ClassID:

138298

F01N2900/1822 - 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 Pump parameters

Recent Application in this class:
#1
20260084105
2026-03-26

EXHAUST GAS TREATMENT SYSTEM AND METHOD

#2
20240309787
2024-09-19

Method for measuring fluid injection

#3
20240229698
2024-07-11

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

#4
20240075427
2024-03-07

Catalytic system and method for the removal of HCN from off-gases of a fluid cracking unit using same, and FCC unit assembly including the catalytic system

#5
20230383684
2023-11-30

Method for adapting the volume flow

#6
20230349312
2023-11-02

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

#7
20230338897
2023-10-26

EXHAUST GAS TREATMENT SYSTEM AND METHOD

#8
20230235689
2023-07-27

Control method for reductant generation device, exhaust purification method, reductant generation system, and exhaust purification system

#9
20230212972
2023-07-06

Method for checking operability, checking device and motor vehicle

#10
20230193802
2023-06-22

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

#11
20230147578
2023-05-11

Non-intrusive reductant injector clogging detection

#12
20230117708
2023-04-20

Machine body and working machine

#13
20220251988
2022-08-11

Urea water supply system

#14
20220243629
2022-08-04

Method for operating a system with a plurality of metering valves

#15
20210148268
2021-05-20

Systems and methods for increasing reductant insertion accuracy

#16
20210025310
2021-01-28

Reductant insertion assembly comprising a bladder

#17
20200347766
2020-11-05

Reductant insertion assemblies including multiple metering assemblies and a single pump

#18
20200340381
2020-10-29

System and method for determining reductant delivery performance

#19
20200271038
2020-08-27

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

#20
20190353070
2019-11-21

Delay based feed forward strategy to control pressure in a diesel exhaust fluid delivery system

#21
20190277175
2019-09-12

Reductant insertion assemblies including multiple metering assemblies and a single pump

#22
20190242284
2019-08-08

Diesel exhaust fluid pressure measuring and control systems and methods

#23
20190226375
2019-07-25

Systems and methods for improving injector accuracy

#24
20190186328
2019-06-20

Abnormality determination device

#25
20190186327
2019-06-20

Abnormality diagnosis device for reducing agent adding device

#26
20190136733
2019-05-09

Systems and methods for heating reductant

#27
20190063296
2019-02-28

Diagnostic and mitigation strategy for reductant injector obstruction in exhaust system

#28
20190003362
2019-01-03

System and method for determining reductant delivery performance

#29
20180320576
2018-11-08

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

#30
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

#31
20180245498
2018-08-30

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

#32
20180238323
2018-08-23

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

#33
20180230880
2018-08-16

Systems and methods for increasing diesel exhaust fluid delivery capacity

#34
20180028976
2018-02-01

Reagent doser diagnostic system and method

#35
20180028974
2018-02-01

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

#36
20180010502
2018-01-11

Methods for detecting a dosing error

#37
20170328253
2017-11-16

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

#38
20170218814
2017-08-03

Diesel exhaust fluid delivery system with pressure control

#39
20170096927
2017-04-06

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

#40
20170051648
2017-02-23

Reductant supply system

#41
20160348555
2016-12-01

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

#42
20160131005
2016-05-12

Method for operating a device for conveying a liquid

#43
20160061079
2016-03-03

Aftertreatment system having dynamic independent injector control

#44
20160032804
2016-02-04

Method pertaining to an SCR system and an SCR system

#45
20160032800
2016-02-04

Control system of internal combustion engine

#46
20150361858
2015-12-17

Urea water supply system

#47
20150361857
2015-12-17

Urea water supply system

#48
20150354429
2015-12-10

METHOD FOR MONITORING UREA QUALITY OF AN SCR SYSTEM

#49
20150308317
2015-10-29

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

#50
20150159536
2015-06-11

Method for operating a metering device, metering device and motor vehicle

#51
20150153244
2015-06-04

Method and device for checking the hydraulic leak-tightness in an exhaust gas aftertreatment system for a motor vehicle

#52
20150104363
2015-04-16

Reagent doser diagnostic system and method

#53
20140245720
2014-09-04

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

#54
20140182271
2014-07-03

SCR system and a method of purging it

#55
20130276429
2013-10-24

Method for diagnosing a metering valve and device for carrying out the method

#56
20130126000
2013-05-23

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

#57
20130025268
2013-01-31

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

#58
20110083424
2011-04-14

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

#59
20110079000
2011-04-07

Process for starting an SCR system

#60
17902309
2025-01-21

Diesel exhaust fluid pump system and method