ClassID:

139711

F02D2041/1472 - CPC Classification

Classification description:

Electrical control of supply of combustible mixture or its constituents; Circuit arrangements for generating control signals; Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases the characteristics being a humidity or water content of the exhaust gases

Recent Application in this class:
#1
20260104016
2026-04-16

ENGINE CONTROL SYSTEM AND METHODS

#2
20260104003
2026-04-16

METHOD FOR REDUCING EMISSIONS FROM A HYDROGEN COMBUSTION ENGINE

#3
20240200502
2024-06-20

CONTROLLER FOR HYDROGEN ENGINE

#4
20230272755
2023-08-31

CONTROLLER AND CONTROL METHOD FOR INTERNAL COMBUSTION ENGINE

#5
20220326119
2022-10-13

Method for operating an exhaust gas sensor

#6
20210231068
2021-07-29

Control device for internal combustion engine and control method for internal combustion engine

#7
20200191074
2020-06-18

Control system for internal combustion engine

#8
20200088406
2020-03-19

Method for estimating water content, and estimation device

#9
20200072108
2020-03-05

Vehicle and control method for vehicle

#10
20190277226
2019-09-12

Valve device

#11
20190264625
2019-08-29

Method and system for exhaust gas recirculation and heat recovery

#12
20190257231
2019-08-22

Methods and systems for removing moisture from engine exhaust system

#13
20180355813
2018-12-13

Internal Combustion Engine Control Device

#14
20180238275
2018-08-23

EGR system for internal-combustion engine

#15
20180238256
2018-08-23

Engine knocking detection apparatus

#16
20180238255
2018-08-23

Methods and system for injecting water at different groups of cylinders of an engine

#17
20180128149
2018-05-10

Methods and systems for operating an exhaust oxygen sensor based on water contact at the sensor

#18
20180119624
2018-05-03

Method and system for exhaust gas recirculation and heat recovery

#19
20180100458
2018-04-12

Method and system for secondary fluid injection control in an engine

#20
20180038319
2018-02-08

Methods and system for selecting a location for water injection in an engine

#21
20180038300
2018-02-08

Methods and system for injecting water at different groups of cylinders of an engine

#22
20180038255
2018-02-08

System and method for determining engine out NOx based on in-cylinder contents

#23
20170356378
2017-12-14

Control device of exhaust sensor

#24
20170292431
2017-10-12

Method and system for exhaust gas heat recovery

#25
20170284323
2017-10-05

Controller and control method for internal combustion engine

#26
20170089279
2017-03-30

Supercharged internal combustion engine

#27
20170074185
2017-03-16

Cylinder deactivation for catalyst drying

#28
20170074178
2017-03-16

Engine control system

#29
20170074138
2017-03-16

Engine controller and methods for controlling emission and power generation system using the same

#30
20170022940
2017-01-26

EGR system for internal-combustion engine

#31
20160245198
2016-08-25

Methods and systems for humidity determination via an oxygen sensor

#32
20160146163
2016-05-26

Condensed water treatment device for internal combustion engine

#33
20160131048
2016-05-12

Method and system for secondary fluid injection control in an engine

#34
20160123258
2016-05-05

Upstream NOestimation

#35
20160123255
2016-05-05

Controller

#36
20160109422
2016-04-21

Methods and systems for operating a variable voltage oxygen sensor

#37
20160061151
2016-03-03

Continuous adaptation of an intake oxygen sensor for pressure, humidity and aging

#38
20160003179
2016-01-07

Condensation control system for engine

#39
20150337749
2015-11-26

Methods and systems for humidity and PCV flow detection via an exhaust gas sensor

#40
20150260672
2015-09-17

Sensor system for determining the moisture content of a fluid medium flowing in a main flow direction

#41
20150204258
2015-07-23

One dimensional three way catalyst model for control and diagnostics

#42
20150136094
2015-05-21

EGR gas cooling device for hybrid vehicle and EGR gas cooling method for hybrid vehicle

#43
20150027421
2015-01-29

Flow rate controller of internal combustion engine

#44
20150027103
2015-01-29

Methods and systems for humidity detection via an exhaust gas sensor

#45
20140352663
2014-12-04

Method for purging condensate from a charge air cooler

#46
20140316676
2014-10-23

Humidity sensor and engine system

#47
20140238348
2014-08-28

Humidity sensor diagnostics

#48
20140202437
2014-07-24

Methods and systems for humidity and PCV flow detection via an exhaust gas sensor

#49
20140202426
2014-07-24

Methods and systems for humidity detection via an exhaust gas sensor

#50
20140156172
2014-06-05

Exhaust humidity sensor

#51
20140102428
2014-04-17

Condensate accumulation model for an engine heat exchanger

#52
20140083084
2014-03-27

Engine system

#53
20130332050
2013-12-12

Humidity determination and compensation systems and methods using an intake oxygen sensor

#54
20130275030
2013-10-17

Method for estimating intake air humidity

#55
20130191008
2013-07-25

Method for injecting fuel

#56
20130024088
2013-01-24

Control device controlling sensor heating in internal combustion engine

#57
20120279200
2012-11-08

Exhaust gas condensate control method and exhaust gas recirculation system thereof

#58
20080000286
2008-01-03

Exhaust gas sensor

#59
20070204840
2007-09-06

Vehicle control method and vehicle control apparatus

#60
17643304
2023-03-07

Methods and systems for multi-fuel engine

#61
15298016
2018-03-20

Methods and system for exhaust gas recirculation estimation via an exhaust oxygen sensor

#62
15264724
2018-01-30

Engine condensation control system and method