ClassID:

138175

F01N2550/14 - CPC Classification

Classification description:

Monitoring or diagnosing the deterioration of exhaust systems Systems for adding secondary air into exhaust

Recent Application in this class:
#1
20240384681
2024-11-21

Internal Combustion Engine for a Motor Vehicle, in Particular for a Motor Car

#2
20240254905
2024-08-01

EXHAUST SYSTEM, CONTROLLER AND METHOD FOR AN INTERNAL COMBUSTION ENGINE

#3
20240191651
2024-06-13

Deterioration estimation device

#4
20240191645
2024-06-13

AIR SUPPLY TO AN INTERNAL COMBUSTION ENGINE AND METHOD AND DEVICE FOR DIAGNOSING AN AIR SUPPLY TO AN INTERNAL COMBUSTION ENGINE

#5
20240026809
2024-01-25

Flow estimation for secondary air system

#6
20240003279
2024-01-04

Method for operating an exhaust burner, device for executing such a method, and motor vehicle

#7
20230417167
2023-12-28

Internal Combustion Engine for a Motor Vehicle, in Particular for a Motor Car

#8
20230203978
2023-06-29

EHC line leakage diagnosis method and vehicle exhaust system thereof

#9
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

#10
20230061467
2023-03-02

Method, processing unit, and computer program for ascertaining an air volume provided by means of an electric air pump in an exhaust system of an internal combustion engine

#11
20230003157
2023-01-05

Method for operating an exhaust gas burner during its start phase

#12
20220349365
2022-11-03

Engine system with reversible exhaust gas recirculation pump for controlling bypass flow

#13
20220145788
2022-05-12

Diesel engine high pressure SCR ventilation and pressure stabilization system

#14
20220120202
2022-04-21

Exhaust gas aftertreatment system, and method for the exhaust gas aftertreatment of an internal combustion engine

#15
20210348539
2021-11-11

Method for operating an internal combustion engine with a secondary air system

#16
20200340381
2020-10-29

System and method for determining reductant delivery performance

#17
20200256233
2020-08-13

System and method for controlling the emissions of a spark-ignition internal combustion engine of a motor-vehicle

#18
20200224573
2020-07-16

Regeneration air system for an exhaust aftertreatment system of an internal combustion engine, and method for exhaust aftertreatment

#19
20190003362
2019-01-03

System and method for determining reductant delivery performance

#20
20180283255
2018-10-04

Catalyst protection system from oxygen deprived exhaust

#21
20180058289
2018-03-01

Engine exhaust catalyst heating system

#22
20170370267
2017-12-28

Method and control device for correcting an output signal of an exhaust gas sensor

#23
20170314442
2017-11-02

Secondary air system in an exhaust gas purification system of an internal combustion engine

#24
20170216771
2017-08-03

Method for cleaning process off- or engine exhaust gas

#25
20170167351
2017-06-15

EXHAUST GAS DILUTION DEVICE AND EXHAUST GAS MEASURING SYSTEM USING THE SAME

#26
20170145888
2017-05-25

Pump for a secondary air system of an internal combustion engine

#27
20160368580
2016-12-22

Engine for outboard motor

#28
20160312682
2016-10-27

Exhaust gas measurement system

#29
20160305302
2016-10-20

Method and system for reducing engine exhaust emissions

#30
20160273438
2016-09-22

Exhaust gas sampling apparatus and exhaust gas analysis system

#31
20160194998
2016-07-07

Secondary-air system and method for checking the operability of the secondary-air system

#32
20160076422
2016-03-17

NH3 flow measurement

#33
20150218989
2015-08-06

Method and an apparatus for warming a catalyst in an internal combustion engine

#34
20150135688
2015-05-21

Heat storage device

#35
20150010449
2015-01-08

Emissions control in stationary rich burn engines

#36
20140294678
2014-10-02

Exhaust emission purification control device for engine

#37
20140230757
2014-08-21

Internal combustion engine control apparatus and internal combustion engine control method

#38
20140150414
2014-06-05

Coaxial inlet and outlet exhaust treatment device

#39
20140130589
2014-05-15

Method and device for operating a sensor for determining exhaust gas components, in particular for a motor vehicle

#40
20140114551
2014-04-24

Leak and blockage diagnostic systems and methods

#41
20140020367
2014-01-23

Vehicle having system and method of diagnosing secondary air injection apparatus

#42
20130312388
2013-11-28

DUAL AIR CIRCUIT FOR EXHAUST GAS TREATMENT

#43
20130239548
2013-09-19

Exhaust treatment secondary air supply system

#44
20120285263
2012-11-15

Secondary air system diagnostic test

#45
20120192551
2012-08-02

Coaxial inlet and outlet exhaust treatment device

#46
20120192547
2012-08-02

Dual air circuit for exhaust gas treatment

#47
20120143461
2012-06-07

Systems and methods for estimating a temperature calibration

#48
20110280746
2011-11-17

Mechanical vacuum pump integrated with coupled secondary air injection valve

#49
20110258984
2011-10-27

Start-stop hybrid exothermic catalyst heating system

#50
20110252793
2011-10-20

DEVICE FOR TURBOCHARGING AN INTERNAL COMBUSTION ENGINE, VEHICLE, AND METHOD FOR TURBOCHARGING AN INTERNAL COMBUSTION ENGINE

#51
20100222981
2010-09-02

Method for monitoring the secondary air system in an exhaust-gas purification system

#52
20100192929
2010-08-05

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

#53
20100018189
2010-01-28

CONTROL SYSTEM OF INTERNAL COMBUSTION ENGINE

#54
20080229730
2008-09-25

NOtrapping catalytic converter diagnostic apparatus

#55
20080202223
2008-08-28

Diagnosis apparatus for secondary air supply apparatus

#56
20080110159
2008-05-15

Valve device and secondary air supply system having the same

#57
20080016954
2008-01-24

Procedure and control unit to diagnose a secondary air system

#58
20070137185
2007-06-21

Secondary air supply apparatus and control method for the same

#59
20070051093
2007-03-08

Control apparatus and control method for internal combustion engine provided with secondary air supply

#60
20070039313
2007-02-22

Secondary airflow system for engine exhaust emission diagnostics

#61
20070039312
2007-02-22

Secondary air supply system and abnormality detection method for secondary air supply system

#62
20070028596
2007-02-08

Diagnostic equipment for an exhaust gas cleaning apparatus

#63
20060218901
2006-10-05

Diagnosis apparatus for secondary air supply apparatus

#64
20060090455
2006-05-04

Abnormality diagnosis apparatus for secondary air supply system of engine

#65
20060048504
2006-03-09

Device for supplying secondary air

#66
20060025919
2006-02-02

Secondary airflow system for engine exhaust emission diagnostics

#67
20050204732
2005-09-22

Pressure detecting apparatus having solenoid valve and pressure sensor

#68
20050178108
2005-08-18

Method for operating an electro motor-driven secondary air pump

#69
20050150209
2005-07-14

Method for diagnosing a secondary-air system of an internal combustion engine

#70
20050138919
2005-06-30

Secondary air supply system and fuel injection amount control apparatus using the same

#71
20050120711
2005-06-09

Secondary air supply system and abnormality diagnosis method of secondary air supply system

#72
20050109029
2005-05-26

Internal combustion engine with exhaust-gas turbocharger and secondary air injection

#73
20050016265
2005-01-27

Method and arrangement for monitoring the operability of a secondary air system

#74
20050016160
2005-01-27

Diagnostic equipment for an exhaust gas cleaning apparatus

#75
18922741
2025-09-02

Dual function catalyst preheating and EGR system

#76
18750897
2025-08-19

Vehicle with gasoline particulate filter soot regeneration strategy with criteria emission reduction for low NOX emissions

#77
17869633
2023-07-11

Flow estimation for secondary air system