ClassID:

139504

F02D19/12 - CPC Classification

Classification description:

Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with non-fuel substances or with anti-knock agents, e.g. with anti-knock fuel

Recent Application in this class:
#1
20250334082
2025-10-30

Fluid Supply Device and Fluid Supply Unit for Increasing Combustion Efficiency

#2
20250305462
2025-10-02

GASEOUS AND DUAL FUEL INTAKE SYSTEM FOR DIESEL AND GASOLINE ENGINES

#3
20250257698
2025-08-14

SYSTEM AND METHOD FOR INJECTING CONDENSATE IN CYLINDER OF A RECIPROCATING ENGINE

#4
20250215838
2025-07-03

ENGINE LUBRICANT OPTIMIZATION FOR ADVANCED SUSTAINABLE FUELS

#5
20250179967
2025-06-05

MULTIFUEL CLOSED-LOOP THERMAL CYCLE PISTON ENGINE, SYSTEM AND METHOD

#6
20250116222
2025-04-10

HYDROGEN-FUELED FOUR-STROKE INTERNAL COMBUSTION ENGINE

#7
20250059907
2025-02-20

METHOD OF OPERATING A WATER INJECTION SYSTEM

#8
20240083407
2024-03-14

Oil dilution inhibiting apparatus

#9
20230383704
2023-11-30

Method of controlling water injection in an internal combustion engine

#10
20220389879
2022-12-08

Optimized fuel management system for direct injection ethanol enhancement of gasoline engines

#11
20220316386
2022-10-06

Split cycle engine

#12
20220243673
2022-08-04

Compressed gas tank arrangement for a combustion machine

#13
20220213843
2022-07-07

Method for determining an air mass and direct water injection system

#14
20220154654
2022-05-19

Method for controlling injection in a combustion engine

#15
20220136449
2022-05-05

Upspeeded operation of alcohol-enabled gasoline engines

#16
20220074358
2022-03-10

Internal combustion engine having carbon dioxide capture and fuel additive synthesis system

#17
20220034272
2022-02-03

Optimized fuel management system for direct injection ethanol enhancement of gasoline engines

#18
20210324787
2021-10-21

Split cycle engine

#19
20210254568
2021-08-19

Optimized fuel management system for direct injection ethanol enhancement of gasoline engines

#20
20210254564
2021-08-19

System and method for operating an engine with reduced NOx emissions

#21
20210254541
2021-08-19

INTERNALLY COOLED INTERNAL COMBUSTION ENGINE AND METHOD THEREOF

#22
20210131367
2021-05-06

Optimized fuel management system for direct injection ethanol enhancement of gasoline engines

#23
20210003084
2021-01-07

Optimized fuel management system for direct injection ethanol enhancement of gasoline engines

#24
20200362775
2020-11-19

Upspeeded operation of alcohol-enabled gasoline engines

#25
20200224597
2020-07-16

Optimized fuel management system for direct injection ethanol enhancement of gasoline engines

#26
20200191068
2020-06-18

Internal combustion engines which utilize multiple fuels and methods for the operation of such

#27
20200191050
2020-06-18

Chemical delivery rates to remove carbon deposits from the internal combustion engine

#28
20200056566
2020-02-20

Method and Device for Increasing the Global Compression Ratio of an Internal Combustion Engine in the Case of Varying Fuel Quality

#29
20200056557
2020-02-20

Optimized fuel management system for direct injection ethanol enhancement of gasoline engines

#30
20190383237
2019-12-19

Fuel distributor for internal combustion engines

#31
20190368415
2019-12-05

Split cycle engine

#32
20190353096
2019-11-21

Chemical delivery rates to remove carbon deposits from the internal combustion engine

#33
20190323455
2019-10-24

Continuously operating water recovery apparatus for a motor vehicle

#34
20190309695
2019-10-10

Internal combustion engines which utilize multiple fuels and methods for the operation of such

#35
20190277241
2019-09-12

Control device for internal combustion engine

#36
20190257271
2019-08-22

Method and system for determining knock control fluid composition

#37
20190257254
2019-08-22

System And Method For Operating An Engine With Reduced NOx Emissions

#38
20190211720
2019-07-11

Device for supplying lubricant

#39
20190178154
2019-06-13

Engine system and method for controlling the same

#40
20190153968
2019-05-23

Optimized fuel management system for direct injection ethanol enhancement of gasoline engines

#41
20190136786
2019-05-09

On-board separation process

#42
20190128194
2019-05-02

NITROUS SAFETY CONTROL SYSTEM AND METHOD OF USE

#43
20190093572
2019-03-28

Control system of dual-fuel engine

#44
20190078520
2019-03-14

Combustion-stabilizing device and combustion-stabilizing method for internal combustion engine

#45
20190063374
2019-02-28

Internal combustion engine

#46
20180274489
2018-09-27

Fuel metering for the operation of an internal combustion engine

#47
20180266339
2018-09-20

Methods and systems for a fuel injector

#48
20180251194
2018-09-06

Fuel composition, ship, and automatic fuel composition-switching system

#49
20180202375
2018-07-19

Optimized fuel management system for direct injection ethanol enhancement of gasoline engines

#50
20180179967
2018-06-28

COMBUSTION SYSTEM AND METHOD

#51
20180171891
2018-06-21

Method and system for pulsed engine water injection

#52
20180128194
2018-05-10

Methods and system for adjusting engine operation based on evaporated and condensed portions of water injected at an engine

#53
20180126331
2018-05-10

Partial gas separation technique for oxygen and nitrogen enrichment of atmospheric air

#54
20180112631
2018-04-26

Method for knock control of an internal combustion engine

#55
20180100458
2018-04-12

Method and system for secondary fluid injection control in an engine

#56
20180100457
2018-04-12

Engine provided with CDA apparatus and water pump and method for controlling the same

#57
20180094593
2018-04-05

Method and system for controlling water injection

#58
20180086996
2018-03-29

Hydro-fuel, method of manufacture and method of operating a diesel engine

#59
20180038294
2018-02-08

Methods and system for adjusting engine operation based on evaporated and condensed portions of water injected at an engine

#60
20170276085
2017-09-28

Method, device and mobile user apparatus for adapting a fuel supply of at least one motor vehicle

#61
20170198629
2017-07-13

Internally cooled internal combustion engine and method thereof

#62
20170159615
2017-06-08

Feedback controlled system for ignition promoter droplet generation

#63
20170159583
2017-06-08

Feedback controlled system for charged ignition promoter droplet distribution

#64
20170114754
2017-04-27

Method and apparatus for diagnosing a water injection into a combustion chamber of an internal combustion engine

#65
20170107949
2017-04-20

Method and system for determining knock control fluid composition

#66
20170107918
2017-04-20

Method and system for determining knock control fluid composition

#67
20170082019
2017-03-23

Airborne engine additive delivery system

#68
20170030275
2017-02-02

Method and apparatus for controlling internal-combustion engine

#69
20170022924
2017-01-26

Control apparatus of premixed charge compression ignition engine

#70
20170022923
2017-01-26

CONTROL APPARATUS OF PREMIXED CHARGE COMPRESSION IGNITION ENGINE

#71
20160258388
2016-09-08

Water supply control apparatus for in-cylinder injection type internal combustion engine

#72
20160237922
2016-08-18

Method and system for knock control

#73
20160230705
2016-08-11

Internal combustion engine with aqueous fluid injection

#74
20160230653
2016-08-11

Internal combustion engines

#75
20160222878
2016-08-04

Internal combustion engine using a water-based mixture as fuel and method for operating the same

#76
20160215707
2016-07-28

CONTROL DEVICE FOR COMPRESSION-IGNITION TYPE ENGINES

#77
20160131048
2016-05-12

Method and system for secondary fluid injection control in an engine

#78
20150369117
2015-12-24

Optimized fuel management system for direct injection ethanol enhancement of gasoline engines

#79
20150152797
2015-06-04

Control device for a flow of intake gas and/or recirculated exhaust gases in a cylinder of an internal combustion engine and corresponding intake module

#80
20150046069
2015-02-12

Minimizing alcohol use in high efficiency alcohol boosted gasoline engines

#81
20140366615
2014-12-18

Method for diagnosing the malfunctioning of a device for adding an additive into a fuel for a vehicle, and system for implementing said method

#82
20140360461
2014-12-11

Dedicated EGR cylinder post combustion injection

#83
20140331970
2014-11-13

Direct injection of diluents or secondary fuels in gaseous fuel engines

#84
20140331642
2014-11-13

Direct injection of diluents or secondary fuels in gaseous fuel engines

#85
20140290612
2014-10-02

Airborne engine additive delivery system

#86
20140238349
2014-08-28

Device for dispensing a liquid additive into a fuel circulation circuit for an internal combustion engine, vehicle comprising such a device, and method for using said device

#87
20140222319
2014-08-07

Minimizing alcohol use in high efficiency alcohol boosted gasoline engines

#88
20140200796
2014-07-17

Method and system for engine control

#89
20140156167
2014-06-05

Simplified method to inject ethanol or other solution additives into diesel engines equipped with a digital data bus

#90
20140102403
2014-04-17

Gas engine, control system and control method for gas engine

#91
20140100762
2014-04-10

Method and system for knock control

#92
20130008410
2013-01-10

Method and system for controlling fuel usage

#93
20120285429
2012-11-15

OPTIMIZED FUEL MANAGEMENT SYSTEM FOR DIRECT INJECTION ETHANOL ENHANCEMENT OF GASOLINE ENGINES

#94
20120285428
2012-11-15

Working gas circulation type engine

#95
20120255518
2012-10-11

Carbon oxygen hydrogen motor

#96
20120180741
2012-07-19

Method for the in situ production of fuel/water mixtures in combustion engines

#97
20120111304
2012-05-10

Method and system for controlling fuel usage

#98
20120085317
2012-04-12

Method for Reducing Engine Emissions Using a Liquid Aerosol Catalyst

#99
20120047870
2012-03-01

Engine fueled by ammonia with selective reduction catalyst

#100
20120016567
2012-01-19

Method of controlling the combustion phase of a fuel mixture of a spark-ignition supercharged internal-combustion engine, notably of gasoline type

#101
20120004831
2012-01-05

CONTROLLER FOR INTERNAL COMBUSION ENGINE

#102
20120004830
2012-01-05

CONTROLLER FOR INTERNAL COMBUSTION ENGINE

#103
20110239750
2011-10-06

Alternative fuel concentration estimating system, vehicle comprising alternative fuel concentration estimating system, and alternative fuel concentration estimating method

#104
20110174267
2011-07-21

Method and system for controlling fuel usage

#105
20110168128
2011-07-14

System for Variable Blending Of Ethanol And Exhaust Water For Use As An Anti-Knock Agent

#106
20110118953
2011-05-19

Abnormal combustion detection method for internal-combustion engines from combustion indicator distribution modelling

#107
20110113869
2011-05-19

Abnormal combustion detection method for internal-combustion engines from several combustion indicators

#108
20100288232
2010-11-18

FUEL MANAGEMENT SYSTEM FOR VARIABLE ETHANOL OCTANE ENHANCEMENT OF GASOLINE ENGINES

#109
20100263623
2010-10-21

Diesel engine exhaust purifier

#110
20100228400
2010-09-09

Systems and methods for dispensing oil and fuel additives

#111
20100199946
2010-08-12

Optimized fuel management system for direct injection ethanol enhancement of gasoline engines

#112
20100147265
2010-06-17

Single nozzle direct injection system for rapidly variable gasoline/anti-knock agent mixtures

#113
20100116245
2010-05-13

Hybrid vehicle propulsion system utilizing knock suppression

#114
20100101548
2010-04-29

Fuel injection control device and method for multi-fuel engine

#115
20100094528
2010-04-15

Abnormal combustion detection method for internal-combustion engines

#116
20100077992
2010-04-01

Method for detection of abnormal combustion for internal combustion engines

#117
20100070154
2010-03-18

Single Nozzle Injection of Gasoline and Anti-Knock Fuel

#118
20100065016
2010-03-18

Minimizing alcohol use in high efficiency alcohol boosted gasoline engines

#119
20100063712
2010-03-11

SINGLE NOZZLE DIRECT INJECTION SYSTEM FOR RAPIDLY VARIABLE GASOLINE/ANTI-KNOCK AGENT MIXTURES

#120
20100024770
2010-02-04

Fuel delivery system for a multi-fuel engine

#121
20100019506
2010-01-28

Power system having an ammonia fueled engine

#122
20090216423
2009-08-27

Fuel mixture autoignition control method, notably for diesel type internal-combustion engines, and engine using same

#123
20090188476
2009-07-30

Working-gas-circulation-type engine

#124
20090188467
2009-07-30

Method for using ordinary fuel and water for car engine

#125
20090183423
2009-07-23

Supercritical diesel fuel composition, combustion process and fuel system

#126
20090165762
2009-07-02

Fuel control system having cold start strategy

#127
20090165760
2009-07-02

OPERATING A TURBO CHARGED DIESEL ENGINE

#128
20090070017
2009-03-12

Method to determine a fuel composition

#129
20090038586
2009-02-12

Hybrid vehicle propulsion system utilizing knock suppression

#130
20090024306
2009-01-22

Fast Burn and High Compression Ratio Fuel Management System for Minimization of Ethanol Consumption in Ethanol Boosted Gasoline Engines

#131
20080228375
2008-09-18

Spark ignition type internal combustion engine

#132
20080221778
2008-09-11

Control device for internal combustion engine

#133
20080156303
2008-07-03

Single nozzle direct injection system for rapidly variable gasoline/anti-knock agents mixtures

#134
20080098888
2008-05-01

OXYGEN ENRICHMENT FOR INTERNAL COMBUSTION ENGINES

#135
20080060627
2008-03-13

OPTIMIZED FUEL MANAGEMENT SYSTEM FOR DIRECT INJECTION ETHANOL ENHANCEMENT OF GASOLINE ENGINES

#136
20080046161
2008-02-21

Single nozzle injection of gasoline and anti-knock fuel

#137
20080017171
2008-01-24

Approach for reducing injector fouling and thermal degradation for a multi-injector engine system

#138
20080000436
2008-01-03

LOW EMISSION ENERGY SOURCE

#139
20070245720
2007-10-25

Method and system for reducing pollutant emissions of a power system

#140
20070245719
2007-10-25

System for increasing efficiency of an SCR catalyst

#141
20070240649
2007-10-18

Controlled liquid injection and blending apparatus

#142
20070215127
2007-09-20

Apparatus with mixed fuel separator and method of separating a mixed fuel

#143
20070215125
2007-09-20

Apparatus with mixed fuel separator and method of separating a mixed fuel

#144
20070215112
2007-09-20

Engine having multiple injector locations

#145
20070215111
2007-09-20

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

#146
20070209607
2007-09-13

Fuel additive injection system

#147
20070119435
2007-05-31

Engine monitoring and performance control system

#148
20070107676
2007-05-17

Method and apparatus for membrane separation of air into nitrogen and oxygen elements for use in internal combustion engines

#149
20070101975
2007-05-10

Oxygen enrichment for internal combustion engines

#150
20070044760
2007-03-01

Nitrogen enriched combustion of a natural gas internal combustion engine to reduce NOemissions

#151
20060278283
2006-12-14

Fuel additive dosing system, apparatus, and method

#152
20060254535
2006-11-16

Engine on pulsed fuel additive concentrate dosing system and controller

#153
20060201487
2006-09-14

Method for operating an internal combustion engine

#154
20060185644
2006-08-24

Method for operating compression ignition internal combustion engine

#155
20060107586
2006-05-25

Supercritical diesel fuel composition, combustion process and fuel system

#156
20060021587
2006-02-02

Combustion control system of a homogeneous charge

#157
20050126513
2005-06-16

On-board diesel oil and water emulsification system

#158
20050081800
2005-04-21

Method and apparatus for membrane separation of air into nitrogen and oxygen elements for use in internal combustion engines

#159
20050056264
2005-03-17

Fuel composition supply means for spark ignition engines

#160
20050011501
2005-01-20

Multi-phase fuel system

#161
20050004713
2005-01-06

Method for operation of a device for energy conversion using a main fuel and at least one auxiliary fuel

#162
18796035
2025-10-07

Dual-fuel engine systems for work vehicle

#163
17660794
2023-01-10

Intake bypass for liquid fuel engine

#164
17212433
2022-04-26

Methods and systems for real-time dosing of additives into a fuel supply unit

#165
15384223
2018-04-17

Methods and system for adjusting engine water injection

#166
14855809
2019-02-12

Additive-mixing fuel-injection system for internal combustion engines