Patents-Review.com
ClassID:

139439 ⎘

F02D15/04 - CPC Classification

Classification description:

Varying compression ratio by alteration of volume of compression space without changing piston stroke

Recent Application in this class:
#1
20250320836
2025-10-16

VARIABLE COMPRESSION RATIO DEVICE

 #2
20240141841
2024-05-02

VARIABLE COMPRESSION RATIO DEVICE

 #3
20230323825
2023-10-12

Systems and methods for variable compression ratio phaser having a dual torsion spring arrangement

 #4
20220252015
2022-08-11

Cranktrain phase adjuster for variable compression ratio

 #5
20220154652
2022-05-19

Internal combustion engine system

 #6
20220136431
2022-05-05

Variable compression ratio device

 #7
20220042467
2022-02-10

Method for providing variable compression ratio in a combustion engine and device for the method

 #8
20210355888
2021-11-18

Method and device for increased exhaust gas temperature in a diesel engine

 #9
20210254563
2021-08-19

System and method for control of compression in internal combustion engine via compression ratio and elastic piston

 #10
20210079839
2021-03-18

Crankshaft and conrod assembly

 #11
20210010416
2021-01-14

Variable-compression-ratio internal combustion engine

 #12
20200408145
2020-12-31

Wireless control of actuated valve in variable compression ratio piston

 #13
20200400082
2020-12-24

Variable compression device and engine system

 #14
20200318561
2020-10-08

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

 #15
20200291874
2020-09-17

Engine

 #16
20200182146
2020-06-11

Variable compression ratio engine

 #17
20200088117
2020-03-19

Variable Compression Ratio Engine by Hydraulic-Mechanical Mechansim

 #18
20200056537
2020-02-20

Control method for internal combustion engine and control device for internal combustion engine

 #19
20190316517
2019-10-17

Method and system for diagnosing and/or controlling a reciprocating engine having a variable compression ratio

 #20
20190301379
2019-10-03

Engine configuration for performing compression and expansion in a single cylinder

 #21
20190301362
2019-10-03

Method for providing variable compression ratio in an internal combustion engine and actuator for said method

 #22
20190226443
2019-07-25

Internal combustion engine control device

 #23
20190120148
2019-04-25

SPARK IGNITION TYPE INTERNAL COMBUSTION ENGINE

 #24
20190078499
2019-03-14

Systems and methods of compression ignition engines

 #25
20190032622
2019-01-31

Control method and control device for internal combustion engine

 #26
20190010806
2019-01-10

Control device to achieve variable compression ratio for triangle rotary engine

 #27
20180363579
2018-12-20

Engine control device

 #28
20180306071
2018-10-25

Method for a diesel engine and diesel engine

 #29
20180291777
2018-10-11

Internal combustion engine

 #30
20180245522
2018-08-30

Control device for internal combustion engine

 #31
20180195487
2018-07-12

Control device for internal combustion engine

 #32
20180179964
2018-06-28

Control device and control method of internal combustion engine

 #33
20180128201
2018-05-10

Direct injection engine controlling device

 #34
20180023487
2018-01-25

Expandable joint for variable compression ratio engines

 #35
20180023486
2018-01-25

CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE

 #36
20180016995
2018-01-18

Failure diagnosis apparatus for variable compression ratio mechanism

 #37
20170320485
2017-11-09

Method and system for engine control

 #38
20170306838
2017-10-26

Hoop spring in a pressure reactive piston

 #39
20170298845
2017-10-19

Control device and control method for internal combustion engine

 #40
20170218838
2017-08-03

VARIABLE COMPRESSION CYLINDER HEAD, CRANKSHAFT, AND PISTON ROD AND SYSTEM THEREOF

 #41
20170211488
2017-07-27

Internal combustion engine

 #42
20170130656
2017-05-11

Isobaric piston assembly

 #43
20170022909
2017-01-26

Rotary valve engine

 #44
20160376982
2016-12-29

Highly Efficient Two-Stroke Internal Combustion Hydraulic Engine with a Torquing Vane Device Incorporated

 #45
20160348595
2016-12-01

CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE AND METHOD FOR ESTIMATING COMPRESSION RATIO

 #46
20160326945
2016-11-10

Internal combustion engine with an adjustable volume induction chamber

 #47
20160319736
2016-11-03

Internal combustion engine

 #48
20160312693
2016-10-27

Hoop spring in a pressure reactive piston

 #49
20160215706
2016-07-28

Method and system for pre-ignition control

 #50
20160169148
2016-06-16

Direct injection engine controlling device

 #51
20160138441
2016-05-19

Internal combustion engine

 #52
20160102616
2016-04-14

Method for controlling transitions in a variable displacement engine

 #53
20160069280
2016-03-10

Control device for spark-ignition engine

 #54
20160061161
2016-03-03

Air supply concepts to improve efficiency of VCRC engines

 #55
20160053669
2016-02-25

VCRC engine with insulated chambers

 #56
20160032844
2016-02-04

IC ENGINE CYLINDER AND PISTON

 #57
20150369139
2015-12-24

Method and system for adjusting a compression ratio

 #58
20150345441
2015-12-03

Dual fuel engine having selective compression reduction

 #59
20150260113
2015-09-17

Internal combustion engine provided with variable compression ratio mechanism

 #60
20150260110
2015-09-17

Internal combustion engine

 #61
20150260093
2015-09-17

Variable compression ratio engine

 #62
20150233309
2015-08-20

Apparatus for detecting abnormal combustion in a combustion engine

 #63
20150184597
2015-07-02

Variable compression ratio engine

 #64
20150176507
2015-06-25

Actuator mounting structure for internal-combustion engine having variable compression ratio

 #65
20150176506
2015-06-25

Internal combustion engine

 #66
20150167563
2015-06-18

Variable compression ratio engine

 #67
20150167562
2015-06-18

VARIABLE COMPRESSION RATIO ENGINE

 #68
20150136089
2015-05-21

Internal combustion engine comprising variable compression ratio mechanism

 #69
20150128911
2015-05-14

Internal combustion engine provided with variable compression ratio mechanism

 #70
20150122226
2015-05-07

Control device and control method for internal combustion engine

 #71
20150122225
2015-05-07

Control device for variable-compression-ratio internal combustion engine

 #72
20150122223
2015-05-07

System and method of controlling fuel injection pressure in an engine having an in-cylinder pressure sensor

 #73
20150114356
2015-04-30

Variable compression ratio apparatus

 #74
20150101574
2015-04-16

Variable compression ratio engine

 #75
20150083085
2015-03-26

FUEL INJECTION SYSTEM FOR AN INTERNAL COMBUSTION ENGINE

 #76
20140338327
2014-11-20

Spark ignition internal combustion engine having intake valves with variable actuation and delayed closure

 #77
20140283786
2014-09-25

Ignition timing control system for a spark ignition type internal combustion engine

 #78
20140261335
2014-09-18

ROTARY VALVE ENGINE

 #79
20140238355
2014-08-28

Variable compression ratio device and internal combustion engine including the same

 #80
20140165969
2014-06-19

Variable compression ratio device and internal combustion engine using the same

 #81
20140116395
2014-05-01

Variable compression ratio engine

 #82
20140090615
2014-04-03

Split cycle phase variable reciprocating piston spark ignition engine

 #83
20140053808
2014-02-27

Spark ignition type internal combustion engine

 #84
20140025277
2014-01-23

Control system for multi-fuel internal combustion engine

 #85
20130276747
2013-10-24

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

 #86
20130220272
2013-08-29

Engine control apparatus

 #87
20130055989
2013-03-07

Spark ignition type internal combustion engine

 #88
20130025571
2013-01-31

INTERNAL COMBUSTION ENGINE

 #89
20130008408
2013-01-10

High efficiency internal explosion engine

 #90
20120316759
2012-12-13

Variable compression ratio V-type internal combustion engine

 #91
20120312014
2012-12-13

Spark ignition-type internal combustion engine

 #92
20120304968
2012-12-06

Spark ignition type internal combustion engine

 #93
20120304949
2012-12-06

INTERNAL COMBUSTION ENGINE

 #94
20120291756
2012-11-22

Two-Stroke Internal Combustion Engine with Three Chambers

 #95
20120283932
2012-11-08

TWO-STROKE INTERNAL COMBUSTION ENGINE WITH VARIABLE COMPRESSION RATIO AND AN EXHAUST PORT SHUTTER AND A METHOD OF OPERATING SUCH AN ENGINE

 #96
20120279476
2012-11-08

Spark ignition type internal combustion engine

 #97
20120279218
2012-11-08

MILLER CYCLE ENGINE

 #98
20120272937
2012-11-01

INTERNAL COMBUSTION ENGINE

 #99
20120234274
2012-09-20

Spark ignition type internal combustion engine

 #100
20120234273
2012-09-20

Variable compression ratio type engine with fuel containing alcohol

 #101
20120222653
2012-09-06

Spark ignition type internal combustion engine

 #102
20120215423
2012-08-23

Control device for multi-cylinder internal combustion engine equipped with variable compression ratio mechanism

 #103
20120199098
2012-08-09

Internal combustion engine

 #104
20120195782
2012-08-02

SYSTEM FOR CONSTRUCTION OF COMPRESSORS AND ROTARY ENGINE, WITH VOLUMETRIC DISPLACEMENT AND COMPRESSION RATE DYNAMICALLY VARIABLE

 #105
20120160022
2012-06-28

Apparatus for determining an air-fuel ratio imbalance among cylinders of an internal combustion engine

 #106
20120145128
2012-06-14

Variable compression ratio V-type internal combustion engine

 #107
20120097116
2012-04-26

High efficiency internal combustion engine

 #108
20120089316
2012-04-12

Single piston sleeve valve with optional variable compression ratio capability

 #109
20120078491
2012-03-29

Engine control method

 #110
20120059543
2012-03-08

ENGINE CONTROL SYSTEM

 #111
20120031377
2012-02-09

Spark ignition type internal combustion engine

 #112
20120012090
2012-01-19

Variable compression ratio apparatus

 #113
20120004828
2012-01-05

Spark ignition type internal combustion engine

 #114
20110307159
2011-12-15

Control apparatus of internal combustion engine

 #115
20110290218
2011-12-01

Spark ignition type internal combustion engine

 #116
20110290217
2011-12-01

Engine system control device

 #117
20110277711
2011-11-17

Method and system for internal combustion engine

 #118
20110271920
2011-11-10

Spark ignition type internal combustion engine

 #119
20110220041
2011-09-15

Accelerated compression ignition engine for HCCI

 #120
20110180038
2011-07-28

Engine control method and apparatus

 #121
20110132333
2011-06-09

INTERNAL COMBUSTION ENGINE WITH WORKING, PISTON AND CONTROL PISTON

 #122
20110126800
2011-06-02

Variable compression ratio apparatus of exhaust gas brake

 #123
20110114063
2011-05-19

Spark ignition type internal combustion engine

 #124
20110094479
2011-04-28

Spark ignition type internal combustion engine

 #125
20110041811
2011-02-24

Spark ignition type internal combustion engine

 #126
20110041786
2011-02-24

Spark ignited internal combustion engine system

 #127
20110036324
2011-02-17

DEV cycle engine

 #128
20110005497
2011-01-13

ENGINE CONTROL SYSTEM

 #129
20110005207
2011-01-13

Control device

 #130
20100300411
2010-12-02

Two-stroke internal combustion engine with variable compression ration and an exhaust port shutter

 #131
20100282216
2010-11-11

Spark ignition type internal combustion engine

 #132
20100282215
2010-11-11

Spark ignition type internal combustion engine

 #133
20100242919
2010-09-30

Cam actuation mechanism with application to a variable-compression internal-combustion engine

 #134
20100242471
2010-09-30

Control apparatus for internal combustion engine

 #135
20100192919
2010-08-05

Spark ignition type internal combustion engine

 #136
20100192917
2010-08-05

Spark-ignited internal combustion engine and method of controlling the same

 #137
20100180869
2010-07-22

Spark-ignited internal combustion engine and method of controlling the same

 #138
20100163002
2010-07-01

VARIABLE COMPRESSION RATIO INTERNAL COMBUSTION ENGINE

 #139
20100163001
2010-07-01

Spark ignition type internal combustion engine

 #140
20100132674
2010-06-03

Spark-ignited internal combustion engine and method of controlling the same

 #141
20100131170
2010-05-27

Method of operating a spark ignition type internal combustion engine

 #142
20100108037
2010-05-06

Pressurized air variable compression ratio engine system

 #143
20100107995
2010-05-06

Control apparatus for internal combustion engine

 #144
20090320804
2009-12-31

Compression reduction device for piston spark ignition internal combustion engines with removable cylinders

 #145
20090276140
2009-11-05

Spark ignition type internal combustion engine

 #146
20090272357
2009-11-05

Engine with a slidable valve

 #147
20090266338
2009-10-29

Spark ignition type internal combustion engine

 #148
20090255518
2009-10-15

Turbo-charged gasoline engine with variable control of intake valves

 #149
20090223483
2009-09-10

Power linkage assembly for a high efficiency internal explosion engine

 #150
20090187329
2009-07-23

Method of Controlling a Mechanical Compression Ratio and a Start Timing of an Actual Compression Action

 #151
20090178632
2009-07-16

Spark Ignition Type Internal Combustion Engine

 #152
20090159045
2009-06-25

Spark-ignition gasoline engine

 #153
20090126672
2009-05-21

Handheld work apparatus

 #154
20090125211
2009-05-14

Method of controlling a mechanical compression ratio, a closing timing of an intake valve and air stream

 #155
20090114194
2009-05-07

Variable compression engine with variable inlet valve timing

 #156
20090107467
2009-04-30

Variable compression ratio engine with lost motion coupling

 #157
20090107447
2009-04-30

Pressure reactive piston for reciprocating internal combustion engine

 #158
20090101113
2009-04-23

Variable compression ratio internal combustion engine

 #159
20090020103
2009-01-22

Engine with variable volumetric ratio

 #160
20090012700
2009-01-08

Spark ignition type internal combustion engine

 #161
20080306676
2008-12-11

Internal combustion engine with variable compression ratio

 #162
20080300772
2008-12-04

High efficiency internal combustion engine

 #163
20080271709
2008-11-06

Combustion engine technology

 #164
20080271705
2008-11-06

Variable compression engine

 #165
20080190406
2008-08-14

Variable compression ratio internal combustion engine

 #166
20080087257
2008-04-17

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

 #167
20080059031
2008-03-06

Control System for Vehicle

 #168
20080046160
2008-02-21

Arrangement and method for controlling a combustion engine

 #169
20080035129
2008-02-14

Method of controlling the combustion phase of an internal-combustion engine, notably a gasoline type direct-injection supercharged engine

 #170
20080035111
2008-02-14

Method for operating an internal combustion engine, and associated internal combustion engine

 #171
20080022982
2008-01-31

Variable Compression Ratio Internal Combustion Engine

 #172
20080017023
2008-01-24

Adjustment device for a variable compression ratio engine

 #173
20080010000
2008-01-10

Procedure for the operation of an internal combustion engine

 #174
20070272200
2007-11-29

Independent combustion chamber-type internal combustion engine

 #175
20070261406
2007-11-15

Systems and methods of reducing NOx emissions in internal combustion engines

 #176
20070256658
2007-11-08

COMBINED VARIABLE COMPRESSION RATIO AND PASSIVE IGNITION SYSTEM

 #177
20070234990
2007-10-11

Start-up control for internal combustion engine

 #178
20070227503
2007-10-04

Spark-ignition gasoline engine

 #179
20070209630
2007-09-13

Variable expansion-ratio engine

 #180
20070193539
2007-08-23

Control apparatus for an internal combustion engine

 #181
20070157912
2007-07-12

Process for use with dual-fuel systems

 #182
20070151538
2007-07-05

Rotary valve system and engine using the same

 #183
20070151537
2007-07-05

Rotary valve system and engine using the same

 #184
20070150164
2007-06-28

Variable compression ratio internal combustion engine

 #185
20070144459
2007-06-28

Compression ignition initiation device and internal combustion engine using same

 #186
20070144175
2007-06-28

Turbocharger system

 #187
20070125321
2007-06-07

Process for use with dual-fuel systems

 #188
20070095313
2007-05-03

Internal combustion engine with variable compression ratio and valve characteristics

 #189
20070089707
2007-04-26

Air and fuel supply system for combustion engine

 #190
20070089706
2007-04-26

Air and fuel supply system for combustion engine operating in HCCI mode

 #191
20070084428
2007-04-19

Homogeneous charge compression ignition engine and method of operating

 #192
20070079805
2007-04-12

Air and fuel supply system for combustion engine operating at optimum engine speed

 #193
20070068149
2007-03-29

Air and fuel supply system for combustion engine with particulate trap

 #194
20070062192
2007-03-22

Air and fuel supply system for combustion engine

 #195
20070051343
2007-03-08

Method and device for controlling an internal combustion engine

 #196
20070017477
2007-01-25

Rotary valve system and engine using the same

 #197
20070017476
2007-01-25

Rotary valve system and engine using the same

 #198
20070017204
2007-01-25

Internal combustion engine and method

 #199
20070017203
2007-01-25

Internal combustion engine and method

 #200
20070017202
2007-01-25

Internal combustion engine and method

 #201
20070017201
2007-01-25

Internal combustion engine and method

 #202
20070017200
2007-01-25

Internal combustion engine and method

 #203
20070012291
2007-01-18

Internal combustion engine and method

 #204
20070012024
2007-01-18

Internal combustion engine and method

 #205
20070012023
2007-01-18

Internal combustion engine and method with improved combustion chamber

 #206
20070012022
2007-01-18

Internal combustion engine and method with improved combustion chamber

 #207
20070012021
2007-01-18

Internal combustion engine and method with improved combustion chamber

 #208
20070012020
2007-01-18

Internal combustion engine and method with improved combustion chamber

 #209
20060254554
2006-11-16

Rotary valve system and engine using the same

 #210
20060254249
2006-11-16

Internal combustion engine and method with improved combustion chamber

 #211
20060243229
2006-11-02

Internal combustion engine and method

 #212
20060225704
2006-10-12

Arrangement and method for controlling combustion in a combustion engine

 #213
20060219210
2006-10-05

Internal combustion engine with variable volume prechamber

 #214
20060169246
2006-08-03

Method of controlling premix compression self-igniting internal combustion engine

 #215
20060118071
2006-06-08

Control apparatus for an internal combustion engine

 #216
20060107911
2006-05-25

Frequency modulated VCR-engine

 #217
20060090715
2006-05-04

Compression ratio variable device of internal combustion engine

 #218
20060086329
2006-04-27

Engine valve actuation system

 #219
20060070605
2006-04-06

Internal combustion engine with variable compression ratio

 #220
20050288846
2005-12-29

Strategy for fueling a diesel engine by selective use of fueling maps to provide HCCI+RVT, HCCI+IVC, HCCI+IVC+EVC, and CD+RVT combustion modes

 #221
20050247284
2005-11-10

Air and fuel supply system for combustion engine operating at optimum engine speed

 #222
20050241613
2005-11-03

Combustion engine including cam phase-shifting

 #223
20050241597
2005-11-03

Air and fuel supply system for a combustion engine

 #224
20050241302
2005-11-03

Air and fuel supply system for combustion engine with particulate trap

 #225
20050235951
2005-10-27

Air and fuel supply system for combustion engine operating in HCCI mode

 #226
20050235950
2005-10-27

Air and fuel supply system for combustion engine

 #227
20050229901
2005-10-20

Combustion engine including fluidically-driven engine valve actuator

 #228
20050183692
2005-08-25

Air and fuel supply system for combustion engine

 #229
20050098149
2005-05-12

Air and fuel supply system for combustion engine

 #230
20050066933
2005-03-31

Drive apparatus, control method thereof, and motor vehicle equipped with the apparatus and the method

 #231
20050051130
2005-03-10

Internal combustion engine with divided combustion chamber

 #232
17664404
2023-03-28

Compression ratio methods and systems for particulate filter regeneration

 #233
14611761
2016-01-19

Variable volume combustion chamber system

 #234
14545236
2016-08-02

Variable-expansion-ratio engine