ClassID:

141962

F02P2017/121 - CPC Classification

Classification description:

Testing of ignition installations, e.g. in combination with adjusting ; Testing of ignition timing in compression-ignition engines; Testing characteristics of the spark, ignition voltage or current by measuring spark voltage

Recent Application in this class:
#1
20260086587
2026-03-26

HOT SURFACE IGNITER TEMPERATURE CONTROL SYSTEM AND METHOD

#2
20250314228
2025-10-09

COMBUSTION STATE DETECTION DEVICE FOR INTERNAL COMBUSTION ENGINE

#3
20240318619
2024-09-26

Predictive model-based spark control

#4
20240191681
2024-06-13

ENGINE IGNITION SYSTEMS AND CONTROL METHODS THEREFOR

#5
20240102438
2024-03-28

Igniter and engine ignition device

#6
20240018931
2024-01-18

Predictive model-based spark control

#7
20220228548
2022-07-21

Method and system for detecting a component exchange in an ignition system of a spark-ignited engine

#8
20220010762
2022-01-13

Control device

#9
20210399533
2021-12-23

IGNITION APPARATUS

#10
20210396201
2021-12-23

Control device for internal combustion engine

#11
20210332783
2021-10-28

Method for operating an internal combustion engine, and controller for carrying out the method

#12
20210293216
2021-09-23

Method and device for detecting the breakdown voltage between the electrodes of a spark plug connected to an ignition coil for a cylinder ignition system in an internal combustion engine

#13
20210222665
2021-07-22

Ignition device for internal combustion engine

#14
20210222664
2021-07-22

Control device for internal combustion engine

#15
20200318599
2020-10-08

Discharge state detecting apparatus of internal combustion engine

#16
20200318598
2020-10-08

Ignition device for internal combustion engine and control device for internal combustion engine

#17
20200284234
2020-09-10

System and method for monitoring an ignition system

#18
20200072179
2020-03-05

System and method for monitoring an ignition system

#19
20190390643
2019-12-26

Ignition coil unit and ignition system, capable of suppressing deformation of the seal section, used in internal combustion engine

#20
20190376486
2019-12-12

Spark plug electrode wear rate determination for a spark-ignited engine

#21
20190353135
2019-11-21

Device and method for detecting a cylinder deactivation mode using inferred compression

#22
20190301423
2019-10-03

Current profile optimization

#23
20190271290
2019-09-05

Ignition control device

#24
20190211794
2019-07-11

Control device for a multiplicity of actuators of an internal combustion engine

#25
20190120199
2019-04-25

Ignition system of an aircraft turbine engine

#26
20190040835
2019-02-07

Ignition control apparatus

#27
20190040834
2019-02-07

Ignition device for internal combustion engine

#28
20180358782
2018-12-13

Ignition device

#29
20180351333
2018-12-06

METHOD OF TESTING A SPARK PLUG, AND A TESTING STATION THEREFOR

#30
20180340506
2018-11-29

Ignition apparatus

#31
20180291861
2018-10-11

Controller and control method for internal combustion engine

#32
20180266381
2018-09-20

Ignition apparatus having circuit to continue spark discharge in an internal combustion engine

#33
20180258902
2018-09-13

Ignition coil and method for operating

#34
20180238293
2018-08-23

Ignition device for internal combustion engine

#35
20180202411
2018-07-19

Electronic ignition system for an internal combustion engine and driving method of the same

#36
20180187620
2018-07-05

Method for determining spark plug electrode spacing and state of wear

#37
20180171962
2018-06-21

Ignition system having combustion initiation detection

#38
20180100479
2018-04-12

Spark plug condition monitoring

#39
20180073481
2018-03-15

GAS ENGINE IGNITION SYSTEM FOR EXTENDING LIFE AND LEAN LIMIT

#40
20180066624
2018-03-08

Ignition apparatus

#41
20180058416
2018-03-01

Gas fuel engine spark plug failure detection

#42
20180038335
2018-02-08

Ignition control system

#43
20180023531
2018-01-25

Spark plug fouling detection for ignition system

#44
20170284358
2017-10-05

Ignition system and method for checking electrodes of a spark plug of an internal combustion engine

#45
20170191439
2017-07-06

System for monitoring a prechamber of an engine

#46
20170138329
2017-05-18

Method for operating an ignition system and a corresponding ignition system

#47
20160356259
2016-12-08

Ignition system and method for operating an ignition system for an internal combustion engine

#48
20160348633
2016-12-01

Ignition system and method for operating an ignition system

#49
20160305391
2016-10-20

Ignition control system for internal combustion engine

#50
20160245255
2016-08-25

Ignition device

#51
20160138552
2016-05-19

High-frequency discharge ignition device

#52
20160123294
2016-05-05

Igniter and vehicle

#53
20150361946
2015-12-17

System and method of ignition coil testing

#54
20150340846
2015-11-26

DETECTION SYSTEM FOR DETERMINING SPARK VOLTAGE

#55
20150330353
2015-11-19

Ignition system including a measurement device for providing measurement signals to a combustion engine's control system

#56
20150260147
2015-09-17

Method for controlling a corona ignition system of a cyclically operating internal combustion engine

#57
20150219062
2015-08-06

Ignition system for an internal combustion engine

#58
20150176558
2015-06-25

Spark plug fouling detection for ignition system

#59
20150149102
2015-05-28

Online monitoring circuit and method of the series compensation spark gap divider return circuit

#60
20150116890
2015-04-30

Internal combustion engine ignition device

#61
20150034059
2015-02-05

Ignition system

#62
20150008838
2015-01-08

Method for operating an ignition device for an internal combustion engine

#63
20140368964
2014-12-18

Ignition system

#64
20140224208
2014-08-14

Method for operating at least one precombustion chamber-fired internal combustion engine

#65
20140188369
2014-07-03

Control apparatus of an ignition spark plug and engine electronic ignition system having open secondary protection

#66
20140090459
2014-04-03

Engine stroke determination apparatus

#67
20140053820
2014-02-27

Ignition device for battery-less engine and method for starting and operating battery-less engine

#68
20130327294
2013-12-12

Control apparatus for a multi-fuel internal combustion engine

#69
20130206106
2013-08-15

System and method for monitoring an ignition system

#70
20130049601
2013-02-28

Method for operating a HF ignition system

#71
20120247441
2012-10-04

IGNITION SYSTEM FOR EXTENDING IGNITER LIFE

#72
20120227704
2012-09-13

Engine control device

#73
20120185154
2012-07-19

Method for Damage Diagnosis in a Handheld Work Apparatus

#74
20120173117
2012-07-05

COMBUSTION STATE DETERMINATION METHOD FOR SPARK-IGNITED INTERNAL COMBUSTION ENGINE

#75
20110163673
2011-07-07

Device for generating radiofrequency plasma

#76
20100288037
2010-11-18

Method for determining valve degradation

#77
20100251995
2010-10-07

Optimized generation of a radiofrequency ignition spark

#78
20100242583
2010-09-30

System and method for evaluating an integrated coil on plug ignition system

#79
20100206276
2010-08-19

Diagnosis of the fouling condition of sparkplugs in a radiofrequency ignition system

#80
20090066337
2009-03-12

Method for determining valve degradation

#81
20070245995
2007-10-25

Smoldering determination method of internal combustion engine

#82
20060090540
2006-05-04

Smoke sensing device for internal combustion engines

#83
20050093550
2005-05-05

Spark ignition system with diagnostic capabilities

#84
20050068037
2005-03-31

Efficient diagnosis of faulty distributorless and hybrid ignition systems

#85
17325665
2022-05-10

Spark plug testing tool

#86
15974889
2018-10-16

Method of manufacturing spark plug