F02D19/0673 - CPC Classification Index

ClassID:

139485 ⎘

F02D19/0673 - 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; Details on the fuel supply system, e.g. tanks, valves, pipes, pumps, rails, injectors or mixers Valves; Pressure or flow regulators; Mixers

Sub-classes:

F02D19/0676 » {Multi-way valves; Switch-over valves} 64
F02D19/0678 » {Pressure or flow regulators therefor; Fuel metering valves therefor} 65
F02D19/0681 » {Shut-off valves; Check valves; Safety valves; Pressure relief valves} 53

Recent Application in this class:

20260092584

2026-04-02

FUEL SYSTEM FOR ENGINE

20260036094

2026-02-05

ENGINE SYSTEM

20260009363

2026-01-08

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

20250154911

2025-05-15

DUAL FUEL LOCKOUT SWITCH FOR GENERATOR ENGINE

20250114752

2025-04-10

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

20250012241

2025-01-09

SUPPLEMENTAL FUEL SYSTEM FOR COMPRESSION-IGNITION ENGINE

20240247621

2024-07-25

PRODUCTION PROCESS FOR HYDROGEN-ENRICHED SLUSH LNG FUEL AND DEVICE

20240183319

2024-06-06

DUAL FUEL LOCKOUT SWITCH FOR GENERATOR ENGINE

20240003306

2024-01-04

Method and device for the use of biodiesel in internal combustion engines with diesel cycle

#10

20230340932

2023-10-26

Supplemental fuel system for compression-ignition engine

#11

20230235707

2023-07-27

Dual fuel lockout switch for generator engine

#12

20230184180

2023-06-15

Vaporizing methanol using exhaust gas and an electrical heating component

#13

20230175430

2023-06-08

Dual fuel injection system for optimizing fuel usage and minimizing slip for diesel and gasoline engines

#14

20230101065

2023-03-30

Supplemental fuel system for compression-ignition engine

#15

20230072707

2023-03-09

Engine

#16

20230070025

2023-03-09

Supplemental fuel system for compression-ignition engine

#17

20230068586

2023-03-02

Supplemental fuel system for compression-ignition engine

#18

20230068444

2023-03-02

Supplemental fuel system for compression-ignition engine

#19

20230064208

2023-03-02

Supplemental fuel system for compression-ignition engine

#20

20230064061

2023-03-02

Supplemental fuel system for compression-ignition engine

#21

20230023142

2023-01-26

Dual fuel generator with remote regulator

#22

20220260005

2022-08-18

Dual fuel injection system for optimizing fuel usage and minimizing slip for diesel and gasoline engines

#23

20220120226

2022-04-21

Engine

#24

20210180528

2021-06-17

Engine

#25

20210108556

2021-04-15

Dual fuel injection system for optimizing fuel usage and minimizing slip for diesel engines

#26

20200173379

2020-06-04

Off-board fuel regulator for generator engine

#27

20190390616

2019-12-26

Fuel blending system and method

#28

20190277189

2019-09-12

Dual fuel injection system for optimizing fuel usage and minimizing slip for diesel engines

#29

20190242306

2019-08-08

Engine

#30

20190120149

2019-04-25

Dual-fuel fuel injection system for an internal combustion engine

#31

20190078519

2019-03-14

Off-board fuel regulator for generator engine

#32

20190072062

2019-03-07

Method and apparatus for modifying an OEM fuel system for bi-fuel use

#33

20180252150

2018-09-06

Method for regulating an internal combustion engine

#34

20180187612

2018-07-05

Control method and control device for internal combustion engine

#35

20170037789

2017-02-09

Dynamic variable fuel optimization system

#36

20160363058

2016-12-15

Dual fuel lockout switch for generator engine

#37

20160298556

2016-10-13

System and method for supplying natural gas to dual fuel engine

#38

20160281615

2016-09-29

Method and systems for a multi-fuel engine

#39

20160237921

2016-08-18

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

#40

20160047323

2016-02-18

Exhaust gas control device of gas engine

#41

20160010574

2016-01-14

Control system and method

#42

20150308356

2015-10-29

Bi-fuel engine

#43

20150053304

2015-02-26

Dynamic variable fuel optimization system

#44

20140174404

2014-06-26

Fuel system

#45

20140116523

2014-05-01

Fuel system having dual fuel pressure regulator

#46

20130213363

2013-08-22

Method for operating an auto-ignition internal combustion engine

#47

20130104997

2013-05-02

Method and system for controlling fluid flow from a storage tank through a supply line to an end user

#48

20090205606

2009-08-20

Operating method and fuel supply system for an internal combustion engine

#49

18732686

2025-05-13

Multi-function fuel injector valve in dual fuel system and fuel system operating method

#50

18630414

2025-11-11

Fluid booster system

#51

18323897

2024-02-13

Two stage mixed fuel sensing system

#52

18130748

2024-04-09

Fluid booster system

#53

17523005

2023-04-04

Fuel booster system

#54

17410665

2021-12-14

Fuel booster system

#55

15688174

2018-10-09

Gasoline Reid Vapor Pressure detection with brushless fuel pump