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公开(公告)号：US20240280042A1
公开(公告)日：2024-08-22
申请号：US18649383
申请日：2024-04-29
IPC分类号： F01N9/00 , F01N3/021 , F01N3/023 , F01N3/027 , F01N3/08 , F01N3/10 , F01N3/20 , F01N11/00 , F01N13/00 , F02D41/02 , F02D41/14 , F02D41/22 , G01F1/68 , G01F1/86 , G01K7/16 , G01M15/05 , G05D23/185 , G05D23/24 , G05D23/30 , G07C5/08 , H01C7/02 , H01C7/04 , H05B1/02 , H05B3/00 , H05B3/14 , H05B3/18 , H05B3/20 , H05B3/40
CPC分类号： F01N9/005 , F01N3/023 , F01N3/027 , F01N3/2006 , F01N3/2013 , F01N9/00 , F01N9/002 , F01N11/002 , F01N11/005 , F01N13/0097 , F02D41/024 , F02D41/1446 , F02D41/1447 , F02D41/22 , F02D41/222 , G01F1/68 , G01F1/86 , G01K7/16 , G01M15/05 , G05D23/185 , G05D23/2401 , G05D23/30 , G07C5/0808 , H05B1/0227 , H05B1/0244 , H05B3/0042 , H05B3/141 , H05B3/18 , H05B3/20 , H05B3/40 , F01N3/021 , F01N3/0814 , F01N3/103 , F01N3/106 , F01N3/2066 , F01N2240/10 , F01N2240/16 , F01N2240/36 , F01N2410/00 , F01N2410/04 , F01N2550/22 , F01N2560/06 , F01N2560/07 , F01N2560/12 , F01N2560/20 , F01N2610/102 , F01N2900/0416 , F01N2900/1404 , F01N2900/1406 , F01N2900/1411 , F01N2900/1602 , F02D2041/1433 , F02D2041/228 , F28F2200/00 , G01K2205/04 , H01C7/02 , H01C7/04 , H05B2203/019 , H05B2203/021 , H05B2203/022 , Y02T10/12 , Y02T10/40
摘要： Methods and systems for predicting at least one temperature along a fluid flow path of a fluid flow system having a heater disposed in the fluid flow path are provided. In one example, a method includes: obtaining at least one input, wherein the at least one input includes a setpoint, a mass flow rate, an inlet temperature, or a combination thereof; calculating a temperature associated with the heater based on a predefined model and the at least one input; and setting a value of the at least one temperature along the fluid flow path to the temperature of the heater.
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公开(公告)号：US11920507B2
公开(公告)日：2024-03-05
申请号：US17150795
申请日：2021-01-15
申请人： Deere & Company
发明人： Danan Dou , Shyan-Cherng Huang , Taner Tuken , Thomas M. Harris
IPC分类号： F01N3/20 , B01D53/94 , B01J23/40 , B01J35/04 , F01N3/035 , F01N3/10 , F01N9/00 , F01N11/00 , F01N13/00
CPC分类号： F01N3/208 , B01D53/9409 , B01D53/9477 , B01D53/9495 , B01J23/40 , B01J35/04 , F01N3/035 , F01N3/103 , F01N3/106 , F01N3/2066 , F01N9/00 , F01N9/002 , F01N11/002 , F01N11/007 , F01N13/009 , F01N13/0093 , B01D2251/2067 , B01D2255/102 , B01D2255/2063 , B01D2255/2065 , B01D2255/20707 , B01D2255/20715 , B01D2255/20723 , B01D2255/2092 , B01D2255/50 , B01D2255/70 , B01D2255/904 , B01D2255/915 , B01D2258/012 , F01N2250/02 , F01N2550/05 , F01N2560/02 , F01N2560/021 , F01N2560/026 , F01N2560/05 , F01N2560/06 , F01N2560/07 , F01N2560/08 , F01N2590/08 , F01N2610/02 , F01N2610/146 , F01N2900/0416 , F01N2900/1404 , F01N2900/1812 , Y02T10/12 , Y02T10/40
摘要： An exhaust gas treatment system for an internal combustion engine includes an exhaust gas pathway that receives exhaust gas from the engine, a temperature sensor configured to generate a temperature signal associated with a temperature of the exhaust gas at a position along the exhaust gas pathway, and a reductant source. The system also includes first and second injectors in fluid communication with the reductant source. The first and second injectors are configured to inject reductant into the exhaust gas pathway at first and second rates. The system also includes a first treatment element positioned downstream of the first injector and within the exhaust gas pathway, and a controller in communication with the temperature sensor. The controller is configured to receive the temperature signal from the temperature sensor and adjust at least one of the first rate or the second rate based at least in part on the temperature signal.
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3.发明授权公开(公告)号：US11867112B1
公开(公告)日：2024-01-09
申请号：US18118287
申请日：2023-03-07
IPC分类号： F01N9/00 , F01N3/023 , F01N3/08 , F01N3/025 , F01N3/36 , B60K13/04 , F01N13/00 , F01N3/035 , F01N3/20 , F01N11/00
CPC分类号： F01N9/002 , B60K13/04 , F01N3/0232 , F01N3/0253 , F01N3/035 , F01N3/0821 , F01N3/36 , F01N13/0097 , F01N3/023 , F01N3/025 , F01N3/0233 , F01N3/2093 , F01N9/005 , F01N11/002 , F01N11/005 , F01N2250/02 , F01N2250/14 , F01N2410/04 , F01N2430/06 , F01N2430/08 , F01N2560/05 , F01N2560/07 , F01N2610/03 , F01N2610/148 , F01N2900/04 , F01N2900/0402 , F01N2900/0408 , F01N2900/0601 , F01N2900/10 , F01N2900/1406 , F01N2900/1411 , F01N2900/1602 , F01N2900/1606 , F01N2900/1611 , F01N2900/1808
摘要： Vehicle exhaust system uses delta pressure based estimation of accumulated soot within a diesel particulate filter. The exhaust system has a diesel oxidation catalyst and a diesel particulate filter. A fuel injector is connected upstream from the diesel oxidation catalyst and the diesel particulate filter. A delta pressure sensor measures difference in pressure at inlet and outlet of the diesel particulate filter. A controller determines when to regenerate the diesel particulate filter based on an estimated amount of soot. The controller, in a first regeneration mode, causes the fuel injector to inject fuel at a first rate into the exhaust stream, and to re-evaluate amount of soot accumulated within the diesel particulate filter under increased volumetric flow. The controller, in a second regeneration mode, causes the fuel injector to inject fuel at a second rate into the exhaust stream in order to combust soot trapped in the diesel particulate filter.
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公开(公告)号：US20180266292A1
公开(公告)日：2018-09-20
申请号：US15460051
申请日：2017-03-15
CPC分类号： F01N3/206 , F01N3/021 , F01N3/101 , F01N3/106 , F01N3/108 , F01N3/2066 , F01N3/2842 , F01N9/00 , F01N13/107 , F01N2340/06 , F01N2410/06 , F01N2430/02 , F01N2430/06 , F01N2560/05 , F01N2560/06 , F01N2560/07 , F01N2610/02 , F01N2610/03 , F01N2900/1626 , Y02T10/22 , Y02T10/47
摘要： Methods and systems are provided for a steam reforming catalyst. In one example, a method may include flowing exhaust gas from a first cylinder bank directly to a three-way catalyst, flowing exhaust gas from a second cylinder bank directly to a steam reforming catalyst, and flowing exhaust gas from the steam reforming catalyst to the three-way catalyst.
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公开(公告)号：US20180258885A1
公开(公告)日：2018-09-13
申请号：US15457389
申请日：2017-03-13
CPC分类号： F01N9/005 , F01N3/103 , F01N3/2066 , F01N3/208 , F01N2560/026 , F01N2560/07 , F01N2560/14 , F01N2610/02 , F02B37/22 , F02D41/0055 , F02D41/1462 , F02D41/1465 , F02M26/04 , F02M26/06 , F02M26/46 , Y02T10/144 , Y02T10/24
摘要： A method for an engine employing an after-treatment (AT) system with an AT device for treating an engine exhaust gas includes detecting an actual concentration of a pollutant in the exhaust gas upstream of the AT device. The method additionally includes treating the exhaust gas via the AT device and directing the treated gas to an exhaust gas passage. The method also includes recirculating a portion of the treated exhaust gas from the exhaust gas passage to the engine's intake passage and determining efficiency of the AT device, after recirculating the portion of the treated exhaust gas, using the detected actual pollutant concentration. Furthermore, the method includes maintaining operation of the AT system when the determined AT device efficiency is at or above a predetermined value and activating a sensory signal indicative of the AT device having malfunctioned when the determined AT device efficiency is below the predetermined value.
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6.发明申请公开(公告)号：US20180252140A1
公开(公告)日：2018-09-06
申请号：US15908683
申请日：2018-02-28
发明人： Michael Mandausch
CPC分类号： F01N11/00 , F01N3/021 , F01N5/00 , F01N9/002 , F01N2260/04 , F01N2550/02 , F01N2550/04 , F01N2560/07 , F01N2560/08 , F01N2900/08 , F01N2900/1406 , F01N2900/1606 , F02B37/183 , F02B37/24 , F02B2037/122 , F02D41/0007 , F02D2200/0812 , F02M35/10386 , Y02T10/144 , Y02T10/20 , Y02T10/47
摘要： A method for determining the state of loading of a particle filter in an exhaust system of a turbocharged internal combustion engine is provided. To determine the state of loading, a position of a control mechanism of the turbine of the exhaust turbocharger is detected and compared with the position during operation of the internal combustion engine with the same operating parameters with the particle filter unladen. An air mass meter is provided in order to be able to distinguish a change in the pressure situation at the turbine of the exhaust turbocharger due to a rise in the exhaust gas backpressure owing to increasing loading of the particle filter from a change in the pressure situation owing to leakage of the air supply system. An internal combustion engine having a control unit which is configured to carry out such a method is also provided.
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7.发明申请公开(公告)号：US20180171846A1
公开(公告)日：2018-06-21
申请号：US15893169
申请日：2018-02-09
申请人： Cummins, Inc.
CPC分类号： F01N3/2006 , F01N3/106 , F01N3/2033 , F01N3/208 , F01N11/002 , F01N13/009 , F01N2560/026 , F01N2560/06 , F01N2560/07 , F01N2900/1402 , F01N2900/1404 , F01N2900/1406 , F01N2900/1411 , F01N2900/1812 , G05B23/0283 , G05B23/0286 , G05B23/0294 , Y02T10/24 , Y02T10/26 , Y02T10/47
摘要： A method includes determining, by a controller, a total emissions amount from a plurality of engines; comparing, by the controller, the total emissions amount to a predetermined threshold, wherein the predetermined threshold includes an alert value, an adjustment value, and a deactivation value, the deactivation value being greater than the adjustment value, which is greater than the alert value; deactivating, by the controller, at least one engine in response to the total emissions amount being at or greater than the deactivation value; adjusting, by the controller, operation of at least one engine in the plurality of engines in response to the total emissions amount being at or greater than the adjustment value but less than the deactivation value; and providing, by the controller, an alert in response to the total emissions amount being at or greater than the alert value but less than the adjustment value.
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公开(公告)号：US10001046B2
公开(公告)日：2018-06-19
申请号：US14942644
申请日：2015-11-16
CPC分类号： F01N11/00 , F01N3/0835 , F01N3/0842 , F01N3/0857 , F01N3/101 , F01N3/206 , F01N3/2066 , F01N3/208 , F01N9/00 , F01N2430/06 , F01N2550/02 , F01N2550/03 , F01N2560/021 , F01N2560/026 , F01N2560/06 , F01N2560/07 , F01N2570/14 , F01N2610/02 , F01N2610/146 , F01N2900/0412 , F01N2900/08 , F01N2900/1621 , F01N2900/1622 , F01N2900/1624 , F01N2900/1812 , Y02T10/22 , Y02T10/24 , Y02T10/47
摘要： A system includes an exhaust treatment system configured to treat emissions from a combustion engine via a catalyst. The system includes a controller configured to obtain an operating parameter indicating catalyst performance. The controller is configured to determine a deterioration factor indicating deterioration of the catalyst based at least in part on the operating parameter. The controller is configured to determine an adaptation term configured to modify a reductant injection command for the combustion engine to account for the deterioration factor of the catalyst. The controller is configured to generate a signal indicating the adaptation term.
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公开(公告)号：US20180164184A1
公开(公告)日：2018-06-14
申请号：US15690036
申请日：2017-08-29
申请人： HORIBA, Ltd.
发明人： Tatsuki KUMAGAI
CPC分类号： G01M15/102 , F01N11/00 , F01N13/008 , F01N13/08 , F01N2560/02 , F01N2560/022 , F01N2560/07 , F01N2560/08 , G01F1/46 , G01N1/2252 , G01N33/0037 , G01N33/004 , G01N33/007 , G01N2033/0072 , Y02A50/245 , Y02T10/47
摘要： An in-vehicle exhaust gas analysis system, which is provided with a flowmeter, and an exhaust gas analyzer to analyze a concentration of a measurement target component contained in exhaust gas, includes a standard gas supply mechanism to supply a standard gas containing a predetermined component to the flowmeter and the exhaust gas analyzer. The system is configured to include a detected mass calculation section to calculate a detected mass of a predetermined component by using a flow rate obtained by the flowmeter and a concentration of the predetermined component obtained by the exhaust gas analyzer, a supply mass acquisition section to acquire a supply mass of the predetermined component supplied from the standard gas supply mechanism to the flowmeter and the exhaust gas analyzer, and a mass comparison section to compare a detected mass calculated by the mass calculation section and a supply mass acquired by the supply mass acquisition section.
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公开(公告)号：US09983600B2
公开(公告)日：2018-05-29
申请号：US14472129
申请日：2014-08-28
申请人： Hyundai Motor Company , FEV GMBH
发明人： Ji Ho Cho , Jin Ha Lee , Bastian Holderbaum , Bernhard Lüers , Alexander Vovk
CPC分类号： G05D21/02 , F01N3/208 , F01N2560/026 , F01N2560/06 , F01N2560/07 , F01N2900/1402 , F01N2900/1404 , F01N2900/1602 , G05B15/02 , Y02T10/24
摘要： Disclosed are a method of correcting a control logic of a selective catalytic reduction (SCR) catalyst and an exhaust system. The control logic may be adapted to calculate an injection amount of a reducing agent for the SCR catalyst at the least. The method may include detecting input variables including temperature of the SCR catalyst and exhaust flow rate, discretizing the input variables, standardizing the discretized input variables, determining whether the discretized input variables are within a correction range, and correcting the control logic of the SCR catalyst if the discretized input variables are within the correction range.
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