ClassID:

139701

F02D41/1458 - 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 oxygen content or concentration or the air-fuel ratio with determination means using an estimation

Recent Application in this class:
#1
20260104016
2026-04-16

ENGINE CONTROL SYSTEM AND METHODS

#2
20260104015
2026-04-16

ENGINE CONTROL SYSTEM AND METHODS

#3
20230033159
2023-02-02

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

#4
20210254570
2021-08-19

Control method and system of air fuel ratio in pre-ignition situation

#5
20210246843
2021-08-12

Adaptive engine control

#6
20210102507
2021-04-08

Methods and systems for catalyst monitoring enablement

#7
20210040909
2021-02-11

Method and system for correcting errors in fueling commands

#8
20210010439
2021-01-14

Method and system for compensating for fuel injection deviations

#9
20200355134
2020-11-12

Method and system for cylinder imbalance detection

#10
20200309046
2020-10-01

In situ fuel-to-air ratio (FAR) sensor for combustion using a Fourier based flame ionization probe

#11
20200240346
2020-07-30

Calculation of exhaust emissions of a motor vehicle

#12
20200224595
2020-07-16

FUEL LIMITER FOR A UNIFLOW-SCAVENGED, TWO-STROKE CYCLE, OPPOSED-PISTON ENGINE

#13
20200208546
2020-07-02

Cylinder deactivation energy waste management

#14
20200116096
2020-04-16

Filter regeneration system for internal combustion engine and filter regeneration method for internal combustion engine

#15
20200116094
2020-04-16

Engine control system and method

#16
20200109679
2020-04-09

Method for regulating a filling of a reservoir of a catalytic converter for an exhaust gas component as a function of an aging of the catalytic converter

#17
20200032730
2020-01-30

Catalyst diagnosis device

#18
20190345889
2019-11-14

Air-fuel ratio detection device and air-fuel ratio detection method

#19
20190309698
2019-10-10

Method for controlling an exhaust gas component filling level in an accumulator of a catalytic converter

#20
20190271274
2019-09-05

Inferential flow sensor

#21
20190203655
2019-07-04

Method of modelling AFR to compensate for WRAF sensor

#22
20190186399
2019-06-20

Exhaust pipe temperature estimation device and sensor heater control apparatus for exhaust gas sensor using exhaust pipe temperature estimation device

#23
20190153969
2019-05-23

SYSTEM AND METHOD FOR EMISSIONS DETERMINATION AND CORRECTION

#24
20190153967
2019-05-23

Method for controlling engine

#25
20190136737
2019-05-09

Exhaust purification system of internal combustion engine

#26
20190120164
2019-04-25

CONTROL OF AIRFLOW IN A UNIFLOW-SCAVENGED, TWO-STROKE CYCLE, OPPOSED-PISTON ENGINE DURING TRANSIENT OPERATION

#27
20190093582
2019-03-28

Active tuning system for engine control unit using airflow meter table

#28
20190093540
2019-03-28

SYSTEMS AND METHODS ADJUSTING FOR AFTERTREATMENT SYSTEM CONDITION

#29
20190063356
2019-02-28

Estimation device and control device for combustion system

#30
20190063342
2019-02-28

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

#31
20190017456
2019-01-17

ENGINE OPERATOR INITIATED SELF-ADJUSTMENT SYSTEM

#32
20190003412
2019-01-03

Systems and methods for a split exhaust engine system

#33
20180355809
2018-12-13

Method and system for exhaust gas recirculation and heat recovery

#34
20180320606
2018-11-08

Estimation device and control device for combustion system

#35
20180298839
2018-10-18

Method and system to control propulsion systems having sensor or actuator degradation

#36
20180298794
2018-10-18

Cylinder deactivation control and methods

#37
20180274467
2018-09-27

Reference value engine control systems and methods

#38
20180274462
2018-09-27

Engine control device

#39
20180274457
2018-09-27

Cylinder deactivation control and methods

#40
20180266353
2018-09-20

Engine control device and engine control method

#41
20180266348
2018-09-20

Reference value engine control systems and methods

#42
20180230921
2018-08-16

Fuel injection amount control device

#43
20180230914
2018-08-16

Cylinder deactivation hydraulic lash adjuster

#44
20180223760
2018-08-09

Methods and systems for engine fuel and torque control

#45
20180195457
2018-07-12

Control device of internal combustion engine

#46
20180171917
2018-06-21

Systems and methods for a split exhaust engine system

#47
20180156142
2018-06-07

Method and system for exhaust gas recirculation and heat recovery

#48
20180149064
2018-05-31

Inferential sensor

#49
20180066557
2018-03-08

Exhaust purification system, and control method for exhaust purification system

#50
20180051622
2018-02-22

Method and apparatus for controlling an internal combustion engine

#51
20180038255
2018-02-08

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

#52
20180030909
2018-02-01

Control device for internal combustion engine

#53
20180010540
2018-01-11

Control device for internal combustion engine

#54
20170356354
2017-12-14

CONTROL DEVICE

#55
20170314497
2017-11-02

Engine control device and engine control method

#56
20170268447
2017-09-21

Methods and systems for engine fuel and torque control

#57
20170254286
2017-09-07

Engine control system for reducing particulate matter

#58
20170241369
2017-08-24

Method for reducing cylinder air-fuel ratio imbalance

#59
20170241357
2017-08-24

Method and system for torque control

#60
20170218807
2017-08-03

Exhaust purification system and control method of the same

#61
20170211495
2017-07-27

Methods and systems for estimating an air-fuel ratio with a variable voltage oxygen sensor

#62
20170204801
2017-07-20

Control of airflow in a uniflow-scavenged, two-stroke cycle, opposed-piston engine during transient operation

#63
20170204800
2017-07-20

Methods and systems for estimating ambient pressure using an oxygen sensor

#64
20170176289
2017-06-22

Wideband oxygen sensing

#65
20170167350
2017-06-15

Device and method of predicting NOx generation amount

#66
20170152807
2017-06-01

Engine control apparatus

#67
20170152806
2017-06-01

Method and systems for airflow control

#68
20170089277
2017-03-30

Cylinder-by-cylinder air-fuel ratio controller for internal combustion engine

#69
20170067405
2017-03-09

Device for determining abnormality in engine system

#70
20170067386
2017-03-09

EXHAUST GAS PURIFICATION DEVICE FOR INTERNAL COMBUSTION ENGINE

#71
20170058807
2017-03-02

Controlling apparatus for engine

#72
20170030285
2017-02-02

Over-fueling control based on oxygen sensor feedback

#73
20170016872
2017-01-19

Air-fuel ratio detection device for internal combustion engine

#74
20170009710
2017-01-12

Method for calculating oxygen concentration in combustion chamber

#75
20170009695
2017-01-12

Control system and control method for internal combustion engine

#76
20170009688
2017-01-12

Internal combustion engine control apparatus

#77
20160363075
2016-12-15

Computer program for operating an internal combustion engine

#78
20160333809
2016-11-17

Method and system for determining air-fuel ratio imbalance via engine torque

#79
20160312726
2016-10-27

Method for controlling the speed of an internal combustion engine

#80
20160258374
2016-09-08

Position based air/fuel ratio calculation in an internal combustion engine

#81
20160245213
2016-08-25

Methods and systems for an intake oxygen sensor

#82
20160230681
2016-08-11

Control system of engine

#83
20160201592
2016-07-14

State-based diesel fueling for improved transient response in dual-fuel engine

#84
20160153331
2016-06-02

Method to control the temperature of the exhaust gases of a supercharged internal combustion engine

#85
20160123260
2016-05-05

Method of pre-emptively regenerating a lean nox trap

#86
20160084180
2016-03-24

Engine feedback control system and method

#87
20160076468
2016-03-17

Air handling control for opposed-piston engines with uniflow scavenging

#88
20160053698
2016-02-25

Control system and method using exhaust gas temperatures to adjust an air/fuel mixture for an internal combustion engine

#89
20160053674
2016-02-25

Air handling control for opposed-piston engines with uniflow scavenging

#90
20150337696
2015-11-26

Systems and methods for purge and PCV control

#91
20150330326
2015-11-19

Nonlinear model-based controller for premixed charge compression ignition combustion timing in diesel engines

#92
20150300283
2015-10-22

Control device for internal combustion engine based on in-cylinder temperature and oxygen concentration

#93
20150300278
2015-10-22

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

#94
20150292423
2015-10-15

EGR operation method and system for increased drivability

#95
20150267604
2015-09-24

Method for estimating charge air cooler condensation storage with an intake oxygen sensor

#96
20150226142
2015-08-13

Internal combustion engine control apparatus and control method thereof

#97
20150219031
2015-08-06

Method for operating an internal combustion engine

#98
20150204258
2015-07-23

One dimensional three way catalyst model for control and diagnostics

#99
20150192085
2015-07-09

Methods and systems for fuel ethanol content determination via an oxygen sensor

#100
20150192084
2015-07-09

Methods and systems for fuel ethanol content determination via an oxygen sensor

#101
20150176509
2015-06-25

System and method for controlling a dual fuel engine

#102
20150075503
2015-03-19

Methods and systems for an intake oxygen sensor

#103
20150068505
2015-03-12

Cylinder-by-cylinder air-fuel-ratio controller for internal combustion engine

#104
20150059698
2015-03-05

Position based air/fuel ratio calculation in an internal combustion engine

#105
20150051811
2015-02-19

Sensor based measurement and purge control of fuel vapors in internal combustion engines

#106
20150047415
2015-02-19

Method and device for monitoring gas sensors

#107
20150039256
2015-02-05

Method and device for dynamic monitoring of gas sensors

#108
20150013442
2015-01-15

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

#109
20140373815
2014-12-25

Trapped burned gas fraction control for opposed-piston engines with uniflow scavenging

#110
20140373814
2014-12-25

Air handling control for opposed-piston engines with uniflow scavenging

#111
20140358355
2014-12-04

Method and device for dynamic monitoring of gas sensors

#112
20140343871
2014-11-20

Combustion ratio calculating method for exhaust gas heating apparatus

#113
20140299104
2014-10-09

System and method for estimating the richness of the gaseous mixture in the combustion chamber of an internal combustion engine of a motor vehicle power plant

#114
20140298805
2014-10-09

Control unit of internal combustion engine

#115
20140244135
2014-08-28

Distinguishing between EGR valve and oxygen sensor degradation

#116
20140136082
2014-05-15

Oxygen sensing method and system

#117
20140130785
2014-05-15

Exhaust gas oxygen sensor fault detection systems and methods using fuel vapor purge rate

#118
20140130779
2014-05-15

Wideband oxygen sensing method and apparatus

#119
20140130588
2014-05-15

Oxygen sensing method and apparatus

#120
20140109868
2014-04-24

Engine feedback control system and method

#121
20140074379
2014-03-13

Control device of internal combustion engine

#122
20140058646
2014-02-27

Control device of an engine

#123
20140007644
2014-01-09

Method and device for correcting a characteristic curve of a two-step lambda oxygen sensor

#124
20140000554
2014-01-02

Control device for multi-cylinder internal combustion engine

#125
20130305713
2013-11-21

Control device for internal combustion engine with turbo-supercharger

#126
20130304356
2013-11-14

Cylinder-by-cylinder air-fuel ratio controller for internal combustion engine

#127
20130289852
2013-10-31

System and method for controlling an internal combustion engine for a motor vehicle in transit

#128
20130268177
2013-10-10

INDIVIDUAL CYLINDER FUEL AIR RATIO ESTIMATION FOR ENGINE CONTROL AND ON-BOARD DIAGNOSIS

#129
20130261935
2013-10-03

Fuel component identification

#130
20130245919
2013-09-19

LOW DIMENSIONAL THREE WAY CATALYST MODEL FOR CONTROL AND DIAGNOSTICS

#131
20130184974
2013-07-18

Process for reducing abnormal combustion within an internal combustion engine

#132
20130179051
2013-07-11

Air-fuel ratio control apparatus for an internal combustion engine

#133
20130131997
2013-05-23

Sensor control device and sensor control system

#134
20130024094
2013-01-24

METHODS FOR CONTROLLING COMBUSTION OF BLENDED BIOFUELS

#135
20120265396
2012-10-18

Distinguishing between EGR valve and oxygen sensor degradation

#136
20120253643
2012-10-04

Air fuel ratio controlling apparatus

#137
20120234085
2012-09-20

Air-fuel ratio estimating/detecting device

#138
20120222474
2012-09-06

Method and device for dynamically diagnosing an exhaust gas probe

#139
20120125301
2012-05-24

Exhaust gas recirculation control device of internal combustion engine

#140
20120085084
2012-04-12

Exhaust gas purification system of an internal combustion engine

#141
20120055457
2012-03-08

Method and apparatus for adaptive feedback control of an excess air ratio in a compression ignition natural gas engine

#142
20120014838
2012-01-19

Controller for plant

#143
20110308495
2011-12-22

Control method of precombustion chamber type engine

#144
20110257871
2011-10-20

Air fuel ratio control device of engine

#145
20110218727
2011-09-08

Method and associated device for sensing the air/fuel ratio of an internal combustion engine

#146
20110202259
2011-08-18

Air/fuel ratio control apparatus for general-purpose engine

#147
20110202258
2011-08-18

Air/fuel ratio control apparatus for general-purpose engine

#148
20110202257
2011-08-18

Air/fuel ratio control apparatus for general-purpose engine

#149
20110192146
2011-08-11

MULTICYLINDER INTERNAL COMBUSTION ENGINE, INTER-CYLINDER AIR/FUEL RATIO IMBALANCE DETERMINATION APPARATUS, AND METHOD THEREFOR

#150
20110166767
2011-07-07

Compensation for oxygenated fuels in a diesel engine

#151
20110125383
2011-05-26

METHOD FOR BIODIESEL BLENDING DETECTION BASED ON RELATIVE AIR-TO-FUEL RATIO ESTIMATION

#152
20110120428
2011-05-26

METHOD FOR CONTROLLING THE LEVEL OF OXYGEN IN THE INTAKE MANIFOLD OF AN INTERNAL COMBUSTION ENGINE EQUIPPED WITH A LOW PRESSURE EGR SYSTEM

#153
20110082635
2011-04-07

Compensating for random catalyst behavior

#154
20110054763
2011-03-03

Intake manifold oxygen control

#155
20110041479
2011-02-24

Exhaust gas purification method and exhaust gas purification system

#156
20110041476
2011-02-24

Method for estimating oxygen concentration downstream a diesel oxidation catalyst

#157
20110016948
2011-01-27

Method and device for measuring the emissions of engines

#158
20110000467
2011-01-06

Control apparatus for internal combustion engine

#159
20100242569
2010-09-30

Approach for determining exhaust gas sensor degradation

#160
20100217505
2010-08-26

Engine control system

#161
20100211295
2010-08-19

Fuel admission control unit to control a diesel engine

#162
20100186377
2010-07-29

INTERNAL COMBUSTION ENGINE EXHAUST GAS CONTROL APPARATUS AND CONTROL METHOD THEREOF

#163
20100163008
2010-07-01

Abnormality detection device for internal combustion engine and air/fuel ratio control apparatus for internal combustion engine

#164
20100154509
2010-06-24

METHOD FOR DETERMINING AIR FUEL RATIO OF INTERNAL COMBUSTION ENGINE ON THE BASIS OF ION CURRENT

#165
20100138135
2010-06-03

Method and device for determining the combustion lambda value of an internal combustion engine

#166
20100071662
2010-03-25

Gas-mixture-nonuniformity acquisition apparatus and gas-mixture-state acquisition apparatus for internal combustion engine

#167
20100024787
2010-02-04

Apparatus, system, and method for controlling exhaust emission using a pre-filter

#168
20090326786
2009-12-31

Method and devices for the control of the air-fuel ratio of an internal combustion engine

#169
20090282809
2009-11-19

Exhaust purification device for internal combustion engine

#170
20090281710
2009-11-12

Method and device for operating an internal combustion engine

#171
20090266335
2009-10-29

Control device of internal combustion engine

#172
20090260419
2009-10-22

Control apparatus for internal combustion engine

#173
20090259390
2009-10-15

Degradation determination apparatus and degradation determination system for oxygen concentration sensor

#174
20090254264
2009-10-08

Procedure and device for an adaptation of a dynamic model of an exhaust gas probe

#175
20090229588
2009-09-17

Method for determining the composition of a fuel blend

#176
20090133483
2009-05-28

Method and device for estimating the temperature of exhaust gases entering into a post-treatment system arranged downstream from a system for the treatment of said gases

#177
20090132145
2009-05-21

Method for the estimation of combustion parameters

#178
20090125210
2009-05-14

Method and device for the determination and input of fuel into an internal combustion engine on the basis of an air-fuel ratio target and ionic current sensor

#179
20090055076
2009-02-26

Gas-mixture-state estimation apparatus for internal combustion engine and emission-generation-amount estimation apparatus

#180
20090048762
2009-02-19

Method for controlling cylinder charge in a homogeneous charge compression ignition engine

#181
20090031706
2009-02-05

Control apparatus and control method of an internal combustion engine

#182
20090024296
2009-01-22

System and method for estimating volumetric efficiency for engines with intake and exhaust cam phasers

#183
20090007888
2009-01-08

Combustion control system based on in-cylinder condition

#184
20090005953
2009-01-01

Method and associated device for sensing the air/fuel ratio of an internal combustion engine

#185
20080312806
2008-12-18

Abnormality diagnosis device and control system for internal combustion engine

#186
20080251057
2008-10-16

Abnormality diagnostic device for air-fuel ratio sensor, and control method for the device

#187
20080243362
2008-10-02

Air-fuel ratio detection apparatus of internal combustion engine

#188
20080243356
2008-10-02

Method and apparatus for controlling fuel reforming under low-load operating conditions using exhaust recompression in a homogeneous charge compression ignition engine

#189
20080195294
2008-08-14

Control device for internal combustion engine and air-fuel ratio calculation method

#190
20080189008
2008-08-07

Abnormality diagnostic device and abnormality diagnostic method for air-fuel ratio sensor

#191
20080148811
2008-06-26

Mass air flow sensor signal compensation system

#192
20080097683
2008-04-24

Control apparatus, control method, and engine control unit

#193
20080087259
2008-04-17

Air-fuel ratio control system and method for internal combustion engine

#194
20080040018
2008-02-14

Cylinder air-fuel ratio controller for internal combustion engine

#195
20070265763
2007-11-15

Air-fuel ratio control system and method for internal combustion engine, and engine control unit

#196
20070261671
2007-11-15

Engine controller

#197
20070240695
2007-10-18

Air-fuel ratio detection apparatus of internal combustion engine

#198
20070221170
2007-09-27

Air-fuel ratio controlling apparatus for an engine

#199
20070214770
2007-09-20

Apparatus system and method for measuring a normalized air-to-fuel ratio

#200
20070186540
2007-08-16

Expanded mixture control for reducing exhaust-gas emissions

#201
20070175462
2007-08-02

Apparatus for estimating air-fuel ratios and apparatus for controlling air-fuel ratios of individual cylinders in internal combustion engine

#202
20070113539
2007-05-24

Heater control device for gas sensor

#203
20070084192
2007-04-19

Air-fuel ratio control apparatus of internal combustion engine and control method thereof

#204
20070074705
2007-04-05

Control apparatus for multi-cylinder internal combustion engine and control method

#205
20070017213
2007-01-25

Combustion air-fuel ratio control system for an internal combustion engine

#206
20070017210
2007-01-25

Air-fuel ratio controller for internal combustion engine

#207
20070006575
2007-01-11

Exhaust gas purifying device for an internal combustion engine

#208
20060289456
2006-12-28

Method for controlling the operation of a probe

#209
20060271271
2006-11-30

Method of estimating the fuel/air ratio in a cylinder of an internal-combustion engine by means of an adaptive nonlinear filter

#210
20060271270
2006-11-30

Method of estimating the fuel/air ratio in a cylinder of an internal-combustion engine by means of an extended Kalman filter

#211
20060260592
2006-11-23

Device for controlling an internal combustion engine

#212
20060243238
2006-11-02

Laser type engine ignition device

#213
20060212209
2006-09-21

Method and associated device for sensing the air/fuel ratio of an internal combustion engine

#214
20060207582
2006-09-21

Control apparatus for multi-cylinder internal combustion engine and control method

#215
20060137325
2006-06-29

Air/fuel ratio control system for automotive vehicle using feedback control

#216
20060069494
2006-03-30

Method for obtaining exhaust gas flow quantity, exhaust gas flow measurement apparatus, and exhaust gas recirculation control system

#217
20060068973
2006-03-30

Oxygen depletion sensing for a remote starting vehicle

#218
20060020386
2006-01-26

Estimation of oxygen concentration in the intake manifold of an unthrottled lean burn engine

#219
20060011180
2006-01-19

Control system for internal combustion engine

#220
20060009903
2006-01-12

Fuel properties estimation for internal combustion engine

#221
20050268599
2005-12-08

Air-fuel ratio control device for internal combustion engine

#222
20050211233
2005-09-29

Method of estimating the fuel/air ratio in a cylinder of an internal-combustion engine

#223
20050204805
2005-09-22

Diagnostic apparatus for variable valve control system

#224
20050193996
2005-09-08

Method and device for controlling an internal combustion engine

#225
20050161033
2005-07-28

Apparatus for estimating air-fuel ratios and apparatus for controlling air-fuel ratios of individual cylinders in internal combustion engine

#226
20050139193
2005-06-30

Control device for internal combustion engine

#227
20050121010
2005-06-09

Cylinder-by-cylinder air-fuel ratio controller for internal combustion engine

#228
20050051147
2005-03-10

Engine fuel injection amount control device

#229
20050028517
2005-02-10

Device for controlling internal combustion engine

#230
20050022797
2005-02-03

Cylinder-by-cylinder air-fuel ratio calculation apparatus for multi-cylinder internal combustion engine

#231
18060826
2023-10-03

Controlling operation of an engine based on emissions monitoring

#232
17220385
2022-04-26

Oxygen sensor adaptive impedance control

#233
16821533
2020-12-08

Exhaust gas purification system using three-way catalyst and method of controlling the same

#234
16688691
2020-10-27

Oxygen concentration-based exhaust gas recirculation flow rate compensation control method and engine system

#235
15805359
2019-03-05

Measurement, modeling, and estimation of scavenging airflow in an internal combustion engine