Patents-Review.com
ClassID:

139699 ⎘

F02D41/1455 - 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 an oxygen content or concentration or the air-fuel ratio with sensor resistivity varying with oxygen concentration

Recent Application in this class:
#1
20230340900
2023-10-26

Device and method for determining an offset in a signal of a sensor for measuring residual oxygen

 #2
20200116095
2020-04-16

Method and control unit for regulating a fill level of a reservoir of a catalytic converter for an exhaust gas component in coasting mode

 #3
20200063682
2020-02-27

Heater in-circuit capacitive measurement

 #4
20200018250
2020-01-16

Valve duty differentiated exhaust gas recirculation control method and exhaust gas recirculation system

 #5
20190360419
2019-11-28

Method and system for controlling an oxygen sensor

 #6
20190293014
2019-09-26

Sensing combustion misfire events in engines by comparing signals derived from two different types of oxygen sensors

 #7
20190178178
2019-06-13

Method for controlling air-fuel ratio in idle purge-off mode

 #8
20190055874
2019-02-21

Resistive based combustion sensing method and apparatus

 #9
20180266353
2018-09-20

Engine control device and engine control method

 #10
20180003119
2018-01-04

Exhaust sensor

 #11
20170176289
2017-06-22

Wideband oxygen sensing

 #12
20170167420
2017-06-15

Methods and systems for estimating exhaust pressure with a variable voltage oxygen sensor

 #13
20170152807
2017-06-01

Engine control apparatus

 #14
20170037802
2017-02-09

Internal combustion engine

 #15
20170037757
2017-02-09

Exhaust gas purification apparatus for internal combustion engine

 #16
20160230686
2016-08-11

Gas sensor control device

 #17
20160003181
2016-01-07

Control device of internal combustion engine

 #18
20150369156
2015-12-24

Control system of internal combustion engine

 #19
20150322881
2015-11-12

Control device for internal combustion engine

 #20
20150260118
2015-09-17

Method for operating an internal combustion engine and corresponding internal combustion engine

 #21
20140288804
2014-09-25

Methods and systems for an oxygen sensor

 #22
20140278013
2014-09-18

Fault diagnostic systems and methods using oxygen sensor impedance

 #23
20140136082
2014-05-15

Oxygen sensing method and system

 #24
20140130779
2014-05-15

Wideband oxygen sensing method and apparatus

 #25
20140130588
2014-05-15

Oxygen sensing method and apparatus

 #26
20130263652
2013-10-10

Method for detecting the operational readiness of a jump lambda sensor

 #27
20130255232
2013-10-03

Oxygen sensor control apparatus

 #28
20130231846
2013-09-05

Post catalyst dynamic scheduling and control

 #29
20130192210
2013-08-01

Emission control system for internal combustion engine

 #30
20130180853
2013-07-18

Gas sensor processing apparatus

 #31
20130133399
2013-05-30

Sensor control apparatus and sensor control system

 #32
20130061581
2013-03-14

Air-fuel ratio control system for internal combustion engine

 #33
20130035842
2013-02-07

Fueling systems, methods and apparatus for an internal combustion engine

 #34
20120293183
2012-11-22

Method and control unit for monitoring cable faults on a broadband lambda probe

 #35
20120239271
2012-09-20

Sensor control apparatus and sensor control method

 #36
20120232773
2012-09-13

Inter-cylinder air-fuel ratio imbalance determination apparatus for an internal combustion engine

 #37
20120174578
2012-07-12

Supercharged internal combustion engine and method for operating an internal combustion engine of said type

 #38
20120126882
2012-05-24

Method for suppressing interference

 #39
20110077908
2011-03-31

Method for diagnosing the functional reliability of a lambda probe

 #40
20100206280
2010-08-19

Vehicle-mounted engine control apparatus

 #41
20100191444
2010-07-29

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

 #42
20100154525
2010-06-24

Closed loop control with bias voltage toggle

 #43
20100108046
2010-05-06

Air-fuel ratio control device and air-fuel ratio control method for internal combustion engine

 #44
20100058832
2010-03-11

Soot generation amount estimation apparatus for internal combustion engine

 #45
20090157282
2009-06-18

Air-Fuel Ratio Control Apparatus by Sliding Mode Control of Engine

 #46
20090095049
2009-04-16

Method for correcting the output signal of a lambda probe

 #47
20080271699
2008-11-06

Combustion Engine

 #48
20080262704
2008-10-23

Oxygen sensor output correction apparatus for internal combustion engine

 #49
20080046162
2008-02-21

Engine method

 #50
20070251213
2007-11-01

Scheme for detecting deterioration of a catalyst in an engine

 #51
20070204595
2007-09-06

Exhaust Gas Purification Apparatus of Internal Combustion Engine and Catalyst for Purifying Exhaust Gas of Internal Combustion Engine

 #52
20070101970
2007-05-10

Engine method

 #53
20060137669
2006-06-29

Apparatus, system, and method for minimizing NOin exhaust gasses

 #54
20060137326
2006-06-29

Control device for an internal combustion engine

 #55
20060112927
2006-06-01

Engine method

 #56
20060070607
2006-04-06

Exhaust gas sensor activation judgment and air fuel ratio control system/method

 #57
20060059895
2006-03-23

Method for operating an internal combustion engine

 #58
20050217347
2005-10-06

Gas concentration measuring apparatus with failure monitor

 #59
20050089456
2005-04-28

Exhaust gas purifcation apparatus of internal combustion engine and catalyst for purifying exhaust gas of internal combustion engine

 #60
17220385
2022-04-26

Oxygen sensor adaptive impedance control