F02D19/0681 - CPC Classification Index

ClassID:

139488 ⎘

F02D19/0681 - 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 Shut-off valves; Check valves; Safety valves; Pressure relief valves

Recent Application in this class:

20260092584

2026-04-02

FUEL SYSTEM FOR ENGINE

20250334093

2025-10-30

EMERGENCY FUEL SHUTOFF BATTERY FOR GAS POWERED GENERATOR

20250314211

2025-10-09

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

20250101926

2025-03-27

DUAL FUEL SYSTEM FOR ENGINE HAVING FUEL-ACTUATED FUEL PUMP AND METHOD

20250012241

2025-01-09

SUPPLEMENTAL FUEL SYSTEM FOR COMPRESSION-IGNITION ENGINE

20250012224

2025-01-09

System for remotely monitoring and controlling operation of a hydro-diesel engine

20240309821

2024-09-19

System for remotely monitoring and controlling operation of a hydro-diesel engine

20240254933

2024-08-01

Quick start fuel system for gaseous fuel internal combustion engine and method

20230340932

2023-10-26

Supplemental fuel system for compression-ignition engine

#10

20230304450

2023-09-28

Supplemental fuel system for compression-ignition engine

#11

20230193840

2023-06-22

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

#12

20230101065

2023-03-30

Supplemental fuel system for compression-ignition engine

#13

20230070025

2023-03-09

Supplemental fuel system for compression-ignition engine

#14

20230068586

2023-03-02

Supplemental fuel system for compression-ignition engine

#15

20230068444

2023-03-02

Supplemental fuel system for compression-ignition engine

#16

20230064208

2023-03-02

Supplemental fuel system for compression-ignition engine

#17

20230064061

2023-03-02

Supplemental fuel system for compression-ignition engine

#18

20220349364

2022-11-03

System and method for controlling flow in a fuel recirculation line

#19

20220298980

2022-09-22

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

#20

20220074357

2022-03-10

Control system and method for multi-fuel generator engine

#21

20210396187

2021-12-23

GAS SUPPLY SYSTEM FOR A GAS ENGINE OR DUAL-FUEL ENGINE AND METHOD FOR OPERATING THE SAME

#22

20210381447

2021-12-09

DUAL-FUEL SUPPLY SYSTEM FOR DIRECT INJECTION

#23

20210231086

2021-07-29

System and method for evacuating liquefied petroleum (LP) gas from a fuel distribution system

#24

20200400083

2020-12-24

Fuel exchange system and fuel supply system for fuel systems

#25

20200318557

2020-10-08

Fuel system for a multi-fuel internal combustion engine

#26

20200025114

2020-01-23

Fuel exchange system and fuel supply system for fuel systems

#27

20190242307

2019-08-08

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

#28

20190218980

2019-07-18

Tri fuel gen

#29

20190186387

2019-06-20

Controller with combination function for a portable internal combustion engine

#30

20190145325

2019-05-16

Multi-fuel transport refrigeration unit

#31

20180080392

2018-03-22

PORTABLE GENERATOR HAVING MULTIPLE FUEL SOURCES

#32

20170175657

2017-06-22

Starting a gaseous and pilot fueled engine

#33

20170030311

2017-02-02

Flow limiting valve, in particular for a dual fuel injection system

#34

20170022910

2017-01-26

Fuel system for a multi-fuel internal combustion engine

#35

20160265451

2016-09-15

FUEL SUPPLY DEVICE

#36

20160201580

2016-07-14

Propane fuel supplement system and method

#37

20160084172

2016-03-24

Bi-fuel system and a method for operating such a system

#38

20160061120

2016-03-03

Multi-source gaseous fuel blending manifold

#39

20160032849

2016-02-04

Method and apparatus for fuel regulation

#40

20150377184

2015-12-31

Integrated gas nozzle check valve and engine using same

#41

20150345455

2015-12-03

Vehicular liquid containment system and method for verifying integrity of same

#42

20150308356

2015-10-29

Bi-fuel engine

#43

20150285164

2015-10-08

Fuel System for an Internal Combustion Engine which can be Operated with at least Two Fuel Types

#44

20150240763

2015-08-27

Fuel interface modules and related systems and methods

#45

20140020658

2014-01-23

Diesel engine for a LPG-diesel mixture

#46

20130327298

2013-12-12

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

#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

20130014729

2013-01-17

Fuel supply control device and fuel supply system

#49

20130013256

2013-01-10

SHUT-OFF VALVE FAULT DIAGNOSIS DEVICE

#50

20130000752

2013-01-03

Shut-off valve fault diagnosis device and fuel supply system

#51

20120312280

2012-12-13

Fuel supply system and high-pressure pump for combustion engine

#52

20120266987

2012-10-25

Coupling Body for Use in a Fuel Supply System, Coupling Housing, Coupling Member, Fuel Supply System Provided with Such a Coupling Body and Vehicle Provided with Such a Fuel Supply System

#53