ClassID:

139705

F02D41/1463 - 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 downstream of exhaust gas treatment apparatus

Recent Application in this class:
#1
20260132750
2026-05-14

METHOD OF OPERATING A HYBRID AMMONIA-DIESEL COMPRESSION IGNITION PROPULSION SYSTEM AND/OR POWER GENERATION SYSTEM AND CONTROLLING THE POWER OUTPUT AND EMISSIONS THEREOF

#2
20240209763
2024-06-27

NOX SENSOR DIAGNOSTICS IN HEAVY-DUTY MOTOR VEHICLE ENGINES

#3
20240159197
2024-05-16

Method and system for evaluating a NOx sensor

#4
20240068421
2024-02-29

Method of diagnosing a combustion engine assembly, control arrangement, combustion engine assembly, and vehicle

#5
20240035426
2024-02-01

Systems and methods for selective catalytic reduction (scr) multipoint diagnosis

#6
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

#7
20230033159
2023-02-02

Engine system with fuel system control arrangement and method for controlling fuel injection in an internal combustion engine

#8
20220403793
2022-12-22

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

#9
20220345513
2022-10-27

System and method for placeshifting media playback

#10
20220316416
2022-10-06

Method for ascertaining the nitrogen oxide fraction and/or ammonia fraction in the exhaust gas of an internal combustion engine

#11
20220247616
2022-08-04

System and method for placeshifting media playback

#12
20220042475
2022-02-10

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

#13
20220025802
2022-01-27

NOsensor diagnostics in heavy-duty motor vehicle engines

#14
20210332769
2021-10-28

Method for controlling emissions of nitrogen oxides in exhaust of internal combustion engine

#15
20210310433
2021-10-07

SYSTEM AND METHODS FOR COMBUSTION CONTROLS IN MULTI-CYLINDER OPPOSED PISTON ENGINES

#16
20210189931
2021-06-24

Diesel engine with a diesel particulate filter

#17
20210054796
2021-02-25

Operation control method of vehicle engine and vehicle system

#18
20210054774
2021-02-25

Catalyst deterioration diagnosis system and catalyst deterioration diagnosis method

#19
20210040912
2021-02-11

Process for testing a plurality of components of an exhaust gas aftertreatment system

#20
20200386182
2020-12-10

Method and system for diagnosing exhaust sensors

#21
20200347770
2020-11-05

Exhaust catalyst tracking and notification system

#22
20200240345
2020-07-30

Method for operating an internal combustion engine

#23
20200080459
2020-03-12

Catalyst deterioration diagnosis method and catalyst deterioration diagnosis system

#24
20190340847
2019-11-07

Systems and methods for probabilistic on-board diagnostics

#25
20190271254
2019-09-05

On-board vehicle emissions measurement system with a sensor and a computer system

#26
20190219483
2019-07-18

Misfire detection device and method for detecting misfire for internal combustion engine

#27
20190178187
2019-06-13

Method for diagnosing and controlling ammonia oxidation in selective catalytic reduction devices

#28
20190112955
2019-04-18

Method for determining a corrected nitrogen oxide value and ammonia value in an internal combustion engine

#29
20190101075
2019-04-04

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

#30
20190024557
2019-01-24

Methods for controlling and monitoring oxidation catalyst devices

#31
20190010884
2019-01-10

Selective catalytic reduction steady state ammonia slip detection

#32
20180298835
2018-10-18

Method and system for use when correcting supply of an additive to an exhaust gas stream

#33
20180298834
2018-10-18

Method and system for diagnosing an aftertreatment system

#34
20180283308
2018-10-04

Abnormality diagnosis system of ammonia detection device

#35
20180283304
2018-10-04

Exhaust purification system of internal combustion engine

#36
20180274475
2018-09-27

Hierarchical engine control systems and methods

#37
20180274427
2018-09-27

Abnormality diagnosis apparatus for exhaust gas purification apparatus

#38
20180179978
2018-06-28

NOx sensor inspection program, vehicle inspection equipment, NOx sensor inspection method, and recording medium

#39
20180171910
2018-06-21

Control apparatus for internal combustion engine

#40
20180119631
2018-05-03

Methods for optimizing exhaust gas system regeneration and cleaning

#41
20180094596
2018-04-05

Exhaust purification system

#42
20180066558
2018-03-08

Exhaust purification system

#43
20180066557
2018-03-08

Exhaust purification system, and control method for exhaust purification system

#44
20180065088
2018-03-08

Exhaust purification system

#45
20170350299
2017-12-07

Exhaust purification system and catalyst regeneration method

#46
20170322933
2017-11-09

System and method for placeshifting media playback

#47
20170241364
2017-08-24

Dedicated exhaust gas recirculation control systems and methods

#48
20170138284
2017-05-18

Exhaust gas purifying apparatus for internal combustion engine

#49
20170074138
2017-03-16

Engine controller and methods for controlling emission and power generation system using the same

#50
20170003259
2017-01-05

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

#51
20160363081
2016-12-15

Fuel injection device

#52
20160333808
2016-11-17

Control apparatus for an internal combustion engine

#53
20160290272
2016-10-06

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

#54
20160251012
2016-09-01

Methods relating to exhaust after-treatment devices

#55
20160230628
2016-08-11

Control apparatus for an internal combustion engine

#56
20160222850
2016-08-04

Exhaust purifying apparatus for internal combustion engine

#57
20160169135
2016-06-16

Method and system for control of emissions in exhaust aftertreatment system

#58
20160131063
2016-05-12

Abnormality diagnosis apparatus of exhaust gas purification apparatus

#59
20160131006
2016-05-12

System and method for controlling an engine that includes low pressure EGR

#60
20160115849
2016-04-28

Abnormality diagnosing apparatus

#61
20160084185
2016-03-24

Method of controlling NOx by PNA

#62
20150275737
2015-10-01

Method for monitoring the formation of nitrogen dioxide at an oxidation catalytic converter, and exhaust system

#63
20150226135
2015-08-13

Controls for performance optimization of internal combustion engine systems

#64
20150219032
2015-08-06

Diesel engine control apparatus

#65
20150176512
2015-06-25

Method to diagnose SCR catalyst

#66
20150176457
2015-06-25

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

#67
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

#68
20150176445
2015-06-25

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

#69
20150113955
2015-04-30

Method and device for reducing the emissions of an internal combustion engine

#70
20150047318
2015-02-19

Supervisory model predictive selective catalytic reduction control method

#71
20150033706
2015-02-05

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

#72
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

#73
20140360166
2014-12-11

Systems and methods for NOsensor diagnostics

#74
20140360163
2014-12-11

System and method for controlling an engine that includes low pressure EGR

#75
20140260533
2014-09-18

Diagnostic system and method for nitrogen oxide sensor

#76
20140208721
2014-07-31

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

#77
20140182273
2014-07-03

Ammonia storage on an SCR catalyst

#78
20140130589
2014-05-15

Method and device for operating a sensor for determining exhaust gas components, in particular for a motor vehicle

#79
20130338900
2013-12-19

NOx sensor plausibility monitor

#80
20130311602
2013-11-21

System and method for simplified data transfer

#81
20130255631
2013-10-03

Operation of an internal combustion engine

#82
20130231842
2013-09-05

Method for operating an internal combustion engine for favorable exhaust gas treatment

#83
20130179051
2013-07-11

Air-fuel ratio control apparatus for an internal combustion engine

#84
20130152545
2013-06-20

DIESEL EISSION FLUID QUALITY DETECTION SYSTEM AND METHOD

#85
20130138326
2013-05-30

Air/fuel ratio controller and control method

#86
20130104638
2013-05-02

NOx sensor diagnosis device and selective catalytic reduction system

#87
20130074817
2013-03-28

Automatic set point adjustment system and method for engine air-fuel ratio control system

#88
20130067892
2013-03-21

Selective catalytic reduction system

#89
20130064718
2013-03-14

Selective catalytic reduction system

#90
20130014575
2013-01-17

Exhaust diagnostic system and method with SCR NH3 depletion cleansing mode for initial step in the def quality service healing test

#91
20120269706
2012-10-25

Reduction of particulate, NOx, and ammonia emissions

#92
20120255277
2012-10-11

Offset and slow response diagnostic methods for NOx sensors in vehicle exhaust treatment applications

#93
20120222406
2012-09-06

Exhaust purification system for internal combustion engine

#94
20120192549
2012-08-02

Exhaust purifying system for internal combustion engine

#95
20120158269
2012-06-21

VEHICLE CONTROL APPARATUS

#96
20120085143
2012-04-12

Degradation detection system for NOsensor, and degradation detection method therefor

#97
20120073265
2012-03-29

Exhaust system having cross-sensitive sensor

#98
20120072162
2012-03-22

Method for estimating an exhaust gas temperature

#99
20120055138
2012-03-08

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

#100
20120014838
2012-01-19

Controller for plant

#101
20110320132
2011-12-29

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

#102
20110277450
2011-11-17

Regulating strategy for a catalytic converter concept for exhaust-gas aftertreatment having a plurality of nitrogen oxide storage catalytic converters

#103
20110265455
2011-11-03

AMMONIA BURNING INTERNAL COMBUSTION ENGINE

#104
20110202253
2011-08-18

Fuel efficient ammonia generation strategy for lean-burn engines utilizing passive NH3-SCR for the control of NOx

#105
20110202230
2011-08-18

NOx sensor malfunction diagnostic device and malfunction diagnostic method

#106
20110146240
2011-06-23

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

#107
20110146239
2011-06-23

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

#108
20110131949
2011-06-09

Reduction of particulate, NOx, and ammonia emissions

#109
20110016862
2011-01-27

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

#110
20110000290
2011-01-06

Abnormality diagnosis apparatus and abnormality diagnosis method for NOx sensor

#111
20100293925
2010-11-25

Method for determining the nitrogen dioxide concentration in exhaust gases

#112
20100223908
2010-09-09

Ammonia (NH) storage control system and method based on a nitrogen oxide(NO) sensor

#113
20100218487
2010-09-02

Model-based diagnostics of NOx sensor malfunction for selective catalyst reduction system

#114
20100139250
2010-06-10

Method for operating an exhaust aftertreatment system and exhaust aftertreatment system

#115
20100139249
2010-06-10

Exhaust gas after treatment system

#116
20100139246
2010-06-10

Control method for controlling an exhaust aftertreatment system and exhaust aftertreatment system

#117
20100126151
2010-05-27

Exhaust gas after treatment system (EATS)

#118
20100107611
2010-05-06

Method and apparatus for exhaust aftertreatment in an internal combustion engine

#119
20100107605
2010-05-06

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

#120
20100101213
2010-04-29

On-board-diagnosis method for an exhaust aftertreatment system and on-board-diagnosis system for an exhaust aftertreatment system

#121
20100082136
2010-04-01

System and method for placeshifting media playback

#122
20100043404
2010-02-25

Using GPS/map/traffic info to control performance of aftertreatment (AT) devices

#123
20100043402
2010-02-25

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

#124
20100024520
2010-02-04

Abnormality diagnosis apparatus for NOsensor

#125
20090276547
2009-11-05

System and method for simplified data transfer

#126
20090276439
2009-11-05

System and method for simplified data transfer

#127
20090229356
2009-09-17

NOx sensor abnormality detection device and exhaust gas purification system using the same

#128
20090199543
2009-08-13

CATALYST MONITORING SYSTEM AND MONITORING METHOD

#129
20090173140
2009-07-09

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

#130
20090158710
2009-06-25

Exhaust purification apparatus for engine

#131
20090084089
2009-04-02

Regeneration method for a storage catalytic converter

#132
20090071125
2009-03-19

Exhaust purification apparatus of compression ignition type internal combustion engine

#133
20090049899
2009-02-26

Diagnostic method for an exhaust aftertreatment system

#134
20090044612
2009-02-19

Method to diagnose an exhaust gas sensor disposed in an exhaust gas region of an internal combustion engine and device to implement the method

#135
20080103684
2008-05-01

Diagnosis method for an exhaust gas post-treatment system

#136
20070204595
2007-09-06

Exhaust Gas Purification Apparatus of Internal Combustion Engine and Catalyst for Purifying Exhaust Gas of Internal Combustion Engine

#137
20070125073
2007-06-07

LNT desulfation strategy

#138
20060236677
2006-10-26

Sensor control device

#139
20060185350
2006-08-24

Method for actuating an accumulator catalyst for nitrogen dioxide on an internal combustion engine for a vehicle, in particular a car

#140
20060168945
2006-08-03

AFTERTREATMENT FOR COMBUSTION ENGINES

#141
20060090454
2006-05-04

Method for controlling the lean operation of an internal combustion engine, especially an internal combustion engine of a motor vehicle, provided with a NOx storage catalyst

#142
20060032213
2006-02-16

Method and device for operating an internal combustion engine

#143
20050251318
2005-11-10

Method for metering a reagent for the emission control of internal combustion engines and device for executing the method

#144
20050191752
2005-09-01

Diagnostic process for an exhaust gas catalytic converter of a heat engine and vehicle using this process

#145
20050144934
2005-07-07

Nox purging system and method of reactivating deteriorated catalyst therein

#146
20050144933
2005-07-07

Method of deciding on catalyst deterioration and means for deciding on catalyst deterioration in Nox purging system

#147
20050089456
2005-04-28

Exhaust gas purifcation apparatus of internal combustion engine and catalyst for purifying exhaust gas of internal combustion engine

#148
20050076887
2005-04-14

Overall scheduling of a lean burn engine system

#149
20050022508
2005-02-03

Method for checking an exhaust gas cleaning plant

#150
17836715
2023-11-14

Systems and methods for selective catalytic reduction (SCR) multipoint diagnosis