公开(公告)号：US09689778B2

公开(公告)日：2017-06-27

申请号：US14168485

申请日：2014-01-30

Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

Inventor： Min Sun ,  Michelangelo Ardanese ,  Michele Bilancia ,  Giorgio Sticchi

IPC: G01M15/10 ,  G01N33/00

CPC classification number: G01M15/102 ,  G01N33/0036 ,  Y02A50/25

Abstract: A method of estimating a current soot output from an engine includes sensing a mass flow rate of a flow of exhaust gas from the engine, and defining a soot output base rate of the engine when the engine is operating at a reference state. A soot ratio for a current operating state of the engine is calculated. The mass flow rate, the soot output base rate, and the soot ratio are multiplied together to define an estimated value of the current soot output from the engine. The soot ratio is based on current engine operating parameters, including an air/fuel ratio of the engine, an exhaust gas recirculation ratio of the engine, a fuel injection pressure of the engine, and a fuel injection timing of the engine.

公开(公告)号：US09352280B2

公开(公告)日：2016-05-31

申请号：US14163120

申请日：2014-01-24

Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

Inventor： Min Sun ,  Michelangelo Ardanese ,  Stefano Cassani ,  Andrea Dutto

IPC: B01D53/94 ,  F01N3/08 ,  F01N3/20 ,  F01N9/00

CPC classification number: B01D53/9495 ,  B01D53/9459 ,  F01N3/0814 ,  F01N3/2006 ,  F01N3/208 ,  F01N9/002 ,  F01N9/005 ,  F01N2610/03 ,  F01N2900/0601 ,  F01N2900/1402 ,  F01N2900/1618 ,  F01N2900/1621 ,  F01N2900/1622 ,  Y02T10/47

Abstract: A method of estimating hydrocarbon storage in a catalytic device of an exhaust gas treatment system includes calculating an amount of hydrocarbons absorbed in the catalytic device per unit volume of exhaust gas over a period of time, calculating an amount of hydrocarbons desorbed in the catalytic device per unit volume of exhaust gas over the period of time, and calculating an amount of hydrocarbons oxidized in the catalytic device per unit volume of exhaust gas over the period of time. The amount of hydrocarbons oxidized in the catalytic device and the amount of hydrocarbons desorbed in the catalytic device are subtracted from the amount of hydrocarbons absorbed in the catalytic device to determine the amount of hydrocarbons stored in the catalytic device.

Abstract translation: 一种估计废气处理系统的催化装置中的烃储存的方法包括计算在一段时间内每单位体积废气中催化装置中吸收的烃的量，计算每个催化装置中解吸的烃的量 在一段时间内排气的单位体积，并计算在一段时间内每单位体积排气中的催化装置中氧化的烃的量。 在催化装置中氧化的烃的量和在催化装置中解吸的烃的量从在催化装置中吸收的烃的量减去以确定存储在催化装置中的烃的量。

公开(公告)号：US09032719B2

公开(公告)日：2015-05-19

申请号：US13943142

申请日：2013-07-16

Applicant: GM Global Technology Operations LLC

Inventor： Min Sun, Jr. ,  Michelangelo Ardanese ,  Vincent J. Tylutki ,  Igor Anilovich

IPC: F01N3/02 ,  F01N11/00 ,  F01N3/021 ,  G01M15/10 ,  G01N15/08

CPC classification number: F01N11/00 ,  F01N3/021 ,  F01N2560/05 ,  F01N2900/0416 ,  F01N2900/1606 ,  G01M15/102 ,  G01N15/08 ,  G01N15/082 ,  G01N2015/084 ,  Y02T10/47

Abstract: A method for particulate filter performance monitoring in an exhaust gas treatment system is provided. The method includes monitoring a current received from a soot sensor in the exhaust gas treatment system and comparing the current to a soot sensor current threshold. Based on determining that the current is greater than or equal to the soot sensor current threshold, an accumulated engine out soot value is compared to an accumulated engine out soot threshold. A particulate filter fault is set based on determining that the accumulated engine out soot value is less than the accumulated engine out soot threshold. A monitoring system and an exhaust gas treatment system of an engine are also provided.

Abstract translation: 提供了一种废气处理系统中的微粒过滤器性能监测方法。 该方法包括监测从废气处理系统中的烟灰传感器接收的电流，并将电流与烟尘传感器电流阈值进行比较。 基于确定电流大于或等于烟尘传感器电流阈值，将累积的发动机熄火烟炱值与积累的发动机熄火烟炱阈值进行比较。 基于确定积存的发动机熄火烟灰值小于累积发动机熄火烟灰阈值来设定微粒过滤器故障。 还提供了发动机的监测系统和废气处理系统。

公开(公告)号：US20180038298A1

公开(公告)日：2018-02-08

申请号：US15225972

申请日：2016-08-02

Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

Inventor： Charles E. Dean ,  Michael A. Smith ,  Michelangelo Ardanese ,  Jon C. Miller

IPC: F02D41/02 ,  F02D41/04 ,  F01N3/027 ,  F01N11/00 ,  F01N3/20 ,  F01N3/021

CPC classification number: F02D41/029 ,  F01N3/021 ,  F01N3/027 ,  F01N3/035 ,  F01N3/208 ,  F01N9/002 ,  F01N11/002 ,  F01N11/007 ,  F01N2550/04 ,  F01N2900/0418 ,  F01N2900/10 ,  F01N2900/14 ,  F02D41/04 ,  F02D41/405 ,  Y02A50/2325 ,  Y02T10/24 ,  Y02T10/47

Abstract: A method for controlling an exhaust gas treatment system is provided. The exhaust gas treatment system includes an exhaust gas stream supplied by an exhaust gas source to a selective catalytic reduction device and a particulate filter device. Additionally or alternatively, the exhaust gas treatment system includes an exhaust gas stream supplied by an exhaust gas source to a selective catalytic reduction filter device. The method comprises initiating a selective catalytic reduction device service in response to a reductant dosing adaptation. The method can further include satisfying a secondary condition prior to initiating a selective catalytic reduction device service. The device service can include increasing the exhaust gas temperature or initiating an active regeneration of the particulate filter device.

公开(公告)号：US20170211445A1

公开(公告)日：2017-07-27

申请号：US15002813

申请日：2016-01-21

Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

Inventor： Charles E. Dean ,  Andrea Hidalgo ,  Michelangelo Ardanese

IPC: F01N3/20 ,  B01D53/96 ,  F01N9/00 ,  F01N11/00 ,  F01N3/10 ,  F01N3/035

CPC classification number: F01N3/2033 ,  B01D53/965 ,  F01N3/035 ,  F01N3/103 ,  F01N9/002 ,  F01N11/002 ,  F01N2390/02 ,  F01N2610/03 ,  F01N2900/1404 ,  F01N2900/1411 ,  F01N2900/1602 ,  Y02T10/26 ,  Y02T10/47

Abstract: An exhaust gas assembly includes an exhaust gas tube configured to receive an exhaust gas from the internal combustion engine, which includes at least one cylinder. An oxidation catalytic device may be operatively connected to the exhaust gas tube and includes a catalyst. A first temperature sensor is operatively connected to the oxidation catalytic device. A controller is operatively connected to the first temperature sensor. A hydrocarbon injector is operatively connected to the controller and configured to selectively inject an amount of hydrocarbon at a hydrocarbon injection rate. The controller includes a processor and tangible, non-transitory memory on which is recorded instructions for executing a method of controlling the hydrocarbon injection rate. The controller may be programmed to limit the hydrocarbon injection rate based at least partially on a combination of space velocity, temperature of the catalyst in the oxidation catalytic device and temperature of a particulate filter.

公开(公告)号：US08906134B2

公开(公告)日：2014-12-09

申请号：US13671918

申请日：2012-11-08

Applicant: GM Global Technology Operations LLC

Inventor： Min Sun ,  Michelangelo Ardanese ,  Jean-Yves Lavallee ,  Amanpal S. Grewal ,  Paul Jasinkiewicz

IPC: B01D39/06 ,  B01D39/20 ,  B01D39/14 ,  B01D50/00 ,  B01D46/46 ,  F02D41/14 ,  F02D41/02 ,  F01N11/00 ,  B01D46/00 ,  F01N9/00

CPC classification number: F01N11/007 ,  B01D46/0057 ,  F01N9/002 ,  F01N11/00 ,  F01N2550/04 ,  F01N2560/026 ,  F01N2900/08 ,  F01N2900/1402 ,  F01N2900/1606 ,  F02D41/029 ,  F02D41/1454 ,  F02D41/1461 ,  F02D41/1467 ,  F02D2200/0618 ,  Y02T10/47

Abstract: A method for engine-out soot flow rate prediction of an exhaust gas treatment system is provided. A measured level of oxides of nitrogen in the exhaust gas treatment system is received. An engine fuel injection timing and air-fuel ratio of an engine producing the oxides of nitrogen are also received. An engine timing factor is determined based on the engine fuel injection timing. An engine air-fuel ratio factor is determined based on the engine air-fuel ratio. An engine-out soot flow rate prediction is generated based on the measured level of oxides of nitrogen, the engine timing factor, and the engine air-fuel ratio factor.

Abstract translation: 提供了一种用于排气处理系统的发动机熄烟烟灰流量预测的方法。 接收废气处理系统中测量的氮氧化物浓度。 还接收产生氮氧化物的发动机的发动机燃料喷射正时和空燃比。 基于发动机燃料喷射正时确定发动机正时系数。 基于发动机空燃比来确定发动机空燃比。 基于氮的氧化物的测量水平，发动机正时系数和发动机空燃比因子来产生发动机熄灭烟灰流量预测。

公开(公告)号：US09909482B2

公开(公告)日：2018-03-06

申请号：US15212307

申请日：2016-07-18

Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

Inventor： Michelangelo Ardanese ,  David Edwards ,  Charles E. Dean

IPC: F01N3/00 ,  F01N11/00 ,  F01N3/023 ,  F01N9/00 ,  F01N3/20

CPC classification number: F01N11/002 ,  F01N3/021 ,  F01N3/023 ,  F01N3/103 ,  F01N3/2066 ,  F01N9/002 ,  F01N2430/085 ,  F01N2560/06 ,  F01N2560/14 ,  F01N2900/0408 ,  F01N2900/1404 ,  F01N2900/1411 ,  F01N2900/1621 ,  F01N2900/1631

Abstract: A system and method for evaluating the efficiency of an oxidation catalyst of a vehicle exhaust system includes a diagnostic control system including a controller operatively connected to the exhaust system and at least one temperature sensor disposed proximate the oxidation catalyst to measure the temperature of the exhaust gas. The controller determines an operating state of at least one of the engine and exhaust system and initiates a particulate filter regeneration process in response to the detected operating state. The controller defines a first diagnostic index value and calculates a second diagnostic index value based upon the first diagnostic index value and an offset value. An oxidation catalyst efficiency validation module determines the efficiency of the oxidation catalyst.

公开(公告)号：US20180016962A1

公开(公告)日：2018-01-18

申请号：US15212307

申请日：2016-07-18

Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

Inventor： Michelangelo Ardanese ,  David Edwards ,  Charles E. Dean

IPC: F01N11/00 ,  F01N3/023 ,  F01N3/20 ,  F01N9/00

CPC classification number: F01N11/002 ,  F01N3/021 ,  F01N3/023 ,  F01N3/103 ,  F01N3/2066 ,  F01N9/002 ,  F01N2430/085 ,  F01N2560/06 ,  F01N2560/14 ,  F01N2900/0408 ,  F01N2900/1404 ,  F01N2900/1411 ,  F01N2900/1621 ,  F01N2900/1631

Abstract: A system and method for evaluating the efficiency of an oxidation catalyst of a vehicle exhaust system includes a diagnostic control system including a controller operatively connected to the exhaust system and at least one temperature sensor disposed proximate the oxidation catalyst to measure the temperature of the exhaust gas. The controller determines an operating state of at least one of the engine and exhaust system and initiates a particulate filter regeneration process in response to the detected operating state. The controller defines a first diagnostic index value and calculates a second diagnostic index value based upon the first diagnostic index value and an offset value. An oxidation catalyst efficiency validation module determines the efficiency of the oxidation catalyst.

公开(公告)号：US09328645B2

公开(公告)日：2016-05-03

申请号：US14188106

申请日：2014-02-24

Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

Inventor： Vincent J. Tylutki ,  Christopher Whitt ,  Cristian Taibi ,  Michelangelo Ardanese

IPC: F01N3/00 ,  F01N11/00 ,  F01N3/10 ,  F01N3/20 ,  F01N3/021

CPC classification number: F01N11/002 ,  F01N3/021 ,  F01N3/103 ,  F01N3/2066 ,  F01N2550/04 ,  F01N2560/06 ,  F01N2560/14 ,  F01N2900/1404 ,  F01N2900/1411 ,  F01N2900/1606 ,  Y02A50/2325 ,  Y02T10/24 ,  Y02T10/47

Abstract: A method for determining an over-temperature condition in an exhaust gas treatment system is provided. The method compares a current soot load in a particulate filter with a threshold soot load. The method compares each of a plurality of temperatures sensed by a plurality of temperature sensors with a threshold temperature. Based on determining that the current soot load in a particulate filter of the exhaust gas treatment system exceeds a threshold soot load and that one of the plurality of temperatures exceeds the threshold temperature, the method determines that the exhaust gas treatment system is in an over-temperature condition. Based on determining that the current soot load in the particular filter does not exceed the threshold soot load and that two or more of the plurality of temperatures exceed the threshold temperature, the method determines that the exhaust gas treatment system is in an over-temperature condition.

Abstract translation: 提供了一种用于确定废气处理系统中的过热状态的方法。 该方法将微粒过滤器中的当前烟灰负荷与阈值烟灰负荷进行比较。 该方法将由多个温度传感器感测的多个温度中的每一个与阈值温度进行比较。 基于确定废气处理系统的微粒过滤器中的当前烟灰负荷超过阈值烟灰负荷并且多个温度中的一个超过阈值温度，该方法确定废气处理系统处于过热状态， 温度条件。 基于确定特定过滤器中的当前烟灰负荷不超过阈值烟灰负荷并且多个温度中的两个或更多个温度超过阈值温度，该方法确定废气处理系统处于过温状态 。

公开(公告)号：US09114344B2

公开(公告)日：2015-08-25

申请号：US13712016

申请日：2012-12-12

Applicant: GM Global Technology Operations LLC

Inventor： Michelangelo Ardanese ,  Raffaello Ardanese ,  Michael J. Paratore, Jr. ,  Eugene V. Gonze

IPC: B01D46/46 ,  B01D46/00 ,  F01N9/00 ,  F01N3/027 ,  F01N3/10 ,  F01N3/20 ,  F01N3/022 ,  F01N13/00

CPC classification number: B01D46/0063 ,  F01N3/0222 ,  F01N3/027 ,  F01N3/106 ,  F01N3/2066 ,  F01N9/002 ,  F01N9/005 ,  F01N13/009 ,  F01N2330/06 ,  F01N2550/04 ,  F01N2560/06 ,  F01N2900/1606 ,  Y02A50/2325 ,  Y02T10/47

Abstract: A method for implementing particulate filter regeneration management is provided. The method includes determining a presumptive deviation between a particulate model and actual particulate level conditions of the particulate filter. The presumptive deviation is determined from identification of an occurrence of extended parking, a passive regeneration, residual particulates, and a pressure signal. Each of the extended parking, passive regeneration, residual particulate, and pressure signal is specified by a respective particulate model deviation type. The method also includes selectively controlling current to at least one zone of a plurality of zones of an electric heater to initiate a regeneration event based on the presumptive deviation, and estimating the particulate level in the particulate filter once the regeneration event is complete.

Abstract translation: 提供了一种实现微粒过滤器再生管理的方法。 该方法包括确定颗粒模型与颗粒过滤器的实际颗粒物水平条件之间的推定偏差。 推测偏差是通过对扩展停车，被动再生，残留颗粒和压力信号的发生的识别来确定的。 每个扩展停车，被动再生，残留颗粒和压力信号由相应的颗粒模型偏差类型指定。 该方法还包括选择性地将电流控制到电加热器的多个区域中的至少一个区域，以基于推定偏差来启动再生事件，并且一旦再生事件完成，则估计微粒过滤器中的微粒水平。