Patents-Review.com
ClassID:

139495 ⎘

F02D19/08 - 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 pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed simultaneously using pluralities of fuels

Sub-classes:
Recent Application in this class:
#1
20260132750
2026-05-14

METHOD OF OPERATING A HYBRID AMMONIA-DIESEL COMPRESSION IGNITION PROPULSION SYSTEM AND/OR POWER GENERATION SYSTEM AND CONTROLLING THE POWER OUTPUT AND EMISSIONS THEREOF

 #2
20260036095
2026-02-05

APPARATUS AND METHOD FOR REGULATING AND INJECTING GASEOUS FUEL INTO AN INTERNAL COMBUSTION ENGINE

 #3
20250354525
2025-11-20

INTERNAL COMBUSTION ENGINE AND A METHOD FOR OPERATING AN INTERNAL COMBUSTION ENGINE

 #4
20250320819
2025-10-16

A RADIAL CAM ENGINE

 #5
20250314211
2025-10-09

DUAL FUEL SYSTEM AND OPERATING STRATEGY METERING FUEL VIA VARIED FUEL PUMP OUTPUT

 #6
20250305443
2025-10-02

SYSTEM AND METHOD FOR USING CONCENTRATED OXYGEN FOR GAS INTAKE INTO AN INTERNAL COMBUSTION ENGINE

 #7
20250290456
2025-09-18

ENGINE DEVICE

 #8
20250290455
2025-09-18

INJECTORS, METHODS, AND SYSTEMS FOR DUAL FUEL COMBUSTION

 #9
20250154913
2025-05-15

APPARATUS AND METHOD FOR REGULATING AND INJECTING GASEOUS FUEL INTO AN INTERNAL COMBUSTION ENGINE

 #10
20250137411
2025-05-01

SYSTEM AND METHOD FOR CONTROLLING A FUEL SUPPLY SYSTEM

 #11
20250130603
2025-04-24

DIFFERENTIAL PRESSURE REGULATOR

 #12
20250116246
2025-04-10

ENGINE

 #13
20250114752
2025-04-10

HYDRO-DIESEL ENGINE SYSTEM HAVING SEPARATE AGITATION MIXING AND CHEMICAL MIXING OF HYDROGEN GAS INTO LIQUID DIESEL FUEL

 #14
20250020086
2025-01-16

Engine control device

 #15
20240360796
2024-10-31

INTERNAL COMBUSTION ENGINE AND A METHOD FOR OPERATING AN INTERNAL COMBUSTION ENGINE

 #16
20240309801
2024-09-19

Explosion Safe Electrolysis Unit

 #17
20240301815
2024-09-12

Ultra Low Enhancement Gas Injection

 #18
20240159194
2024-05-16

ENGINE

 #19
20240093637
2024-03-21

ROLLOVER-SAFE ELECTROLYSIS UNIT FOR VEHICLES

 #20
20230399988
2023-12-14

Work vehicle power system with methane and hydrogen fuel blend

 #21
20230243296
2023-08-03

Dual-fuel intelligent combustion system and control method thereof

 #22
20230062236
2023-03-02

HHO Precision Injection System

 #23
20230052188
2023-02-16

Onboard HHO Gas Generation System for Heavy Duty Trucks

 #24
20220389879
2022-12-08

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

 #25
20220341361
2022-10-27

Explosion safe electrolysis unit

 #26
20220307453
2022-09-29

Engine

 #27
20220298980
2022-09-22

Apparatus and method for charging LPG fuel of bi-fuel vehicle

 #28
20220136449
2022-05-05

Upspeeded operation of alcohol-enabled gasoline engines

 #29
20220034272
2022-02-03

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

 #30
20210301773
2021-09-30

Engine

 #31
20210301739
2021-09-30

System and process for controlled chemical ignition of internal combustion engines

 #32
20210254568
2021-08-19

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

 #33
20210189953
2021-06-24

INTERNAL COMBUSTION ENGINE

 #34
20210131367
2021-05-06

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

 #35
20210003084
2021-01-07

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

 #36
20200370482
2020-11-26

Pressure coupled control method and system for diffusion combustion of natural gas engine

 #37
20200362775
2020-11-19

Upspeeded operation of alcohol-enabled gasoline engines

 #38
20200300186
2020-09-24

FUEL MANAGEMENT SYSTEM FOR VARIABLE ETHANOL OCTANE ENHANCEMENT OF GASOLINE ENGINES

 #39
20200291876
2020-09-17

Engine

 #40
20200240335
2020-07-30

PREMIER EFFICIENCY HYBRID FUELS SYSTEMS METHODS AND DEVICES COMPRISING DIESEL AND PROPANE INTER ALIA

 #41
20200224597
2020-07-16

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

 #42
20200095924
2020-03-26

Method and system for improving fuel economy and reducing emissions of internal combustion engines

 #43
20200056557
2020-02-20

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

 #44
20190309697
2019-10-10

Fuel management system for variable ethanol octane enhancement of gasoline engines

 #45
20190249597
2019-08-15

Internal combustion engine

 #46
20190234354
2019-08-01

Control device for internal combustion engine and control method for internal combustion engine

 #47
20190234322
2019-08-01

HHO Precision Injection System

 #48
20190234319
2019-08-01

Engine

 #49
20190234298
2019-08-01

Temperature control for HHO injection gas

 #50
20190234297
2019-08-01

Onboard HHO gas generation system for heavy duty trucks

 #51
20190233956
2019-08-01

Rollover safe electrolysis unit for vehicles

 #52
20190233951
2019-08-01

Explosion safe electrolysis unit

 #53
20190226410
2019-07-25

Control device for internal combustion engine and control method for internal combustion engine

 #54
20190226394
2019-07-25

Method and system for improving fuel economy and reducing emissions of internal combustion engines

 #55
20190186387
2019-06-20

Controller with combination function for a portable internal combustion engine

 #56
20190162124
2019-05-30

Drive system and method for operating a drive system

 #57
20190153968
2019-05-23

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

 #58
20190153965
2019-05-23

Control device for internal combustion engine and control method for internal combustion engine

 #59
20190048811
2019-02-14

Fuel management system for variable ethanol octane enhancement of gasoline engines

 #60
20190048808
2019-02-14

Fuel system for an internal combustion engine

 #61
20180283291
2018-10-04

System, method, and apparatus for injecting a gas in a diesel engine

 #62
20180223780
2018-08-09

Multi-fuel rail apparatus

 #63
20180216543
2018-08-02

Vehicle drive system, and method for operating a vehicle drive system

 #64
20180202375
2018-07-19

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

 #65
20180112606
2018-04-26

Detecting and mitigating abnormal combustion characteristics

 #66
20180094600
2018-04-05

Differential cylinder balancing for internal combustion engine

 #67
20180058348
2018-03-01

Fuel supply system, internal combustion engine system, and method for supplying an internal combustion engine with an LPG fuel

 #68
20180016998
2018-01-18

Fuel management system for variable ethanol octane enhancement of gasoline engines

 #69
20170284315
2017-10-05

Engine

 #70
20170174306
2017-06-22

METHOD FOR OPERATING ENGINE FOR VESSEL

 #71
20170159612
2017-06-08

Method for operating an engine

 #72
20170122226
2017-05-04

Multi-pulse injection events for a dual-fuel engine

 #73
20170096960
2017-04-06

Engine combustion control at high loads via fuel reactivity stratification

 #74
20170089306
2017-03-30

Ethanol engine system

 #75
20170082019
2017-03-23

Airborne engine additive delivery system

 #76
20160341157
2016-11-24

Combined steam reformation reactions and water gas shift reactions for on-board hydrogen production in an internal combustion engine

 #77
20160290257
2016-10-06

Control system for a flexible fuel internal combustion engine

 #78
20160281615
2016-09-29

Method and systems for a multi-fuel engine

 #79
20160160767
2016-06-09

FUEL CONTROL SYSTEM AND ASSOCIATED METHOD

 #80
20160138583
2016-05-19

Variable retraction rate pump and method for operating same

 #81
20160138529
2016-05-19

Fuel management system for variable ethanol octane enhancement of gasoline engines

 #82
20160047325
2016-02-18

Method for determining fuel blend in a dual fuel mixture

 #83
20160032849
2016-02-04

Method and apparatus for fuel regulation

 #84
20160017822
2016-01-21

Thermal management system for the feeding of fuel in internal combustion engines

 #85
20150369143
2015-12-24

Engine system having hydraulically actuated gas injector

 #86
20150369117
2015-12-24

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

 #87
20150330316
2015-11-19

In-cylinder dynamic gas blending fuel injector and dual fuel engine

 #88
20150322870
2015-11-12

System and method for emptying a tank

 #89
20150300247
2015-10-22

Natural gas engine and operation method for natural gas engine

 #90
20150267630
2015-09-24

APPARATUS AND METHOD FOR KNOCK CONTROL

 #91
20150226113
2015-08-13

Method and system for improving fuel economy and reducing emissions of internal combustion engines

 #92
20150167599
2015-06-18

Injector-igniter with fuel characterization

 #93
20150136047
2015-05-21

Mixed-Mode Combustion Methods Enabled by Fuel Reformers and Engines Using the Same

 #94
20150122218
2015-05-07

Control device for internal combustion engine

 #95
20150090221
2015-04-02

Control system for dual-fuel engine

 #96
20150068500
2015-03-12

Engine

 #97
20150068495
2015-03-12

Methods for adjusting fuel composition to increase liquid fuel heat tolerance

 #98
20150059700
2015-03-05

Vapor purging octane separation system

 #99
20150034034
2015-02-05

Lubricating oil composition

 #100
20140373822
2014-12-25

System and method for a self-adjusting dual fuel gas control

 #101
20140373811
2014-12-25

Fuel management system for variable ethanol octane enhancement of gasoline engines

 #102
20140358405
2014-12-04

Internal combustion engine operating on different reactivity fuels

 #103
20140343825
2014-11-20

Fuel management system for variable ethanol octane enhancement of gasoline engines

 #104
20140338645
2014-11-20

Vehicle control apparatus and vehicle control method

 #105
20140331951
2014-11-13

Method for reducing valve recession in gaseous fuel engines

 #106
20140290612
2014-10-02

Airborne engine additive delivery system

 #107
20140261728
2014-09-18

Compressed natural gas pressure regulator protective bracket

 #108
20140261345
2014-09-18

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

 #109
20140261303
2014-09-18

Injector-igniter with fuel characterization

 #110
20140251292
2014-09-11

Fuel control system and associated method

 #111
20140238327
2014-08-28

Internal combustion engine for natural gas compressor operation

 #112
20140214306
2014-07-31

Method and system for engine control

 #113
20140196687
2014-07-17

In-cylinder dynamic gas blending fuel injector and dual fuel engine

 #114
20140026859
2014-01-30

Reactivity controlled compression ignition engine with exhaust gas recirculation

 #115
20140025277
2014-01-23

Control system for multi-fuel internal combustion engine

 #116
20140007843
2014-01-09

Fuel injection control device for internal combustion

 #117
20130311067
2013-11-21

Direct injection gas engine and method

 #118
20130284138
2013-10-31

Method for providing and using an alcohol and use of the alcohol for increasing the efficiency and performance of an internal combustion engine

 #119
20130255646
2013-10-03

System and method for emptying a tank

 #120
20130144512
2013-06-06

Method of injecting fuel into an engine

 #121
20130098332
2013-04-25

Multi-cylinder multi-fuel engine

 #122
20130074800
2013-03-28

Process for controlling the combustion of an internal combustion engine with gasoline direct injection, in particular with controlled ignition

 #123
20130025573
2013-01-31

Engine and method of operating engine

 #124
20130019839
2013-01-24

Fuel management system for variable ethanol octane enhancement of gasoline engines

 #125
20120312284
2012-12-13

FUEL MANAGEMENT SYSTEM FOR VARIABLE ETHANOL OCTANE ENHANCEMENT OF GASOLINE ENGINES

 #126
20120285429
2012-11-15

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

 #127
20120222400
2012-09-06

Methods and systems for emissions control in a dual fuel engine

 #128
20120152204
2012-06-21

Fuel management system for variable ethanol octane enhancement of gasoline engines

 #129
20120138015
2012-06-07

Fuel management system for variable ethanol octane enhancement of gasoline engines

 #130
20120042857
2012-02-23

Fuel management system for variable ethanol octane enhancement of gasoline engines

 #131
20110290203
2011-12-01

Approach for controlling fuel flow with alternative fuels

 #132
20110283684
2011-11-24

Control system of internal combustion engine

 #133
20110226210
2011-09-22

Fuel management system for variable ethanol octane enhancement of gasoline engines

 #134
20110224886
2011-09-15

On-board fuel property detection using pattern recognition and power spectral analysis of cylinder pressure signal

 #135
20110224884
2011-09-15

Fuel control system and associated method

 #136
20110166767
2011-07-07

Compensation for oxygenated fuels in a diesel engine

 #137
20110130979
2011-06-02

Fuel viscosity detection apparatus

 #138
20110108004
2011-05-12

Dual fuel connector

 #139
20110030653
2011-02-10

Fuel management system for variable ethanol octane enhancement of gasoline engines

 #140
20100288232
2010-11-18

FUEL MANAGEMENT SYSTEM FOR VARIABLE ETHANOL OCTANE ENHANCEMENT OF GASOLINE ENGINES

 #141
20100263625
2010-10-21

Fuel management system for variable ethanol octane enhancement of gasoline engines

 #142
20100199946
2010-08-12

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

 #143
20100180839
2010-07-22

System and method for the co-generation of fuel having a closed-loop energy cycle

 #144
20100175659
2010-07-15

FUEL MANAGEMENT SYSTEM FOR VARIABLE ETHANOL OCTANE ENHANCEMENT OF GASOLINE ENGINES

 #145
20100155315
2010-06-24

Vehicle-mounted fuel separation system

 #146
20100070156
2010-03-18

Fuel management system for variable ethanol octane enhancement of gasoline engines

 #147
20100043730
2010-02-25

HYDROGEN GENERATING SYSTEM FOR OPERATION WITH ENGINE TURBO CONDITION

 #148
20090229572
2009-09-17

High pressure common rail fuel system with gas injection

 #149
20090134246
2009-05-28

Fuel injector

 #150
20090112450
2009-04-30

Fuel Management System for Refueling a Fuel System for Improved Fuel Efficiency Utilizing Glycols

 #151
20090084349
2009-04-02

Fuel management system for variable ethanol octane enhancement of gasoline engines

 #152
20080257284
2008-10-23

System and method for the co-generation of fuel having a closed-loop energy cycle

 #153
20080228375
2008-09-18

Spark ignition type internal combustion engine

 #154
20080190100
2008-08-14

Reforming of GTL for marine applications

 #155
20080110434
2008-05-15

Fuel management system for variable ethanol octane enhancement of gasoline engines

 #156
20080105218
2008-05-08

System for generating hybrid fuel for a combustion engine

 #157
20080098985
2008-05-01

Internal combustion engine system

 #158
20080060627
2008-03-13

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

 #159
20080060612
2008-03-13

Fuel management system for variable ethanol octane enhancement of gasoline engines

 #160
20070264602
2007-11-15

VAPOR FUEL COMBUSTION SYSTEM

 #161
20070183939
2007-08-09

Fuel supply device for internal combustion and control method therefor

 #162
20070175459
2007-08-02

Fuel control system and associated method

 #163
20070119394
2007-05-31

Fuel mass control for ethanol direct injection plus gasoline port fuel injection

 #164
20060260562
2006-11-23

System and method for the co-generation of fuel having a closed-loop energy cycle

 #165
20060248875
2006-11-09

Methods and systems for safely operating a diesel engine in a methane-rich environment

 #166
20060180121
2006-08-17

Compression-ignited IC engine and method of operation

 #167
20060102146
2006-05-18

Fuel management system for variable anti-knock agent octane enhancement of gasoline engines

 #168
20060102145
2006-05-18

Fuel management system for variable ethanol octane enhancement of gasoline engines

 #169
20050109319
2005-05-26

Fuel injection system and method

 #170
18361117
2024-06-11

System and method for measuring fluid delivery from a multi-fluid injector

 #171
17660794
2023-01-10

Intake bypass for liquid fuel engine

 #172
17494099
2022-10-25

Operating strategy mitigating undesired combustion in dual fuel engine

 #173
15690575
2020-01-28

Nitrous oxide injection

 #174
15338941
2018-02-27

Dual-fuel engine system and method having the same

 #175
14593653
2016-11-15

Hydraulic servo gas regulator for multi-fuel engine