Patents-Review.com
ClassID:

138629 ⎘

F02B23/0672 - CPC Classification

Classification description:

Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition the combustion space being arranged in working piston Omega-piston bowl, i.e. the combustion space having a central projection pointing towards the cylinder head and the surrounding wall being inclined towards the cylinder center axis

Recent Application in this class:
#1
20250092817
2025-03-20

PISTON FOR DIESEL ENGINES WITH OPTIMIZED COMBUSTION CHAMBER

 #2
20230358161
2023-11-09

Stoichiometric high-temperature direct-injection compression-ignition engine

 #3
20230279803
2023-09-07

Piston, internal combustion engine, and vehicle

 #4
20230272736
2023-08-31

Piston, internal combustion engine, and vehicle

 #5
20230061825
2023-03-02

Diesel engine piston and diesel engine

 #6
20220412249
2022-12-29

Internal combustion engine and piston having piston bowl

 #7
20220065158
2022-03-03

ENGINE WITH COMBUSTION CHAMBER

 #8
20210239072
2021-08-05

Method for operating an internal combustion engine for a motor vehicle, and internal combustion engine for a motor vehicle

 #9
20210087997
2021-03-25

PISTON FOR INTERNAL COMBUSTION ENGINE

 #10
20200240332
2020-07-30

Engine system

 #11
20200165963
2020-05-28

PISTON FOR COMPRESSION-IGNITION ENGINE HAVING ANTEBOWL AND ENGINE OPERATING STRATEGY UTILIZING SAME

 #12
20200141305
2020-05-07

A PISTON FOR AN INTERNAL COMBUSTION ENGINE

 #13
20200095922
2020-03-26

DIESEL PISTON WITH RADIAL LIPS IN LOWER BOWL

 #14
20190376442
2019-12-12

DIESEL ENGINE

 #15
20190360428
2019-11-28

DIESEL ENGINE

 #16
20190360388
2019-11-28

FUEL INJECTOR AND PISTON BOWL

 #17
20190292978
2019-09-26

PISTON CROWN

 #18
20190257266
2019-08-22

COMPRESSION SELF-IGNITED INTERNAL COMBUSTION ENGINE

 #19
20190186341
2019-06-20

Piston bowl for improved combustion stability

 #20
20190153976
2019-05-23

Piston, in particular for an HPDI diesel/gas internal combustion engine

 #21
20190128213
2019-05-02

Piston for a cylinder for an internal combustion engine

 #22
20190032545
2019-01-31

Piston bowl for an internal combustion engine

 #23
20190003371
2019-01-03

Controlled air entrainment passage for diesel engines

 #24
20180340488
2018-11-29

Method and system for controlling engine

 #25
20180306098
2018-10-25

Stoichiometric high-temperature direct-injection compression-ignition engine

 #26
20180252151
2018-09-06

Engine

 #27
20180216570
2018-08-02

Piston for an internal combustion engine

 #28
20180179986
2018-06-28

Piston for an internal combustion engine and method for producing said piston

 #29
20180135507
2018-05-17

Power cylinder apparatus for reducing unburnt hydrocarbon emissions

 #30
20170356384
2017-12-14

Internal combustion engine

 #31
20170356383
2017-12-14

Internal combustion engine

 #32
20170350308
2017-12-07

Controlled air entrainment passage for diesel engines

 #33
20170260927
2017-09-14

Galleryless piston with cutout above pin bore

 #34
20170167459
2017-06-15

Internal combustion engine with injection of two fuel jets at different flow rates and fuel-injection method for such an engine

 #35
20170159549
2017-06-08

Combustion Chamber Structure for Diesel Engine

 #36
20170114730
2017-04-27

Method of injecting fuel into the combustion chamber of an internal-combustion engine running in single-fuel or multi-fuel mode

 #37
20170107935
2017-04-20

Direct-injection internal combustion engine with piston, and method for producing a piston of an internal combustion engine of said type

 #38
20170096978
2017-04-06

Compression engine with direct fuel injection with compression ignition comprising means for cooling the piston

 #39
20160348571
2016-12-01

Combustion system for gaseous fueled internal combustion engine

 #40
20160341106
2016-11-24

Direct fuel injection combustion engine and more particularly a compression-ignition engine with a low compression ratio

 #41
20160333819
2016-11-17

Control device for compression-ignited internal combustion engine

 #42
20160265418
2016-09-15

Compression-ignition direct-injection combustion engine and fuel injection method for same

 #43
20160208735
2016-07-21

Complex-shaped forged piston oil galleries

 #44
20160169185
2016-06-16

Internal combustion engine

 #45
20160102629
2016-04-14

Cylinder head for an auto-ignition engine with direct injection

 #46
20160090938
2016-03-31

Internal combustion engine cylinder flow deflector

 #47
20160084148
2016-03-24

Direct injection diesel engine

 #48
20160053702
2016-02-25

Heat release rate waveform generating device and combustion state diagnostic system for internal combustion engine

 #49
20150354519
2015-12-10

Diesel engine

 #50
20150354439
2015-12-10

Combustion chamber structure for diesel engine

 #51
20150292391
2015-10-15

Engine combustion control via fuel reactivity stratification

 #52
20150285139
2015-10-08

Stoichiometric high-temperature direct-injection compression-ignition engine

 #53
20150275820
2015-10-01

Diesel piston with semi-hemispherical crown

 #54
20150128899
2015-05-14

Piston having combustion bowl shaped to balance combustion efficiency and emission properties

 #55
20150020767
2015-01-22

Piston, engine and operating method for reduced production of particulate matter

 #56
20140230775
2014-08-21

Piston for an internal combustion engine

 #57
20140102406
2014-04-17

Engine combustion control via fuel reactivity stratification

 #58
20140060479
2014-03-06

Two-stage precombustion chamber for large bore gas engines

 #59
20140032081
2014-01-30

Dual Mode Engine Using Two or More Fuels and Method for Operating Such Engine

 #60
20140032080
2014-01-30

Reactivity Controlled Compression Ignition Engine with Intake Cooling Operating on a Miller Cycle and Method

 #61
20140026873
2014-01-30

Variable Miller Cycle for Reactivity Controlled Compression Ignition Engine and Method

 #62
20140026849
2014-01-30

Internal combustion engine

 #63
20130239925
2013-09-19

Piston having combustion bowl shaped to balance combustion efficiency and emission properties

 #64
20130199498
2013-08-08

Self-igniting internal combustion engine having piston recesses having swirl steps

 #65
20130092123
2013-04-18

Combustion system for an engine having multiple fuel spray induced vortices

 #66
20130087123
2013-04-11

DIESEL-GASOLINE HYBRID ENGINE

 #67
20130036998
2013-02-14

Direct injection diesel engines

 #68
20130024097
2013-01-24

COMBUSTION CONTROL APPARATUS FOR INTERNAL COMBUSTION ENGINE

 #69
20130019838
2013-01-24

Diesel engine piston

 #70
20120260887
2012-10-18

Combustion control device

 #71
20120192828
2012-08-02

Multi-part piston for an internal combustion engine and method for the production thereof

 #72
20120037118
2012-02-16

Combustion chamber for diesel engines with inclined engine valves

 #73
20120037112
2012-02-16

Steel piston with cooling gallery and method of construction thereof

 #74
20120016571
2012-01-19

Control apparatus of internal combustion engine

 #75
20110271931
2011-11-10

Piston bowl with flat bottom

 #76
20110253096
2011-10-20

Piston having combustion bowl shaped to balance combustion efficiency and emission properties

 #77
20110239983
2011-10-06

Engine having fuel injection induced combustion chamber mixing

 #78
20110192367
2011-08-11

Engine combustion control via fuel reactivity stratification

 #79
20110155091
2011-06-30

INLAY PART FOR A PISTON OF AN INTERNAL COMBUSTION ENGINE AND PISTON OR PISTON HEAD PROVIDED WITH THE INLAY PART

 #80
20110146613
2011-06-23

Piston for internal combustion engine

 #81
20110114059
2011-05-19

METHODS OF OPTIMIZING COMBUSTION IN A COMBUSTION CHAMBER

 #82
20110094470
2011-04-28

Combustion engine combustion chamber

 #83
20110048364
2011-03-03

Combustion chamber for a supercharged direct-injection combustion engine

 #84
20110041794
2011-02-24

Combustion chamber for a direct-injection supercharged combustion engine

 #85
20110011365
2011-01-20

DISSMETRICAL COMBUSTION CHAMBER FOR THERMAL ENGINE

 #86
20100307450
2010-12-09

Fuel injection method for a direct-injection auto-ignition internal-combustion engine

 #87
20100258077
2010-10-14

Diesel engine

 #88
20100206263
2010-08-19

Direct-injection type engine

 #89
20100192909
2010-08-05

Compression ignition internal combustion engine, glow plug, and injector

 #90
20100147260
2010-06-17

Direct fuel-injection engine

 #91
20100122686
2010-05-20

Diesel engine

 #92
20100108044
2010-05-06

Combustion Chamber with Double Convex Surfaces and Double Concave Surfaces

 #93
20100071653
2010-03-25

Internal combustion engine with high squish piston

 #94
20100065017
2010-03-18

Combustion system for vehicle

 #95
20100050861
2010-03-04

Piston with a skirt having oil flow slots and method of construction thereof

 #96
20100037765
2010-02-18

METHOD FOR THE PRODUCTION OF A PISTON OF AN INTERNAL COMBUSTION ENGINE IN ORDER TO FORM A REINFORCEMENT OF A COMBUSTION CHAMBER CAVITY OF THE PISTON

 #97
20090255499
2009-10-15

Surface ignition mechanism for diesel engines

 #98
20090217905
2009-09-03

DIRECT INJECTION TYPE OF DIESEL ENGINE

 #99
20090205607
2009-08-20

INTERNAL COMBUSTION ENGINE INCLUDING A PISTON WITH A GEOMETRICALLY-COMPLEX BOSS

 #100
20090188481
2009-07-30

SQUISH-INDUCED MIXING-INTENSIFIED LOW EMISSIONS COMBUSTION PISTON FOR INTERNAL COMBUSTION ENGINES

 #101
20090159041
2009-06-25

Intake port structure for engine

 #102
20090145394
2009-06-11

Piston assembly and connecting rod having a profiled wrist pin bore therefor

 #103
20090114185
2009-05-07

Internal-combustion engine, notably of direct injection type, with a piston provided with a bowl comprising a teat

 #104
20090039605
2009-02-12

LARGE-BORE, MEDIUM-SPEED DIESEL ENGINE HAVING PISTON CROWN BOWL WITH ACUTE RE-ENTRANT ANGLE

 #105
20090025697
2009-01-29

Four-cycle engine

 #106
20090025681
2009-01-29

Direct Injection Diesel Engine

 #107
20090025675
2009-01-29

Combustion chamber structure for direct injection diesel engine

 #108
20090020098
2009-01-22

Fuel injection control method for an internal-combustion engine and engine using the same

 #109
20090012698
2009-01-08

Gas-fueled internal combustion engine and control method for gas-fueled internal combustion engine

 #110
20080314360
2008-12-25

Premix Combustion Methods, Devices and Engines Using the Same

 #111
20080221780
2008-09-11

Diesel engine control device

 #112
20080177457
2008-07-24

Diesel engine

 #113
20080156293
2008-07-03

Method for operating a diesel engine in a homogeneous charge compression ignition combustion mode under idle and light-load operating conditions

 #114
20080156081
2008-07-03

Method and apparatus to determine magnitude of combustion chamber deposits

 #115
20080110335
2008-05-15

Method of making a piston

 #116
20080000459
2008-01-03

Device and method for assisting injection and ignition of fuel of cylinder injection internal combustion engine

 #117
20070246003
2007-10-25

Injector for diesel engine

 #118
20070199538
2007-08-30

Shape of combustion chamber for direct-injection diesel engine

 #119
20070169742
2007-07-26

Method for operating an internal combustion engine

 #120
20070169741
2007-07-26

Internal combustion engine and operating method therefor

 #121
20070163535
2007-07-19

Fuel injection method for internal-combustion engine, notably of direct injection type, comprising a piston provided with a bowl and a teat

 #122
20070151541
2007-07-05

Combustion bowl in the crown of a piston for a diesel engine

 #123
20070107695
2007-05-17

Method and apparatus to determine magnitude of combustion chamber deposits

 #124
20070107692
2007-05-17

Method and apparatus to operate a homogeneous charge compression-ignition engine

 #125
20070023005
2007-02-01

Method for operating an internal combustion engine

 #126
20060261193
2006-11-23

Injector double row cluster configuration for reduced soot emissions

 #127
20060243131
2006-11-02

Piston for combustion engine

 #128
20060191508
2006-08-31

Internal engine piston and its production method

 #129
20060124103
2006-06-15

Direct injection diesel engine

 #130
20060123788
2006-06-15

Turbo charged diesel-type piston engine and method for controlling such an engine

 #131
20060123787
2006-06-15

Turbochanger system for internal combustion engine comprising two compressor stages of the radial type provided with compressor wheels having backswept blades

 #132
20060123785
2006-06-15

Turbo compressor system for an internal combustion engine comprising a compressor of radial type and provided with an impeller with backswept blades

 #133
20060123781
2006-06-15

Diesel-type piston engine and a method for controlling a diesel-type piston engine

 #134
20060107914
2006-05-25

Electro-hydraulic lost-motion valve train

 #135
20060090726
2006-05-04

Double bowl piston

 #136
20060070603
2006-04-06

Internal combustion engine producing low emissions

 #137
20060011179
2006-01-19

Method of regulating an internal combustion engine

 #138
20050279321
2005-12-22

Method of injecting a gaseous fuel into an internal combustion engine

 #139
20050224606
2005-10-13

Apparatus and method for mode-switching fuel injector nozzle

 #140
20050224605
2005-10-13

Apparatus and method for mode-switching fuel injector nozzle

 #141
20050172929
2005-08-11

Dual zone combustion chamber

 #142
20050172926
2005-08-11

Large-bore, medium-speed diesel engine having piston crown bowl with acute re-entrant angle

 #143
20050115538
2005-06-02

Direct injection diesel engine

 #144
20050115537
2005-06-02

Combustion chamber

 #145
20050092279
2005-05-05

Engine piston and manufacture

 #146
20050081819
2005-04-21

Piston structure of engine

 #147
20050066929
2005-03-31

Combustion chamber with one concave surface and three convex surfaces