ClassID:

139935

F02D2250/36 - CPC Classification

Classification description:

Engine control related to specific problems or objectives Control for minimising NOx emissions

Recent Application in this class:
#1
20260132751
2026-05-14

CONTROLLER FOR VEHICLE

#2
20260036096
2026-02-05

METHOD FOR OPERATING AN INTERNAL COMBUSTION ENGINE

#3
20260002478
2026-01-01

HIGH PRESURE FUEL DELIVERY SYSTEMS IN AN OPPOSED PISTON ENGINE AND RELATED METHODS

#4
20250389234
2025-12-25

METHOD AND SYSTEM FOR CONTROLLING DIESEL ENGINE EMISSIONS BY FUEL BLENDING

#5
20250354527
2025-11-20

ENGINE DEVICE

#6
20250305431
2025-10-02

SYSTEMS INCLUDING A HYDROGEN INTERNAL COMBUSTION ENGINE AND AFTERTREATMENT SYSTEM

#7
20250290460
2025-09-18

ENGINE DEVICE

#8
20250146449
2025-05-08

AMMONIA-RICH COMBUSTION COUPLED DUAL-MODE PRECHAMBER AMMONIA-FUELED ENGINE CONTROL SYSTEM

#9
20250035058
2025-01-30

VARIABLE MODE ENGINE CONTROL

#10
20240426256
2024-12-26

METHOD OF CONTROLLING INTERNAL COMBUSTION ENGINE, CONTROL ARRANGEMENT, INTERNAL COMBUSTION ENGINE, AND VEHICLE

#11
20240271582
2024-08-15

Controller for internal combustion engine

#12
20240254938
2024-08-01

SYSTEMS AND METHODS FOR COLD OPERATION NOx BURDEN REDUCTION

#13
20240125280
2024-04-18

CONTROL OF INJECTION PRESSURE FOR HIGH PRESSURE DIRECT INJECTION SYSTEMS

#14
20240084765
2024-03-14

Compression emissions evacuator

#15
20230349339
2023-11-02

NOx mitigation strategy in methanol internal combustion engine

#16
20230340920
2023-10-26

EXHAUST GAS CONTROL APPARATUS AND EXHAUST GAS CONTROL METHOD FOR INTERNAL COMBUSTION ENGINE

#17
20230235711
2023-07-27

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

#18
20230175449
2023-06-08

Systems and methods to minimize emissions spikes when reactivating or deactivating a combustion cylinder

#19
20230086566
2023-03-23

Systems and methods for cold operation NOx burden reduction

#20
20220403793
2022-12-22

Internal combustion engine with exhaust gas aftertreatment and control of the nitrogen oxide emissions

#21
20220290625
2022-09-15

Combustion apparatus that combusts fuel

#22
20220205405
2022-06-30

Internal combustion engine controller

#23
20220178320
2022-06-09

Systems and methods for cold operation NOx burden reduction

#24
20220042475
2022-02-10

Internal combustion engine with exhaust gas aftertreatment and control of the nitrogen oxide emissions

#25
20220025826
2022-01-27

Fuel selection method and related system for a mobile asset

#26
20220003178
2022-01-06

ENGINE SYSTEM

#27
20210231064
2021-07-29

Self-learning torque over boost combustion control

#28
20200378320
2020-12-03

Method for controlling a turbocharger system with a pressurized gas tank connected to an exhaust manifold of a combustion engine

#29
20200332730
2020-10-22

Start-up method for a vehicle with a hybrid propulsion system

#30
20200318520
2020-10-08

Method for operating an internal combustion engine installed in a vehicle

#31
20200277911
2020-09-03

Engine lambda dynamic control strategy for exhaust emission reduction

#32
20200240345
2020-07-30

Method for operating an internal combustion engine

#33
20200102902
2020-04-02

Control and tuning of gas turbine combustion

#34
20200063634
2020-02-27

Control of combustion source with at least one pollution control device

#35
20200056527
2020-02-20

Exhaust gas purification controller for engine

#36
20190368436
2019-12-05

Systems and methods for controlling EGR flow rate

#37
20190316534
2019-10-17

Supervisory model predictive controller for diesel engine emissions control

#38
20190301361
2019-10-03

FUEL-AIR INJECTION ROTARY ENGINE

#39
20190293004
2019-09-26

Fuel selection method and related system for a mobile asset

#40
20190242314
2019-08-08

Methods and systems for an exhaust gas treatment arrangement

#41
20190242305
2019-08-08

Method and device for controlling the residual gas mass remaining in the cylinder of an internal combustion engine after a gas exchange process and/or the purge air mass introduced during a gas exchange process

#42
20190178181
2019-06-13

Methods and systems for an exhaust aftertreatment device

#43
20190155230
2019-05-23

Virtual sensing system

#44
20190153970
2019-05-23

Method for determining a position of at least one actuator

#45
20190153967
2019-05-23

Method for controlling engine

#46
20190136737
2019-05-09

Exhaust purification system of internal combustion engine

#47
20190120133
2019-04-25

System and method for reducing NOx emissions for natural gas engines

#48
20190072049
2019-03-07

Control system for internal combustion engine

#49
20190024563
2019-01-24

Model-based monitoring for selective catalytic reduction device in aftertreatment assembly

#50
20190010884
2019-01-10

Selective catalytic reduction steady state ammonia slip detection

#51
20180372012
2018-12-27

Exhaust gas control apparatus for internal combustion engine

#52
20180355805
2018-12-13

Internal combustion engine with a regulating device

#53
20180347497
2018-12-06

Segmented calibration for aftertreatment optimization in internal combustion engine system

#54
20180291856
2018-10-11

Method and system for determining remaining useful life for an injector of a reciprocating engine

#55
20180283262
2018-10-04

Nitrogen enriched air supply for gasoline compression ignition combustion

#56
20180274467
2018-09-27

Reference value engine control systems and methods

#57
20180266348
2018-09-20

Reference value engine control systems and methods

#58
20180266343
2018-09-20

Reference value engine control systems and methods

#59
20180266340
2018-09-20

Hierarchical engine control systems and methods

#60
20180223759
2018-08-09

Method and system for treatment of an exhaust gas stream

#61
20180209394
2018-07-26

Method for operating an internal combustion engine

#62
20180202373
2018-07-19

Method for operating an internal combustion engine

#63
20180171910
2018-06-21

Control apparatus for internal combustion engine

#64
20180149105
2018-05-31

System and method for controlling exhaust gas temperature

#65
20180094596
2018-04-05

Exhaust purification system

#66
20180066558
2018-03-08

Exhaust purification system

#67
20180051636
2018-02-22

System for controlling the total emissions produced by a multi-engine power system

#68
20180038302
2018-02-08

Exhaust emission control system of engine

#69
20180038301
2018-02-08

Exhaust emission control system of engine

#70
20180038255
2018-02-08

System and method for determining engine out NOx based on in-cylinder contents

#71
20180030907
2018-02-01

Natural gas fuel reformer control for lean burn gas engines

#72
20180017003
2018-01-18

Exhaust emission control system of engine

#73
20180017002
2018-01-18

Exhaust emission control system of engine

#74
20180010534
2018-01-11

Control device of vehicle

#75
20170306873
2017-10-26

Controlling an internal combustion engine

#76
20170248091
2017-08-31

Control unit for a combustion engine

#77
20170240387
2017-08-24

Work machine with lifting magnet

#78
20170218815
2017-08-03

Coordinated engine and emissions control system

#79
20170151941
2017-06-01

System and method of stabilizing combustion of hybrid electric vehicle

#80
20170138890
2017-05-18

Gas sensor control method

#81
20170030237
2017-02-02

Method and apparatus for operating a combustion machine

#82
20160369723
2016-12-22

Methods and systems to control exhaust gas recirculation

#83
20160369712
2016-12-22

Control device for internal combustion engine

#84
20160363082
2016-12-15

Natural gas engines to reduce NOx emissions

#85
20160333808
2016-11-17

Control apparatus for an internal combustion engine

#86
20160312730
2016-10-27

Calibration strategies to improve spinel mixed metal oxides catalytic converters

#87
20160290272
2016-10-06

Exhaust purification device and method of calculating NOx mass adsorbed in lean NOx trap of exhaust purification device

#88
20160222771
2016-08-04

Optimization of engine emissions from equipment used in well site operations

#89
20160221566
2016-08-04

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

#90
20160169135
2016-06-16

Method and system for control of emissions in exhaust aftertreatment system

#91
20160160785
2016-06-09

Method of operating an engine

#92
20160160774
2016-06-09

Method for operating an internal combustion engine

#93
20160144863
2016-05-26

Adaptive powertrain control for optimized performance

#94
20160123258
2016-05-05

Upstream NOestimation

#95
20160097316
2016-04-07

Method for operating a compression ignition engine

#96
20160047323
2016-02-18

Exhaust gas control device of gas engine

#97
20160035157
2016-02-04

Vehicular diagnostic system

#98
20160025024
2016-01-28

Internal combustion engine having a regulating device

#99
20160003119
2016-01-07

Device and method for reducing unwanted emissions from an engine at start of said engine

#100
20150377171
2015-12-31

Selective cylinder deactivation apparatus and method for high power diesel engines

#101
20150377153
2015-12-31

Fuel selection method and related system for a mobile asset

#102
20150330315
2015-11-19

Device and method for controlling variable compression ratio internal combustion engine

#103
20150240729
2015-08-27

Exhaust gas purification system for an internal combustion engine

#104
20150219032
2015-08-06

Diesel engine control apparatus

#105
20150176514
2015-06-25

Exhaust gas control apparatus for internal combustion engine

#106
20150122223
2015-05-07

System and method of controlling fuel injection pressure in an engine having an in-cylinder pressure sensor

#107
20150098784
2015-04-09

Work vehicle

#108
20150098783
2015-04-09

Work vehicle

#109
20150083095
2015-03-26

Internal combustion engine and control method therefor

#110
20150051812
2015-02-19

Two-stage catalyst regeneration

#111
20150047318
2015-02-19

Supervisory model predictive selective catalytic reduction control method

#112
20150041334
2015-02-12

Gas sensor control apparatus

#113
20140358404
2014-12-04

System and method of operating an internal combustion engine

#114
20140298777
2014-10-09

Spark ignition internal combustion engine and control method of spark ignition internal combustion engine

#115
20140216013
2014-08-07

Exhaust purification system for internal combustion engine

#116
20140165557
2014-06-19

Emissions reductions through regent release control

#117
20140102078
2014-04-17

Exhaust gas purification system for vehicle and regeneration control method thereof

#118
20140076280
2014-03-20

Combustion control device for internal combustion engine and combustion method for homogeneous lean air/fuel mixture

#119
20140020375
2014-01-23

Hydraulic working machine

#120
20130213353
2013-08-22

Transient air flow control

#121
20130197779
2013-08-01

Setpoint bank control architecture

#122
20130197778
2013-08-01

Soot accumulation model for setpoint modification

#123
20130195614
2013-08-01

Turbocharger control

#124
20130192568
2013-08-01

Engine controlling emissions during transient operations

#125
20130158848
2013-06-20

Fuel selection method and related system for a mobile asset

#126
20130158752
2013-06-20

Fuel optimizing system for a mobile asset, and a related method thereof

#127
20130131967
2013-05-23

System and method for controlling NOx

#128
20130131956
2013-05-23

Transient-state control method for a hybrid drive system for vehicles

#129
20130118461
2013-05-16

NOx feedback for combustion control

#130
20130085733
2013-04-04

NOx EMISSION ESTIMATION METHOD AND ARRANGEMENT

#131
20130073176
2013-03-21

Method to operate an electronically controlled internal combustion engine

#132
20130067894
2013-03-21

Coordinated engine and emissions control system

#133
20130067890
2013-03-21

METHOD OF OPTIMIZING OPERATING COSTS OF AN INTERNAL COMBUSTION ENGINE

#134
20130066512
2013-03-14

Vehicular diagnostic system

#135
20130054122
2013-02-28

Control device for internal combustion engine

#136
20130047956
2013-02-28

Control system and method for preventing stochastic pre-ignition in an engine

#137
20130000284
2013-01-03

Exhaust purification system of internal combustion engine

#138
20120260630
2012-10-18

Combined engine out NOmanagement

#139
20120245822
2012-09-27

Emissions reductions through multiple fuel injection events

#140
20120102943
2012-05-03

Method for monitoring a regulated emission concentration in the exhaust gas of an internal combustion engine

#141
20120085081
2012-04-12

Emissions reductions through reagent release control

#142
20120016571
2012-01-19

Control apparatus of internal combustion engine

#143
20110296833
2011-12-08

Method and arrangement for reducing an NOcontent in the exhaust gas of an internal combustion engine in a vehicle

#144
20110282539
2011-11-17

Control device for internal combustion engine and measuring device of mass flow rate of NOx recirculated to intake passage with blowby gas

#145
20110253103
2011-10-20

Tug Boat Engine Emissions Control Suite

#146
20110203260
2011-08-25

EXHAUST PURIFICATION SYSTEM OF INTERNAL COMBUSTION ENGINE

#147
20110155109
2011-06-30

Exhaust gas recirculation device of engine

#148
20110146270
2011-06-23

Techniques for optimizing engine operations during aftertreatment regeneration

#149
20110139136
2011-06-16

Techniques for enhancing aftertreatment regeneration capability

#150
20110088373
2011-04-21

Method and aftertreatment configuration to reduce engine cold-start NOx emissions

#151
20100312454
2010-12-09

Fuel injection control apparatus of internal combustion engine

#152
20100300089
2010-12-02

Method for reducing diesel engine emissions, and diesel engine

#153
20100300069
2010-12-02

CONTROL OF A MOTOR VEHICLE INTERNAL COMBUSTION ENGINE

#154
20100280740
2010-11-04

Control device and control method for vehicle

#155
20100269775
2010-10-28

SIX-STROKE INTERNAL COMBUSTION ENGINE, METHOD OF OPERATION OF SUCH AN ENGINE AND VEHICLE EQUIPPED WITH SUCH AN ENGINE

#156
20100251698
2010-10-07

EXHAUST PURIFICATION SYSTEM FOR HYBRID ELECTRIC VEHICLE

#157
20100212291
2010-08-26

Method and device for regulating the fuel/air ratio of a combustion process

#158
20100115923
2010-05-13

Exhaust purification device of an internal combustion engine

#159
20100107611
2010-05-06

Method and apparatus for exhaust aftertreatment in an internal combustion engine

#160
20100101218
2010-04-29

NOx purification system and method for control of NOx purification system

#161
20100095929
2010-04-22

Method and device for controlling an internal combustion engine

#162
20100078000
2010-04-01

AIR-FUEL RATIO CONTROL DEVICE OF INTERNAL COMBUSTION ENGINE

#163
20100071347
2010-03-25

Exhaust purification device of an internal combustion engine

#164
20100043753
2010-02-25

System and method for controlling the fuel injection event in an internal combustion engine

#165
20100037858
2010-02-18

Control strategy for a homogeneous-charge compression-ignition engine

#166
20100023241
2010-01-28

Emissions reductions through multiple fuel injection events

#167
20090250041
2009-10-08

Device for purifying exhaust gas of a diesel engine

#168
20090217646
2009-09-03

System for controlling exhaust aftertreatment

#169
20090211229
2009-08-27

Apparatus, system, and method for reducing nitrogen oxide emissions in a combustion engine

#170
20090205612
2009-08-20

Method for controlling a spark-ignition direct-injection internal combustion engine at low loads

#171
20090158710
2009-06-25

Exhaust purification apparatus for engine

#172
20090118978
2009-05-07

COMBUSTION CONTROL SYSTEM OF A DIESEL ENGINE

#173
20080314031
2008-12-25

Algorithm incorporating driving conditions into LNT regeneration scheduling

#174
20080295498
2008-12-04

EXHAUST GAS PURIFYING APPARATUS FOR INTERNATIONAL COMBUSTION

#175
20080294329
2008-11-27

Engine controller

#176
20080147301
2008-06-19

Engine

#177
20080147295
2008-06-19

System and method for operating a compression-ignition engine

#178
20080098726
2008-05-01

System implementing low-reductant engine operation mode

#179
20080022982
2008-01-31

Variable Compression Ratio Internal Combustion Engine

#180
20080010974
2008-01-17

System for determining NOx conversion efficiency of an exhaust gas aftertreatment component

#181
20070262586
2007-11-15

Process and apparatus for reducing nitrogen oxide emissions in genset systems

#182
20070220864
2007-09-27

Control methods for low emission internal combustion system

#183
20070163540
2007-07-19

Hybrid vehicle and method for controlling hybrid vehicle

#184
20070157599
2007-07-12

Method for operating a compression-ignition internal combustion engine

#185
20070092426
2007-04-26

On-board ammonia generation and exhaust after treatment system using same

#186
20070089406
2007-04-26

Method of avoiding undesired NO2 emissions of internal combustion engines

#187
20070044752
2007-03-01

System and method for operating a turbo-charged engine

#188
20070039598
2007-02-22

CONTROL OF LEAN BURN ENGINE USING EXHAUST GAS RECIRCULATION

#189
20060213186
2006-09-28

Hybrid vehicle and method for operating a hybrid vehicle

#190
20060201152
2006-09-14

Engine

#191
20060184307
2006-08-17

Travel assist system

#192
20060140833
2006-06-29

Exhaust gas purifying apparatus for internal combustion engine

#193
20060107925
2006-05-25

Closed loop engine control for regulating NOx emissions, using a two-dimensional fuel-air curve

#194
20060075991
2006-04-13

Hydrogen and carbon monoxide enhanced knock resistance in spark ignition gasoline engines

#195
20060059895
2006-03-23

Method for operating an internal combustion engine

#196
20060011179
2006-01-19

Method of regulating an internal combustion engine

#197
20060000457
2006-01-05

Method of modifying exhaust valve timing to improve engine performance

#198
20050279321
2005-12-22

Method of injecting a gaseous fuel into an internal combustion engine

#199
20050177300
2005-08-11

Method of regulating an internal combustion engine

#200
20050166579
2005-08-04

Exhaust gas purifying apparatus for internal combustion engine

#201
20050022508
2005-02-03

Method for checking an exhaust gas cleaning plant

#202
18753500
2025-02-04

Method and system for controlling diesel engine emissions by fuel blending

#203
18526002
2025-02-18

System and method to reduce fuel cut enrichment NOx emissions

#204
18459509
2024-09-17

System and method to reduce fuel cut enrichment non-methane hydrocarbon emissions

#205
17717847
2023-05-02

Compression-ignited dual liquid fuel system and control strategy for flexible fuel operation

#206
17544568
2022-11-15

Systems and methods to minimize emissions spikes when reactivating or deactivating a combustion cylinder

#207
16680249
2020-12-15

Method and system for measuring and balancing cylinder air-fuel ratio

#208
16198003
2020-03-03

Method of predicting and controlling NOx generation amount