ClassID:

139704

F02D41/1461 - CPC Classification

Classification description:

Electrical control of supply of combustible mixture or its constituents; Circuit arrangements for generating control signals; Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases the characteristics being an NOx content or concentration of the exhaust gases emitted by the engine

Recent Application in this class:
#1
20260098502
2026-04-09

Combustor Anomaly Monitoring Using Emissions Feedback

#2
20260028950
2026-01-29

LIQUID INJECTION SYSTEM, LIQUID INJECTED ENGINE SYSTEM AND METHOD OF CONTROLLING A LIQUID INJECTION SYSTEM

#3
20250290460
2025-09-18

ENGINE DEVICE

#4
20250092814
2025-03-20

SYSTEMS AND METHODS FOR CATALYST HEALTH DIAGNOSING AND FUEL SYSTEM CONTROL IMPROVEMENT

#5
20250067225
2025-02-27

ENGINE SYSTEM

#6
20250043743
2025-02-06

Monitoring the ventilation of a crankcase of an internal combustion engine

#7
20240254938
2024-08-01

SYSTEMS AND METHODS FOR COLD OPERATION NOx BURDEN REDUCTION

#8
20240218841
2024-07-04

Systems and methods for determining exhibited useful life of sensors in monitored systems

#9
20240200512
2024-06-20

METHOD FOR OPERATING AN AMMONIA COMBUSTION ENGINE, AMMONIA COMBUSTION ENGINE, AND MOBILE OR STATIONARY SYSTEM

#10
20240026836
2024-01-25

Systems and methods for determining exhibited useful life of sensors in monitored systems

#11
20240003309
2024-01-04

Powertrain Control to Optimize CO2 and Criteria Pollutants

#12
20230349339
2023-11-02

NOx mitigation strategy in methanol internal combustion engine

#13
20230296478
2023-09-21

Determining the composition of a combustion gas

#14
20230129835
2023-04-27

Method and device for diagnosing at least one exhaust gas sensor of an internal combustion engine disposed in an exhaust duct

#15
20230086963
2023-03-23

Method for estimating the efficiency loss of a turbocharger for an engine

#16
20230086566
2023-03-23

Systems and methods for cold operation NOx burden reduction

#17
20230022334
2023-01-26

Method for operating a motor vehicle with a combustion engine

#18
20220372925
2022-11-24

Exhaust gas recirculation control in an internal combustion engine

#19
20220298979
2022-09-22

Valve timing modulation for EGR balancing

#20
20220290625
2022-09-15

Combustion apparatus that combusts fuel

#21
20220178320
2022-06-09

Systems and methods for cold operation NOx burden reduction

#22
20220056861
2022-02-24

Gas engine heat pump and method of operating the same

#23
20210231064
2021-07-29

Self-learning torque over boost combustion control

#24
20210189931
2021-06-24

Diesel engine with a diesel particulate filter

#25
20210172392
2021-06-10

Gas heat-pump system

#26
20210017924
2021-01-21

Air-fuel ratio control device

#27
20200291906
2020-09-17

Method and apparatus for controlling an internal combustion engine

#28
20200263593
2020-08-20

Method, device, and system for operating a nitrogen oxide sensor

#29
20200234136
2020-07-23

Machine learning system

#30
20200218837
2020-07-09

Approach for aftertreatment system modeling and model identification

#31
20200200105
2020-06-25

System and Method for Improving Performance of Combustion Engines Employing Primary and Secondary Fuels

#32
20200191038
2020-06-18

System and method for diagnosing health of an exhaust aftertreatment system

#33
20200141345
2020-05-07

Engine control device

#34
20200141344
2020-05-07

Engine control device

#35
20200102902
2020-04-02

Control and tuning of gas turbine combustion

#36
20200072143
2020-03-05

Method and systems for airflow control

#37
20190368436
2019-12-05

Systems and methods for controlling EGR flow rate

#38
20190340847
2019-11-07

Systems and methods for probabilistic on-board diagnostics

#39
20190301330
2019-10-03

Exhaust gas control apparatus for internal combustion engine

#40
20190257519
2019-08-22

System and method for operating a combustion chamber

#41
20190242318
2019-08-08

Control device of internal combustion engine

#42
20190226420
2019-07-25

Selective fuel on time and combustion centroid modulation to compensate for injection nozzle cavitation and maintain engine power output and emissions for large bore high-speed diesel engine

#43
20190218992
2019-07-18

Combustion control method in vehicle engine and engine system for vehicle

#44
20190218986
2019-07-18

Combustion control method in vehicle engine and engine system for vehicle

#45
20190218985
2019-07-18

Combustion control method in vehicle engine and engine system for vehicle

#46
20190217851
2019-07-18

Optimizing diesel, reductant, and electric energy costs

#47
20190101075
2019-04-04

Method for adapting the characteristic curve of the nitrogen oxide sensor in an internal combustion engine

#48
20190063342
2019-02-28

Using ion current signal for engine performance and emissions measuring techniques and methods for doing the same

#49
20190063286
2019-02-28

Emissions control system for an engine system

#50
20190024557
2019-01-24

Methods for controlling and monitoring oxidation catalyst devices

#51
20180363583
2018-12-20

Method for testing a moisture sensor of a diesel engine

#52
20180320626
2018-11-08

Methods and system for central fuel injection

#53
20180274475
2018-09-27

Hierarchical engine control systems and methods

#54
20180209394
2018-07-26

Method for operating an internal combustion engine

#55
20180202341
2018-07-19

Integrated start/stop and after-treatment controls

#56
20180179962
2018-06-28

System and method for adjusting exhaust valve timing

#57
20180171910
2018-06-21

Control apparatus for internal combustion engine

#58
20180112616
2018-04-26

Multivariable engine torque and emission closed-loop control for internal combustion engine

#59
20180112580
2018-04-26

Method for generating a model ensemble for calibrating a control device

#60
20180038302
2018-02-08

Exhaust emission control system of engine

#61
20180038255
2018-02-08

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

#62
20180017003
2018-01-18

Exhaust emission control system of engine

#63
20180017002
2018-01-18

Exhaust emission control system of engine

#64
20170167347
2017-06-15

System and method for determining target actuator values of an engine using model predictive control while satisfying emissions and drivability targets and maximizing fuel efficiency

#65
20170159615
2017-06-08

Feedback controlled system for ignition promoter droplet generation

#66
20170152806
2017-06-01

Method and systems for airflow control

#67
20170130657
2017-05-11

Method and system for operating gaseous-fuelled direct injection internal combustion engine

#68
20170058821
2017-03-02

Correction of an injected quantity of fuel

#69
20170009685
2017-01-12

Heater control device for exhaust gas sensor

#70
20170003259
2017-01-05

Method, apparatus, and system for diagnosing at least one NOx-sensor of a diesel engine system

#71
20160369723
2016-12-22

Methods and systems to control exhaust gas recirculation

#72
20160333808
2016-11-17

Control apparatus for an internal combustion engine

#73
20160319757
2016-11-03

Exhaust purification system for internal combustion engine

#74
20160312719
2016-10-27

Method for diagnosing an exhaust gas catalytic converter, and motor vehicle

#75
20160273463
2016-09-22

Method for operating an internal combustion engine

#76
20160252036
2016-09-01

SYSTEM AND METHOD FOR CONTROLLING AIR-FUEL RATIO

#77
20160245208
2016-08-25

Engine-out emissions controls

#78
20160239593
2016-08-18

Approach for aftertreatment system modeling and model identification

#79
20160232723
2016-08-11

Method for monitoring the operation of a sensor

#80
20160169134
2016-06-16

Method for operation of an internal combustion engine

#81
20160160774
2016-06-09

Method for operating an internal combustion engine

#82
20160131063
2016-05-12

Abnormality diagnosis apparatus of exhaust gas purification apparatus

#83
20160123258
2016-05-05

Upstream NOestimation

#84
20160115883
2016-04-28

Method and systems for airflow control

#85
20160115880
2016-04-28

Combustion control apparatus for internal combustion engine

#86
20160097336
2016-04-07

Method for controlling cooling system in vehicle

#87
20160084185
2016-03-24

Method of controlling NOx by PNA

#88
20160084180
2016-03-24

Engine feedback control system and method

#89
20160069855
2016-03-10

Method and system for detection of fuel quality using engine power output and NOx emission values

#90
20160025026
2016-01-28

Exhaust gas purification apparatus for an internal combustion engine

#91
20160010580
2016-01-14

Fuel-cetane-number estimation method and apparatus

#92
20150354428
2015-12-10

Method of estimating engine-out NOx mass flow rate

#93
20150330322
2015-11-19

Coordinated control of engine and after treatment systems

#94
20150300278
2015-10-22

Using ion current signal for engine performance and emissions measuring techniques and method for doing the same

#95
20150275803
2015-10-01

Closed loop NOreference management for DPF regeneration based on engine out particulate matter variation controller

#96
20150275780
2015-10-01

System and method for improving performance of combustion engines employing primary and secondary fuels

#97
20150226141
2015-08-13

System and method for improving performance of combustion engines employing primary and secondary fuels

#98
20150219032
2015-08-06

Diesel engine control apparatus

#99
20150219029
2015-08-06

Diesel engine and method for controlling diesel engine

#100
20150192081
2015-07-09

Methods and system for catalyst reactivation

#101
20150184604
2015-07-02

Diesel fuel engine injection system and method therefor

#102
20150176514
2015-06-25

Exhaust gas control apparatus for internal combustion engine

#103
20150176512
2015-06-25

Method to diagnose SCR catalyst

#104
20150176457
2015-06-25

Method and system of determining suitability of correction for control logic of selective catalytic reduction catalyst

#105
20150176456
2015-06-25

Method of determining correcting logic for reacting model of selective catalytic reduction catalyst, method of correcting parameters of reacting model of selective catalytic reduction catalyst and exhaust system using the same

#106
20150176445
2015-06-25

Apparatus for adjusting temperature of oil for vehicle and method for controlling the apparatus

#107
20150083095
2015-03-26

Internal combustion engine and control method therefor

#108
20150068192
2015-03-12

Enhanced CRT enablement based on soot mass stored in particulate filter

#109
20150013442
2015-01-15

Method and control unit for determining a dead time of an exhaust gas sensor of an internal combustion engine

#110
20140379242
2014-12-25

Autonomous operation of electronically controlled internal combustion engines on a variety of fuels and/or other variabilities using ion current and/or other combustion sensors

#111
20140358404
2014-12-04

System and method of operating an internal combustion engine

#112
20140311428
2014-10-23

Ammonia fueled internal combustion engine with exhaust purification

#113
20140260533
2014-09-18

Diagnostic system and method for nitrogen oxide sensor

#114
20140208721
2014-07-31

Method, system, and apparatus for diagnosing an exhaust aftertreatment component

#115
20140157760
2014-06-12

Method of operating a diesel engine system having LNT and SCR aftertreatment devices

#116
20140156175
2014-06-05

Driver alert and de-rate control system and method

#117
20140123608
2014-05-08

Engine-out soot flow rate prediction

#118
20140109883
2014-04-24

Lambda feedback control for robust particulate emissions performance

#119
20140109868
2014-04-24

Engine feedback control system and method

#120
20140083083
2014-03-27

Method for controlling the nox concentration in the exhaust gas of an internal combustion engine

#121
20140058646
2014-02-27

Control device of an engine

#122
20130275030
2013-10-17

Method for estimating intake air humidity

#123
20130219862
2013-08-29

Control system for determining biofuel content

#124
20130152545
2013-06-20

DIESEL EISSION FLUID QUALITY DETECTION SYSTEM AND METHOD

#125
20130144509
2013-06-06

Diesel fuel engine injection system and method therefor

#126
20130138326
2013-05-30

Air/fuel ratio controller and control method

#127
20130118461
2013-05-16

NOx feedback for combustion control

#128
20130104638
2013-05-02

NOx sensor diagnosis device and selective catalytic reduction system

#129
20130068203
2013-03-21

Method of diagnosing several systems and components by cycling the EGR valve

#130
20130067892
2013-03-21

Selective catalytic reduction system

#131
20130052086
2013-02-28

Exhaust purification system of internal combustion engine

#132
20130025261
2013-01-31

System and method for controlling ammonia levels in a selective catalytic reduction catalyst using a nitrogen oxide sensor

#133
20120285145
2012-11-15

Method and device for estimating NOx emissions in combustion engines

#134
20120279202
2012-11-08

Method for exhaust gas-recirculation

#135
20120239276
2012-09-20

Fuel property determination system for internal combustion engine

#136
20120234077
2012-09-20

Method and apparatus for identifying gas sensor faults

#137
20120085322
2012-04-12

Internal Combustion Engine as well as Retrofitting/Conversion Kit for such an Internal Combustion Engine

#138
20120055138
2012-03-08

Methods for engine exhaust NOx control using no oxidation in the engine

#139
20110146240
2011-06-23

Apparatus, system, and method for mitigating diesel exhaust fluid deposits and associated conditions

#140
20110146239
2011-06-23

Method for monitoring a pollutant conversion capacity in an exhaust gas aftertreatment system

#141
20110138874
2011-06-16

Output calibration apparatus and output calibration method for NOx sensor

#142
20110100341
2011-05-05

Method and arrangement for exhaust-gas recirculation in an internal combustion engine

#143
20110056265
2011-03-10

Identification of air and/or fuel metering drift

#144
20110016948
2011-01-27

Method and device for measuring the emissions of engines

#145
20110016862
2011-01-27

System and method for controlling a two-stage series sequential turbocharger using bypass valve leakage control

#146
20110000290
2011-01-06

Abnormality diagnosis apparatus and abnormality diagnosis method for NOx sensor

#147
20100313862
2010-12-16

System for controlling continuous variable valve lift actuator of diesel engine, and method thereof

#148
20100300089
2010-12-02

Method for reducing diesel engine emissions, and diesel engine

#149
20100300069
2010-12-02

CONTROL OF A MOTOR VEHICLE INTERNAL COMBUSTION ENGINE

#150
20100293926
2010-11-25

Hydrocarbon selective catalytic reduction for NOx control with gasoline-fueled spark ignition engines using engine-out hydrocarbons

#151
20100293925
2010-11-25

Method for determining the nitrogen dioxide concentration in exhaust gases

#152
20100217500
2010-08-26

Diesel fuel engine injection system and method therefor

#153
20100095933
2010-04-22

Control device of the internal combustion engine

#154
20100043402
2010-02-25

Passive ammonia-selective catalytic reduction for NOx control in internal combustion engines

#155
20100031633
2010-02-11

Trouble diagnosis device and trouble diagnosis method for NOsensor

#156
20100024520
2010-02-04

Abnormality diagnosis apparatus for NOsensor

#157
20090173140
2009-07-09

NOx sensor diagnostic device and exhaust gas purifying system using the device

#158
20090107458
2009-04-30

Differential torque operation for internal combustion engine

#159
20080276904
2008-11-13

Differential torque operation for internal combustion engine

#160
20080147295
2008-06-19

System and method for operating a compression-ignition engine

#161
20070142999
2007-06-21

Cylinder to cylinder variation control

#162
20070137177
2007-06-21

Onboard diagnostics for anomalous cylinder behavior

#163
20070033925
2007-02-15

Monitoring of exhaust gas limiting values

#164
20070012027
2007-01-18

NOx control for an internal combustion engine

#165
20060137346
2006-06-29

Multivariable control for an engine

#166
20060016417
2006-01-26

NOx emission control for a controlled auto-ignition four-stroke internal combustion engine

#167
20060016178
2006-01-26

Device for determining the mass of NOx stored in a NOx trap, and a system for supervising the regeneration of a NOx trap including such a device

#168
20050177300
2005-08-11

Method of regulating an internal combustion engine

#169
20050056265
2005-03-17

Control system for NOx control for cam phaser and/or EGR systems

#170
20050022508
2005-02-03

Method for checking an exhaust gas cleaning plant

#171
17717847
2023-05-02

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

#172
16198839
2023-01-24

Powertrain control unit that controls pollutants according to engine location, and a vehicle or equipment comprising the powertrain control unit