F02B47/00 - CPC Classification Index

ClassID:

138817 ⎘

F02B47/00 - CPC Classification

Classification description:

Methods of operating engines involving adding non-fuel substances or anti-knock agents to combustion air, fuel, or fuel-air mixtures of engines

Sub-classes:

F02B47/02 » the substances being water or steam 200
F02B47/04 » the substances being other than water or steam only 100

Recent Application in this class:

20250243799

2025-07-31

STRATIFIED NITROGEN ENRICHED AIR (NEA) STRATEGIES AND METHODS TO REDUCE NOX EMISSIONS FROM ENGINES

20250197762

2025-06-19

Lubricant Compositions For Reduced Pre-ignition In Hydrogen Fueled Engines

20250197761

2025-06-19

Lubricant Compositions Containing Magnesium Detergent For Reduced Pre-ignition In Hydrogen Fueled Engines

20250043754

2025-02-06

MOBILE DOSING UNIT

20230124996

2023-04-20

METHOD, SYSTEM AND VEHICLE FOR A CARBON NEUTRAL OR CARBON NEGATIVE VEHICLE PLATFORM

20200300186

2020-09-24

FUEL MANAGEMENT SYSTEM FOR VARIABLE ETHANOL OCTANE ENHANCEMENT OF GASOLINE ENGINES

20190309697

2019-10-10

Fuel management system for variable ethanol octane enhancement of gasoline engines

20190107080

2019-04-11

System for storing an auxiliary liquid and supplying same to an internal combustion engine

20190048811

2019-02-14

Fuel management system for variable ethanol octane enhancement of gasoline engines

#10

20180016998

2018-01-18

Fuel management system for variable ethanol octane enhancement of gasoline engines

#11

20170167436

2017-06-15

Efficient thermal energy power device and work-doing method therefor

#12

20170122200

2017-05-04

Internal combustion engine efficiency

#13

20160138529

2016-05-19

Fuel management system for variable ethanol octane enhancement of gasoline engines

#14

20150013652

2015-01-15

Method and system for prioritizing vehicle vacuum

#15

20150013631

2015-01-15

Low Molecular Weight Fuel Additive

#16

20140373811

2014-12-25

Fuel management system for variable ethanol octane enhancement of gasoline engines

#17

20140343825

2014-11-20

Fuel management system for variable ethanol octane enhancement of gasoline engines

#18

20140318507

2014-10-30

Internal combustion engine efficiency

#19

20140216395

2014-08-07

Fuel management system for variable ethanol octane enhancement of gasoline engines

#20

20140060462

2014-03-06

Internal combustion engine efficiency

#21

20140060460

2014-03-06

Internal combustion engine efficiency

#22

20130312701

2013-11-28

Fuel management system for variable ethanol octane enhancement of gasoline engines

#23

20130261937

2013-10-03

Fuel management system for variable ethanol octane enhancement of gasoline engines

#24

20130199506

2013-08-08

DUAL FUNCTION BREATHER BYPASS SYSTEM

#25

20130180241

2013-07-18

Conveying System for Oil or Gas

#26

20130019839

2013-01-24

Fuel management system for variable ethanol octane enhancement of gasoline engines

#27

20120312284

2012-12-13

FUEL MANAGEMENT SYSTEM FOR VARIABLE ETHANOL OCTANE ENHANCEMENT OF GASOLINE ENGINES

#28

20120285428

2012-11-15

Working gas circulation type engine

#29

20120237366

2012-09-20

Method and system for prioritizing vehicle vacuum

#30

20120158272

2012-06-21

Method and system for controlling fuel usage

#31

20120152204

2012-06-21

Fuel management system for variable ethanol octane enhancement of gasoline engines

#32

20120138015

2012-06-07

Fuel management system for variable ethanol octane enhancement of gasoline engines

#33

20120042857

2012-02-23

Fuel management system for variable ethanol octane enhancement of gasoline engines

#34

20110226210

2011-09-22

Fuel management system for variable ethanol octane enhancement of gasoline engines

#35

20110174268

2011-07-21

Method and system for controlling fuel usage

#36

20110118515

2011-05-19

Low molecular weight fuel additive

#37

20110030653

2011-02-10

Fuel management system for variable ethanol octane enhancement of gasoline engines

#38

20100263625

2010-10-21

Fuel management system for variable ethanol octane enhancement of gasoline engines

#39

20100236511

2010-09-23

Method and apparatus for improved internal combustion of fuel/oxidizer mixtures by nanostructure injection and electromagnetic pulse ignition

#40

20100192905

2010-08-05

System and method for tip-in knock compensation

#41

20100175659

2010-07-15

FUEL MANAGEMENT SYSTEM FOR VARIABLE ETHANOL OCTANE ENHANCEMENT OF GASOLINE ENGINES

#42

20100070156

2010-03-18

Fuel management system for variable ethanol octane enhancement of gasoline engines

#43

20090084349

2009-04-02

Fuel management system for variable ethanol octane enhancement of gasoline engines

#44

20080283023

2008-11-20

System and method for tip-in knock compensation

#45

20080110434

2008-05-15

Fuel management system for variable ethanol octane enhancement of gasoline engines

#46

20080060612

2008-03-13

Fuel management system for variable ethanol octane enhancement of gasoline engines

#47

20070119425

2007-05-31

System and method for tip-in knock compensation

#48

20070107676

2007-05-17

Method and apparatus for membrane separation of air into nitrogen and oxygen elements for use in internal combustion engines

#49

20070023002

2007-02-01

Use of engine lubricant as ignition fuel for micro-pilot ignition system of an internal combustion engine

#50

20060254131

2006-11-16

Low molecular weight fuel additive

#51

20060242894

2006-11-02

Low molecular weight fuel additive

#52

20060102146

2006-05-18

Fuel management system for variable anti-knock agent octane enhancement of gasoline engines

#53

20060102145

2006-05-18

Fuel management system for variable ethanol octane enhancement of gasoline engines

#54

20060016403

2006-01-26

Method and apparatus for liquid fuel preparation to improve combustion

#55

20050081800

2005-04-21

Method and apparatus for membrane separation of air into nitrogen and oxygen elements for use in internal combustion engines