Patents-Review.com
ClassID:

137859 ⎘

F01N3/222 - 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 methods of operation; Control; Control of additional air supply only, e.g. using by-passes or variable air pump drives using electric valves only

Recent Application in this class:
#1
20250269326
2025-08-28

EXHAUST PURIFICATION DEVICE

 #2
20250059902
2025-02-20

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

 #3
20240254905
2024-08-01

EXHAUST SYSTEM, CONTROLLER AND METHOD FOR AN INTERNAL COMBUSTION ENGINE

 #4
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

 #5
20230010189
2023-01-12

Valve for preventing backflow and valve module

 #6
20220341354
2022-10-27

Method for detecting a sensor anomality

 #7
20220112829
2022-04-14

Secondary air introduction device

 #8
20210355853
2021-11-18

Method of injecting secondary air into an exhaust gas stream of a marine engine

 #9
20210348539
2021-11-11

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

 #10
20210131331
2021-05-06

Heat shield for a marine engine exhaust system

 #11
20200347765
2020-11-05

Reductant dosing system for an SCR catalyst

 #12
20200256255
2020-08-13

Heat shield for a marine engine exhaust system

 #13
20200256236
2020-08-13

Marine engine exhaust system having secondary air injection

 #14
20190178137
2019-06-13

Method and apparatus for controlling a single-shaft dual expansion internal combustion engine

 #15
20180283255
2018-10-04

Catalyst protection system from oxygen deprived exhaust

 #16
20170328252
2017-11-16

DEVICE AND METHOD FOR ADJUSTING AND CONTROLLING ACTUAL SUPPLIED AMOUNT OF UREA ENTERING AN EXHAUST SYSTEM

 #17
20170314442
2017-11-02

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

 #18
20160258329
2016-09-08

Actuator for valves in internal combustion engines

 #19
20160252188
2016-09-01

Actuator for valves in internal combustion engines

 #20
20140311131
2014-10-23

Secondary air supply system for internal combustion engine

 #21
20130333360
2013-12-19

SECONDARY AIR INJECTION SYSTEM

 #22
20120318217
2012-12-20

Valve device for internal combustion engines

 #23
20100028167
2010-02-04

Internal combustion engine and method of controlling the same

 #24
20080209894
2008-09-04

Method For Regeneration Of An Exhaust Aftertreatment System

 #25
20080110159
2008-05-15

Valve device and secondary air supply system having the same

 #26
20080073605
2008-03-27

Fluid-controlled valve

 #27
20070017577
2007-01-25

Fluid control value assembly

 #28
20050252211
2005-11-17

Exhaust gas turbocharger for an internal combustion engine

 #29
20050204732
2005-09-22

Pressure detecting apparatus having solenoid valve and pressure sensor