ClassID:

138591

F02B19/108 - CPC Classification

Classification description:

Engines characterised by precombustion chambers with fuel introduced partly into pre-combustion chamber, and partly into cylinder with only one pre-combustion chamber with fuel injection at least into pre-combustion chamber, i.e. injector mounted directly in the pre-combustion chamber

Sub-classes:
Recent Application in this class:
#1
20260036105
2026-02-05

HYDROGEN AND OXYGEN INJECTION IN AN ACTIVE PRE-CHAMBER IGNITION ENGINE

#2
20260015965
2026-01-15

GAS ENGINE

#3
20250369388
2025-12-04

PRECHAMBER-TYPE ENGINE

#4
20250146435
2025-05-08

PRECOMBUSTION CHAMBER IGNITER AND COLD START CONTROL METHOD FOR METHANOL ENGINE

#5
20250035031
2025-01-30

INTERNAL COMBUSTION ENGINE COMPRISING PRECOMBUSTION CHAMBER

#6
20240141823
2024-05-02

SPRAY GUIDED STRATIFICATION FOR FUELING A PASSIVE PRE-CHAMBER

#7
20240093635
2024-03-21

Internal combustion engine and ignition system with a pre-chamber

#8
20240052772
2024-02-15

Pre-Chamber Ignition System and Procedure for an Internal Combustion Engine

#9
20230243291
2023-08-03

PRECHAMBER JET DISTURBANCE INTENSIFIED COMBUSTION SYSTEM

#10
20230220809
2023-07-13

Multiple combustion mode engine with ammonia fuel and control method thereof

#11
20230175427
2023-06-08

Engine

#12
20230175426
2023-06-08

Engine

#13
20230034824
2023-02-02

Methods and systems for engine cold-start

#14
20220178299
2022-06-09

Pre-combustion chamber system

#15
20220112835
2022-04-14

METHOD FOR OPERATING A HYDROGEN FUELLED COMBUSTION ENGINE

#16
20220112834
2022-04-14

DEVICE FOR FUEL INJECTION FOR INTERNAL COMBUSTION ENGINES

#17
20220056856
2022-02-24

Zero emission propulsion systems and generator sets using ammonia as fuel

#18
20220056835
2022-02-24

Method and system for extending dilution limit of a prechamber spark ignition engine

#19
20220034282
2022-02-03

Pre-chamber arrangement for a gas engine and a gas engine

#20
20220003146
2022-01-06

Systems for a pre-chamber

#21
20210246822
2021-08-12

Internal combustion engine with pre-chamber

#22
20210189946
2021-06-24

Engine turbulent jet ignition system

#23
20210164407
2021-06-03

Zero emission propulsion systems and generator sets using ammonia as fuel

#24
20210115840
2021-04-22

Supply of a flushing fluid to an active prechamber of a turbocharged gasoline engine in combination with turbo cooling

#25
20210040880
2021-02-11

Engine system for emission reduction without aftertreatment

#26
20210040879
2021-02-11

Efficient engine combustion system with multiple combustion modes

#27
20200362750
2020-11-19

Ignition insert with an active pre-chamber

#28
20200182217
2020-06-11

COMBUSTION IGNITION DEVICES FOR AN INTERNAL COMBUSTION ENGINE

#29
20200165961
2020-05-28

Pre-chamber type internal combustion engine

#30
20200123963
2020-04-23

Pre-chamber assembly

#31
20200116074
2020-04-16

Pre-chamber ignition system having igniter with gas orifice structured for pre-expanding outgoing combustion gases

#32
20200018223
2020-01-16

Engine system for emission reduction without aftertreatment

#33
20200011234
2020-01-09

Method of combusting fuel in a rotary internal combustion engine with pilot subchamber and ignition element

#34
20190368410
2019-12-05

Precombustion chamber gas engine

#35
20190353090
2019-11-21

Pre-chamber assembly for fuel injector

#36
20190353089
2019-11-21

INTERNAL COMBUSTION ENGINE

#37
20190353088
2019-11-21

VARIABLE VOLUME PRE-CHAMBER FOR A COMBUSTION ENGINE

#38
20190323416
2019-10-24

Precombustion chamber gas engine

#39
20190234294
2019-08-01

Venturi-based purge vapor supply system for turbulent jet ignition engines

#40
20190203651
2019-07-04

Control system of internal combustion engine

#41
20190078498
2019-03-14

Gasoline internal combustion engine, with a combustion pre-chamber and two spark plugs

#42
20190048784
2019-02-14

INTERNAL COMBUSION ENGINE

#43
20190003371
2019-01-03

Controlled air entrainment passage for diesel engines

#44
20180372055
2018-12-27

Gas engine system

#45
20180363539
2018-12-20

Pre-chamber ignition system

#46
20180347450
2018-12-06

Method of operating an engine having a pilot subchamber at partial load conditions

#47
20180334950
2018-11-22

GAS ENGINE

#48
20180274513
2018-09-27

Internal combustion engine with igniter cooling sleeve

#49
20180258835
2018-09-13

Charge-fed pre-chamber assembly

#50
20180209332
2018-07-26

Rotary internal combustion engine with pilot subchamber and ignition element

#51
20180209331
2018-07-26

Internal combustion engine with common rail injection

#52
20180187593
2018-07-05

Rotary internal combustion engine with pilot subchamber

#53
20180187590
2018-07-05

Internal combustion engine with shrouded injection valve and precombustion chamber system

#54
20180149125
2018-05-31

Nozzle combustion shield

#55
20180135505
2018-05-17

Internal combustion engine

#56
20180087447
2018-03-29

Pre-chamber assembly for fuel injector

#57
20180087446
2018-03-29

Method of operating an engine having a pilot subchamber at partial load conditions

#58
20180080371
2018-03-22

Rotary internal combustion engine with pilot subchamber

#59
20180038270
2018-02-08

TWO-STAGE PRECOMBUSTION CHAMBER FOR LARGE BORE GAS ENGINES

#60
20180030886
2018-02-01

Internal combustion engine with common rail pilot and main injection

#61
20180003136
2018-01-04

Fuel supply system for an engine with an electric ignition power source

#62
20170350308
2017-12-07

Controlled air entrainment passage for diesel engines

#63
20170328266
2017-11-16

Internal Combustion Engine, Pre-Chamber Insert, And Fuel Injector

#64
20170306917
2017-10-26

Combustion pre-chamber and method for operating same

#65
20170241325
2017-08-24

DUAL FUEL ENGINE

#66
20170167359
2017-06-15

Pre-chamber of an internal combustion engine

#67
20170167358
2017-06-15

Pre-chamber of internal combustion engine

#68
20170074224
2017-03-16

Fuel admission valve for pre-chamber

#69
20170067395
2017-03-09

Rotary internal combustion engine with pilot subchamber

#70
20170009730
2017-01-12

Energy enhanced ignition system having lean pre-combustion

#71
20160363041
2016-12-15

Combustion Pre-Chamber Assembly Including Fluidic Oscillator

#72
20160333770
2016-11-17

Reciprocating piston internal combustion engine having an ancillary chamber containing a piston, and method for operating the same

#73
20160326946
2016-11-10

Fuel combustion system, nozzle for prechamber assembly with curved orifices, and method of making same

#74
20160312685
2016-10-27

Gas engine and assembling method for gas engine

#75
20160298530
2016-10-13

Internal combustion engine with pilot and main injection

#76
20160252045
2016-09-01

Cylinder head

#77
20160252006
2016-09-01

Cylinder head

#78
20160252005
2016-09-01

Pre-chamber gas valve

#79
20160245165
2016-08-25

Rotary internal combustion engine with pilot subchamber and ignition element

#80
20160245151
2016-08-25

Pre-combustion-chamber type gas engine

#81
20160215683
2016-07-28

Internal combustion engine

#82
20160195003
2016-07-07

Fuel gas feed and ignition apparatus for a gas engine

#83
20160160741
2016-06-09

DUAL FUEL ENGINE WITH MICRO-PILOT FUEL INJECTOR

#84
20160053671
2016-02-25

Prechamber ignition system

#85
20160047299
2016-02-18

Internal combustion engine with common rail pilot and main injection

#86
20160024995
2016-01-28

Ignition device with pre-combustion chamber

#87
20160003117
2016-01-07

Efficiency and emissions improvements for natural gas conversions of EMD 2-cycle medium speed engines

#88
20150354481
2015-12-10

System and method for engine control using pre-chamber ignition

#89
20150233280
2015-08-20

Mixture-charged gas engine and method for compensating for volumetric efficiency deviations in a mixture-charged gas engine

#90
20150204232
2015-07-23

Electronic pre-chamber injector

#91
20150128898
2015-05-14

Auxiliary chamber type internal combustion engine

#92
20150083074
2015-03-26

Self cooled engine

#93
20150068489
2015-03-12

Turbulent jet ignition pre-chamber combustion system for spark ignition engines

#94
20150040845
2015-02-12

Multi-chamber igniter

#95
20150028239
2015-01-29

Auxiliary chamber gas supplying device for gas engine

#96
20150020764
2015-01-22

Ignition system for low grade synthesis gas at high compression

#97
20150014565
2015-01-15

Check valve driving device for injecting gas

#98
20150001430
2015-01-01

Check valve for injecting gas

#99
20140360456
2014-12-11

Rotary internal combustion engine with pilot subchamber and ignition element

#100
20140331960
2014-11-13

FLAME JET IGNITION ENGINE

#101
20140261298
2014-09-18

Pre-chamber for internal combustion engine

#102
20140261294
2014-09-18

Internal combustion engine with common rail pilot and main injection

#103
20140261293
2014-09-18

Internal combustion engine with pilot and main injection

#104
20140245988
2014-09-04

Rotary internal combustion engine with pilot subchamber

#105
20140209057
2014-07-31

Method for modifying combustion chamber in a reciprocating piston internal combustion engine and resulting engine

#106
20140060480
2014-03-06

Internal combustion engine with shrouded injection valve and precombustion chamber system

#107
20140060479
2014-03-06

Two-stage precombustion chamber for large bore gas engines

#108
20140060478
2014-03-06

Internal combustion engine with shrouded injection valve and precombustion chamber system

#109
20130160734
2013-06-27

Prechamber system

#110
20130000598
2013-01-03

DIVIDED-CHAMBER GAS ENGINE

#111
20120103302
2012-05-03

Turbulent jet ignition pre-chamber combustion system for spark ignition engines

#112
20110308495
2011-12-22

Control method of precombustion chamber type engine

#113
20110259298
2011-10-27

Knocking control system for gas engine

#114
20110224889
2011-09-15

Knocking control system for gas engine

#115
20110214649
2011-09-08

Control System for Gas Engine

#116
20110214639
2011-09-08

Gas engine

#117
20100326400
2010-12-30

High Efficiency Pre-Chamber Internal Combustion Engines and Methods Thereof

#118
20100319655
2010-12-23

Internal combustion engine with shrouded injection valve and pre-combustion chamber system

#119
20080196690
2008-08-21

Internal combustion engine with auxiliary combustion chamber

#120
20080017165
2008-01-24

High compression spark-ignition engine with throttle control, externally supplied ignition, and direct fuel injection into a precombustion chamber

#121
20070144459
2007-06-28

Compression ignition initiation device and internal combustion engine using same

#122
20060278195
2006-12-14

Internal combustion engine with auxiliary combustion chamber

#123
20050224038
2005-10-13

Reciprocating engine

#124
18147565
2023-10-03

Purge device for passive or active prechambers

#125
17459721
2022-12-06

Method and system for fuel combustion

#126
17305023
2022-06-07

Methods and systems for reducing catalyst cooling during fuel cut via pre-chamber ignition system

#127
17146045
2022-02-15

Methods and systems for pre-chamber operation during catalyst heating

#128
17109760
2021-10-26

Prechamber device for internal combustion engine