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Patent Agency Ranking
公开(公告)号：US20200063631A1
公开(公告)日：2020-02-27
申请号：US16109349
申请日：2018-08-22
Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
Inventor： David E. Edwards , Giorgio Sticchi , Andrea Dutto , Min Sun
Abstract: An automotive vehicle includes an internal combustion engine that combusts an air/fuel mixture thereby generating exhaust gas containing particulate matter, and an exhaust after-treatment component that collects the particulate matter. A regeneration system burns off the collected particulate matter thereby regenerating the exhaust after-treatment component. A controller obtains a model of the combustion that is based on a kinetic controlled combustion phase and a mixing controlled combustion phase, and determines a point on the model with respect to current engine conditions that indicates an amount of the particulate matter in the exhaust gas.
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公开(公告)号：US10190521B2
公开(公告)日：2019-01-29
申请号：US15608501
申请日：2017-05-30
Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
Inventor： Giorgio Sticchi , Francesco Castorina , Andrea Dutto
Abstract: A method of operating an internal combustion engine having a turbocharger for pressurizing an intake airflow and an after-treatment (AT) system including an AT device for reducing nitrogen oxides (NOX) concentration in the engine exhaust gas. The method includes operating the engine with a variable high-pressure exhaust gas recirculation (EGR) and low-pressure EGR split in the intake airflow. The method also includes determining the NOX concentration in the exhaust gas and determining a current high-pressure EGR to low-pressure EGR split in the intake airflow. The method additionally includes determining an EGR corrective factor using the determined current high-pressure EGR to low-pressure EGR split and applying the determined EGR corrective factor to the determined NOX concentration to generate a corrected NOX concentration. Furthermore, the method includes regulating operation of the AT system to treat the exhaust gas via the AT device in response to the generated corrected NOX concentration.
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公开(公告)号：US20180347495A1
公开(公告)日：2018-12-06
申请号：US15608501
申请日：2017-05-30
Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
Inventor： Giorgio Sticchi , Francesco Castorina , Andrea Dutto
CPC classification number: F02D41/18 , F02B47/08 , F02D29/06 , F02D41/0072 , F02D2041/0075 , F02D2200/0414 , F02D2200/0806 , Y02T10/144
Abstract: A method of operating an internal combustion engine having a turbocharger for pressurizing an intake airflow and an after-treatment (AT) system including an AT device for reducing nitrogen oxides (NOX) concentration in the engine exhaust gas. The method includes operating the engine with a variable high-pressure exhaust gas recirculation (EGR) and low-pressure EGR split in the intake airflow. The method also includes determining the NOX concentration in the exhaust gas and determining a current high-pressure EGR to low-pressure EGR split in the intake airflow. The method additionally includes determining an EGR corrective factor using the determined current high-pressure EGR to low-pressure EGR split and applying the determined EGR corrective factor to the determined NOX concentration to generate a corrected NOX concentration. Furthermore, the method includes regulating operation of the AT system to treat the exhaust gas via the AT device in response to the generated corrected NOX concentration.
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公开(公告)号：US09784165B2
公开(公告)日：2017-10-10
申请号：US15418866
申请日：2017-01-30
Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
Inventor： Andrea Dutto
CPC classification number: F01N9/002 , B60W30/08 , F01N3/035 , F01N2430/00 , F01N2550/04 , F01N2610/03 , F01N2900/04 , F01N2900/10 , F01N2900/12 , Y02T10/47
Abstract: A method is disclosed for operating an aftertreatment system having a diesel particulate filter of an internal combustion engine of an automotive system. A regeneration event of the diesel particulate filter is started. The presence of an object ahead of the automotive system is detected. A value of a deceleration that the automotive system should perform in order to avoid a collision with the object is determined. A temperature of the diesel particulate filter is reduced if the value of the deceleration is greater than a first predetermined threshold value.
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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
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。
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