ClassID:

138820

F02B47/06 - 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 the substances being other than water or steam only the substances including non-airborne oxygen

Recent Application in this class:
#1
20250305443
2025-10-02

SYSTEM AND METHOD FOR USING CONCENTRATED OXYGEN FOR GAS INTAKE INTO AN INTERNAL COMBUSTION ENGINE

#2
20250214065
2025-07-03

CATALYST FOR HYDROCARBON FUEL EMISSION AND FUEL USAGE REDUCTION

#3
20220372936
2022-11-24

Method for process-integrated oxygen supply of a hydrogen circulation engine comprising recirculation of a noble gas

#4
20200131984
2020-04-30

Operation of internal combustion engine with improved fuel efficiency

#5
20200116090
2020-04-16

VEHICLE OXYGEN-ENRICHED CABIN AIR SYSTEM

#6
20190383241
2019-12-19

Fuel-saving device

#7
20190218965
2019-07-18

Fluid delivery port of an integral cylinder head

#8
20180334997
2018-11-22

Gas supply device for internal combustion engine and control method for the same

#9
20180298813
2018-10-18

Method for operating an internal combustion engine with a gas mixture supplied to the combustion air and produced by water electrolysis, and assembly and electrolysis device for carrying out said method

#10
20170051685
2017-02-23

Engine systems and methods of operating an engine

#11
20170030304
2017-02-02

Arrangement and process for carrying out an intensified combustion

#12
20150330299
2015-11-19

INTERNAL-COMBUSTION ENGINE

#13
20150285135
2015-10-08

COMBUSTION ENGINE INCLUDING AN AIR INJECTOR, AND POWER GENERATING SYSTEM INCLUDING THE COMBUSTION ENGINE

#14
20150198085
2015-07-16

Oxygenate compound synthesis device, systems including the device, and methods of using the same

#15
20150144095
2015-05-28

Gasoline direct-injection engine

#16
20150144086
2015-05-28

Method for auto-adding energy-saving activator and apparatus for the same

#17
20130037003
2013-02-14

METHOD AND SYSTEM FOR CONTROLLING COMBUSTION IN A DIESEL ENGINE

#18
20120067326
2012-03-22

Internal combustion engine with high efficiency

#19
20120060493
2012-03-15

Hybrid combustion energy conversion engines

#20
20100229807
2010-09-16

FUEL CONSUMPTION REDUCTION APPARATUS

#21
20100147232
2010-06-17

SYSTEM AND METHOD FOR IMPROVING FUEL ECONOMY IN COMBUSTION ENGINES

#22
20100050982
2010-03-04

Fuel supply control apparatus

#23
20090283059
2009-11-19

Enhanced oxygen pressure engine

#24
20080302670
2008-12-11

Hydrogen Generator

#25
20080288158
2008-11-20

Control for knock suppression fluid separator in a motor vehicle

#26
20080202454
2008-08-28

Split-cycle engine with water injection

#27
20070215069
2007-09-20

Control for knock suppression fluid separator in a motor vehicle

#28
20070107676
2007-05-17

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

#29
20060231075
2006-10-19

Fuel pump system with precision variable restrictor

#30
20050081800
2005-04-21

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

#31
18201479
2024-01-16

System for delivering oxygen to an internal combustion engine of a vehicle