ClassID:

138292

F01N2900/1808 - CPC Classification

Classification description:

Details of electrical control or of the monitoring of the exhaust gas treating apparatus; Parameters used for exhaust control or diagnosing said parameters being related to the system for adding a substance into the exhaust; Properties of reducing agent or dosing system Pressure

Recent Application in this class:
#1
20250369383
2025-12-04

DOSER ASSEMBLY WITH SENSOR ASSEMBLY

#2
20250230761
2025-07-17

SYSTEMS, DEVICES, AND METHODS FOR REGENERATING A PARTICULATE FILTER

#3
20250179953
2025-06-05

IMPROVED UREA SENDER UNIT

#4
20250154889
2025-05-15

PRESSURE CONTROL IN AN EXHAUST AFTERTREATMENT SYSTEM

#5
20250116217
2025-04-10

MOTOR VEHICLE PROVIDED WITH AN AFTER-TREATMENT APPARATUS AND A DEVICE FOR HEATING THE AFTER-TREATMENT APPARATUS

#6
20250101903
2025-03-27

Apparatus and Methods Related to Coolant Diverter Valves

#7
20250092808
2025-03-20

SYSTEMS AND METHODS FOR CONTROLLING A DOSING MODULE

#8
20250041802
2025-02-06

CONTROLLER AND METHOD FOR CONFIGURING PUMP AND DOSER OF AFTERTREATMENT SYSTEM

#9
20250012210
2025-01-09

REAL-TIME CONTROL OF REDUCTANT DROPLET SPRAY MOMENTUM AND IN-EXHAUST SPRAY DISTRIBUTION

#10
20240392714
2024-11-28

Systems and methods for controlling a dosing module

#11
20240309787
2024-09-19

Method for measuring fluid injection

#12
20240240579
2024-07-18

EXHAUST GAS PURIFICATION CONTROL DEVICE

#13
20240229698
2024-07-11

Method for identifying defective injection of urea into a vehicle exhaust line

#14
20240167409
2024-05-23

Method for emptying an SCR supply system

#15
20240141815
2024-05-02

Real-time control of reductant droplet spray momentum and in-exhaust spray distribution

#16
20240003280
2024-01-04

METHOD AND DEVICE FOR METERING AN AQUEOUS UREA SOLUTION

#17
20230399966
2023-12-14

Systems, devices, and methods for regenerating a particulate filter

#18
20230392533
2023-12-07

REDUCTANT DOSING SYSTEM WITH CALIBRATION VALUE DETERMINED BASED ON DATA FROM PRESSURE SENSOR ASSEMBLY AND METHOD OF CALIBRATING A REDUCTANT DOSING SYSTEM

#19
20230383684
2023-11-30

Method for adapting the volume flow

#20
20230349312
2023-11-02

Method for detecting urea consumption deviation, and vehicle post-processing system

#21
20230287824
2023-09-14

Particle deposition amount estimation device and exhaust purification system

#22
20230212972
2023-07-06

Method for checking operability, checking device and motor vehicle

#23
20230193802
2023-06-22

Prognostic alert strategy for reductant pump in exhaust aftertreatment system for engine

#24
20230182074
2023-06-15

Reducer supply device

#25
20230137631
2023-05-04

Method for the diagnosis of an air supply circuit supplying air to a burner of an exhaust gas after-treatment system for an exhaust system of an internal combustion engine

#26
20230033617
2023-02-02

Flash boiling injection control

#27
20230001354
2023-01-05

Fluid injector, assembly and exhaust line comprising such an injector

#28
20220412240
2022-12-29

Real-time control of reductant droplet spray momentum and in-exhaust spray distribution

#29
20220381173
2022-12-01

Method of detecting a need for regeneration of an exhaust particulate filter, and exhaust system

#30
20220251988
2022-08-11

Urea water supply system

#31
20220243629
2022-08-04

Method for operating a system with a plurality of metering valves

#32
20220106895
2022-04-07

Method for injecting gaseous ammonia into a combustion engine exhaust line

#33
20210363904
2021-11-25

Hydrocarbon dosing system

#34
20210317764
2021-10-14

Liquid only lance injector

#35
20210310393
2021-10-07

Liquid only lance injector

#36
20210301699
2021-09-30

Automotive exhaust aftertreatment system with doser

#37
20210254526
2021-08-19

Real-time control of reductant droplet spray momentum and in-exhaust spray distribution

#38
20210239021
2021-08-05

Dynamic monitoring of the flow rate of liquid additive injected into a motor vehicle exhaust gas treatment system

#39
20210231040
2021-07-29

Reductant dosing system with calibration value determined based on data from pressure sensor assembly and method of calibrating a reductant dosing system

#40
20210222598
2021-07-22

Method for controlling a reflux valve and exhaust system

#41
20210180490
2021-06-17

Systems, devices, and methods for regenerating a particulate filter

#42
20210148268
2021-05-20

Systems and methods for increasing reductant insertion accuracy

#43
20210025310
2021-01-28

Reductant insertion assembly comprising a bladder

#44
20210025307
2021-01-28

Methods and devices for controlling urea mixers to reduce NOx emission from combustion engines

#45
20200408122
2020-12-31

Liquid only lance injector

#46
20200347766
2020-11-05

Reductant insertion assemblies including multiple metering assemblies and a single pump

#47
20200347765
2020-11-05

Reductant dosing system for an SCR catalyst

#48
20200271038
2020-08-27

System and a method for diagnosing functionality of dosing units of a fluid dosing system

#49
20200256231
2020-08-13

Method and apparatus for controlling reductant injection into an exhaust gas feedstream of an internal combustion engine

#50
20200256230
2020-08-13

Exhaust gas purifying device of work machine

#51
20200208558
2020-07-02

System and a method for adapting control of a reducing agent dosing unit

#52
20200191033
2020-06-18

Method and device for determining the injection quantity or the injection rate of a fluid injected into a reaction space by means of an injector

#53
20200165951
2020-05-28

Method for detecting a blocked pressure line

#54
20200131970
2020-04-30

Method for monitoring an exhaust aftertreatment system of a combustion engine

#55
20200123952
2020-04-23

Reductant delivery systems and methods

#56
20200072106
2020-03-05

Real-time control of reductant droplet spray momentum and in-exhaust spray distribution

#57
20200056525
2020-02-20

Pressure and flow control for fixed displacement pump in reductant dosing system

#58
20200009505
2020-01-09

Systems and methods for purging reductant from a reductant injector

#59
20190323399
2019-10-24

Compressed air purging arrangement for an exhaust gas aftertreatment system

#60
20190293189
2019-09-26

STOP VALVE, SCR SYSTEM, AND METHOD FOR DETECTING LEAKS AND/OR IDENTIFYING VARIATIONS IN METERED AMOUNTS

#61
20190277175
2019-09-12

Reductant insertion assemblies including multiple metering assemblies and a single pump

#62
20190249582
2019-08-15

System and method for varying reductant delivery pressure to aftertreatment systems

#63
20190242284
2019-08-08

Diesel exhaust fluid pressure measuring and control systems and methods

#64
20190234282
2019-08-01

Monitoring a pressure sensor in a hydraulic system of a motor vehicle

#65
20190226376
2019-07-25

Controller for Determining the Injected Volume of a Fluid in an Injection System of a Motor Vehicle

#66
20190226375
2019-07-25

Systems and methods for improving injector accuracy

#67
20190211726
2019-07-11

Exhaust after-treatment system with improved DEF purge cycling in agricultural vehicles

#68
20190186328
2019-06-20

Abnormality determination device

#69
20190178132
2019-06-13

Reductant dosing quantity correction based on accumulated error during reductant insertion

#70
20190170035
2019-06-06

Control system for a reductant dosing system

#71
20190107023
2019-04-11

Pressure sensing systems and methods

#72
20190063296
2019-02-28

Diagnostic and mitigation strategy for reductant injector obstruction in exhaust system

#73
20190032532
2019-01-31

SCR dosing system

#74
20190003915
2019-01-03

Method for adjusting a pressure sensor in an SCR system

#75
20180363524
2018-12-20

Urea SCR system

#76
20180320576
2018-11-08

METHOD FOR MONITORING A QUALITY OF A CHEMICAL AGENT IN A FLUID USED IN A SYSTEM OF A MOTOR VEHICLE

#77
20180306079
2018-10-25

Method for actuating an electrically controllable reducing agent dosing valve of an internal combustion engine

#78
20180291889
2018-10-11

Method for monitoring the volumetric flow of a metering valve of a fluidic metering system of an internal combustion engine, in particular of a motor vehicle

#79
20180283929
2018-10-04

Method for determining deviations in quantity in the case of a fluidic metering system

#80
20180245500
2018-08-30

DEVICE FOR POST-TREATMENT OF WASTE GAS

#81
20180245498
2018-08-30

Method and system for monitoring reductant delivery performance for an SCR catalyst

#82
20180238323
2018-08-23

Method for operating a device for the dosed supply of a liquid

#83
20180230880
2018-08-16

Systems and methods for increasing diesel exhaust fluid delivery capacity

#84
20180202340
2018-07-19

Expansion body and method for monitoring a pressure sensor in a SCR system with an expansion body

#85
20180163605
2018-06-14

Injector deposit detection for SCR injection system

#86
20180149058
2018-05-31

Automatic performance tuning for diesel exhaust fluid dosing unit

#87
20180128143
2018-05-10

Exhaust gas control apparatus for internal combustion engine and control method for exhaust gas control apparatus

#88
20180051612
2018-02-22

Pressure relief system for diesel exhaust fluid storage

#89
20180028976
2018-02-01

Reagent doser diagnostic system and method

#90
20180028974
2018-02-01

Systems and method for feed forward control of diesel exhaust fluid delivery systems

#91
20180010502
2018-01-11

Methods for detecting a dosing error

#92
20170370269
2017-12-28

System and method of detecting an obstructed pressure line in a diesel exhaust fluid delivery system

#93
20170350290
2017-12-07

Urea injection system

#94
20170328261
2017-11-16

Exhaust postprocessing component

#95
20170328253
2017-11-16

Reducing agent supply device and method for controlling reducing agent supply device

#96
20170284259
2017-10-05

SCR Device with valve arrangement

#97
20170254243
2017-09-07

Accumulator for an engine exhaust treatment system

#98
20170241314
2017-08-24

Self-tuning circuit for controlling input pressure values for an aftertreatment system

#99
20170218814
2017-08-03

Diesel exhaust fluid delivery system with pressure control

#100
20170198621
2017-07-13

Exhaust system for an internal combustion engine and method for operating an exhaust system

#101
20170175606
2017-06-22

Dosing module

#102
20170114689
2017-04-27

Device and method for release of reactant into the exhaust gas stream of an internal combustion engine

#103
20170101913
2017-04-13

System and method for varying reductant delivery pressure to aftertreatment systems

#104
20170096927
2017-04-06

Method of testing a proper functioning of a selective catalytic reduction system

#105
20170089243
2017-03-30

Method for injecting reductant into an exhaust gas of an engine using an oscillating supply pressures

#106
20170009625
2017-01-12

Liquid delivery module, a method for assembling such a delivery module and a tank set comprising such a delivery module

#107
20160363026
2016-12-15

Method for determining the quantity of reducing agent in a tank

#108
20160348555
2016-12-01

Aqueous urea solution supply device and aqueous urea solution supply method for internal combustion engine

#109
20160160731
2016-06-09

Auxiliary diesel exhaust fluid systems

#110
20160153335
2016-06-02

Exhaust gas purification apparatus of internal combustion engine

#111
20160131005
2016-05-12

Method for operating a device for conveying a liquid

#112
20160131004
2016-05-12

Method for operating a device for conveying a fluid

#113
20160061079
2016-03-03

Aftertreatment system having dynamic independent injector control

#114
20160053656
2016-02-25

Control system of internal combustion engine

#115
20160053655
2016-02-25

Failure detection device for fuel addition valve

#116
20160040577
2016-02-11

Urea water pipe clogging detection device for urea selective catalytic reduction

#117
20160040570
2016-02-11

Exhaust purification system of internal combustion engine

#118
20160032804
2016-02-04

Method pertaining to an SCR system and an SCR system

#119
20160032800
2016-02-04

Control system of internal combustion engine

#120
20150361858
2015-12-17

Urea water supply system

#121
20150361857
2015-12-17

Urea water supply system

#122
20150308317
2015-10-29

Control method for reducing agent supply apparatus and reducing agent supply apparatus

#123
20150300934
2015-10-22

Ammonia estimation method

#124
20150300573
2015-10-22

Power modulation for ammonia delivery system

#125
20150231568
2015-08-20

Gauging the autonomy of a system for storing and delivering gaseous ammonia

#126
20150224446
2015-08-13

Exhaust purification system of internal combustion engine

#127
20150176460
2015-06-25

System for storing and delivering gaseous ammonia

#128
20150159530
2015-06-11

System for exhaust gas treatment for internal combustion engines

#129
20150143877
2015-05-28

Leak detection method of reducing agent pumping system

#130
20150113960
2015-04-30

Leak detection and mitigation in reductant delivery systems

#131
20150104363
2015-04-16

Reagent doser diagnostic system and method

#132
20150089928
2015-04-02

SCR-module

#133
20150089926
2015-04-02

Exhaust gas purification system

#134
20150075270
2015-03-19

Reductant delivery performance diagnostics system

#135
20150047321
2015-02-19

Pressurized tank vehicular fluid delivery system

#136
20140325966
2014-11-06

Injector control for a selective catalytic reduction system

#137
20140325961
2014-11-06

Injector control method

#138
20140286829
2014-09-25

Ammonia generating and delivery apparatus

#139
20140260216
2014-09-18

Apparatus, method, and system for diagnosing reductant delivery performance

#140
20140245720
2014-09-04

Method for operating a dosing device and motor vehicle having a dosing device

#141
20140227138
2014-08-14

Method for removing foreign matter from a selective reduction catalyst system

#142
20140216010
2014-08-07

Device for measuring a quantity of a reducing agent, preferably NH3, contained in a vessel

#143
20140174404
2014-06-26

Fuel system

#144
20140165539
2014-06-19

Reducing agent supply apparatus and internal-combustion engine exhaust gas purification apparatus

#145
20140109657
2014-04-24

Method for determining the quantity of reducing agent in a tank

#146
20140053537
2014-02-27

Air driven reductant delivery system

#147
20140053535
2014-02-27

Method for monitoring a pressure sensor in a delivery and metering system for a reactant of a catalytic converter

#148
20140047820
2014-02-20

Device and method for controlling urea injection system of diesel engine

#149
20140033684
2014-02-06

Method for operating an SCR dosing unit and motor vehicle having a dosing unit

#150
20130327027
2013-12-12

Device for storing and supplying ammonia and exhaust line equipped with such a device

#151
20130319550
2013-12-05

Conveying unit for conveying reducing agent

#152
20130269418
2013-10-17

Method for monitoring an SCR system

#153
20130263580
2013-10-10

SCR system and method for the purging thereof

#154
20130259753
2013-10-03

Exhaust purification system of internal combustion engine

#155
20130251546
2013-09-26

Method and control unit for metering fuel into an exhaust gas duct

#156
20130240040
2013-09-19

Method for operating a reagent metering valve and apparatus for carrying out the method

#157
20130239554
2013-09-19

EXHAUST GAS TREATMENT SYSTEM HAVING A SOLID AMMONIA GAS PRODUCING MATERIAL

#158
20130213014
2013-08-22

Reducing agent injection valve abnormality detection unit and reducing agent supply apparatus

#159
20130213011
2013-08-22

Method for reducing the amount of NOx in the exhaust gases of a motor vehicle

#160
20130186470
2013-07-25

Method for identifying a blockage of a dosing valve of an SCR catalytic converter system

#161
20130152554
2013-06-20

Metering unit for a reducing agent, method for metering reducing agent and motor vehicle having a metering unit

#162
20130126000
2013-05-23

Method pertaining to air removal from a liquid supply system and a liquid supply system

#163
20130081379
2013-04-04

Exhaust pipe injection control device

#164
20130067889
2013-03-21

PRESSURE REGULATION VIA PUMP CONTROL FOR EXHAUST SYSTEM

#165
20130061574
2013-03-14

SCR thawing control system

#166
20130048096
2013-02-28

System comprising a pump, an injector and a regulator, with control signals to the pump which are based on calculated hose rigidities

#167
20130031890
2013-02-07

Reductant injection control system

#168
20130025268
2013-01-31

Method for operating a delivery unit for a reducing agent and motor vehicle having a delivery unit

#169
20120312892
2012-12-13

Exhaust gas aftertreatment system and method

#170
20120288774
2012-11-15

System for storing ammonia in and releasing ammonia from a storage material and method for storing and releasing ammonia

#171
20120286063
2012-11-15

UREA INJECTOR DIAGNOSTICS USING SPECTRAL ANALYSIS FOR SCR NOX REDUCTION SYSTEM

#172
20120260632
2012-10-18

Method for operating a delivery device for a reducing agent and motor vehicle having a delivery device

#173
20120126989
2012-05-24

METHOD FOR DIAGNOSING A FAULT OF AN SCR SYSTEM

#174
20120072135
2012-03-22

Method of determining the filling level of a solid ammonia storage medium in an ammonia storage container

#175
20120067031
2012-03-22

Method and apparatus for monitoring a reductant injection system in an exhaust aftertreatment system

#176
20120042635
2012-02-23

Method for Operating a Reducing Agent Supply System

#177
20120006010
2012-01-12

Injector control for a selective catalytic reduction system

#178
20110283677
2011-11-24

Exhaust gas posttreatment device for an internal combustion engine

#179
20110239625
2011-10-06

Method and device for adapting the injection agent supply in an injection system, and exhaust gas aftertreatment system

#180
20110232265
2011-09-29

Approach for detecting reductant availability and make-up

#181
20110174386
2011-07-21

Fluid transfer system and method

#182
20110107742
2011-05-12

Reducing agent injection valve abnormality detection device and abnormality detection method

#183
20110083424
2011-04-14

Method and apparatus for monitoring a reductant injection system in an exhaust aftertreatment system

#184
20110076222
2011-03-31

Process to produce ammonia from urea

#185
20110072888
2011-03-31

METHOD FOR LEAK DETECTION IN DOSING SYSTEM

#186
20110023466
2011-02-03

SCR exhaust gas aftertreatment device

#187
20100307142
2010-12-09

SCR system and method for the purging thereof

#188
20100212417
2010-08-26

Exhaust treatment diagnostic system and method

#189
20100205937
2010-08-19

Method and system for injecting a liquid

#190
20100172763
2010-07-08

Process for starting a pump

#191
20100146941
2010-06-17

Method and arrangement for monitoring of injector

#192
20100139260
2010-06-10

Fluid delivery system

#193
20100139257
2010-06-10

System and method for treating exhaust gases

#194
20100139254
2010-06-10

Method and arrangement for monitoring of an injector

#195
20100115918
2010-05-13

Abnormality diagnosis apparatus for exhaust purification system

#196
20100086467
2010-04-08

Release of stored ammonia at start-up

#197
20100050612
2010-03-04

Procedure and device for the increase in value of one dose arrangement

#198
20100023200
2010-01-28

Method for detecting an error in a component assembly

#199
20100021780
2010-01-28

System for Storing Ammonia In and Releasing Ammonia from a Stroage Material and Method for Storing and Releasing Ammonia

#200
20090319155
2009-12-24

Procedure and device for a pressure determination

#201
20090282815
2009-11-19

Procedure for operating a metering valve and device for implementing the procedure

#202
20090272440
2009-11-05

Freeze protection for on-board vehicle emissions treatment system

#203
20090248361
2009-10-01

Real time doser efficiency monitoring

#204
20090248359
2009-10-01

Real-time doser efficiency monitoring

#205
20090217644
2009-09-03

Urea-SCR system and control method thereof

#206
20090199540
2009-08-13

METHOD FOR OPERATING A REAGENT METERING VALVE AND APPARATUS FOR CARRYING OUT THE METHOD

#207
20090199538
2009-08-13

Fluid transfer system and method

#208
20090192732
2009-07-30

Procedure for diagnosing a metering valve of an exhaust gas treatment device and device for implementing the procedure

#209
20090159132
2009-06-25

Method for operating a metering valve and device for performing the method

#210
20090148370
2009-06-11

Process to produce ammonia from urea

#211
20090107116
2009-04-30

EXHAUST GAS TREATMENT

#212
20090064667
2009-03-12

Device for delivering a reducing agent to an exhaust system of an internal combustion engine

#213
20080314027
2008-12-25

Exhaust Gas Treatment

#214
20080306631
2008-12-11

Adaptive reductant dosing and emission control strategies

#215
20080295492
2008-12-04

Injector cleaning system based on pressure decay

#216
20080282681
2008-11-20

Exhaust emission purifying apparatus for engine

#217
20080276601
2008-11-13

Exhaust emission purifying apparatus for engine

#218
20080276598
2008-11-13

Approach for detecting reductant availability and make-up

#219
20080264041
2008-10-30

Method for introducing a reagent medium into an exhaust gas conduit of an internal combustion engine, and apparatus for carrying out the method

#220
20080178580
2008-07-31

Calibrated dosing unit, especially of an exhaust gas treatment unit

#221
20080087739
2008-04-17

Methods and apparatus for injecting atomized fluid

#222
20080066455
2008-03-20

Method and apparatus to control injection of a reductant into an exhaust gas feedstream

#223
20080022654
2008-01-31

Method and apparatus for reducing emissions in diesel engines

#224
20070261481
2007-11-15

Procedure to operate a metering device of an exhaust gas emission control system and device to implement the procedure

#225
20070163232
2007-07-19

Exhaust gas purifying apparatus for engine

#226
20070138322
2007-06-21

Methods and apparatus for injecting atomized fluid

#227
20070084193
2007-04-19

Freeze protection for on-board vehicle emissions treatment system

#228
20060168941
2006-08-03

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

#229
20060101810
2006-05-18

System for dispensing fuel into an exhaust system of a diesel engine

#230
20050235632
2005-10-27

Methods and apparatus for injecting atomized reagent

#231
18118290
2024-05-28

Logic for improved delta pressure based soot estimation on low restriction particulate filters

#232
18118287
2024-01-09

Logic for improved delta pressure based soot estimation on low restriction particulate filters

#233
17902309
2025-01-21

Diesel exhaust fluid pump system and method

#234
15990107
2018-12-18

Systems and methods for compensating a reductant delivery system in an aftertreatment system of an internal combustion engine