ClassID:

138878

F02B69/02 - CPC Classification

Classification description:

Internal-combustion engines convertible into other combustion-engine type, not provided for in ; Internal-combustion engines of different types characterised by constructions facilitating use of same main engine-parts in different types for different fuel types, other than engines indifferent to fuel consumed, e.g. convertible from light to heavy fuel

Sub-classes:
Recent Application in this class:
#1
20230243296
2023-08-03

Dual-fuel intelligent combustion system and control method thereof

#2
20220120213
2022-04-21

Fuel source adapter for combustion engines

#3
20210189953
2021-06-24

INTERNAL COMBUSTION ENGINE

#4
20200123973
2020-04-23

Method for variable displacement engine

#5
20190323424
2019-10-24

FLEXIBLE FUEL GENERATOR AND METHODS OF USE THEREOF

#6
20190249597
2019-08-15

Internal combustion engine

#7
20160258387
2016-09-08

Flex fuel field generator

#8
20150322884
2015-11-12

Preformed article for cylinder head, cylinder head, and method for manufacturing cylinder head

#9
20150034045
2015-02-05

Engine combustion control at low loads via fuel reactivity stratification

#10
20150034025
2015-02-05

Flexible fuel generator and methods of use thereof

#11
20130168969
2013-07-04

Flex fuel field generator

#12
20130152908
2013-06-20

Diesel-gasoline dual fuel powered combustion engine system provided with spark-assisted fouling free EGR system

#13
20130118449
2013-05-16

System and method for circulating fuel through a direct injection pump of a bi-fuel engine

#14
20120247421
2012-10-04

Engine combustion control at low loads via fuel reactivity stratification

#15
20110139111
2011-06-16

METHOD FOR CONVERSION OF AN AIRCRAFT SPARK-IGNITION ENGINE AND AIRCRAFT ENGINE

#16
20100326401
2010-12-30

Two mode dual crankshaft engine

#17
20100326379
2010-12-30

Narrow profile horizontally-opposed engine

#18
20100251993
2010-10-07

BI-FUEL INTERNAL COMBUSTION ENGINE

#19
20090320789
2009-12-31

Multi fuel co-injection system for internal combustion and turbine engines

#20
20090194081
2009-08-06

MULTIFUEL INTERNAL COMBUSTION ENGINE

#21
20080041335
2008-02-21

Method and operation of an engine

#22
20080022982
2008-01-31

Variable Compression Ratio Internal Combustion Engine

#23
20070283908
2007-12-13

Tse's internal combustion engine

#24
20070245992
2007-10-25

Variable Displacement/Compression Engine

#25
20070034186
2007-02-15

Variable displacement/compression engine

#26
20060239839
2006-10-26

Universal hybrid engine, compressor and pump, and method of operation

#27
20060219212
2006-10-05

Method for operating an internal combustion engine

#28
20060081223
2006-04-20

Heat exchanger module

#29
20050284444
2005-12-29

Asymmetrical thermodynamic cycle and engine to implement it

#30
20050273246
2005-12-08

Bi-fuel converter device for automobiles and internal combustion engines

#31
20050039733
2005-02-24

Engine operation on an unknown ethanol fuel blend

#32
16015305
2020-12-29

Spark-ignited internal combustion engine modified for multi-fuel operation

#33
14826263
2018-08-28

Spark-ignited internal combustion engine modified for multi-fuel operation