Patents-Review.com
ClassID:

139437 ⎘

F02D15/00 - CPC Classification

Classification description:

Varying compression ratio

Sub-classes:
Recent Application in this class:
#1
20250172101
2025-05-29

CONTROL SYSTEM FOR AN INTERNAL COMBUSTION ENGINE, INTERNAL COMBUSTION ENGINE SYSTEM, AND METHOD FOR CONTROLLING INTERNAL COMBUSTION ENGINE

 #2
20240093651
2024-03-21

Internal combustion engine control device and internal combustion engine control method

 #3
20230383705
2023-11-30

Adaptive any-fuel camless reciprocating engine

 #4
20230167777
2023-06-01

Methods and systems for reducing hydrocarbon breakthrough

 #5
20220170423
2022-06-02

ADAPTIVE ANY-FUEL CAMLESS RECIPROCATING ENGINE

 #6
20220136449
2022-05-05

Upspeeded operation of alcohol-enabled gasoline engines

 #7
20220112848
2022-04-14

Actuation assembly for phaser system

 #8
20220106916
2022-04-07

Cranktrain phase adjuster for variable compression ratio

 #9
20210310456
2021-10-07

Control device for engine

 #10
20210206366
2021-07-08

Control method and control device for hybrid vehicle

 #11
20210040881
2021-02-11

Engine system

 #12
20210010443
2021-01-14

Piston for internal combustion engine having a target, and internal combustion engine comprising such a piston

 #13
20210003087
2021-01-07

Adaptive any-fuel camless reciprocating engine

 #14
20200408165
2020-12-31

Control method and control device for internal combustion engine

 #15
20200362775
2020-11-19

Upspeeded operation of alcohol-enabled gasoline engines

 #16
20200362773
2020-11-19

Control method for internal combustion engine, and control system for internal combustion engine

 #17
20200318561
2020-10-08

Full working condition passage-separated and time-separated supercharged intake internal combustion engine variable compression ratio technology

 #18
20200300183
2020-09-24

Marine engine

 #19
20200191087
2020-06-18

Premixed compression ignition type engine with supercharging system

 #20
20200123973
2020-04-23

Method for variable displacement engine

 #21
20200072133
2020-03-05

CAM ROTARY ENGINE POWER SYSTEM OF INTERNAL COMBUSTION TYPE

 #22
20200056553
2020-02-20

Control device for internal combustion engine

 #23
20200049192
2020-02-13

ECCENTRIC MEMBER AND A V-TYPE INTERNAL COMBUSTION ENGINE

 #24
20200011254
2020-01-09

Device for controlling the compression rate of a variable compression ratio engine, comprising a two-way solenoid valve provided with a secondary circuit for fluid refilling

 #25
20190345872
2019-11-14

Reciprocating piston machine and method and device for diagnosing and/or controlling a reciprocating piston machine

 #26
20190316530
2019-10-17

System and method for variable compression ratio engine

 #27
20190257252
2019-08-22

Display device

 #28
20190226443
2019-07-25

Internal combustion engine control device

 #29
20190128212
2019-05-02

Engine with a piston heating system and method for operation thereof

 #30
20190120147
2019-04-25

System and method for variable compression ratio engine

 #31
20190024579
2019-01-24

Method for producing a unit consisting of eccentric rod and piston of a connecting rod of an internal combustion engine

 #32
20190010862
2019-01-10

Control device of engine and control method of engine

 #33
20190003405
2019-01-03

Internal combustion engine with improved efficiency

 #34
20180362014
2018-12-20

Adaptive power supply for electric cars

 #35
20180328273
2018-11-15

Variable compression ratio engine

 #36
20180265071
2018-09-20

Variable compression ratio engine

 #37
20180258845
2018-09-13

Homogeneous charge compression ignition linear generator

 #38
20180209354
2018-07-26

Variable compression ratio internal combustion engine

 #39
20180180013
2018-06-28

Cold start strategy and system for gasoline direct injection compression ignition engine

 #40
20180094594
2018-04-05

Reducing unburned hydrocarbon emissions in gaseous fueled lean-burn engines

 #41
20180072297
2018-03-15

Vehicle control apparatus

 #42
20170321617
2017-11-09

DECEL FUEL CUT-OFF

 #43
20170284542
2017-10-05

Vehicle control device

 #44
20170159560
2017-06-08

Hypocycloidal methods and designs for increasing efficiency in engines

 #45
20170145941
2017-05-25

METHOD FOR REALIZING VARIABLE COMPRESSION RATIO AND VARIABLE AIR-FUEL RATIO OF INTERNAL COMBUSTION ENGINE

 #46
20170137022
2017-05-18

Systems and methods for detection and mitigation of liquid fuel carryover in an evaporative emissions system

 #47
20170102291
2017-04-13

Method and functional monitoring apparatus for functional monitoring of an apparatus for variable setting of a cylinder compression in a reciprocating-piston internal combustion engine

 #48
20160341154
2016-11-24

Internal combustion engine

 #49
20160333804
2016-11-17

Device and method for controlling internal combustion engine for vehicle

 #50
20160237890
2016-08-18

Internal combustion engine

 #51
20160195176
2016-07-07

ADJUSTMENT APPARATUS FOR CHANGING THE COMPRESSION RATIO IN A COMBUSTION ENGINE

 #52
20160168995
2016-06-16

Variable displacement system

 #53
20160160772
2016-06-09

Method for operating an internal combustion engine employing a dedicated-cylinder EGR system

 #54
20160146136
2016-05-26

Systems and methods for LP-EGR delivery in a variable displacement engine

 #55
20160102620
2016-04-14

Method for controlling vibrations during transitions in a variable displacement engine

 #56
20150354469
2015-12-10

Method and device for controlling an internal combustion engine with a variable compression ratio

 #57
20150204251
2015-07-23

Control device and control method for variable compression ratio internal combustion engines

 #58
20150167577
2015-06-18

System and method of controlling fuel injection droplet size in an engine having an in cylinder pressure

 #59
20150159588
2015-06-11

EGR cylinder operation in an internal combustion engine

 #60
20150152793
2015-06-04

Control device for internal combustion engine

 #61
20150134230
2015-05-14

Method and device for adjusting a volumetric efficiency and a charge density in an internal combustion engine

 #62
20150128911
2015-05-14

Internal combustion engine provided with variable compression ratio mechanism

 #63
20150114354
2015-04-30

Method and apparatus for controlling combustion of engine having mixed combustion mode

 #64
20150114338
2015-04-30

INTERNAL COMBUSTION ENGINE

 #65
20150096540
2015-04-09

Variable compression ratio engine

 #66
20150046069
2015-02-12

Minimizing alcohol use in high efficiency alcohol boosted gasoline engines

 #67
20150040876
2015-02-12

Early exhaust valve opening for improved catalyst light off

 #68
20150039205
2015-02-05

Method for operating a forced-induction internal combustion engine with variable compression

 #69
20140290625
2014-10-02

Variable compression ratio internal combustion engine

 #70
20140283778
2014-09-25

Fuel composition

 #71
20140261336
2014-09-18

Internal-combustion engine control device and control method

 #72
20140222319
2014-08-07

Minimizing alcohol use in high efficiency alcohol boosted gasoline engines

 #73
20140102405
2014-04-17

Internal combustion engine which can be operated with liquid and with gaseous fuel and a method for operating an internal combustion engine of this kind

 #74
20140095050
2014-04-03

Hybrid drive train, hybrid vehicle, and operating method

 #75
20140041638
2014-02-13

DRIVE CONTROL SYSTEM

 #76
20140025277
2014-01-23

Control system for multi-fuel internal combustion engine

 #77
20130276759
2013-10-24

Internal combustion engine with partial deactivation and method for the operation of an internal combustion engine of said type

 #78
20130276755
2013-10-24

Auto-ignition internal combustion engine with partial deactivation and method for the operation of an internal combustion engine of said type

 #79
20130269658
2013-10-17

VARIABLE STROKE ASSEMBLY

 #80
20130220279
2013-08-29

Variable compression ratio systems for opposed-piston and other internal combustion engines, and related methods of manufacture and use

 #81
20130160729
2013-06-27

Compression-ignition low octane gasoline engine

 #82
20130152901
2013-06-20

Multi-cylinder spark ignition engine

 #83
20130118428
2013-05-16

Valve opening and closing control apparatus

 #84
20130055990
2013-03-07

Variable compression ratio engine control apparatus

 #85
20120330534
2012-12-27

ENHANCED EFFICIENCY AND POLLUTANT CONTROL BY MULTI-VARIABLE ENGINE OPERATION CONTROL

 #86
20120290189
2012-11-15

Compression ratio determination and control systems and methods

 #87
20120279471
2012-11-08

SPARK IGNITION FOUR-STROKE CYCLE ENGINE

 #88
20120271533
2012-10-25

Spark-ignition engine and method of controlling the spark-ignition engine

 #89
20120247425
2012-10-04

METHOD AND APPARATUS FOR A HIGH FLOW CYLINDER HEAD FOR INTERNAL COMBUSTION ENGINES

 #90
20120192834
2012-08-02

COMBUSTION METHOD AND APPARATUS

 #91
20120186221
2012-07-26

Internal combustion engine

 #92
20120158273
2012-06-21

Multi-mode high efficiency internal combustion engine

 #93
20120158272
2012-06-21

Method and system for controlling fuel usage

 #94
20120090291
2012-04-19

INTERNAL COMBUSTION ENGINE

 #95
20120085302
2012-04-12

Variable compression ratio systems for opposed-piston and other internal combustion engines, and related methods of manufacture and use

 #96
20120035816
2012-02-09

Vehicle control apparatus

 #97
20120031379
2012-02-09

Horizontally opposed center fired engine

 #98
20120012087
2012-01-19

Fuel composition

 #99
20110315101
2011-12-29

Method and device for improving charged engines

 #100
20110290217
2011-12-01

Engine system control device

 #101
20110271925
2011-11-10

Fuel composition

 #102
20110259290
2011-10-27

Ammonia burning internal combustion engine

 #103
20110239986
2011-10-06

Spark-ignition engine control method and system

 #104
20110220058
2011-09-15

Over-compressed engine

 #105
20110197853
2011-08-18

Waste heat controller

 #106
20110180047
2011-07-28

Method and apparatus for controlling supercharged engine

 #107
20110174268
2011-07-21

Method and system for controlling fuel usage

 #108
20110120416
2011-05-26

MULTI-FUEL DIESEL INTERNAL COMBUSTION ENGINE

 #109
20110114069
2011-05-19

APPARATUS, SYSTEM AND METHOD FOR OPERATING AN OXYGEN-ENRICHED AMMONIA-FUELED SPARK IGNITION ENGINE

 #110
20110093186
2011-04-21

Control apparatus for internal combustion engine

 #111
20110005497
2011-01-13

ENGINE CONTROL SYSTEM

 #112
20100300417
2010-12-02

INTERNAL COMBUSTION ENGINE HAVING A TRANSITIONALLY SEGREGATED COMBUSTION CHAMBER

 #113
20100242900
2010-09-30

Control of direct fuel injection engine

 #114
20100192919
2010-08-05

Spark ignition type internal combustion engine

 #115
20100065016
2010-03-18

Minimizing alcohol use in high efficiency alcohol boosted gasoline engines

 #116
20100049420
2010-02-25

Active compression ratio modulation through intake valve phasing and knock sensor feedback

 #117
20090125209
2009-05-14

Process and system for controlling effective compression ratios in an engine cylinder

 #118
20090043479
2009-02-12

Internal combustion engine

 #119
20090007877
2009-01-08

Systems and Methods to Control Torsional Vibration in an Internal Combustion Engine with Cylinder Deactivation

 #120
20080257304
2008-10-23

INTERNAL COMBUSTION ENGINE AND COMBUSTION METHOD OF THE SAME

 #121
20080236546
2008-10-02

Combustion control system for internal combustion engine

 #122
20080092861
2008-04-24

Exhaust gas recirculation in a homogeneous charge compression ignition engine

 #123
20080087257
2008-04-17

Internal combustion engine with shared holding tank in cylinder head for elevated expansion ratio

 #124
20080035105
2008-02-14

Internal combustion engine with single-port holding tank for elevated expansion ratio

 #125
20080006252
2008-01-10

METHOD FOR OPERATING AN INTERNAL COMBUSTION ENGINE USING DIFFERENT FUEL TYPES

 #126
20070266990
2007-11-22

Variable compression engine

 #127
20070255487
2007-11-01

Engine control device and control method

 #128
20070246007
2007-10-25

Engine valve assembly having holding tank with return valve and discharge valve in the valve assembly

 #129
20070062484
2007-03-22

System and method for engine operation with spark assisted compression ignition

 #130
20060225693
2006-10-12

Method for operating an internal combustion engine

 #131
20050268886
2005-12-08

Engine control device and control method

 #132
20050251999
2005-11-17

Method of converting diesel engine to natural gas engine

 #133
20050061295
2005-03-24

Internal combustion engine of premixed charge compression self-ignition type

 #134
17664404
2023-03-28

Compression ratio methods and systems for particulate filter regeneration

 #135
14078072
2017-02-21

Methods and designs for increasing efficiency in engines