ClassID:

137895

F01N3/34 - CPC Classification

Classification description:

Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by constructional aspects of converting apparatus; Arrangements for supply of additional air using air conduits or jet air pumps, e.g. near the engine exhaust port

Recent Application in this class:
#1
20250027434
2025-01-23

Upper structure of engine

#2
20240328339
2024-10-03

DIRECTED SECONDARY AIR SUPPLY INTO THE EXHAUST TRACT OF AN INTERNAL COMBUSTION ENGINE

#3
20230417175
2023-12-28

Combustion engine for a motor vehicle, in particular for a car, and motor vehicle

#4
20230212963
2023-07-06

Valve seat injector

#5
20230064739
2023-03-02

EXHAUST SYSTEM

#6
20220356830
2022-11-10

Systems and methods for generating ammonia

#7
20210207739
2021-07-08

Aspiration system for a work vehicle including an adjustably-sized venturi section

#8
20210148272
2021-05-20

Catalyst unit and exhaust structure of engine including same

#9
20200340386
2020-10-29

INTERNAL COMBUSTION ENGINE EXHAUST PIPE FLUIDIC PURGER SYSTEM

#10
20200284175
2020-09-10

Tempering system for gas turbine selective catalyst reduction system

#11
20200191084
2020-06-18

METHOD AND DEVICE FOR THE EXHAUST AFTERTREATMENT OF AN INTERNAL COMBUSTION ENGINE

#12
20200173322
2020-06-04

Exhaust pipe, combustion engine machine, and motor vehicle

#13
20200116092
2020-04-16

Control device of internal combustion engine, internal combustion engine, and vehicle

#14
20200040789
2020-02-06

Exhaust gas purifier

#15
20200003149
2020-01-02

Internal combustion engine having a cylinder head and a secondary air system

#16
20200003100
2020-01-02

Aerodynamic catalytic converter

#17
20180334938
2018-11-22

Extraction apparatus

#18
20180291791
2018-10-11

Secondary air introduction device

#19
20170292421
2017-10-12

Venturi exhaust gas cooler

#20
20170226915
2017-08-10

Catalyst thermal regeneration by exhaust gas

#21
20170191418
2017-07-06

Apparatus and system for treating gaseous streams

#22
20170058736
2017-03-02

Drive device for a motor vehicle and method of operating such a drive device

#23
20160281634
2016-09-29

Cylinder head and internal combustion engine

#24
20160131008
2016-05-12

Exhaust purifying device for internal combustion engine

#25
20160010523
2016-01-14

Attenuating engine noise using a reverse resonator

#26
20150267580
2015-09-24

Engine equipped with secondary air supply device

#27
20150267579
2015-09-24

Engine equipped with secondary air supply device

#28
20150252713
2015-09-10

Saddle type vehicle

#29
20150252700
2015-09-10

Assembly and method for reducing ammonia in exhaust of internal combustion engines

#30
20150184567
2015-07-02

Engine system

#31
20140345260
2014-11-27

Exhaust manifold air injection device

#32
20140230772
2014-08-21

Dual path SAIR for dual plane integrated exhaust manifolds

#33
20140230417
2014-08-21

EXHAUST GAS COMBUSTION SYSTEM

#34
20140123919
2014-05-08

Cooling device of V-type engine

#35
20130255237
2013-10-03

Exhaust system for variable cylinder engine

#36
20130232955
2013-09-12

Engine exhaust systems with secondary air injection systems

#37
20130199497
2013-08-08

Air injection timed with exhaust release

#38
20130019593
2013-01-24

Secondary air injection system and method

#39
20120297756
2012-11-29

Exhaust manifold for an internal combustion engine

#40
20120198842
2012-08-09

Internal combustion engine having an exhaust gas system

#41
20120096852
2012-04-26

ENGINE WITH A CHARGING SYSTEM

#42
20120042630
2012-02-23

Engine exhaust systems with secondary air injection systems

#43
20110315130
2011-12-29

Arrangement for cooling of recirculating exhaust gases of a combustion engine

#44
20110277453
2011-11-17

METHOD FOR CONTROLLING FRESH AIR INJECTION INTO THE EXHAUST OF AN INTERNAL-COMBUSTION ENGINE, NOTABLY OF A MOTOR VEHICLE

#45
20110047997
2011-03-03

Exhaust Venturi apparatus, system, and method

#46
20100313857
2010-12-16

ENGINE WITH A CHARGING SYSTEM

#47
20100242461
2010-09-30

Variable geometry exhaust cooler

#48
20100223915
2010-09-09

Internal combustion engine and vehicle incorporating same

#49
20100192557
2010-08-05

Multi-cylinder internal combustion engine, vehicle, marine vessel, and exhausting method for multi-cylinder internal combustion engine

#50
20100192556
2010-08-05

Internal combustion engine, vehicle, marine vessel, and secondary air supply method for internal combustion engine

#51
20100192553
2010-08-05

Internal combustion engine, vehicle, marine vessel, and exhaust gas cleaning method for internal combustion engine

#52
20100186396
2010-07-29

Secondary air system

#53
20100132340
2010-06-03

Exhaust gas purifying apparatus for internal combustion engine

#54
20100126149
2010-05-27

Secondary air supply system and secondary air supplying method of internal combustion engine

#55
20100077732
2010-04-01

BURNER FOR REGENERATION OF DIESEL ENGINE PARTICULATE FILTER AND DIESEL ENGINE PARTICULATE FILTER HAVING THE SAME

#56
20090282819
2009-11-19

Exhaust emission control system for internal combustion engine

#57
20090171551
2009-07-02

Secondary air supply system and vehicle

#58
20090165765
2009-07-02

Secondary air supply system and vehicle

#59
20090151691
2009-06-18

Tappet clearance adjusting cover coupled with secondary air valve

#60
20090139218
2009-06-04

Forced Air Exhaust Cooling System

#61
20090077952
2009-03-26

Secondary-air supply system for internal combustion engine

#62
20090013680
2009-01-15

Vehicle component and engine component for supplying secondary air

#63
20080308082
2008-12-18

Secondary air supply system of internal combustion engine

#64
20080271700
2008-11-06

CYLINDER HEAD AND PRODUCTION METHOD FOR A CYLINDER HEAD

#65
20080264395
2008-10-30

Engine and vehicle

#66
20080245604
2008-10-09

Passive secondary air muffler

#67
20080196408
2008-08-21

Variable geometry exhaust cooler

#68
20080155966
2008-07-03

Exhaust Gas Purifier of Engine used in Locomotive

#69
20080135317
2008-06-12

Straddle type vehicle

#70
20070266967
2007-11-22

Internal combustion engine

#71
20070256409
2007-11-08

Exhaust device and vehicle with exhaust device

#72
20070240404
2007-10-18

Engine exhaust systems with secondary air injection systems

#73
20070095055
2007-05-03

Secondary air supply system for internal combustion engine

#74
20070068146
2007-03-29

Exhaust treatment system having hydraulically-actuated air valve

#75
20070068145
2007-03-29

Secondary air injection system for an internal combustion engine

#76
20060065255
2006-03-30

Secondary air supply system for an exhaust port of an engine

#77
20060037311
2006-02-23

Secondary air supply for engine exhaust system

#78
20060021336
2006-02-02

Secondary air supplying structure of internal combustion engine

#79
20050204730
2005-09-22

Engine with a charging system

#80
20050193725
2005-09-08

Four stroke engine with secondary air introducing system

#81
20050173918
2005-08-11

Fuel injection system for a saddle ride type four-wheel vehicle

#82
20050103003
2005-05-19

Exhaust gas muffler