ClassID:

139453

F02D19/027 - 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 gaseous fuels; Measuring or estimating parameters related to the fuel supply system Determining the fuel pressure, temperature or volume flow, the fuel tank fill level or a valve position

Sub-classes:
Recent Application in this class:
#1
20260139635
2026-05-21

CONTROL OF FUEL DELIVERY PRESSURE BASED ON DETERMINED MASS OF REMAINING FUEL FOR A VEHICLE

#2
20260104015
2026-04-16

ENGINE CONTROL SYSTEM AND METHODS

#3
20260078721
2026-03-19

DEVICE FOR DIRECT INJECTION OF A GASEOUS FUEL

#4
20260078706
2026-03-19

CONTROLLER

#5
20260036108
2026-02-05

COMBUSTION CONTROL FOR PREVENTING KNOCK AND PRE-IGNITION DURING TRANSIENTS IN SPARK IGNITION INTERNAL COMBUSTION ENGINES

#6
20250369399
2025-12-04

CONTROLLER FOR INTERNAL COMBUSTION ENGINE

#7
20250305461
2025-10-02

Natural Gas Engines With Fuel Quality Determination

#8
20250215836
2025-07-03

CONTROLLER FOR INTERNAL COMBUSTION ENGINE

#9
20250154923
2025-05-15

HYDROGEN CAPTURE CANISTER

#10
20250027457
2025-01-23

Hydrogen Fuel Pressure Energy Recovery for Hydrogen Engine Vehicles

#11
20250012240
2025-01-09

DEVICE FOR DIRECT INJECTION OF A GASEOUS FUEL

#12
20240410322
2024-12-12

Natural Gas Engines With Fuel Quality Determination

#13
20240110525
2024-04-04

Natural gas engines with fuel quality determination

#14
20240018914
2024-01-18

Hydrogen pressure maintaining system of hydrogen fuel engine and control method for the same

#15
20230235706
2023-07-27

INTEGRATED THROTTLE - FUEL MIXER

#16
20230019785
2023-01-19

Fuel injection device for an internal combustion engine, in particular for a hydrogen combustion engine

#17
20230003344
2023-01-05

A system having at least two cryogenic containers for providing a fluid

#18
20220353955
2022-11-03

IOT gateway for remote natural gas compression systems

#19
20220325674
2022-10-13

High efficiency turbocharger with EGR system

#20
20220298745
2022-09-22

Working machine

#21
20220250467
2022-08-11

Multiple gas tank assembly with individual pressure monitoring

#22
20220154654
2022-05-19

Method for controlling injection in a combustion engine

#23
20220090953
2022-03-24

Fuel level measurement system for a machine

#24
20220056829
2022-02-24

Gas engine heat pump

#25
20210262423
2021-08-26

Propane fuel system temperature control systems and methods

#26
20210156341
2021-05-27

Pressure stabilizer, a gas engine system and a gas pressure control method

#27
20210153295
2021-05-20

IoT gateway for remote natural gas compression systems

#28
20210115859
2021-04-22

Reverse flow detection system

#29
20200325854
2020-10-15

Storage tank for cryogenic liquid gas

#30
20200256713
2020-08-13

SYSTEM FOR SHUTTING-OFF FLUID FLOW AND MEASURING FLUID FLOW RATE

#31
20200217277
2020-07-09

System for generating and supplying hydrogen gas to an internal combustion engine

#32
20200141340
2020-05-07

Intake air assessment for industrial engines

#33
20200094673
2020-03-26

Multiple gas tank assembly with individual pressure monitoring

#34
20200072144
2020-03-05

High efficiency turbocharger with EGR system

#35
20190338713
2019-11-07

Gas tank arrangement

#36
20190323443
2019-10-24

A METHOD AND A SYSTEM FOR CONTROLLING A GAS ENGINE

#37
20190308485
2019-10-10

Pressure control valve system

#38
20190285006
2019-09-19

Pressure regulating mass flow system for multipoint gaseous fuel injection

#39
20190264623
2019-08-29

Liquefied gas fuel feeding system and a method of operating a power plant of internal combustion engines powered with liquefied gas

#40
20190211756
2019-07-11

Fuel pressure monitoring system of vaporizer

#41
20190186440
2019-06-20

Propane fuel system temperature control systems and methods

#42
20190178175
2019-06-13

Method for measuring the pressure of a compressed gaseous fuel in a supply line of an engine equipping a motor vehicle and associated measuring device

#43
20190101068
2019-04-04

A METHOD AND A SYSTEM FOR ADAPTING ENGINE CONTROL OF A GAS ENGINE IN A VEHICLE

#44
20190085791
2019-03-21

Fuel module system

#45
20190032543
2019-01-31

Precombustion-chamber type gas engine and operation control method of same

#46
20180328326
2018-11-15

INJECTOR SET-UP HAVING A THERMAL PROTECTION SLEEVE

#47
20180274491
2018-09-27

Fuel evaporative gas emission suppressor

#48
20180274335
2018-09-27

Load control system and method for hydrocarbon pump engine

#49
20180252150
2018-09-06

Method for regulating an internal combustion engine

#50
20180223773
2018-08-09

POWER GENERATING ASSEMBLY, VEHICLE COMPRISING A POWER GENERATING ASSEMBLY, AND METHOD FOR ADJUSTING AN INERT GAS PRESSURE

#51
20180216542
2018-08-02

Powertrain arrangement, method, and dedicated measuring apparatus for use with additized dimethyl ether (DME) fuel

#52
20180100449
2018-04-12

Operating a gaseous fuel injector

#53
20170356775
2017-12-14

Flow measuring device

#54
20170246951
2017-08-31

CNG fuel system for a vehicle

#55
20170218837
2017-08-03

Gas quality virtual sensor for an internal combustion engine

#56
20170167443
2017-06-15

VEHICLE NATURAL GAS FUEL SUPPLY SYSTEMS

#57
20170122272
2017-05-04

Apparatus and method for charging LPG fuel vehicle

#58
20170122225
2017-05-04

Monitoring apparatus for a pressure tank, and pressure tank

#59
20170107948
2017-04-20

Fuel system for bi-fuel vehicle and method of filling bi-fuel vehicle with LPG fuel using the same

#60
20160369711
2016-12-22

Natural gas leak detection through pressure loss in pneumatic starter and prelube

#61
20160363065
2016-12-15

Engine device

#62
20160341134
2016-11-24

FUEL DELIVERY SYSTEM

#63
20160290297
2016-10-06

Method and system for delivering a gaseous fuel into the air intake system of an internal combustion engine

#64
20160245244
2016-08-25

Fuel tank system

#65
20160230687
2016-08-11

Abnormality diagnosis apparatus and abnormality diagnosis method

#66
20160177857
2016-06-23

Method and diagnostic facility for checking high-pressure tank valves, high-pressure tank system and motor vehicle with a high-pressure tank system

#67
20160138510
2016-05-19

ENGINE CONTROL APPARATUS

#68
20160061685
2016-03-03

Gas internal combustion engine gas leak checking device and method for same

#69
20160017835
2016-01-21

Method and system for delivering a gaseous fuel into the air intake system of an internal combustion engine

#70
20150377155
2015-12-31

Method and controller for setting the combustion parameters for an internal combustion engine operated with liquefied natural gas

#71
20150322870
2015-11-12

System and method for emptying a tank

#72
20150260120
2015-09-17

Internal combustion engine, in particular gas engine, for a motor vehicle

#73
20150206359
2015-07-23

Liquefied petroleum gas tank leak detection systems and methods

#74
20150159570
2015-06-11

Method and system for controlling safety of a bi-fuel vehicle

#75
20150159564
2015-06-11

Fuel system for a vehicle

#76
20150128910
2015-05-14

Method for operating a fuel injection system and fuel injection system comprising fuel injection valves with a piezo direct-drive

#77
20150122224
2015-05-07

Method and system for engine control

#78
20150112506
2015-04-23

CNG fuel system for a vehicle

#79
20150053180
2015-02-26

Method and system for gaseous and liquid fuel injection

#80
20140379240
2014-12-25

Method and system for estimating fuel composition

#81
20140352658
2014-12-04

System and method to diagnose fuel system pressure sensor

#82
20140345563
2014-11-27

Integrated fuel injectors and igniters and associated methods of use and manufacture

#83
20140331668
2014-11-13

Direct injection of diluents or secondary fuels in gaseous fuel engines

#84
20140303876
2014-10-09

Control system for internal combustion engine

#85
20140283788
2014-09-25

Fuel supply system with leakage detection means

#86
20140263697
2014-09-18

Integrated fuel injectors and igniters and associated methods of use and manufacture

#87
20140230789
2014-08-21

Module for managing mass flow and dampening pressure pulsations in a gaseous fuel supply line

#88
20140174402
2014-06-26

Dual fuel system having a damper

#89
20140130777
2014-05-15

Detection method of airtight failure in working-gas circulating type gas engine, and working-gas circulating type gas engine using the method

#90
20140111327
2014-04-24

Methods and apparatuses for diagnosing leaks in a compressed natural gas delivery system

#91
20140095052
2014-04-03

End-position-monitoring of a gas injector

#92
20140076290
2014-03-20

Thermodynamic pump for cryogenic fueled devices

#93
20140041633
2014-02-13

Dual fuel engine and evaporated natural gas system

#94
20130340713
2013-12-26

Injector system

#95
20130327295
2013-12-12

Gas engine system with detection function of abnormality occurrence of gas pressure detection mechanism

#96
20130311067
2013-11-21

Direct injection gas engine and method

#97
20130255646
2013-10-03

System and method for emptying a tank

#98
20130247873
2013-09-26

Fuel distribution in multi-fuel tank compressed gas fuel systems

#99
20130244124
2013-09-19

Moving body

#100
20130238217
2013-09-12

Method and system for estimating fuel composition

#101
20130199499
2013-08-08

Method and system for engine control

#102
20130118458
2013-05-16

Fuel feed system

#103
20130118452
2013-05-16

DME common-rail fuel supply apparatus and method

#104
20130067913
2013-03-21

Gas engine having intercooler

#105
20130055712
2013-03-07

Gas engine

#106
20130054124
2013-02-28

Method of monitoring check valves arranged in gas feed lines of a gas engine

#107
20130013256
2013-01-10

SHUT-OFF VALVE FAULT DIAGNOSIS DEVICE

#108
20130000752
2013-01-03

Shut-off valve fault diagnosis device and fuel supply system

#109
20120310510
2012-12-06

Control system and control method of gas engine

#110
20120304969
2012-12-06

Method and system for powering an Otto cycle engine using gasoline and compressed natural gas

#111
20120296551
2012-11-22

Fuel injector control system and method to compensate for injector opening delay

#112
20120291758
2012-11-22

FUEL SWITCHOVER CONTROL DEVICE AND METHOD

#113
20120199102
2012-08-09

Gas fuel admission system for a gas fired engine

#114
20120174891
2012-07-12

Bi-fuel engine including system and method for reducing component temperature

#115
20120168680
2012-07-05

Compact fuel processor

#116
20120160191
2012-06-28

Integrated control system and method

#117
20120158269
2012-06-21

VEHICLE CONTROL APPARATUS

#118
20120152215
2012-06-21

DUAL FUEL SOURCE TRAILER TRACTOR

#119
20120085314
2012-04-12

USE OF PRESSURIZED FUELS IN AN INTERNAL COMBUSTION ENGINE

#120
20120060935
2012-03-15

Fuel tank temperature and pressure management via selective extraction of liquid fuel and fuel vapor

#121
20120060796
2012-03-15

Liquefied petroleum gas (LPG) pump control systems and methods

#122
20120055457
2012-03-08

Method and apparatus for adaptive feedback control of an excess air ratio in a compression ignition natural gas engine

#123
20110314839
2011-12-29

Pressure control of cryogenic liquids

#124
20110265464
2011-11-03

AMMONIA BURNING INTERNAL COMBUSTION ENGINE

#125
20110265463
2011-11-03

AMMONIA BURNING INTERNAL COMBUSTION ENGINE

#126
20110259285
2011-10-27

AMMONIA BURNING INTERNAL COMBUSTION ENGINE

#127
20110226362
2011-09-22

Auxiliary fuel tank

#128
20110209691
2011-09-01

Working gas circulation engine

#129
20110186012
2011-08-04

Liquid fuel injection engine

#130
20110144886
2011-06-16

Dual state liquefied petroleum gas engine assembly

#131
20110139122
2011-06-16

Liquefied petroleum gas engine assembly with flow control

#132
20110100483
2011-05-05

Gas supply apparatus equipped with vaporizer

#133
20110094593
2011-04-28

Method and apparatus for processing diluted fugitive gases

#134
20110088655
2011-04-21

Fuel injection control method for a direct injection gaseous-fuelled internal combustion engine

#135
20110056466
2011-03-10

Working gas circulation engine

#136
20110042476
2011-02-24

Integrated fuel injectors and igniters and associated methods of use and manufacture

#137
20100307454
2010-12-09

Fuel distribution in multi-fuel tank compressed gas fuel systems

#138
20100299047
2010-11-25

Method and device for operating a gas injection system of a gas fuel and a liquid fuel operated internal combustion engine

#139
20100288211
2010-11-18

Fuel system and method for burning liquid ammonia in engines and boilers

#140
20100276027
2010-11-04

System for supplying a consumer with gaseous fuel and associated method

#141
20100269789
2010-10-28

METERING FUEL PUMP

#142
20100236509
2010-09-23

Hydrogen engine using a recirculating working medium

#143
20100217500
2010-08-26

Diesel fuel engine injection system and method therefor

#144
20100183993
2010-07-22

Integrated fuel injectors and igniters and associated methods of use and manufacture

#145
20100180838
2010-07-22

ALTERNATIVE FUEL INJECTION SYSTEM AND METHOD FOR AN INTERNAL COMBUSTION ENGINE

#146
20100126468
2010-05-27

Method of manufacturing and installation of high pressure liquid LPG fuel supply and dual or mixed fuel supply systems

#147
20100126261
2010-05-27

Method for measuring the instantaneous flow of an injector for gaseous fuels

#148
20100126170
2010-05-27

Method to control a gas engine system thereof

#149
20100108161
2010-05-06

Pressure regulator

#150
20100108038
2010-05-06

Fuel Feeding Control Device of Compressed Natural Gas Engine

#151
20100049417
2010-02-25

Dual ECU for aftermarket conversions of vehicles and boats to oxy-hydrogen or hybrid fuels

#152
20100012090
2010-01-21

HYDROGEN DELIVERY SYSTEM AND METHOD FOR AN INTERNAL COMBUSTION ENGINE

#153
20100010727
2010-01-14

System for supply of LPG, methane, ammonia, and gas in general for petrol or diesel engines with electronic pressure regulator for continuous variation of the pressure of the fuel supplied to the injectors

#154
20100005812
2010-01-14

Thermodynamic pump for cryogenic fueled devices

#155
20090320781
2009-12-31

LNG FUEL SUPPLY SYSTEM

#156
20090287392
2009-11-19

Method and system for closed loop lambda control of a gaseous fueled internal combustion engine

#157
20090282986
2009-11-19

Filtering device for filtering gaseous fuels in systems for supplying gas to internal combustion engines

#158
20090126691
2009-05-21

Super cooled air and fuel induction system for internal combustion engines

#159
20090088983
2009-04-02

Method and device for determining the composition of a gas mixture of a fuel tank of a motor vehicle filled with CNG

#160
20090088950
2009-04-02

Fuel control system and method for gas engines

#161
20090084348
2009-04-02

Method Of Accurately Metering A Gaseous Fuel That Is Injected Directly Into A Combustion Chamber Of An Internal Combustion Engine

#162
20090076709
2009-03-19

Method and device for integrative control of gas engine

#163
20090071439
2009-03-19

Method and device for integrative control of gas engine

#164
20090071438
2009-03-19

Method and device for controlling starting of gas engine

#165
20090070008
2009-03-12

Method and apparatus for operating a dual fuel internal combustion engine

#166
20090065720
2009-03-12

Pressure regulator for gaseous media

#167
20090055077
2009-02-26

Operating method and device for a gas-operated internal combustion engine

#168
20090037076
2009-02-05

METHOD OF INJECTING FLUID, A METHOD OF AND APPARATUS FOR CONTROLLING INJECTION OF FLUID, AND AN INTERNAL COMBUSTION ENGINE

#169
20090007695
2009-01-08

Instantaneous flow rate measurement instrument of gaseous fuel injector

#170
20080306674
2008-12-11

Method for controlling combustion in an internal combustion engine and predicting performance and emissions

#171
20080276627
2008-11-13

FUEL GAS SUPPLY SYSTEM AND METHOD OF A SHIP

#172
20080271707
2008-11-06

Liquefied Gas Fuel Supply Device of Diesel Engine

#173
20080264494
2008-10-30

Exhaust apparatus pressure control system

#174
20080245349
2008-10-09

Internal combustion engine and control method thereof

#175
20080226463
2008-09-18

System And Method For Delivering A Pressurized Gas From A Cryogenic Storage Vessel

#176
20080047840
2008-02-28

Fuel cell system

#177
20080041034
2008-02-21

EXHAUST GAS PURIFICATION FOR A HYDROGEN ENGINE

#178
20080029072
2008-02-07

Method and group for the LPG feeding of an internal combustion engine

#179
20080016883
2008-01-24

Motor vehicle operable by means of cryogenically stored fuel and having a compressed-air system

#180
20080011248
2008-01-17

System and method for control of a gas

#181
20070295316
2007-12-27

Methods and apparatus for operation of multiple fuel engines

#182
20070272548
2007-11-29

Hydrogen Gas Electrolysis and Supply Apparatus and Method

#183
20070246020
2007-10-25

Fuel supply apparatus of engine

#184
20070157909
2007-07-12

Gas fuel supply system

#185
20070137591
2007-06-21

Engine operated generator

#186
20070082304
2007-04-12

Method of and system for controlling the ratio of a variable lead parameter and an adjustable lag parameter for a lag-lead process

#187
20070079815
2007-04-12

Fuel delivery system

#188
20070073467
2007-03-29

Method for controlling combustion in an internal combustion engine and predicting performance and emissions

#189
20070068496
2007-03-29

Tapered toroidal flow control valve and fuel metering device

#190
20070044774
2007-03-01

LPI engine system

#191
20070028612
2007-02-08

Metering fuel pump

#192
20070022733
2007-02-01

Electric power supply equipment

#193
20060204909
2006-09-14

Method and apparatus for utilising fugitive gases as a supplementary fuel source

#194
20060180128
2006-08-17

Stuck-open failure detection system for gas-fuel injection valve

#195
20060168950
2006-08-03

Combination emission abatement assembly and method of operarting the same

#196
20060130796
2006-06-22

Method and apparatus for fuel injection systems

#197
20060064227
2006-03-23

Electronically managed LPG fumigation method and system

#198
20060054145
2006-03-16

Heating apparatus for liquefied gas fuel supply system

#199
20060054144
2006-03-16

Gas fuel feed device

#200
20050279321
2005-12-22

Method of injecting a gaseous fuel into an internal combustion engine

#201
20050274360
2005-12-15

Common rail directly actuated fuel injection valve with a pressurized hydraulic transmission device and a method of operating same

#202
20050235948
2005-10-27

Diesel engine DME fuel supply device

#203
20050224057
2005-10-13

Fuel return device for internal combustion engine

#204
20050193989
2005-09-08

Gaseous fuel system for automotive vehicle

#205
20050177300
2005-08-11

Method of regulating an internal combustion engine

#206
20050172942
2005-08-11

Method of regulating an internal combustion engine

#207
20050166972
2005-08-04

System for supplying liquefied gas to a combustion engine with a minimum liquefied-gas level detector

#208
20050092369
2005-05-05

Pressure regulator module for controlling a gas

#209
20050067512
2005-03-31

Fuel injection valve

#210
14724778
2020-04-14

Two-phase LPG fuel supply