ClassID:

141966

F02P2017/128 - 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; Measuring ionisation of combustion gas, e.g. by using ignition circuits for knock detection

Recent Application in this class:
#1
20220136477
2022-05-05

Electronic device to control an ignition coil of an internal combustion engine and electronic ignition system thereof for detecting a preignition in the internal combustion engine

#2
20200325835
2020-10-15

Knocking detection method, ignition timing control method, and ignition timing control system

#3
20200309083
2020-10-01

Apparatus and system for dual ignition sources for a vehicle

#4
20190331083
2019-10-31

Control device and control method for internal combustion engine

#5
20190301423
2019-10-03

Current profile optimization

#6
20190219471
2019-07-18

Method of controlling a positive-ignition internal combustion engine by means of a knock estimator

#7
20190128199
2019-05-02

Unequal interval combustion engine misfire determination device and vehicle

#8
20180298872
2018-10-18

Electronic ignition system for an internal combustion engine

#9
20180223791
2018-08-09

Ionization detector with ignition coil inductance shorting

#10
20180169582
2018-06-21

Ion Processing System

#11
20170328333
2017-11-16

Low speed pre-ignition knock detection

#12
20170299468
2017-10-19

Misfire determination device

#13
20170114739
2017-04-27

Method and system for engine control

#14
20160356257
2016-12-08

Control device for internal combustion engine

#15
20160084174
2016-03-24

System and method for controlling the performance of an engine

#16
20160047353
2016-02-18

Misfire detection using ion current integration and RPM adaptation

#17
20150040866
2015-02-12

Engine system for vessel propulsion device and vessel including the same

#18
20140379242
2014-12-25

Autonomous operation of electronically controlled internal combustion engines on a variety of fuels and/or other variabilities using ion current and/or other combustion sensors

#19
20140116382
2014-05-01

Method and apparatus for generating an ion current between electrodes of a spark plug

#20
20130327294
2013-12-12

Control apparatus for a multi-fuel internal combustion engine

#21
20130076362
2013-03-28

Ion sensing method for capacitive discharge ignition

#22
20110210744
2011-09-01

Automatic variable gain amplifier

#23
20110088646
2011-04-21

Combustion state detection device for internal combustion engine

#24
20110017172
2011-01-27

Controller for internal combustion engine

#25
20110016952
2011-01-27

Apparatus and method for the detection of knocking combustion

#26
20090241898
2009-10-01

Method of controlling the spark lead of an internal combustion engine

#27
20090139308
2009-06-04

Cylinder head gasket and combustion state detector using the same

#28
20090107457
2009-04-30

Internal combustion engine with multiple spark plugs per cylinder and ion current sensing

#29
20090078234
2009-03-26

Method and system for closed loop combustion control of a lean-burn reciprocating engine using ionization detection

#30
20090063025
2009-03-05

METHOD AND DEVICES EQUIPPED WITH A HIGH-PASS FILTER FOR APPRAISAL OF THE KNOCKING IN EVERY CYLINDER OF AN INTERNAL COMBUSTION ENGINE

#31
20080281504
2008-11-13

Knock control apparatus for internal combustion engine

#32
20080257018
2008-10-23

Knock detection apparatus for internal combustion engine

#33
20080078359
2008-04-03

Method and system for closed loop combustion control of a lean-burn reciprocating engine using ionization detection

#34
20070247164
2007-10-25

Ion sensing arrangement for small gasoline engine

#35
20070215111
2007-09-20

System and method for reducing knock and preignition in an internal combustion engine

#36
20070215107
2007-09-20

Pre-ignition detection and mitigation

#37
20070186903
2007-08-16

System and method of selecting data content of ionization signal

#38
20070186902
2007-08-16

System and method for pre-processing ionization signal to include enhanced knock information

#39
20060288765
2006-12-28

Cylinder head gasket and combustion state detector using the same

#40
20050126537
2005-06-16

System and method of controlling engine dilution rate using combustion stability measurer derived from the ionization signal

#41
20050029748
2005-02-10

Cylinder head gasket and combustion state detector using the same

#42
18318021
2024-01-23

System and method for controlling ignition coil