ClassID:

138248

F01N2610/1493 - CPC Classification

Classification description:

Adding substances to exhaust gases; Arrangements for the supply of substances, e.g. conduits Purging the reducing agent out of the conduits or nozzle

Recent Application in this class:
#1
20250347241
2025-11-13

REDUCING AGENT SUPPLY DEVICE, METHOD FOR CONTROLLING REDUCING AGENT SUPPLY DEVICE, AND CONTROL DEVICE

#2
20250314185
2025-10-09

IGNITED REDUCING COMPOSITIONS AND METHODS FOR CATALYTICALLY DECOMPOSING EXHAUST GAS MIXTURES

#3
20240309788
2024-09-19

EMISSIONS CONTROL SYSTEM

#4
20240229698
2024-07-11

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

#5
20240167409
2024-05-23

Method for emptying an SCR supply system

#6
20240026835
2024-01-25

Thermal Management System

#7
20240003280
2024-01-04

METHOD AND DEVICE FOR METERING AN AQUEOUS UREA SOLUTION

#8
20230212974
2023-07-06

Autonomous auxiliary DEF supply system with purge control

#9
20230191358
2023-06-22

Exhaust gas aftertreatment systems

#10
20230144474
2023-05-11

SYSTEM AND METHOD FOR REMOVING RESIDUAL REDUCTANT

#11
20220042432
2022-02-10

Diesel fuel dosing module for regeneration of diesel particulate filters with continuous purging

#12
20210079825
2021-03-18

Inline filter assembly with purge valving

#13
20210033017
2021-02-04

Autonomous auxiliary DEF supply system with purge control

#14
20210033013
2021-02-04

Reagent dosing system and method

#15
20200347765
2020-11-05

Reductant dosing system for an SCR catalyst

#16
20200032694
2020-01-30

Autonomous auxiliary DEF supply system with purge control

#17
20200009505
2020-01-09

Systems and methods for purging reductant from a reductant injector

#18
20190383191
2019-12-19

Delivery module for a metering system for metering a reducing agent into the exhaust gas section of a motor vehicle, and metering system

#19
20190323399
2019-10-24

Compressed air purging arrangement for an exhaust gas aftertreatment system

#20
20190211729
2019-07-11

Systems and methods for purging a reductant insertion assembly of a reductant

#21
20190211726
2019-07-11

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

#22
20190186319
2019-06-20

Reductant dosing unit with flow variability reduction and purge improvement device

#23
20190170036
2019-06-06

Device to supply an internal combustion engine with water coming from a tank of an exhaust system provided with exhaust gas after-treatment

#24
20190170035
2019-06-06

Control system for a reductant dosing system

#25
20190112954
2019-04-18

Urea pump module for vehicle

#26
20190107080
2019-04-11

System for storing an auxiliary liquid and supplying same to an internal combustion engine

#27
20190032532
2019-01-31

SCR dosing system

#28
20180281584
2018-10-04

Operating liquid container system for motor vehicles with improved misfuelling protection

#29
20180252134
2018-09-06

Urea sensor protection assembly and urea sensor system

#30
20180171851
2018-06-21

Air curtain for urea mixing chamber

#31
20180163605
2018-06-14

Injector deposit detection for SCR injection system

#32
20180163595
2018-06-14

Injector deposit dissolution system and method

#33
20180128142
2018-05-10

System and method for diesel exhaust fluid injector cleaning

#34
20180119590
2018-05-03

Arrangement for and method of feeding ammonia containing fluid into the exhaust gas passage of a combustion plant

#35
20180051613
2018-02-22

Reductant dosing unit compact side feed inlet port

#36
20170342885
2017-11-30

Exhaust gas purification system and method for a work vehicle

#37
20170335845
2017-11-23

Pump for an additive

#38
20170333844
2017-11-23

Method and system for mitigating urea deposits within an SCR catalyst system

#39
20170328253
2017-11-16

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

#40
20170328251
2017-11-16

Systems and methods for reducing noise in reductant insertion assemblies

#41
20170234187
2017-08-17

Exhaust gas purification apparatus for internal combustion engine

#42
20170218819
2017-08-03

System and Method for Purging Reductant in a Reductant Dosing System

#43
20170198633
2017-07-13

Fuel system flush circuitry and method for operating the same

#44
20170122178
2017-05-04

Exhaust gas cleaning apparatus for internal combustion engine

#45
20170082002
2017-03-23

Emission reduction system

#46
20160348556
2016-12-01

Reducing agent supply device

#47
20160348555
2016-12-01

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

#48
20160333762
2016-11-17

Engine exhaust gas additive storage system

#49
20160326928
2016-11-10

System and method of isolating component failures in an exhaust aftertreatment system

#50
20160298568
2016-10-13

Fuel system for an internal combustion engine arrangement

#51
20160281573
2016-09-29

Internal combustion engine

#52
20160178069
2016-06-23

Valve connected to a feed circuit, a feed circuit comprising such a valve and a feeding method operating such a feed circuit

#53
20160138450
2016-05-19

Urea backflow prevention apparatus of SCR and control method thereof

#54
20160131005
2016-05-12

Method for operating a device for conveying a liquid

#55
20160131004
2016-05-12

Method for operating a device for conveying a fluid

#56
20160115837
2016-04-28

Method for operating a device for providing a liquid additive

#57
20160069235
2016-03-10

Urea common rail

#58
20160061080
2016-03-03

Control techniques of exhaust purification system and exhaust purification system

#59
20160053656
2016-02-25

Control system of internal combustion engine

#60
20160040577
2016-02-11

Urea water pipe clogging detection device for urea selective catalytic reduction

#61
20160040575
2016-02-11

Pump purge for urea dosing system

#62
20160032811
2016-02-04

Exhaust purification system for internal combustion engine

#63
20160032800
2016-02-04

Control system of internal combustion engine

#64
20150361858
2015-12-17

Urea water supply system

#65
20150361857
2015-12-17

Urea water supply system

#66
20150345359
2015-12-03

Exhaust gas purification apparatus for internal combustion engine

#67
20150328586
2015-11-19

Method and system for mitigating urea deposits within an SCR catalyst system

#68
20150308317
2015-10-29

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

#69
20150240683
2015-08-27

REDUCTANT SUPPLY SYSTEM

#70
20150211401
2015-07-30

Exhaust gas processing device and construction machine

#71
20150204225
2015-07-23

Water injection exhaust treatment system

#72
20150115051
2015-04-30

Purge system for reductant delivery unit for a selective catalytic reduction system

#73
20150075892
2015-03-19

Work vehicle and wheel loader

#74
20150075136
2015-03-19

Air-assisted reductant delivery system

#75
20150059317
2015-03-05

System and method for enhancing the performance of a selective catalytic reduction device

#76
20150049574
2015-02-19

Air curtain for urea mixing chamber

#77
20150047326
2015-02-19

Water injection exhaust treatment system

#78
20150047321
2015-02-19

Pressurized tank vehicular fluid delivery system

#79
20150033713
2015-02-05

Device for supplying a liquid additive and motor vehicle having the device

#80
20140363341
2014-12-11

Exhaust purification device for internal combustion engine

#81
20140345258
2014-11-27

Engine exhaust gas additive storage system

#82
20140238504
2014-08-28

Urea common rail

#83
20140230757
2014-08-21

Internal combustion engine control apparatus and internal combustion engine control method

#84
20140227138
2014-08-14

Method for removing foreign matter from a selective reduction catalyst system

#85
20140227120
2014-08-14

Dosing system for a liquid reducing agent

#86
20140182271
2014-07-03

SCR system and a method of purging it

#87
20140138568
2014-05-22

Purging and sealing-reductant delivery unit for selective catalytic reduction systems

#88
20140116545
2014-05-01

Injection device

#89
20140116522
2014-05-01

Fluid conduit arrangement

#90
20140053537
2014-02-27

Air driven reductant delivery system

#91
20140017794
2014-01-16

Method and system for mitigating urea deposits within an SCR catalyst system

#92
20140007558
2014-01-09

Reducing agent injection nozzle

#93
20130333361
2013-12-19

Coking resistant after-treatment dosing value

#94
20130327118
2013-12-12

Methods for an exhaust fluid sensor

#95
20130319550
2013-12-05

Conveying unit for conveying reducing agent

#96
20130263580
2013-10-10

SCR system and method for the purging thereof

#97
20130233850
2013-09-12

Liquid reservoir, in particular for an aqueous urea solution

#98
20130232957
2013-09-12

Delivery unit for a liquid additive, method for operating a delivery unit and motor vehicle having a delivery unit

#99
20130213014
2013-08-22

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

#100
20130192207
2013-08-01

Reducing agent supply apparatus, method for controlling the same, and exhaust gas purification apparatus

#101
20130192206
2013-08-01

Method for detecting urea deposits in an exhaust line of an automotive vehicle, method for eliminating urea deposits and automotive vehicle adapted to such methods

#102
20130133309
2013-05-30

Methods for an exhaust fluid sensor

#103
20130118156
2013-05-16

Exhaust gas temperature raising apparatus and a method for removal of fuel supply valve clogging

#104
20130111883
2013-05-09

Method and device pertaining to dosing unit of SCR system

#105
20130101472
2013-04-25

Reducing agent supply device and exhaust gas denitrification system using the same

#106
20130071291
2013-03-21

Selective catalytic reduction system

#107
20130064719
2013-03-14

Selective catalytic reduction system

#108
20130058833
2013-03-07

Exhaust gas purification system

#109
20130048120
2013-02-28

Device for reducing pollutants in the exhaust gas flow of an internal combustion engine

#110
20130047585
2013-02-28

Method for preventing choking of urea injection nozzle on SCR system

#111
20130037116
2013-02-14

Fluid distribution system with filtration

#112
20130028792
2013-01-31

EXHAUST PURIFICATION APPARATUS FOR ENGINE

#113
20130000743
2013-01-03

SCR FLUID DISTRIBUTION AND CIRCULATION SYSTEM

#114
20130000279
2013-01-03

Method and device for preventing fuel freezing in a postprocessing burner system

#115
20120090303
2012-04-19

Exhaust purification system of internal combustion engine

#116
20120047880
2012-03-01

System and process for storing an additive and injecting it into the exhaust gases of an engine

#117
20120042635
2012-02-23

Method for Operating a Reducing Agent Supply System

#118
20120036838
2012-02-16

EXHAUST PURIFICATION SYSTEM FOR A VEHICLE

#119
20120031073
2012-02-09

Arrangement and method for storing a reduction agent and supplying it to an exhaust gas system of an combustion engine and an internal combustion engine including such a system

#120
20120020857
2012-01-26

DOSING SYSTEM HAVING RECIRCULATION HEATING AND VACUUM DRAINING

#121
20110209465
2011-09-01

Liquid additive reservoir for selective catalytic reduction system

#122
20110198528
2011-08-18

Directional control fluid valve

#123
20110174386
2011-07-21

Fluid transfer system and method

#124
20110146247
2011-06-23

Method for introducing a reductant into an exhaust stream

#125
20110146240
2011-06-23

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

#126
20110079000
2011-04-07

Process for starting an SCR system

#127
20110062357
2011-03-17

Method for heating a metering valve in an SCR system for the exhaust gas aftertreatment of an internal combustion engine

#128
20110030334
2011-02-10

System for purging a device

#129
20110016854
2011-01-27

Apparatus and method for injection of a fluid for an exhaust gases treatment device

#130
20110016853
2011-01-27

SCR system for purifying exhaust gases in NOx

#131
20100319326
2010-12-23

Metering device for liquid reducing agent

#132
20100307142
2010-12-09

SCR system and method for the purging thereof

#133
20100251697
2010-10-07

Exhaust gas purification system for internal combustion engine

#134
20100229534
2010-09-16

Addition valve control method and addition valve controller

#135
20100212303
2010-08-26

DEVICE FOR INJECTING AN ADDITIVE INTO THE EXHAUST SYSTEM OF MOTOR VEHICLE

#136
20100212290
2010-08-26

Reductant dosing system having anti-aeration device

#137
20100199648
2010-08-12

System for storing an additive solution and injecting it into the exhaust gases of an engine

#138
20100186374
2010-07-29

Method for heating an SCR system using resistive heating elements

#139
20100172763
2010-07-08

Process for starting a pump

#140
20100139252
2010-06-10

Method and device for purging an injector in a fuel injector system of use in the regeneration of a particulate filter

#141
20100122521
2010-05-20

Method for purging a dosing system

#142
20100107614
2010-05-06

Bypass purge for protecting against formation of reductant deposits

#143
20100071351
2010-03-25

Exhaust emission control system for engine and control method therefor

#144
20090301063
2009-12-10

Exhaust gas purification device

#145
20090277162
2009-11-12

INJECTION METHOD AND DEVICE FOR INJECTING A REDUCING SUBSTANCE INTO AN EXHAUST SYSTEM OF AN INTERNAL COMBUSTION ENGINE

#146
20090230136
2009-09-17

Engine exhaust gas additive storage system

#147
20090199538
2009-08-13

Fluid transfer system and method

#148
20090151332
2009-06-18

Exhaust gas purification system for internal combustion engine

#149
20090126348
2009-05-21

Metering valve assembly and method for operating a metering valve assembly

#150
20090101656
2009-04-23

System for storing an additive and for injecting it into engine exhaust gases

#151
20090084094
2009-04-02

Exhaust aftertreatment system with compliantly coupled sections

#152
20090038299
2009-02-12

Reducing agent injector having purge heater

#153
20090020623
2009-01-22

Apparatus, system, and method to provide air to a doser injector nozzle

#154
20090007545
2009-01-08

Exhaust Purifier for Internal Combustion Engine

#155
20090000605
2009-01-01

Regeneration system having integral purge and ignition device

#156
20080295492
2008-12-04

Injector cleaning system based on pressure decay

#157
20080282681
2008-11-20

Exhaust emission purifying apparatus for engine

#158
20080276601
2008-11-13

Exhaust emission purifying apparatus for engine

#159
20080223340
2008-09-18

Regeneration system and method for particulate traps

#160
20080209890
2008-09-04

Method of purging fluid injector by heating

#161
20080148716
2008-06-26

Exhaust gas purification device of internal combustion engine

#162
20080078172
2008-04-03

Exhaust treatment device having a fuel powered burner

#163
20080053069
2008-03-06

Injector having tangentially oriented purge line

#164
20080035187
2008-02-14

Fuel supply component cleaning system

#165
20080034733
2008-02-14

Fuel supply component purging system

#166
20080022656
2008-01-31

Fuel addition apparatus

#167
20070289287
2007-12-20

Abnormality diagnosing device for internal combustion engine and abnormality diagnosing method therefor

#168
20070283685
2007-12-13

Metering system and method for operating a metering system

#169
20070277509
2007-12-06

Exhaust gas purification system and method of purifying exhaust gas

#170
20070186542
2007-08-16

Exhaust gas purification apparatus of engine

#171
20070163232
2007-07-19

Exhaust gas purifying apparatus for engine

#172
20070079601
2007-04-12

Engine control apparatus and engine operating method

#173
20060168941
2006-08-03

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

#174
20060096274
2006-05-11

Method for the post-injection of hydrocarbon-, alcohol- and/or reducing-agent-type regeneration solution (e.g. diesel fuel and/or urea and/or ammoniacal solution) for the regeneration of diesel engine exhaust gas filtration systems

#175
20050172615
2005-08-11

Device for producing a reducing agent/exhaust gas mixture and exhaust gas purification system

#176
20050150220
2005-07-14

Method and apparatus for monitoring engine performance as a function of soot accumulation in a filter

#177
20050076635
2005-04-14

Air fuel ratio control apparatus for an internal combustion engine