EHC device, the generator, and the internal combustion engine. The control module includes control logic for determining the generator speed.
摘要翻译： 提供了一种用于内燃机的废气处理系统，包括排气导管，发电机，电加热催化剂（“EHC”）装置和控制模块。 废气导管与内燃机流体连通并配置成接收来自内燃机的废气。 发电机以发电机的速度运行以产生电力。 EHC装置与废气管道流体连通。 EHC装置包括整体结构，其被分成限定离散电阻路径的多个段。 电阻路径选择性地连接到发电机以接收电力。 控制模块与EHC装置，发电机和内燃机连通。 控制模块包括用于确定发电机速度的控制逻辑。
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公开(公告)号：US20140026544A1
公开(公告)日：2014-01-30
申请号：US13560136
申请日：2012-07-27
IPC分类号： F01N3/20
CPC分类号： F01N3/2066 , B60R16/03 , F01N3/106 , F01N9/00 , F01N2240/16 , H02J7/14 , Y02A50/2325 , Y02T10/24 , Y02T10/47 , Y02T10/7011
摘要： An exhaust gas treatment system for an internal combustion engine is provided. The exhaust gas system includes an exhaust gas conduit, a generator, a vehicle electrical system, a primary energy storage device, a rechargeable secondary energy storage device, an electrically heated catalyst (“EHC”) device, and a control module. The primary energy storage device is selectively connected to the generator. The primary energy storage device has a threshold state of charge (“SOC”). The rechargeable secondary energy storage device is selectively connected to the generator and the vehicle electrical system. The EHC device is in fluid communication with the exhaust gas conduit. The EHC device has an electric heater that is selectively connected the generator for receiving energy and a selectively activated catalyst that is heated to a respective light-off temperature.
摘要翻译： 提供了一种用于内燃机的废气处理系统。 排气系统包括废气导管，发电机，车辆电气系统，一次能量存储装置，可再充电次级储能装置，电加热催化剂（“EHC”）装置和控制模块。 一次能量存储装置选择性地连接到发电机。 一次能量存储装置具有阈值充电状态（“SOC”）。 可再充电二次能量存储装置选择性地连接到发电机和车辆电气系统。 EHC装置与废气管道流体连通。 EHC装置具有选择性地连接发电机以接收能量的电加热器和被加热到相应的关闭温度的选择性活化的催化剂。
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5.发明授权公开(公告)号：US08826652B2
公开(公告)日：2014-09-09
申请号：US13304802
申请日：2011-11-28
IPC分类号： F01N3/10
CPC分类号： F01N3/2066 , B60W10/30 , B60Y2300/474 , F01N3/106 , F01N3/2026 , F01N9/00 , F01N2900/08 , F01N2900/104 , F01N2900/1404 , Y02A50/2325 , Y02T10/24 , Y02T10/26 , Y02T10/47
摘要： A power system and a method for energizing an electrically heated catalyst are provided. The system includes a controller that generates a first control signal to set a switching device to a first operational state if the first temperature level downstream of the catalyst is less than a threshold temperature level and the engine is being decelerated. The controller further generates a second control signal to induce a generator to output a second voltage if the first temperature level is less than the threshold temperature level and the engine is being decelerated, such that the second voltage is applied through the switching device in the first operational state to the catalyst to increase a temperature of the catalyst.
摘要翻译： 提供了一种电力系统和用于激励电加热的催化剂的方法。 如果催化剂下游的第一温度级别小于阈值温度水平并且发动机正在减速，则该系统包括产生第一控制信号以将开关装置设置为第一操作状态的控制器。 如果第一温度水平低于阈值温度水平并且发动机正在减速，则控制器进一步产生第二控制信号以诱导发电机输出第二电压，使得第二电压通过开关装置在第一 催化剂的操作状态以增加催化剂的温度。
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公开(公告)号：US20130111886A1
公开(公告)日：2013-05-09
申请号：US13290671
申请日：2011-11-07
IPC分类号： F01N9/00
CPC分类号： F01N3/106 , F01N3/0814 , F01N3/0842 , F01N3/108 , F01N3/2013 , F01N3/2033 , F01N3/2066 , F01N3/208 , F01N9/00 , F01N2560/026 , F01N2560/06 , F01N2560/14 , F01N2900/1404 , Y02T10/24 , Y02T10/26 , Y02T10/47
摘要： An exhaust gas treatment system for an internal combustion engine is provided, and includes an exhaust gas conduit, an upstream selective catalytic reduction (“SCR”) device, an electrically heated catalyst (“EHC”) device, an oxidation catalyst (“OC”) device, a downstream SCR device, and a control module. The EHC device is in fluid communication with the exhaust gas conduit and is configured to receive the exhaust gas. The EHC device is located downstream of the upstream SCR device and is selectively activated to produce heat. The OC device is in fluid communication with the exhaust gas conduit, and is selectively heated by the EHC device. At least one of the EHC device and the OC device have a NOx adsorber catalyst disposed thereon for selectively adsorbing NOx below a threshold temperature and substantially releasing NOx above the threshold temperature.
摘要翻译： 提供了一种用于内燃机的废气处理系统，包括排气导管，上游选择性催化还原（SCR）装置，电加热催化剂（“EHC”）装置，氧化催化剂（“OC” ）设备，下游SCR设备和控制模块。 EHC装置与废气导管流体连通并且被配置为接收废气。 EHC装置位于上游SCR装置的下游，并被选择性地激活以产生热量。 OC装置与废气导管流体连通，并被EHC装置选择性加热。 EHC装置和OC装置中的至少一个具有设置在其上的用于选择性地吸附低于阈值温度的NOx并基本上释放高于阈值温度的NOx的NOx吸附剂催化剂。
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7.发明授权公开(公告)号：US09016045B2
公开(公告)日：2015-04-28
申请号：US13604123
申请日：2012-09-05
CPC分类号： F01N9/00 , F01N3/106 , F01N3/2026 , F01N3/2066 , F01N13/009 , H02P2101/45 , Y02T10/24 , Y02T10/26 , Y02T10/47
摘要： An exhaust gas treatment system for an internal combustion engine is provided and includes an exhaust gas conduit, a generator, an electrically heated catalyst (“EHC”) device, and a control module. The exhaust gas conduit is in fluid communication with, and is configured to receive an exhaust gas from the internal combustion engine. The generator operates at a generator speed to produce electrical power. The EHC device is in fluid communication with the exhaust gas conduit. The EHC device includes a monolith structure that is divided into a plurality of segments that define discrete resistive paths. The resistive paths are selectively connected to the generator for receiving electrical power. The control module is in communication with the EHC device, the generator, and the internal combustion engine. The control module includes control logic for determining the generator speed.
摘要翻译： 提供了一种用于内燃机的废气处理系统，包括排气导管，发电机，电加热催化剂（“EHC”）装置和控制模块。 废气导管与内燃机流体连通并配置成接收来自内燃机的废气。 发电机以发电机的速度运行以产生电力。 EHC装置与废气管道流体连通。 EHC装置包括整体结构，其被分成限定离散电阻路径的多个段。 电阻路径选择性地连接到发电机以接收电力。 控制模块与EHC装置，发电机和内燃机连通。 控制模块包括用于确定发电机速度的控制逻辑。
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公开(公告)号：US08661790B2
公开(公告)日：2014-03-04
申请号：US13290671
申请日：2011-11-07
CPC分类号： F01N3/106 , F01N3/0814 , F01N3/0842 , F01N3/108 , F01N3/2013 , F01N3/2033 , F01N3/2066 , F01N3/208 , F01N9/00 , F01N2560/026 , F01N2560/06 , F01N2560/14 , F01N2900/1404 , Y02T10/24 , Y02T10/26 , Y02T10/47
摘要： An exhaust gas treatment system for an internal combustion engine is provided, and includes an exhaust gas conduit, an upstream selective catalytic reduction (“SCR”) device, an electrically heated catalyst (“EHC”) device, an oxidation catalyst (“OC”) device, a downstream SCR device, and a control module. The EHC device is in fluid communication with the exhaust gas conduit and is configured to receive the exhaust gas. The EHC device is located downstream of the upstream SCR device and is selectively activated to produce heat. The OC device is in fluid communication with the exhaust gas conduit, and is selectively heated by the EHC device. At least one of the EHC device and the OC device have a NOx adsorber catalyst disposed thereon for selectively adsorbing NOx below a threshold temperature and substantially releasing NOx above the threshold temperature.
摘要翻译： 提供了一种用于内燃机的废气处理系统，包括排气导管，上游选择性催化还原（SCR）装置，电加热催化剂（“EHC”）装置，氧化催化剂（“OC” ）设备，下游SCR设备和控制模块。 EHC装置与废气导管流体连通并且被配置为接收废气。 EHC装置位于上游SCR装置的下游，并被选择性地激活以产生热量。 OC装置与废气导管流体连通，并被EHC装置选择性加热。 EHC装置和OC装置中的至少一个具有设置在其上的用于选择性地吸附低于阈值温度的NOx并基本上释放高于阈值温度的NOx的NOx吸附剂催化剂。
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9.发明授权Method for reducing NH3 release from SCR catalysts during thermal transients 有权在热瞬变期间减少SCR催化剂中NH3释放的方法公开(公告)号：US08713917B2
公开(公告)日：2014-05-06
申请号：US12029644
申请日：2008-02-12
IPC分类号： F01N3/20
CPC分类号： F01N3/208 , F01N2560/06 , F01N2610/146 , F01N2900/0402 , F01N2900/1402 , F01N2900/1621 , F01N2900/1622 , Y02T10/24
摘要： A control system includes a temperature module that determines a temperature of a selective catalytic reduction (SCR) catalyst, a derivative module that determines a derivative of the temperature, and a dosing module that regulates a dosage of a reductant supplied to the SCR catalyst to regulate an engine out NOx level. A control module generates control signals based on the temperature derivative, wherein the control signals regulate an amount of reductant accumulated within the SCR catalyst to reduce reductant release from the SCR catalyst during thermal transients.
摘要翻译： 控制系统包括确定选择性催化还原（SCR）催化剂的温度的温度模块，确定温度的衍生物的衍生模块和调节供应给SCR催化剂以调节的还原剂的剂量的计量模块 发动机排出NOx水平。 控制模块基于温度导数产生控制信号，其中控制信号调节在SCR催化剂内累积的还原剂的量，以减少在热瞬变期间从SCR催化剂释放的还原剂。
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10.发明申请METHOD FOR REDUCING NH3 RELEASE FROM SCR CATALYSTS DURING THERMAL TRANSIENTS 有权在热过渡期间从SCR催化剂中还原NH3释放的方法公开(公告)号：US20090056315A1
公开(公告)日：2009-03-05
申请号：US12029644
申请日：2008-02-12
CPC分类号： F01N3/208 , F01N2560/06 , F01N2610/146 , F01N2900/0402 , F01N2900/1402 , F01N2900/1621 , F01N2900/1622 , Y02T10/24
摘要： A control system includes a temperature module that determines a temperature of a selective catalytic reduction (SCR) catalyst, a derivative module that determines a derivative of the temperature, and a dosing module that regulates a dosage of a reductant supplied to the SCR catalyst to regulate an engine out NOx level. A control module generates control signals based on the temperature derivative, wherein the control signals regulate an amount of reductant accumulated within the SCR catalyst to reduce reductant release from the SCR catalyst during thermal transients.
摘要翻译： 控制系统包括确定选择性催化还原（SCR）催化剂的温度的温度模块，确定温度的衍生物的衍生模块和调节供应给SCR催化剂以调节的还原剂的剂量的计量模块 发动机排出NOx水平。 控制模块基于温度导数产生控制信号，其中控制信号调节在SCR催化剂内累积的还原剂的量，以减少在热瞬变期间从SCR催化剂释放的还原剂。
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