ClassID:

138167

F01N2550/00 - CPC Classification

Classification description:

Monitoring or diagnosing the deterioration of exhaust systems

Sub-classes:
Recent Application in this class:
#1
20250198321
2025-06-19

SYSTEMS AND METHODS TO ASSESS STATE-OF-HEALTH OF AN EXHAUST GAS CONSTITUENT CAPTURE DEVICE

#2
20240068422
2024-02-29

Controller for internal combustion engine, control method for internal combustion engine, and memory medium

#3
20230235692
2023-07-27

Method of diagnosing an engine system

#4
20230184154
2023-06-15

Method for determining a functionality of an exhaust gas sensor in an exhaust gas system of an internal combustion engine

#5
20230068752
2023-03-02

Method for automatically detecting clogging of a sensor pipe extending between a pressure sensor and an exhaust manifold of an internal combustion engine

#6
20220044503
2022-02-10

Abnormality detection device for exhaust gas sensor

#7
20210394168
2021-12-23

Honeycomb body and particulate filter comprising a honeycomb

#8
20210285354
2021-09-16

Systems and methods for nickel-based gasoline particulate filter

#9
20200254435
2020-08-13

Method of evaluating filtration performance of a plugged honeycomb body

#10
20200240303
2020-07-30

Method for diagnosing a particle filter of a motor vehicle using a particle sensor connected downstream

#11
20200232370
2020-07-23

Abnormality detection apparatus for electrically heated catalyst

#12
20190316504
2019-10-17

Exhaust gas aftertreatment system for diesel engine and method of detecting abnormal injection

#13
20190257235
2019-08-22

Gasoline particulate filter diagnostics

#14
20190232951
2019-08-01

Ambient temperature sensor rationality check

#15
20190195828
2019-06-27

Method for the dynamic monitoring of a NOx sensor

#16
20190178144
2019-06-13

Catalyst deterioration detection system

#17
20190162103
2019-05-30

Exhaust gas sensor arrangement structure and exhaust control system

#18
20190136785
2019-05-09

Control apparatus for exhaust gas sensor

#19
20190120101
2019-04-25

Method for variable position exhaust tuning valve diagnostics

#20
20190101033
2019-04-04

Exhaust purification system of internal combustion engine

#21
20190072020
2019-03-07

Diagnostic apparatus for exhaust gas sensor

#22
20190039437
2019-02-07

Method and system for coolant temperature sensor diagnostics

#23
20190017427
2019-01-17

Methods and system for diagnosing a particulate filter sensor

#24
20180326972
2018-11-15

Method for the quality assurance of exhaust gas behavior in a motor vehicle

#25
20180315257
2018-11-01

Method for automatically adapting the conditions for establishing a diagnostic by an on-board diagnostic system

#26
20180283308
2018-10-04

Abnormality diagnosis system of ammonia detection device

#27
20180245499
2018-08-30

Particulate matter sensor with engineered particle size cut-point

#28
20180244266
2018-08-30

Controller for vehicle and method for controlling vehicle

#29
20180179940
2018-06-28

System and method to detect and respond to iced sensors in exhaust after-treatment system

#30
20180128771
2018-05-10

Method of reducing output degradation of gas sensor

#31
20180038259
2018-02-08

Exhaust gas purification device

#32
20180016901
2018-01-18

Method for detecting a leaking point in a heat recovery system

#33
20170314466
2017-11-02

Solar assisted gas turbine desalination and carbon capture system

#34
20170292432
2017-10-12

Exhaust aftertreatment system diagnostic and conditioning

#35
20170260922
2017-09-14

Methods and systems for adjusting sensors and actuators during engine fuel-off conditions

#36
20170241321
2017-08-24

Systems and methods for performing a NOx self-diagnostic test

#37
20170204771
2017-07-20

Anti-icing system and method for gas turbine exhaust sections

#38
20170191438
2017-07-06

Method of detecting abnormality of air-fuel ratio sensor

#39
20170175645
2017-06-22

Enhanced performance of a gas turbine

#40
20170159533
2017-06-08

SYSTEMS AND METHODS FOR DETERMINING THE QUANTITY OF A COMBUSTION PRODUCT IN A VEHICLE EXHAUST

#41
20170138245
2017-05-18

Deterioration diagnosis apparatus for exhaust gas purification apparatus

#42
20170130629
2017-05-11

Method for checking the plausibility of a NOx sensor in an SCR catalytic converter system

#43
20170003259
2017-01-05

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

#44
20160356693
2016-12-08

Particulate matter sensor diagnostic system and method

#45
20160290961
2016-10-06

Abnormality diagnosis system of a gas sensor

#46
20160290269
2016-10-06

Exhaust purification system of internal combustion engine

#47
20160290268
2016-10-06

Exhaust purification system of internal combustion engine

#48
20160281631
2016-09-29

Engine control device

#49
20160232723
2016-08-11

Method for monitoring the operation of a sensor

#50
20160215669
2016-07-28

Abnormality diagnosis device for a sensor

#51
20160186637
2016-06-30

Failure determination apparatus for oxygen concentration sensor

#52
20160115849
2016-04-28

Abnormality diagnosing apparatus

#53
20160069242
2016-03-10

Abnormality diagnosis system of air-fuel ratio sensor

#54
20150337707
2015-11-26

Abnormality diagnosis apparatus for exhaust gas purification apparatus

#55
20150301009
2015-10-22

Abnormality detection system of engine exhaust system

#56
20150275738
2015-10-01

Method and system for leak detection at a particulate filter

#57
20150252714
2015-09-10

NOx sensor based output disablement in response to exhaust system high frequency pressure pulsations

#58
20150246613
2015-09-03

Work vehicle and work vehicle display device

#59
20150243866
2015-08-27

Thermoelectric generator

#60
20150132187
2015-05-14

Exhaust gas purification apparatus for internal combustion engine

#61
20150114101
2015-04-30

Deposit detection device for exhaust pump and exhaust pump

#62
20150093292
2015-04-02

Abnormality judging system for exhaust gas purification apparatus of internal combustion engine

#63
20150068278
2015-03-12

Load drive apparatus and sensor control apparatus

#64
20150041319
2015-02-12

Gas sensor control apparatus

#65
20150033704
2015-02-05

Temperature gradient correction of ammonia storage model

#66
20140331752
2014-11-13

Exhaust aftertreatment system diagnostic and conditioning

#67
20140260216
2014-09-18

Apparatus, method, and system for diagnosing reductant delivery performance

#68
20140102166
2014-04-17

Degradation diagnosis device and degradation diagnosis method for exhaust gas sensor

#69
20140007559
2014-01-09

Apparatus, system, and method for aftertreatment control and diagnostics

#70
20130327018
2013-12-12

Method of monitoring a differential pressure sensor of an exhaust gas treatment system

#71
20130317727
2013-11-28

Method and apparatus for controlling a diagnostic module for an exhaust gas sensor

#72
20130180229
2013-07-18

Method of detecting a thermal event in an exhaust system based on temperature gradients and exhaust system configured for same

#73
20120240559
2012-09-27

EXHAUST PURIFYING APPARATUS FOR INTERNAL COMBUSTION ENGINE

#74
20120120981
2012-05-17

Method and device for monitoring a component arranged in an exhaust region of an internal combustion engine

#75
20120031168
2012-02-09

Sensor controller and exhaust gas treatment system using the same

#76
20110296817
2011-12-08

Adaptive oxygen sensor methods, systems, and software

#77
20110290217
2011-12-01

Engine system control device

#78
20110252767
2011-10-20

Apparatus and method to diagnose a NOsensor

#79
20110239628
2011-10-06

Exhaust gas purification system abnormality diagnosing device and abnormality diagnosing method, and exhaust gas purification system

#80
20110167797
2011-07-14

Preventing catalyst damage during misfire event

#81
20110106411
2011-05-05

Systems and methods for diagnosing oxygen sensors and catalytic converters of exhaust systems

#82
20110099982
2011-05-05

Unintended exothermal reactions monitoring for diesel after-treatment systems

#83
20110000290
2011-01-06

Abnormality diagnosis apparatus and abnormality diagnosis method for NOx sensor

#84
20100308849
2010-12-09

DEVICE FOR DETECTING RADIAL CRACKS IN A PARTICULATE FILTER

#85
20100242569
2010-09-30

Approach for determining exhaust gas sensor degradation

#86
20100235141
2010-09-16

On-board diagnostics of temperature sensors for selective catalyst reduction system

#87
20100212416
2010-08-26

Abnormality determination apparatus and method for oxygen sensor

#88
20100212414
2010-08-26

Abnormality determination apparatus and method for oxygen sensor

#89
20100192929
2010-08-05

Abnormality diagnosis apparatus for secondary air supply assembly of internal combustion engine

#90
20100082298
2010-04-01

Failure diagnosis apparatus for exhaust pressure sensor

#91
20090299601
2009-12-03

Internal-combustion-engine control apparatus

#92
20090182488
2009-07-16

Temperature sensor diagnostics

#93
20090164088
2009-06-25

Method and device for operating an internal combustion engine

#94
20090107114
2009-04-30

Particulate trap temperature sensor swap detection

#95
20090025374
2009-01-29

System and method for cleaning combustion soot from exhaust gas treatment sensors

#96
20090019833
2009-01-22

Apparatus, system, and method for determining a time-temperature history of an aftertreatment device

#97
20080302084
2008-12-11

Estimation of the temperature of a catalytic converter and corresponding applications

#98
20080295489
2008-12-04

Method and an arrangement for monitoring the functioning of a sensor or an exhaust gas aftertreatment system

#99
20080295487
2008-12-04

Method and device for operating an internal combustion engine

#100
20080236122
2008-10-02

Honeycomb structure, method of manufacturing honeycomb structure, exhaust gas treating apparatus, and method of manufacturing exhaust gas treating apparatus

#101
20080216463
2008-09-11

Device for removing nitrogen oxides from internal combustion engine waste gas and method for dosing an aggregate of internal combustion engine waste gas

#102
20080154481
2008-06-26

Adaptive oxygen sensor methods, systems, and software

#103
20080127633
2008-06-05

Exhaust system providing in situ sensor calibration

#104
20080098725
2008-05-01

Exhaust system having mid-reducer NOx sensor

#105
20080028829
2008-02-07

Air fuel ratio sensor deterioration determination system for compression ignition internal combustion engine

#106
20070204678
2007-09-06

Condition discriminating apparatus for liquid reducing agent

#107
20070125349
2007-06-07

System and method for performing a particulate sensor diagnostic

#108
20060207244
2006-09-21

Method for operating an internal combustion engine and device for implementing the method

#109
20060037305
2006-02-23

System for diagnosing degradation of air-fuel sensor

#110
20060030980
2006-02-09

OBDII readiness status notification device

#111
20050241298
2005-11-03

Method and device for monitoring a heating up of an exhaust gas catalytic converter of an internal combustion engine

#112
20050173523
2005-08-11

Emission amount report device, system for charge for exhaust gas from vehicle, management unit and inspection device making up the system

#113
20050103000
2005-05-19

Diagnosis of a urea SCR catalytic system

#114
20050005690
2005-01-13

Diagnostic apparatus for an exhaust gas sensor