ClassID:

137909

F01N11/007 - page 3 - CPC Classification

Classification description:

Monitoring or diagnostic devices for exhaust-gas treatment apparatus, e.g. for catalytic activity the diagnostic devices measuring oxygen or air concentration downstream of the exhaust apparatus

Recent Application in this class:
#601
20140020367
2014-01-23

Vehicle having system and method of diagnosing secondary air injection apparatus

#602
20140007650
2014-01-09

Particulate matter processing apparatus

#603
20140000354
2014-01-02

System for sensing soot of diesel vehicle

#604
20130327124
2013-12-12

Method for setting a temperature of a sensor element

#605
20130283787
2013-10-31

Supercharger-equipped internal combustion engine

#606
20130276431
2013-10-24

Oxygen sensor and oxygen sensor control device

#607
20130276427
2013-10-24

Method and device for testing the function capacity of an NO oxidation catalyst

#608
20130269323
2013-10-17

Particulate matter deposition amount estimation device, exhaust gas purification system, and particulate matter deposition amount estimation method

#609
20130269319
2013-10-17

Method and device for operating an internal combustion engine

#610
20130255631
2013-10-03

Operation of an internal combustion engine

#611
20130255232
2013-10-03

Oxygen sensor control apparatus

#612
20130245919
2013-09-19

LOW DIMENSIONAL THREE WAY CATALYST MODEL FOR CONTROL AND DIAGNOSTICS

#613
20130231844
2013-09-05

Non-intrusive exhaust gas sensor monitoring

#614
20130228008
2013-09-05

Device and method of determining deterioration of catalyst

#615
20130219862
2013-08-29

Control system for determining biofuel content

#616
20130199161
2013-08-08

Device for purifying exhaust gas of internal combustion engine

#617
20130180322
2013-07-18

Catalyst abnormality diagnosis apparatus

#618
20130139489
2013-06-06

Method and algorithm for diagnosing an NH3 sensor in an SCR system using measurements from two channels of the sensor

#619
20130103254
2013-04-25

Ozone converting catalyst fault identification systems and methods

#620
20130054083
2013-02-28

Catalyst oxygen storage capacity adjustment systems and methods

#621
20130047841
2013-02-28

DEVICE FOR DIAGNOSING A PARTICLE FILTER

#622
20130047589
2013-02-28

Exhaust purification system of internal combustion engine

#623
20130036808
2013-02-14

Catalyst abnormality diagnosis apparatus

#624
20130017121
2013-01-17

Exhaust purification system of internal combustion engine

#625
20130012081
2013-01-10

Water jet propulsion watercraft

#626
20120324869
2012-12-27

Catalyst degradation detection apparatus

#627
20120324864
2012-12-27

System and methods for controlling air fuel ratio

#628
20120318055
2012-12-20

DPF failure detection method and DPF failure detection device

#629
20120317960
2012-12-20

Catalyst degradation detection device

#630
20120317959
2012-12-20

Diagnostic system and method for an oxygen sensor positioned downstream from a catalytic converter

#631
20120312087
2012-12-13

Diagnostic apparatus for fuel-property reforming system

#632
20120311995
2012-12-13

NOadsorber catalyst condition evaluation apparatus and associated methods

#633
20120265396
2012-10-18

Distinguishing between EGR valve and oxygen sensor degradation

#634
20120225488
2012-09-06

Particulate measurement system

#635
20120216508
2012-08-30

Emission control

#636
20120216507
2012-08-30

Method for determining soot mass stored with a particulate filter

#637
20120191288
2012-07-26

ON-BOARD DIAGNOSTICS SYSTEM AND METHOD

#638
20120144813
2012-06-14

Failure detection apparatus for particulate filter

#639
20120124973
2012-05-24

Method for predicting NOx amount and exhaust system using the same

#640
20120096839
2012-04-26

Oxygen sensor bung of motor vehicle exhaust pipe

#641
20120085084
2012-04-12

Exhaust gas purification system of an internal combustion engine

#642
20120078535
2012-03-29

ABNORMALITY DETERMINATION APPARATUS

#643
20120078487
2012-03-29

ENGINE CONTROL SYSTEM AND METHOD BASED ON FUEL QUALITY

#644
20120055231
2012-03-08

Method for determining a delay time of a pre-catalytic converter lambda probe and method for determining the oxygen storage capacity of an oxygen store

#645
20120053816
2012-03-01

METHOD FOR DETERMINING THE OXYGEN STORAGE CAPACITY OF A CATALYTIC CONVERTER AND METHOD FOR DETERMINING A TIME DELAY INHERENT IN A LAMBDA PROBE

#646
20120042632
2012-02-23

METHOD AND APPARATUS FOR PROCESSING EXHAUST GAS IN INTERNAL COMBUSTION ENGINE

#647
20120031170
2012-02-09

Catalyst degradation detection apparatus and catalyst degradation detection method

#648
20120031077
2012-02-09

PM SENSOR, PM AMOUNT SENSING DEVICE FOR EXHAUST GAS, AND ABNORMALITY DETECTION APPARATUS FOR INTERNAL COMBUSTION ENGINE

#649
20120031075
2012-02-09

METHOD FOR DETERMINING OXYGEN STORAGE CAPACITY

#650
20120023913
2012-02-02

CATALYST ABNORMALITY DIAGNOSIS APPARATUS

#651
20120017568
2012-01-26

Ammonia sensor control, with NOfeedback, of an SCR aftertreatment system

#652
20110301908
2011-12-08

Detection device for internal combustion engine

#653
20110296817
2011-12-08

Adaptive oxygen sensor methods, systems, and software

#654
20110283981
2011-11-24

Apparatus for acquiring responsibility of oxygen concentration sensor

#655
20110252867
2011-10-20

Method for diagnosing the performance of a catalytic converter

#656
20110232269
2011-09-29

Catalyst deterioration diagnostic device for internal combustion engine

#657
20110219746
2011-09-15

System, method, and apparatus for controlling an aftertreatment system having a particulate filter and a rich NOconversion device

#658
20110162629
2011-07-07

Method and system for controlling an engine during diesel particulate filter regeneration warm-up

#659
20110138876
2011-06-16

Method and device for determining an oxygen storage capacity of a catalytic converter of an internal combustion engine and method and device for determining a dynamic time duration for exhaust probes of an internal combustion engine

#660
20110113756
2011-05-19

System, method and apparatus for fuel injector diagnostics

#661
20110113751
2011-05-19

Method and device for determining a dynamic time duration for exhaust gas probes of an internal combustion engine

#662
20110107827
2011-05-12

Method for testing the functionality of an oxidation catalyst of an internal combustion engine

#663
20110083652
2011-04-14

Method and device for operating an internal combustion engine

#664
20110083425
2011-04-14

Integrated fuel catalyst monitor

#665
20110082622
2011-04-07

Method and device for diagnosing the dynamics of an exhaust gas sensor

#666
20110072787
2011-03-31

Fuel control for spark ignited engine having a particulate filter system

#667
20110056279
2011-03-10

Method for checking a catalytic converter oxygen storage reservoir for sufficient storage capacity

#668
20110047984
2011-03-03

EXHAUST SYSTEM

#669
20110036144
2011-02-17

METHOD AND DEVICE FOR REGENERATING A PARTICLE FILTER HAVING AN EXHAUST GAS PROBE SITUATED IN THE EXHAUST GAS DUCT DOWNSTREAM THEREOF

#670
20110023590
2011-02-03

Method to detect and mitigate unsolicited exotherms in a diesel aftertreatment system

#671
20100326053
2010-12-30

Method and device for operating an internal combustion engine

#672
20100307135
2010-12-09

Apparatus and method for diagnosing catalyst deterioration

#673
20100294235
2010-11-25

System and method for compensation of fuel injector limits

#674
20100242569
2010-09-30

Approach for determining exhaust gas sensor degradation

#675
20100236218
2010-09-23

Detection of leakage in an air system of a motor vehicle

#676
20100218487
2010-09-02

Model-based diagnostics of NOx sensor malfunction for selective catalyst reduction system

#677
20100217506
2010-08-26

Internal combustion engine air-fuel ratio control apparatus and method

#678
20100212416
2010-08-26

Abnormality determination apparatus and method for oxygen sensor

#679
20100212414
2010-08-26

Abnormality determination apparatus and method for oxygen sensor

#680
20100205939
2010-08-19

Exhaust gas purifying apparatus for internal combustion engine

#681
20100199635
2010-08-12

Exhaust gas purifying system

#682
20100191444
2010-07-29

Hydrogen detecting device and method, and internal combustion engine abnormality deciding device

#683
20100175368
2010-07-15

METHOD FOR CHECKING AN OXIDATION CATALYTIC CONVERTER AND EXHAUST GAS AFTER TREATMENT ARRANGEMENT FOR AN INTERNAL COMBUSTION ENGINE

#684
20100154387
2010-06-24

ABNORMALITY DETECTION DEVICE FOR REDUCTANT ADDITION VALVE

#685
20100146936
2010-06-17

Catalyst deterioration detection device

#686
20100116244
2010-05-13

System and method for engine air-fuel ratio control

#687
20100114453
2010-05-06

System and method for determining oxygen sensor heater resistance

#688
20100089033
2010-04-15

Diagnostic method and device for operating an internal combustion engine

#689
20100083635
2010-04-08

CATALYST MONITORING SYSTEM AND CATALYST MONITORING METHOD

#690
20100050602
2010-03-04

Deterioration diagnosing apparatus for exhaust gas purifying catalyst

#691
20100043397
2010-02-25

On board diagnostic monitor of NOx conversion efficiency for aftertreatment device

#692
20100024394
2010-02-04

TROUBLE DIAGNOSIS DEVICE FOR EXHAUST GAS PURIFICATION SYSTEM AND TROUBLE DIAGNOSIS METHOD FOR EXHAUST GAS PURIFICATION SYSTEM

#693
20090320790
2009-12-31

System and method for compensation of fuel injector limits

#694
20090320454
2009-12-31

CATALYST MONITORING SYSTEM AND METHOD

#695
20090313974
2009-12-24

Catalyst deterioration-determination device and method and engine control unit

#696
20090313971
2009-12-24

Diesel Exhaust Treatment System Catalyst Monitoring

#697
20090313970
2009-12-24

Deterioration determination device and method for exhaust emission reduction device, and engine control unit

#698
20090308058
2009-12-17

Deterioration determination device for catalyst, catalyst deterioration determining method, and engine control unit

#699
20090301059
2009-12-10

Exhaust purification device of internal combustion engine

#700
20090288391
2009-11-26

CATALYST DETERIORATION DETECTION DEVICE

#701
20090282891
2009-11-19

Method for diagnosing the reliability performance of a jump probe

#702
20090272367
2009-11-05

Method and device for operating an internal combustion engine

#703
20090266054
2009-10-29

Control Apparatus and Method for Internal Combustion Engine

#704
20090260429
2009-10-22

Procedure and device for diagnosing the dynamic of an exhaust gas sensor

#705
20090248281
2009-10-01

Control apparatus and method for internal combustion engine

#706
20090235726
2009-09-24

Method for determining the oxygen storage capacity of a catalytic converter for a motor vehicle as well as an associated measuring device

#707
20090235646
2009-09-24

Exhaust gas purification method and system

#708
20090229251
2009-09-17

EXHAUST PURIFICATION CONTROL DEVICE AND EXHAUST PURIFICATION SYSTEM

#709
20090229247
2009-09-17

Control device and exhaust purification method of internal combustion engine

#710
20090211233
2009-08-27

Abnormality determination apparatus for electrically heated catalyst

#711
20090199543
2009-08-13

CATALYST MONITORING SYSTEM AND MONITORING METHOD

#712
20090165440
2009-07-02

Catalyst Deterioration Monitoring System and Catalyst Deterioration Monitoring Method

#713
20090158708
2009-06-25

ENGINE COMPRISING A CATALYTIC CONVERTER WITH FAILSAFE OPERATION

#714
20090151336
2009-06-18

Aging device for catalytic converter in vehicle and method thereof

#715
20090151323
2009-06-18

METHOD AND DEVICE FOR OPERATING AN EXHAUST-GAS AFTER-TREATMENT SYSTEM

#716
20090150019
2009-06-11

Vehicle diagnostic control apparatus

#717
20090145110
2009-06-11

Apparatus for diagnosing exhaust gas purifying device

#718
20090145109
2009-06-11

Catalyst degradation diagnosis device and diagnosis method for internal combustion engine

#719
20090139213
2009-06-04

Abnormality diagnosis device of internal combustion engine

#720
20090126344
2009-05-21

Method and device for determining an oxygen storage capacity of a catalytic converter of an internal combustion engine and method and device for determining a dynamic time duration for exhaust probes of an internal combustion engine

#721
20090107113
2009-04-30

Controlled air-fuel ratio modulation air fuel sensor input

#722
20090038308
2009-02-12

Exhaust gas recirculation apparatus for internal combustion engine and method of controlling exhaust gas recirculation apparatus

#723
20090030592
2009-01-29

Catalyst Deterioration Detecting Apparatus of Vehicle Internal Combustion Engine

#724
20090013665
2009-01-15

Monitoring of exhaust gas oxygen sensor performance

#725
20090012671
2009-01-08

Method and device for operating an internal combustion engine

#726
20090008165
2009-01-08

Power output apparatus, control method of power output apparatus, and vehicle equipped with power output apparatus

#727
20080314023
2008-12-25

Method for determining current oxygen loading of a 3-way catalytic converter of a lambda-controlled internal combustion engine

#728
20080276604
2008-11-13

Exhaust gas cleaning apparatus

#729
20080271435
2008-11-06

Deterioration diagnosis system for an air-fuel ratio sensor

#730
20080257325
2008-10-23

Air-fuel ratio control apparatus for internal combustion engine

#731
20080245057
2008-10-09

Method for the diagnosis of a three-way-catalytic converter for an internal combustion engine

#732
20080243362
2008-10-02

Air-fuel ratio detection apparatus of internal combustion engine

#733
20080210209
2008-09-04

Lambda controller with balancing of the quantity of oxygen

#734
20080196390
2008-08-21

Deterioration-determination apparatus for exhaust gas purifying system

#735
20080196387
2008-08-21

Method and device for managing the operation of a nitrogen oxide trap, and diagnosing its ageing condition

#736
20080184699
2008-08-07

Exhaust gas cleaning apparatus and method thereof

#737
20080173008
2008-07-24

Catalyst deterioration detecting system and catalyst deterioration detecting method of internal combustion engine

#738
20080168824
2008-07-17

Method for on-board diagnostics of diesel engine NOx adsorber catalysts

#739
20080163608
2008-07-10

Device for estimating the load state of a NO storage catalytic converter

#740
20080154481
2008-06-26

Adaptive oxygen sensor methods, systems, and software

#741
20080154476
2008-06-26

Air fuel ratio control apparatus for an internal combustion engine

#742
20080148711
2008-06-26

Air fuel ratio control apparatus for an internal combustion engine

#743
20080120969
2008-05-29

Exhaust emission control device and method for internal combustion engine, and engine control unit

#744
20080115768
2008-05-22

Flexible fuel prediction and driver message display

#745
20080115486
2008-05-22

Flexible fuel tolerant catalytic converter diagnostic method

#746
20080105031
2008-05-08

Method and device for diagnosis of an exhaust gas cleaning system

#747
20080098729
2008-05-01

Device for purifying exhaust gas of an internal combustion engine

#748
20080092529
2008-04-24

Exhaust gas purifying apparatus for internal combustion engine

#749
20080092523
2008-04-24

Method For Diagnosing Cylinder-Associated Individual Catalytic Converters Of A Multicylinder Otto Cycle Internal Combustion Engine

#750
20080087013
2008-04-17

Swirl-Stabilized Burner for Thermal Management of Exhaust System and Associated Method

#751
20080082249
2008-04-03

Method for determining the conversion performance of an oxygen storage-capable catalytic converter of an internal combustion engine

#752
20080034732
2008-02-14

Exhaust Emission Control Device

#753
20080016855
2008-01-24

Exhaust gas purification system for an internal combustion engine

#754
20080016847
2008-01-24

Method and device for determining an oxygen storage capacity of the exhaust gas catalytic converter of an internal combustion engine and method and device for determining a dynamic time duration for exhaust gas probes of an internal combustion engine

#755
20080011282
2008-01-17

Air-fuel ratio control apparatus for internal combustion engine

#756
20070298504
2007-12-27

Diesel exhaust treatment system catalyst monitoring

#757
20070289295
2007-12-20

Exhaust purification apparatus of internal combustion engine and control method thereof

#758
20070288134
2007-12-13

System and method for demonstrating functionality of on-board diagnostics for vehicles

#759
20070277504
2007-12-06

Air-fuel ratio feedback control device

#760
20070277503
2007-12-06

Method for checking the friction capability of an exhaust gas catalytic converter

#761
20070261390
2007-11-15

Deterioration diagnostic system of exhaust gas purifying catalyst

#762
20070256406
2007-11-08

Control and diagnostic approach for emission control device

#763
20070251213
2007-11-01

Scheme for detecting deterioration of a catalyst in an engine

#764
20070244621
2007-10-18

Diagnostic method for an exhaust gas probe and diagnostic device for an exhaust gas probe

#765
20070240695
2007-10-18

Air-fuel ratio detection apparatus of internal combustion engine

#766
20070240403
2007-10-18

Catalyst deterioration diagnosis apparatus and catalyst deterioration diagnosis method for internal combustion engine

#767
20070227123
2007-10-04

Air-fuel ratio control system for internal combustion engine

#768
20070227121
2007-10-04

Air-fuel ratio control system for internal combustion engine

#769
20070220961
2007-09-27

Method for diagnosing the degree of aging of a catalytic converter disposed in the exhaust gas channel of an internal combustion engine

#770
20070220863
2007-09-27

Deterioration detecting apparatus for catalyst

#771
20070220862
2007-09-27

Deterioration detecting apparatus for catalyst

#772
20070214775
2007-09-20

Diagnostic apparatus for an exhaust gas purification system of an internal combustion engine, an exhaust gas purification system and a diagnostic method thereof

#773
20070203635
2007-08-30

Procedure and control device to diagnose a catalytic converter system of an internal combustion engine

#774
20070186540
2007-08-16

Expanded mixture control for reducing exhaust-gas emissions

#775
20070157907
2007-07-12

Gas density ratio detector, gas concentration detector, and fuel vapor treatment apparatus

#776
20070157610
2007-07-12

Method for detecting excessive burn

#777
20070144145
2007-06-28

Diagnostic apparatus and diagnostic method for an internal combustion engine

#778
20070144144
2007-06-28

Exhaust gas purifying system for internal combustion engine

#779
20070137178
2007-06-21

Procedure to measure the oxygen storage capability of an emission control system

#780
20070137177
2007-06-21

Onboard diagnostics for anomalous cylinder behavior

#781
20070125067
2007-06-07

Exhaust system

#782
20070119421
2007-05-31

System and method for compensation of fuel injector limits

#783
20070119415
2007-05-31

System and method for engine air-fuel ratio control

#784
20070113539
2007-05-24

Heater control device for gas sensor

#785
20070113538
2007-05-24

Exhaust gas purifying system and abnormality determining method therefor

#786
20070095051
2007-05-03

Control apparatus and method for internal combustion engine

#787
20070095050
2007-05-03

Apparatus and method for diagnosing deterioration of catalyst, and catalytic converter apparatus for exhaust emission of engine

#788
20070089719
2007-04-26

Method and apparatus for controlling stationary gaseous-fueled internal combustion engines

#789
20070089398
2007-04-26

Method and device for detecting deterioration of catalyst

#790
20070084196
2007-04-19

System and method for determining a NOx storage capacity of a catalytic device

#791
20070084195
2007-04-19

System and method for determining a NOstorage capacity of catalytic device

#792
20070084192
2007-04-19

Air-fuel ratio control apparatus of internal combustion engine and control method thereof

#793
20070079597
2007-04-12

System and method for monitoring operation of an exhaust gas treatment system

#794
20070068140
2007-03-29

System and method for monitoring the efficiency of a catalyst treating engine exhaust

#795
20070062489
2007-03-22

Controller of an internal combustion engine

#796
20070062177
2007-03-22

Apparatus for evaluating deterioration condition of catalyst of internal combustion engine

#797
20070056557
2007-03-15

Fuel injection control device and control method for internal combustion engine and recording medium recorded with program realizing control method

#798
20070051094
2007-03-08

HC adsorbing material and device for judging deterioration of the HC adsorbing material

#799
20070051092
2007-03-08

Air/fuel ratio validation for lean burn

#800
20070033924
2007-02-15

Control device for internal combustion engine

#801
20070028678
2007-02-08

Method for dynamic diagnosis of an exhaust gas analyzer probe

#802
20070028596
2007-02-08

Diagnostic equipment for an exhaust gas cleaning apparatus

#803
20070017212
2007-01-25

Catalyst diagnosis apparatus for internal combustion engine

#804
20070010932
2007-01-11

Apparatus and method for detecting deterioration of exhaust gas sensor

#805
20070000235
2007-01-04

Device and method for estimating temperature of exhaust pipe of internal combustion engine

#806
20060283181
2006-12-21

Swirl-stabilized burner for thermal management of exhaust system and associated method

#807
20060272315
2006-12-07

Fuel control for robust detection of catalytic converter oxygen storage capacity

#808
20060260295
2006-11-23

Method and device for diagnosing a reading

#809
20060258014
2006-11-16

Method for estimating the sulfur content in the fuel of an internal combustion engine

#810
20060258013
2006-11-16

Method for estimating the sulfur content in the fuel of an internal combustion engine

#811
20060254257
2006-11-16

Apparatus and method for determining catalyst degradation

#812
20060242950
2006-11-02

Apparatus and method for regenerating an exhaust gas aftertreatment component of an internal combustion engine

#813
20060242948
2006-11-02

Air-fuel ratio controller for internal combustion engine

#814
20060237315
2006-10-26

Gas sensor

#815
20060236678
2006-10-26

Degradation estimating apparatus for unburned component adsorption catalyst

#816
20060207244
2006-09-21

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

#817
20060206241
2006-09-14

Control unit for vehicle and total control system therefor

#818
20060201138
2006-09-14

Catalyst condition monitor based on differential area under the oxygen sensors curve algorithm

#819
20060168946
2006-08-03

System for diagnosing deterioration of catalyst

#820
20060165567
2006-07-27

Coated honeycomb body assembly with measurement sensor and exhaust system having the assembly

#821
20060137326
2006-06-29

Control device for an internal combustion engine

#822
20060101808
2006-05-18

Engine self-diagnosis system

#823
20060090456
2006-05-04

Control apparatus for an internal combustion engine

#824
20060064965
2006-03-30

Diagnostic apparatus for internal combustion engine

#825
20060053772
2006-03-16

NOadsorber diagnostics and automotive exhaust control system utilizing the same

#826
20060048506
2006-03-09

System for processing combustion exhaust gas containing soot particles and NOx

#827
20060047407
2006-03-02

Method for diagnosing catalytic converter performance

#828
20060032215
2006-02-16

Method for the control of the supplied air/fuel ratio of an internal combustion engine

#829
20060021330
2006-02-02

System for controlling NOx emissions during restarts of hybrid and conventional vehicles

#830
20060016178
2006-01-26

Device for determining the mass of NOx stored in a NOx trap, and a system for supervising the regeneration of a NOx trap including such a device

#831
20050284133
2005-12-29

Engine system with mixed exhaust gas oxygen sensor types

#832
20050229588
2005-10-20

System and method for controlling catalyst storage capacity

#833
20050223699
2005-10-13

Bypass controlled regeneration of NOx adsorbers

#834
20050217244
2005-10-06

Catalyst degradation determining method

#835
20050217243
2005-10-06

Catalyst degradation determining method

#836
20050217242
2005-10-06

Catalyst degradation determining method

#837
20050210868
2005-09-29

Method for sensing exhaust gas for OBD

#838
20050210867
2005-09-29

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

#839
20050204804
2005-09-22

Method and device for artificially ageing a catalytic converter

#840
20050204728
2005-09-22

System and method for determining set point location for oxidant-based engine air/fuel control strategy

#841
20050191752
2005-09-01

Diagnostic process for an exhaust gas catalytic converter of a heat engine and vehicle using this process

#842
20050188681
2005-09-01

Deterioration diagnosis of diesel particulate filter

#843
20050188680
2005-09-01

Deterioration diagnosing device and diagnosing method for exhaust gas purification catalyst

#844
20050188679
2005-09-01

Deterioration diagnosing device and diagnosing method for exhaust gas purification catalyst

#845
20050173265
2005-08-11

Sensor device for exhaust gases of internal combustion engines and operating and analyzing method

#846
20050138917
2005-06-30

Deterioration diagnostic device for an exhaust gas purifier

#847
20050122226
2005-06-09

Dual channel air/fuel ratio gauge

#848
20050112046
2005-05-26

Sulfur purge control method and exhaust gas purifying system

#849
20050102094
2005-05-12

Apparatus detecting abnormality of exhaust system of internal combustion engine

#850
20050091966
2005-05-05

System for detecting deterioration of a purifier utilizing a non-linear filter

#851
20050084973
2005-04-21

Diagnostic system for monitoring catalyst performance

#852
20050060986
2005-03-24

Evaluating method for no eliminating catalyst, an evaluating apparatus therefor, and an efficiency controlling method therefor

#853
20050050879
2005-03-10

Computer readable storage medium with instructions for monitoring catalytic device

#854
20050022507
2005-02-03

Method for control of a diagnosis of a catalyst in the exhaust of an internal combustion engine

#855
20050016266
2005-01-27

Test method for an exhaust gas catalytic converter and a corresponding testing device

#856
20050016160
2005-01-27

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Marine drives having exhaust manifold with longitudinally offset inlet ports

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