ClassID:

139459

F02D19/0605 - 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; Control of components of the fuel supply system to adjust the fuel pressure or temperature

Recent Application in this class:
#1
20260092584
2026-04-02

FUEL SYSTEM FOR ENGINE

#2
20260022672
2026-01-22

ENGINE SYSTEM AND METHOD FOR DETERMINING FUEL CHARACTERISTICS

#3
20260009363
2026-01-08

FUEL INJECTOR CONTROL STRATEGY USING FUEL BULK MODULUS FOR FUEL INJECTOR COMMAND DETERMINATION

#4
20250290457
2025-09-18

AMMONIA MIXED COMBUSTION ENGINE

#5
20250215837
2025-07-03

APPARATUS AND METHOD FOR PRESSURE REGULATION OF A GASEOUS FLUID

#6
20250154911
2025-05-15

DUAL FUEL LOCKOUT SWITCH FOR GENERATOR ENGINE

#7
20250116237
2025-04-10

VEHICLE WITH FUEL DENSIFIER

#8
20250012241
2025-01-09

SUPPLEMENTAL FUEL SYSTEM FOR COMPRESSION-IGNITION ENGINE

#9
20240183319
2024-06-06

DUAL FUEL LOCKOUT SWITCH FOR GENERATOR ENGINE

#10
20240084744
2024-03-14

Method for operating an internal combustion engine, and internal combustion engine

#11
20230417198
2023-12-28

CONSTANT PRESSURE FUEL ENHANCEMENT SYSTEM AND METHOD

#12
20230349334
2023-11-02

Ammonia fuelled engine

#13
20230340932
2023-10-26

Supplemental fuel system for compression-ignition engine

#14
20230235707
2023-07-27

Dual fuel lockout switch for generator engine

#15
20230193840
2023-06-22

METHODS AND SYSTEMS FOR SHUT DOWN OF A MULTI-FUEL ENGINE

#16
20230101065
2023-03-30

Supplemental fuel system for compression-ignition engine

#17
20230070025
2023-03-09

Supplemental fuel system for compression-ignition engine

#18
20230068586
2023-03-02

Supplemental fuel system for compression-ignition engine

#19
20230068444
2023-03-02

Supplemental fuel system for compression-ignition engine

#20
20230064208
2023-03-02

Supplemental fuel system for compression-ignition engine

#21
20230064061
2023-03-02

Supplemental fuel system for compression-ignition engine

#22
20230023142
2023-01-26

Dual fuel generator with remote regulator

#23
20220298980
2022-09-22

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

#24
20220186672
2022-06-16

Vehicle with fuel densifier

#25
20210404399
2021-12-30

Charge-flow adjustment in closed-loop exhaust temperature control on dual fuel engines

#26
20210381447
2021-12-09

DUAL-FUEL SUPPLY SYSTEM FOR DIRECT INJECTION

#27
20200173379
2020-06-04

Off-board fuel regulator for generator engine

#28
20190309701
2019-10-10

Gasoline reid vapor pressure detection system and method for a vehicle propulsion system

#29
20190285006
2019-09-19

Pressure regulating mass flow system for multipoint gaseous fuel injection

#30
20190242307
2019-08-08

System and method to determine failure of a gas shut off valve

#31
20190178176
2019-06-13

Gas feed method for a gas engine or dual-fuel engine, and gas supply apparatus for same

#32
20190145325
2019-05-16

Multi-fuel transport refrigeration unit

#33
20190101070
2019-04-04

Pressure regulating modules with controlled leak paths

#34
20190078519
2019-03-14

Off-board fuel regulator for generator engine

#35
20190032618
2019-01-31

Deposit mitigation for gaseous fuel injectors

#36
20180320605
2018-11-08

High pressure fluid control system and method of controlling pressure bias in an end use device

#37
20180066613
2018-03-08

Adjusting a fuel on-board a vehicle

#38
20180003118
2018-01-04

Charge-flow adjustment in closed-loop exhaust temperature control on dual fuel engines

#39
20170234276
2017-08-17

Adjusting a fuel on-board a vehicle

#40
20170145930
2017-05-25

APPARATUS AND METHOD FOR REGULATING FLUID PRESSURE

#41
20170096954
2017-04-06

Method and apparatus for controlling fuel pressure in a gaseous fuelled internal combustion engine

#42
20170074212
2017-03-16

HYDRAULIC SERVO GAS REGULATOR FOR MULTI-FUEL ENGINE

#43
20170074182
2017-03-16

Method and system for controlling fuel pressure in a gaseous fuelled internal combustion engine

#44
20160363058
2016-12-15

Dual fuel lockout switch for generator engine

#45
20160298556
2016-10-13

System and method for supplying natural gas to dual fuel engine

#46
20160237921
2016-08-18

Control system and method for isolating high pressure pilot fuel in dual-fuel HPDI system

#47
20160201580
2016-07-14

Propane fuel supplement system and method

#48
20160186682
2016-06-30

Zero flow lubrication for a high pressure fuel pump

#49
20160153371
2016-06-02

GAS REGULATOR FOR A MULTI-FUEL ENGINE AND METHOD OF OPERATING SAME

#50
20160138583
2016-05-19

Variable retraction rate pump and method for operating same

#51
20160084191
2016-03-24

Method for controlling a pressure

#52
20160032849
2016-02-04

Method and apparatus for fuel regulation

#53
20160017851
2016-01-21

Fuel injection amount control device

#54
20160017822
2016-01-21

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

#55
20150285166
2015-10-08

High pressure fuel pumps with mechanical pressure regulation

#56
20150275781
2015-10-01

ENGINE FUEL ENHANCEMENT MANAGEMENT SYSTEM

#57
20150198118
2015-07-16

Systems and methods for separation of liquid and gaseous fuel for injection

#58
20150122218
2015-05-07

Control device for internal combustion engine

#59
20150122216
2015-05-07

METHOD AND SYSTEM TO IMPROVE ATOMIZATION AND COMBUSTION OF HEAVY FUEL OILS

#60
20150114351
2015-04-30

MULTI-FUEL CO-INJECTION SYSTEM AND METHOD FOR INTERNAL COMBUSTION AND TURBINE ENGINES

#61
20150107677
2015-04-23

Fuel supply apparatus and fuel supply method

#62
20150075499
2015-03-19

Method and apparatus for controlling fuel pressure in a gaseous fuelled internal combustion engine

#63
20150068506
2015-03-12

Multi-fuel control system and method

#64
20140331963
2014-11-13

Dual fuel common rail transient pressure control and engine using same

#65
20140316677
2014-10-23

Dual fuel common rail depressurization during engine shutdown and machine using same

#66
20140311444
2014-10-23

Dual fuel common rail transient pressure control and engine using same

#67
20140251292
2014-09-11

Fuel control system and associated method

#68
20140238351
2014-08-28

Method and apparatus for pumping fuel to a fuel injection system

#69
20140230794
2014-08-21

Methods and systems for a fuel system

#70
20140182562
2014-07-03

Fuel heating device for improving cold start performance of flex fuel vehicle

#71
20140174404
2014-06-26

Fuel system

#72
20140166596
2014-06-19

Method and system for water drainage in fuel system

#73
20140116375
2014-05-01

Dual fuel engine and strategy to avoid atmospheric venting

#74
20140081565
2014-03-20

Gaseous fuel rail depressurization during inactive injector conditions

#75
20140034021
2014-02-06

Fuel rail assembly including fuel separation membrane

#76
20140020773
2014-01-23

Diesel fuel leakage control system for a dual fuel injector

#77
20130345950
2013-12-26

Fuel supply control system for multi-fuel internal combustion engine

#78
20130327298
2013-12-12

Fuel-pumping system, method for operating a fuel-pumping system and fuel-injection system comprising a fuel-pumping system

#79
20130014729
2013-01-17

Fuel supply control device and fuel supply system

#80
20130013173
2013-01-10

Fuel supply system for internal combustion engine

#81
20120312255
2012-12-13

Operating an engine with reformate

#82
20120298072
2012-11-29

Directly injected internal combustion engine system

#83
20120253641
2012-10-04

METHOD AND A CONTROL DEVICE FOR CONTROLLING AN ENGINE

#84
20120239276
2012-09-20

Fuel property determination system for internal combustion engine

#85
20120227720
2012-09-13

Fuel injection apparatus for internal combustion engine

#86
20120167859
2012-07-05

Fuel system for a multi-fuel engine

#87
20120145096
2012-06-14

Engine system with reformer

#88
20120085322
2012-04-12

Internal Combustion Engine as well as Retrofitting/Conversion Kit for such an Internal Combustion Engine

#89
20110308501
2011-12-22

Internal combustion engine control apparatus and control method for internal combustion engine control apparatus

#90
20110308500
2011-12-22

Control apparatus and control method for internal combustion engine

#91
20110290203
2011-12-01

Approach for controlling fuel flow with alternative fuels

#92
20110247586
2011-10-13

Directly injected internal combustion engine system

#93
20110240141
2011-10-06

SYSTEM AND METHOD FOR FUELING DIESEL ENGINES WITH VEGETABLE OIL

#94
20110224884
2011-09-15

Fuel control system and associated method

#95
20110179715
2011-07-28

Fuel reforming process for internal combustion engines

#96
20110168133
2011-07-14

Approach for controlling fuel flow with alternative fuels

#97
20110155102
2011-06-30

DIRECT INJECTION BI-FUEL SYSTEM FOR COMBUSTION ENGINES

#98
20110137537
2011-06-09

Operating an engine with reformate

#99
20110132320
2011-06-09

Fluid injection pressurization system

#100
20110130979
2011-06-02

Fuel viscosity detection apparatus

#101
20110000549
2011-01-06

FUEL SUPPLY APPARATUS AND FUEL SUPPLY METHOD

#102
20100268444
2010-10-21

Controller for diesel engine and method of controlling diesel engine

#103
20100258084
2010-10-14

FUEL-PUMPING SYSTEM, METHOD FOR OPERATING A FUEL-PUMPING SYSTEM AND FUEL-INJECTION SYSTEM COMPRISING A FUEL-PUMPING SYSTEM

#104
20100218734
2010-09-02

Bio-diesel fuel engine system and bio-diesel fuel engine operating method

#105
20100204928
2010-08-12

Fuel identification system and method

#106
20100155315
2010-06-24

Vehicle-mounted fuel separation system

#107
20100139627
2010-06-10

FUEL HEATING SYSTEM

#108
20100131178
2010-05-27

Method of operating an internal combustion engine

#109
20100122989
2010-05-20

System and method for fueling diesel engines with vegetable oil

#110
20100071661
2010-03-25

Method for fuel injection

#111
20100024772
2010-02-04

Fuel system for multi-fuel engine

#112
20100024771
2010-02-04

FUEL DELIVERY SYSTEM FOR MULTI-FUEL ENGINE

#113
20100010726
2010-01-14

Controller for internal combustion engine

#114
20090320789
2009-12-31

Multi fuel co-injection system for internal combustion and turbine engines

#115
20090314260
2009-12-24

Start control apparatus for an internal combustion engine

#116
20090235896
2009-09-24

Diesel cycle internal combustion engine

#117
20090229572
2009-09-17

High pressure common rail fuel system with gas injection

#118
20090183423
2009-07-23

Supercritical diesel fuel composition, combustion process and fuel system

#119
20090159057
2009-06-25

Fuel rail assembly including fuel separation membrane

#120
20090139305
2009-06-04

Procedure for determining the proportions of components of a fuel mixture

#121
20090120385
2009-05-14

Method and apparatus of fuelling an internal combustion engine with hydrogen and methane

#122
20090095546
2009-04-16

Directly injected internal combustion engine system

#123
20090071447
2009-03-19

Virtual fuel sensor for dual fuel tank applications

#124
20080312805
2008-12-18

Controller and control system for internal combustion engine

#125
20080264387
2008-10-30

Method and System for Adjusting Engine Fuel Rates by Adjusting Fuel Pressure

#126
20080257301
2008-10-23

Power plant and fuel supply method therefor

#127
20080245318
2008-10-09

Hydrogen-fueled internal combustion engine

#128
20080110419
2008-05-15

Internal combustion engine and starting control device of internal combustion engine

#129
20080041334
2008-02-21

Direct injection alcohol engine with variable injection timing

#130
20070199539
2007-08-30

Method and apparatus for delivering two fuels to a direct injection internal combustion engine

#131
20070175459
2007-08-02

Fuel control system and associated method

#132
20070125338
2007-06-07

Fuel injection system

#133
20070056569
2007-03-15

System and method for fueling diesel engines with vegetable oil

#134
20060236974
2006-10-26

Fuel injection system and method of operation for a gaseous fuelled engine with liquid pilot fuel ignition

#135
20060107586
2006-05-25

Supercritical diesel fuel composition, combustion process and fuel system

#136
20060011179
2006-01-19

Method of regulating an internal combustion engine

#137
20050247288
2005-11-10

Adaptive engine control

#138
20050224601
2005-10-13

Liquid cooled fuel injection valve and method of operating a liquid cooled fuel injection valve

#139
20050217642
2005-10-06

Fuel supply system for an internal combustion engine

#140
20050126551
2005-06-16

Control method and apparatus for use in an alcohol fueled internal combustion engine

#141
20050011501
2005-01-20

Multi-phase fuel system

#142
18331200
2024-01-30

Fuel system for prime mover

#143
18119395
2024-01-09

Ethanol detection with heated fuel injector in flexible fuel vehicles

#144
17645014
2023-03-07

Methods and systems for a multi-pressure fuel injection system

#145
17644554
2023-04-04

Methods and systems for multi-fuel engine