ClassID:

138253

F01N2900/0406 - CPC Classification

Classification description:

Details of electrical control or of the monitoring of the exhaust gas treating apparatus; Methods of control or diagnosing using a model with a division of the catalyst or filter in several cells

Recent Application in this class:
#1
20260117687
2026-04-30

SYSTEMS AND METHODS FOR PREDICTING AND CONTROLLING TAILPIPE NOx CONVERSION AND AMMONIA SLIP BASED ON DEGRADATION OF AN AFTERTREATMENT SYSTEM

#2
20250207521
2025-06-26

Method for Exhaust Gas After-Treatment of an Internal Combustion Engine Having at Least One SCR Catalyst

#3
20250172083
2025-05-29

SYSTEMS AND METHODS FOR PREDICTING AND CONTROLLING TAILPIPE NOx CONVERSION AND AMMONIA SLIP BASED ON DEGRADATION OF AN AFTERTREATMENT SYSTEM

#4
20240337225
2024-10-10

SYSTEMS AND METHODS FOR FORECASTING AFTERTREATMENT TEMPERATURES OVER A HORIZON

#5
20240052796
2024-02-15

Systems and methods for forecasting aftertreatment temperatures over a horizon

#6
20240052766
2024-02-15

Aftertreatment system NOx and ammonia control strategy

#7
20230313724
2023-10-05

Detecting reductant quality using a virtual sensor

#8
20230175424
2023-06-08

Method for checking an exhaust gas system in a vehicle, and control unit for performing the method

#9
20230032803
2023-02-02

Method, processing unit, and computer program for determining a conversion capability of an exhaust gas catalytic converter

#10
20220414302
2022-12-29

Simulation of gas dynamics of different gas channel geometries in fuel cells

#11
20220349327
2022-11-03

Method for reducing deposits related to a reduction agent in a portion of an exhaust aftertreatment system

#12
20220178288
2022-06-09

Systems and methods for determining amount of reductant deposits in aftertreatment systems

#13
20220049637
2022-02-17

Method and device for controlling at least one SCR catalytic converter of a vehicle

#14
20220018299
2022-01-20

Method and processing unit for controlling an internal combustion engine

#15
20200063633
2020-02-27

METHOD AND SYSTEM FOR COMPENSATING NOX SENSOR MEASUREMENT ERROR

#16
20190353071
2019-11-21

SELECTIVE CATALYTIC REDUCTION DEVICE CONTROL

#17
20190345861
2019-11-14

Method and system for controlling an ammonia coverage degree profile

#18
20190301332
2019-10-03

Method for selective catalytic reduction system

#19
20190218950
2019-07-18

Method for controlling an SCR catalytic converter

#20
20190112953
2019-04-18

Exhaust purification system of controlling injection amount of reducing agent

#21
20180238847
2018-08-23

Method for evaluating exhaust gas simulation

#22
20170350291
2017-12-07

SCR conversion efficiency diagnostics

#23
20170248060
2017-08-31

Exhaust purification system for internal combustion engine

#24
20170022865
2017-01-26

NOestimation using local state-space models

#25
20160348553
2016-12-01

Exhaust purification device and method of calculating NH3 mass generated in lean NOx trap of exhaust purification device

#26
20160169077
2016-06-16

Systems and methods for model based control of catalytic converter systems

#27
20150204258
2015-07-23

One dimensional three way catalyst model for control and diagnostics

#28
20140032189
2014-01-30

Method for model-based determination of a temperature distribution of an exhaust gas post-treatment unit

#29
20140013725
2014-01-16

Kinetics-based SCR control model improvement

#30
20130247543
2013-09-26

Exhaust gas control apparatus and control method for exhaust gas control apparatus

#31
20130101485
2013-04-25

Method for controlling an injection device for feeding an ammonia-releasing reducing agent into an exhaust-gas purification system of an internal combustion engine

#32
20130064717
2013-03-14

Engine exhaust purification device

#33
20120310507
2012-12-06

METHOD AND DEVICE FOR CONTROLLING AN SCR CATALYTIC CONVERTER OF A VEHICLE

#34
20120192635
2012-08-02

Exhaust gas pressure loss calculation device for engine

#35
20120173022
2012-07-05

CONTROL APPARATUS OF AMMONIA LOADING AMOUNT FOR SCR SYSTEM AND CONTROL METHOD FOR THE SAME

#36
20120150495
2012-06-14

THREE-DIMENSIONAL CATALYTIC CONVERTER MODELING

#37
20110060465
2011-03-10

Control apparatus of ammonia loading amount for SCR system and control method for the same

#38
20100326052
2010-12-30

Method for monitoring ammonia storage in an exhaust aftertreatment system

#39
20090049827
2009-02-26

Emission control system implementing reduction agent injection

#40
20090031710
2009-02-05

SCR emissions control system

#41
20070217984
2007-09-20

Method for controlling exhaust emission control device

#42
20070125071
2007-06-07

Method and device for controlling the injection of reducing agent

#43
20070010020
2007-01-11

Method and device for monitoring of a catalyst

#44
15897475
2018-12-18

Method and system for rationalizing a delta pressure sensor for a gasoline particulate filter in a vehicle propulsion system

#45
13432408
2015-06-30

Monolith catalyst test system and method for its use