ClassID:

139486

F02D19/0676 - 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 Multi-way valves; Switch-over valves

Recent Application in this class:
#1
20260036095
2026-02-05

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

#2
20260015981
2026-01-15

MULTIFUNCTIONAL SWITCH BASE ASSEMBLY AND CONTROL METHOD THEREOF

#3
20250163860
2025-05-22

DUAL FUEL SELECTOR SWITCH

#4
20250154913
2025-05-15

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

#5
20250154912
2025-05-15

DUAL FUEL SELECTOR SWITCH

#6
20250130603
2025-04-24

DIFFERENTIAL PRESSURE REGULATOR

#7
20240183321
2024-06-06

DUAL FUEL SELECTOR SWITCH

#8
20230313747
2023-10-05

Dual fuel selector switch

#9
20230143603
2023-05-11

Multi-fuel switching device

#10
20220170421
2022-06-02

Dual fuel selector switch

#11
20210123401
2021-04-29

Integrated fuel filter device for vehicle

#12
20210087982
2021-03-25

Multiple fuel tank purge system and method

#13
20200182166
2020-06-11

Dual fuel selector switch

#14
20190316553
2019-10-17

Diesel power generation system using biofuel

#15
20190153965
2019-05-23

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

#16
20180252173
2018-09-06

Alternate fueling systems and associated methods

#17
20170159582
2017-06-08

Recirculating system for a fuel supply system for a motor and method for supplying fuel to a motor of a vehicle through such a supply system

#18
20170009670
2017-01-12

Dual fuel system for a combustion engine

#19
20160146122
2016-05-26

Dual fuel selector switch

#20
20160102618
2016-04-14

Alternate fuel blending systems and associated methods

#21
20150308356
2015-10-29

Bi-fuel engine

#22
20150240763
2015-08-27

Fuel interface modules and related systems and methods

#23
20150122230
2015-05-07

Dual fuel selector switch

#24
20150107677
2015-04-23

Fuel supply apparatus and fuel supply method

#25
20130304360
2013-11-14

Fuel control system and associated method

#26
20130233284
2013-09-12

High-pressure fuel pump for an internal combustion engine with direct injection

#27
20120312280
2012-12-13

Fuel supply system and high-pressure pump for combustion engine

#28
20120291752
2012-11-22

Quill assembly for a dual fuel common rail fuel system

#29
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

#30
20120198911
2012-08-09

Method and device for identifying the fuel quality in a fuel tank of an internal combustion engine

#31
20110290203
2011-12-01

Approach for controlling fuel flow with alternative fuels

#32
20110272045
2011-11-10

Fuel interface modules and related systems and methods

#33
20110232601
2011-09-29

COMPRESSION IGNITION ENGINE WITH BLENDED FUEL INJECTION

#34
20110168137
2011-07-14

Fuel supply apparatus and fuel supply method

#35
20110168133
2011-07-14

Approach for controlling fuel flow with alternative fuels

#36
20110108004
2011-05-12

Dual fuel connector

#37
20110029219
2011-02-03

Alternate fuel blending system and associated method

#38
20110000549
2011-01-06

FUEL SUPPLY APPARATUS AND FUEL SUPPLY METHOD

#39
20100224141
2010-09-09

INTERNAL COMBUSTION ENGINE

#40
20100218734
2010-09-02

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

#41
20100161200
2010-06-24

Fuel control system and associated method

#42
20100155322
2010-06-24

Vehicle mounted fuel separation apparatus

#43
20100155315
2010-06-24

Vehicle-mounted fuel separation system

#44
20100126468
2010-05-27

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

#45
20100063712
2010-03-11

SINGLE NOZZLE DIRECT INJECTION SYSTEM FOR RAPIDLY VARIABLE GASOLINE/ANTI-KNOCK AGENT MIXTURES

#46
20100024780
2010-02-04

Fuel delivery system for multi-fuel engine

#47
20100024772
2010-02-04

Fuel system for multi-fuel engine

#48
20100024771
2010-02-04

FUEL DELIVERY SYSTEM FOR MULTI-FUEL ENGINE

#49
20100010725
2010-01-14

Multifuel internal combustion engine and combustion controlling method thereof

#50
20090320786
2009-12-31

Dual fuel system

#51
20090314262
2009-12-24

FUEL SUPPLY DEVICE FOR A DIESEL ENGINE AND METHOD FOR OPERATING A FUEL SUPPLY DEVICE FOR A DIESEL ENGINE

#52
20090283078
2009-11-19

Control apparatus and control method for internal combustion engine

#53
20090248275
2009-10-01

Fuel supply system and method for supplying fuel

#54
20090235896
2009-09-24

Diesel cycle internal combustion engine

#55
20090150050
2009-06-11

FUEL INJECTOR AND FUEL INJECTION DEVICE HAVING SAME

#56
20080262701
2008-10-23

Alternate fuel blending system and associated method

#57
20080257301
2008-10-23

Power plant and fuel supply method therefor

#58
20080210207
2008-09-04

Engine system for multi-fluid operation

#59
20080072881
2008-03-27

Purge system for ethanol direct injection plus gas port fuel injection

#60
20080060626
2008-03-13

Fuel selection device

#61
20070295307
2007-12-27

System and method for engine with fuel vapor purging

#62
20070240687
2007-10-18

Fuel control system and associated method

#63
20070137591
2007-06-21

Engine operated generator

#64
20070119424
2007-05-31

Purge system for ethanol direct injection plus gas port fuel injection

#65
20070119416
2007-05-31

Engine system for multi-fluid operation

#66
20070119411
2007-05-31

System and method for engine with fuel vapor purging

#67
20060185734
2006-08-24

Multiway valve arrangement

#68
20060081223
2006-04-20

Heat exchanger module

#69
20050072384
2005-04-07

Duel fuel selection and blending injectors on internal combustion engines

#70
20050011501
2005-01-20

Multi-phase fuel system

#71
18788520
2025-07-15

Dual fuel system having overflow buffer for hastening fuel switchover