ClassID:

138256

F01N2900/0412 - CPC Classification

Classification description:

Details of electrical control or of the monitoring of the exhaust gas treating apparatus; Methods of control or diagnosing using pre-calibrated maps, tables or charts

Recent Application in this class:
#1
20260117687
2026-04-30

SYSTEMS AND METHODS FOR PREDICTING AND CONTROLLING TAILPIPE NOx CONVERSION AND AMMONIA SLIP BASED ON DEGRADATION OF AN AFTERTREATMENT SYSTEM

#2
20250354513
2025-11-20

CONTROL METHOD AND CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE

#3
20250172083
2025-05-29

SYSTEMS AND METHODS FOR PREDICTING AND CONTROLLING TAILPIPE NOx CONVERSION AND AMMONIA SLIP BASED ON DEGRADATION OF AN AFTERTREATMENT SYSTEM

#4
20240337225
2024-10-10

SYSTEMS AND METHODS FOR FORECASTING AFTERTREATMENT TEMPERATURES OVER A HORIZON

#5
20240309787
2024-09-19

Method for measuring fluid injection

#6
20240254909
2024-08-01

VEHICLE EMISSIONS MANAGEMENT

#7
20240209767
2024-06-27

Method for calculating reaction heat in an exhaust system

#8
20240200481
2024-06-20

Exhaust after-treatment in heavy-duty motor vehicles

#9
20240052796
2024-02-15

Systems and methods for forecasting aftertreatment temperatures over a horizon

#10
20240052766
2024-02-15

Aftertreatment system NOx and ammonia control strategy

#11
20240026808
2024-01-25

ADJUSTING THERMAL MANAGEMENT MODE ENTRY AND EXIT TEMPERATURE THRESHOLDS BASED ON AFTERTREATMENT SYSTEM AGING

#12
20230392532
2023-12-07

Exhaust after-treatment in heavy-duty motor vehicles

#13
20230313724
2023-10-05

Detecting reductant quality using a virtual sensor

#14
20230279820
2023-09-07

Systems and methods for air-fuel ratio imbalance monitor

#15
20230258140
2023-08-17

Method, computing unit, and computer program for operating an internal-combustion engine

#16
20230235711
2023-07-27

Device and method in connection with a pre-heating process of an aftertreatment system

#17
20230033617
2023-02-02

Flash boiling injection control

#18
20230003155
2023-01-05

Method to control a burner for an exhaust system of an internal combustion engine

#19
20220282652
2022-09-08

Apparatus and method for controlling a vehicle action

#20
20220178288
2022-06-09

Systems and methods for determining amount of reductant deposits in aftertreatment systems

#21
20220176942
2022-06-09

Hybrid electric vehicle and catalyst heating control method therefor

#22
20220136419
2022-05-05

Exhaust gas purification device for internal combustion engine, and vehicle

#23
20220082042
2022-03-17

APPARATUS AND METHOD FOR GASEOUS EMISSIONS TREATMENT WITH RESISTIVE HEATING

#24
20220025808
2022-01-27

Method and device for inspecting and safeguarding a functionality of an exhaust gas aftertreatment system of a combustion engine

#25
20220025801
2022-01-27

Heater diagnostics in heavy-duty motor vehicle engines

#26
20210215114
2021-07-15

Dual UHEGO control of particulate filter regeneration

#27
20210199061
2021-07-01

Dynamic valve control in a skip fire controlled engine

#28
20210148268
2021-05-20

Systems and methods for increasing reductant insertion accuracy

#29
20210115834
2021-04-22

Method of generating vehicle control data, vehicle control device, and vehicle control system

#30
20210040904
2021-02-11

Deceleration cylinder cut-off

#31
20200300148
2020-09-24

Method and system for leak detection at a particulate filter

#32
20200256231
2020-08-13

Method and apparatus for controlling reductant injection into an exhaust gas feedstream of an internal combustion engine

#33
20200208560
2020-07-02

Method for analysing the operation of an anti-pollution system for a motor vehicle

#34
20200049047
2020-02-13

METHOD AND SYSTEM FOR CONTROL OF AT LEAST ONE OF A DOSAGE DEVICE AND AN ENGINE

#35
20190323441
2019-10-24

Engine diagnostics during cylinder cut off operation

#36
20190316503
2019-10-17

Selective catalytic reduction system

#37
20190203624
2019-07-04

NHslip detection using NOsensor

#38
20190195162
2019-06-27

Fuel heating

#39
20190186327
2019-06-20

Abnormality diagnosis device for reducing agent adding device

#40
20190170047
2019-06-06

STOP VALVE, SCR SYSTEM, AND METHOD FOR DETECTING LEAKS AND/OR IDENTIFYING VARIATIONS IN METERED AMOUNTS

#41
20190063296
2019-02-28

Diagnostic and mitigation strategy for reductant injector obstruction in exhaust system

#42
20190063286
2019-02-28

Emissions control system for an engine system

#43
20190010852
2019-01-10

Downstream oxygen sensor performance for selective catalytic reduction

#44
20190010848
2019-01-10

Selective catalytic reduction ammonia storage control

#45
20190010845
2019-01-10

Aftertreatment regeneration with variable time and temperature

#46
20180334976
2018-11-22

Regeneration of a particulate filter or four-way catalytic converter in an exhaust system of an internal combustion engine

#47
20180154897
2018-06-07

Method for reducing nitrogen oxide emissions of a diesel vehicle

#48
20180106201
2018-04-19

Engine control in fuel and/or cylinder cut off modes based on intake manifold pressure

#49
20180094563
2018-04-05

Method and system for catalyst feedback control

#50
20180073413
2018-03-15

NOx occlusion amount estimating device and NOx occlusion amount estimating method

#51
20180038250
2018-02-08

Exhaust gas purification system for internal combustion engine, internal combustion engine, and exhaust gas purification method for internal combustion engine

#52
20180028974
2018-02-01

Systems and method for feed forward control of diesel exhaust fluid delivery systems

#53
20180023450
2018-01-25

Method and system for exhaust aftertreatment

#54
20170362980
2017-12-21

Exhaust gas purification system, and NOx purification capacity restoration method

#55
20170191393
2017-07-06

Reductant apportionment for multi-dosing architectures

#56
20170152785
2017-06-01

Use of pressure differential in selective catalytic reduction systems

#57
20170138285
2017-05-18

Methods to adapt air-fuel (A/F) controls for catalyst aging

#58
20170138244
2017-05-18

Methods to adapt reductant injection controls for catalyst aging

#59
20170138237
2017-05-18

Method and apparatus to control reductant injection into an exhaust gas feedstream

#60
20170114688
2017-04-27

Aftertreatment regeneration with variable time and temperature

#61
20170074146
2017-03-16

Method for determining the aging of an oxidation catalyst in an exhaust gas aftertreatment system of an internal combustion engine, method for detecting ash in a particle filter of an exhaust gas aftertreatment system, control device, and internal combustion engine

#62
20170051651
2017-02-23

Control system for internal combustion engine and control method

#63
20170044961
2017-02-16

Method of controlling a particulate filter

#64
20170030245
2017-02-02

Method and system for monitoring of a physical quantity related to a particulate mass in at least one exhaust pipe

#65
20170030242
2017-02-02

Method for the regeneration of a particle filter, and internal combustion engine with particle filter

#66
20160376972
2016-12-29

Exhaust control system for internal combustion engine

#67
20160369677
2016-12-22

Reductant dosing correction during no dosing periods

#68
20160319756
2016-11-03

Exhaust injection control method for exhaust gas post-treatment device

#69
20160290197
2016-10-06

Exhaust purification device and method of calculating NOx mass reduced from lean NOx trap during regeneration

#70
20160265411
2016-09-15

Exhaust purification device for internal combustion engine

#71
20160237875
2016-08-18

Deterioration diagnosis device for an exhaust gas purification apparatus

#72
20160221566
2016-08-04

Method for reducing exhaust gas emissions during a transient transitional phase of a vehicle

#73
20160215669
2016-07-28

Abnormality diagnosis device for a sensor

#74
20160195032
2016-07-07

Exhaust purification system of internal combustion engine

#75
20160192095
2016-06-30

Method for performing an active profiling of a sound emitted by an engine and corresponding profiling system

#76
20160177798
2016-06-23

Exhaust purification system of internal combustion engine

#77
20160169076
2016-06-16

Method for monitoring an oxidation catalysis device

#78
20160160785
2016-06-09

Method of operating an engine

#79
20160138452
2016-05-19

Reagent dosing system and method of dosing reagent

#80
20160123260
2016-05-05

Method of pre-emptively regenerating a lean nox trap

#81
20160123201
2016-05-05

Compression ignition engine system with improved regeneration via controlled ash deposits

#82
20160108787
2016-04-21

Bypass exhaust pathway to allow gases to bypass the start catalyst of a vehicle

#83
20160084188
2016-03-24

Method for controlling a low pressure circuit by employing future conditions

#84
20160053648
2016-02-25

Method and internal combustion engine arrangement for regenerating an exhaust after-treatment device

#85
20160032850
2016-02-04

Method for thermal control of exhaust aftertreatment

#86
20150361845
2015-12-17

Feed-back for closed-loop selective catalytic reduction control

#87
20150354429
2015-12-10

METHOD FOR MONITORING UREA QUALITY OF AN SCR SYSTEM

#88
20150354428
2015-12-10

Method of estimating engine-out NOx mass flow rate

#89
20150354423
2015-12-10

System for treating the exhaust gases of a motor vehicle engine and method for controlling same

#90
20150328568
2015-11-19

System for monitoring and indicating filter life

#91
20150315951
2015-11-05

Method for diagnosing an exhaust gas catalytic converter, diagnosis device and motor vehicle having such a device

#92
20150315945
2015-11-05

Method of operating a diesel engine and diesel engine arrangement having plural operating modes

#93
20150185722
2015-07-02

Method of controlling operation of an exhaust fluid treatment apparatus

#94
20150176511
2015-06-25

Apparatus for controlling the learning of the air fuel ratio of an internal combustion engine

#95
20150167518
2015-06-18

Exhaust purification device for internal combustion engine

#96
20150147250
2015-05-28

Method for operating a reductant metering process of an SCR catalytic converter system, and corresponding SCR catalytic converter system

#97
20150113960
2015-04-30

Leak detection and mitigation in reductant delivery systems

#98
20150098783
2015-04-09

Work vehicle

#99
20150092809
2015-04-02

Systems and methods for on-board diagnostics of a particulate matter filter

#100
20150033943
2015-02-05

Regeneration of diesel particle filter

#101
20150033706
2015-02-05

Method and apparatus for determining the efficiency of an exhaust gas purification device

#102
20150033705
2015-02-05

Exhaust fluid dosing control system and method

#103
20150033704
2015-02-05

Temperature gradient correction of ammonia storage model

#104
20150020505
2015-01-22

Method for calculating the NOcontent at the inlet of a selective reduction catalyst and device for the implementation of this method

#105
20150000257
2015-01-01

Active regeneration control device for a diesel particulate filter

#106
20140341781
2014-11-20

Exhaust gas purification system and exhaust gas purification method

#107
20140318883
2014-10-30

Construction machine

#108
20140314645
2014-10-23

SCR catalyst ammonia surface coverage estimation and control

#109
20140311128
2014-10-23

Reagent dosing system and method of dosing reagent

#110
20140308170
2014-10-16

Exhaust gas purification system for engine

#111
20140286828
2014-09-25

Exhaust purification system of internal combustion engine

#112
20140260216
2014-09-18

Apparatus, method, and system for diagnosing reductant delivery performance

#113
20140260191
2014-09-18

Exhaust treatment system with urea temperature rationality diagnostic

#114
20140230409
2014-08-21

Method and device for determining a starting time of a regeneration process for regenerating a diesel particle filter

#115
20140227137
2014-08-14

Urea spray selective catalytic reduction control system

#116
20140033679
2014-02-06

Accumulated ash correction during soot mass estimation in a vehicle exhaust aftertreatment device

#117
20140030810
2014-01-30

Method for the dynamic detection of leakages for SCR catalytic converters

#118
20140024128
2014-01-23

Method of detecting nitrogen compounds contained in exhaust gases, notably of internal-combustion engines

#119
20130319070
2013-12-05

Method for verifying the plausibility of a measuring device for determining the quality of an aqueous urea solution in a reservoir of an SCR catalyst system

#120
20130269418
2013-10-17

Method for monitoring an SCR system

#121
20130263575
2013-10-10

SYSTEM AND METHOD FOR CONTROLLING AN EXHAUST SYSTEM HAVING A SELECTIVE CATALYST REDUCTION COMPONENT

#122
20130232958
2013-09-12

System and method to manage SCR catalyst NO/NOratio

#123
20130180230
2013-07-18

System and method for controlling regeneration within an after-treatment component of a compression-ignition engine

#124
20130139488
2013-06-06

System and method for determining a maximum dose rate of reductant

#125
20130115150
2013-05-09

SCR catalyst system and method for the operation thereof

#126
20130098462
2013-04-25

Model-based controls for selective catalyst reduction systems

#127
20130081379
2013-04-04

Exhaust pipe injection control device

#128
20130058840
2013-03-07

Exhaust purification system of internal combustion engine

#129
20130025266
2013-01-31

Stratified particulate filter regeneration system

#130
20130014641
2013-01-17

Failure detection apparatus and failure detection method for a particulate filter

#131
20130008149
2013-01-10

Estimation of efficiency for aged catalysts

#132
20120255282
2012-10-11

Control device and control method for reduction agent injection valve

#133
20120227383
2012-09-13

Method for controlling a system for the treatment of exhaust gases from an internal combustion engine

#134
20120222404
2012-09-06

Method for controlling pollutant emissions from a combustion engine

#135
20120143461
2012-06-07

Systems and methods for estimating a temperature calibration

#136
20120126989
2012-05-24

METHOD FOR DIAGNOSING A FAULT OF AN SCR SYSTEM

#137
20120083965
2012-04-05

Particulate filter ash loading prediction method and vehicle with same

#138
20120053821
2012-03-01

System and method for determining engine exhaust composition

#139
20120004863
2012-01-05

Method of monitoring soot mass in a particulate filter and monitoring system for same with correction for active regeneration inefficiency

#140
20110320132
2011-12-29

Method for the determination of a NOx concentration value upstream of a SCR catalyst in a diesel engine

#141
20110307160
2011-12-15

System for monitoring and indicating filter life

#142
20110271663
2011-11-10

Exhaust purifying device for internal combustion engines

#143
20110271656
2011-11-10

Control system and method for preventing hydrocarbon slip during particulate matter filter regeneration

#144
20110262329
2011-10-27

SCR catalyst ammonia surface coverage estimation and control

#145
20110257899
2011-10-20

Method to estimate NOconcentration in an exhaust gas of an internal combustion engine

#146
20110210836
2011-09-01

Method for selective catalytic reduction of nitrogen oxides in exhaust gas of internal-combustion engines

#147
20110192147
2011-08-11

Model-based controls for selective catalyst reduction system

#148
20110153260
2011-06-23

Method for diagnosing a catalytic device of an engine exhaust gas after-treatment system

#149
20110120092
2011-05-26

Method for controlling fluid injected quantity in a NOreduction system employing a SCR catalyst

#150
20110083621
2011-04-14

Apparatus, system, and method for reductant line heating control

#151
20100287911
2010-11-18

Exhaust gas purification system and exhaust gas purification method

#152
20100229531
2010-09-16

Apparatus, system, and method for controlling reductant dosing in an SCR catalyst system

#153
20100223914
2010-09-09

Method for adjusting the metered additions of reducing agent for selective catalytic reduction

#154
20100223907
2010-09-09

Method for adjusting the metered quantity of reducing agent for selective catalytic reduction

#155
20100199634
2010-08-12

EXHAUST TREATMENT SYSTEM IMPLEMENTING SELECTIVE DOC BYPASS

#156
20100146941
2010-06-17

Method and arrangement for monitoring of injector

#157
20100139254
2010-06-10

Method and arrangement for monitoring of an injector

#158
20100101215
2010-04-29

EXHAUST GAS TREATMENT SYSTEM AND METHODS FOR OPERATING THE SAME

#159
20100101214
2010-04-29

DIAGNOSTIC METHODS FOR SELECTIVE CATALYTIC REDUCTION (SCR) EXHAUST TREATMENT SYSTEM

#160
20100043405
2010-02-25

Exhaust purification device of an internal combustion engine

#161
20100018186
2010-01-28

Fault detection system for PM trapper

#162
20090301067
2009-12-10

Reagent dosing system and method of dosing reagent

#163
20090293456
2009-12-03

Exhaust system having regeneration temperature control strategy

#164
20090293455
2009-12-03

Exhaust system implementing low-temperature regeneration strategy

#165
20090272104
2009-11-05

Apparatus, system, and method for reducing NOemissions on an SCR catalyst using ammonia storage and slip control

#166
20090272102
2009-11-05

Apparatus, system, and method for reducing NOemissions on an SCR catalyst

#167
20090266059
2009-10-29

Exhaust system implementing in situ calibration

#168
20090266058
2009-10-29

Exhaust system implementing feedforward and feedback control

#169
20090185954
2009-07-23

Feedback control in selective catalytic reduction

#170
20090155129
2009-06-18

SYSTEM FOR CONTROLLING UREA INJECTION OF SELECTIVE CATALYST REDUCTION APPARATUS AND METHOD THEREOF

#171
20090120069
2009-05-14

Method for control of exhaust gas purification system, and exhaust gas purification system

#172
20090049827
2009-02-26

Emission control system implementing reduction agent injection

#173
20090031710
2009-02-05

SCR emissions control system

#174
20080306673
2008-12-11

Exhaust emission control device for internal combustion engine

#175
20080250774
2008-10-16

Reductant injection control strategy

#176
20070256405
2007-11-08

Method of exhaust gas purification and exhaust gas purification system

#177
20050016137
2005-01-27

Filter control apparatus

#178
18778574
2025-04-29

System and method for detecting a failed nitrogen oxide sensor

#179
18082608
2024-05-14

System and method for in-cylinder dosing (ICD) for an engine

#180
18060826
2023-10-03

Controlling operation of an engine based on emissions monitoring

#181
17448010
2023-01-03

Method and system for determining internal temperature of a mid-brick catalyst for machine control

#182
14950061
2017-02-21

Engine control for diesel particulate filter efficiency assessment

#183
14843423
2016-12-27

System and method for detecting tailpipe ammonia slip