ClassID:

138905

F02B75/048 - CPC Classification

Classification description:

Other engines; Engines with variable distances between pistons at top dead-centre positions and cylinder heads by means of a variable crank stroke length

Recent Application in this class:
#1
20260139619
2026-05-21

ENHANCED EFFICIENCY INTERNAL COMBUSTION ENGINE

#2
20250320836
2025-10-16

VARIABLE COMPRESSION RATIO DEVICE

#3
20240141841
2024-05-02

VARIABLE COMPRESSION RATIO DEVICE

#4
20230349333
2023-11-02

TELESCOPIC CONNECTING ROD FOR A VARIABLE COMPRESSION RATIO ENGINE

#5
20230272739
2023-08-31

ORBITAL-EPICYCLE CRANKSHAFT WITH A REVERSIBLE AND ADJUSTABLE CONSTANT VOLUME COMBUSTION CYCLE AT TDC OR BDC

#6
20220136431
2022-05-05

Variable compression ratio device

#7
20210340905
2021-11-04

Device for varying a compression ratio, reciprocating-piston internal combustion engine and working device

#8
20210310406
2021-10-07

Variable compression ratio engine

#9
20210095604
2021-04-01

Control method of variable stroke engine for reforming high-octane fuel under the flexible cylinder engine (FCE) mode

#10
20210071570
2021-03-11

ACTUATOR FOR VARIABLE COMPRESSION RATIO MECHANISM OF INTERNAL COMBUSTION ENGINE

#11
20200340396
2020-10-29

Crank and connecting rod mechanism which can realize miller cycle and its control method

#12
20200340395
2020-10-29

Control device and control method for vehicle drive mechanism

#13
20200318535
2020-10-08

Eccentric shaft speed change mechanism

#14
20200248637
2020-08-06

Variable compression ratio engine

#15
20200240325
2020-07-30

Expanded torque system of internal combustion engine

#16
20200232384
2020-07-23

Variable compression ratio engine with hydraulically actuated locking system

#17
20200191207
2020-06-18

COUPLING DEVICE

#18
20200141302
2020-05-07

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

#19
20200123973
2020-04-23

Method for variable displacement engine

#20
20200109682
2020-04-09

Control device for direct fuel injection engine and control method thereof

#21
20200080473
2020-03-12

Variable compression ratio engine with mechanical locking pin

#22
20200063655
2020-02-27

Crank Drive for a Reciprocating-Piston Engine and a Reciprocating Piston Engine with Such a Crank Drive

#23
20200040816
2020-02-06

Variable compression ratio apparatus

#24
20190376456
2019-12-12

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

#25
20190376445
2019-12-12

HEAT ENGINE PROVIDED WITH AN IMPROVED SYSTEM FOR VARYING THE COMPRESSION RATIO

#26
20190331553
2019-10-31

Method for variable compression ratio engine

#27
20190309691
2019-10-10

Apparatus and method for controlling variable compression ratio engine

#28
20190284994
2019-09-19

Control device and control method for vehicle drive mechanism

#29
20190218967
2019-07-18

Method for determining the compression of an internal combustion engine

#30
20190085762
2019-03-21

Control device and control method for vehicle drive mechanism

#31
20190078511
2019-03-14

CONTROL METHOD FOR INTERNAL COMBUSTION ENGINE AND CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE

#32
20190072044
2019-03-07

Link mechanism actuator for internal combustion engine

#33
20190063311
2019-02-28

Crank pin offset in dedicated exhaust gas engines

#34
20190063310
2019-02-28

Actuator for link mechanism for internal combustion engine

#35
20190032553
2019-01-31

Infinitely variable compression ratio mechanism of a reciprocating double-acting piston-type gas compressor

#36
20190017434
2019-01-17

Internal combustion engine

#37
20180363547
2018-12-20

PISTON STROKE ADJUSTMENT APPARATUS FOR INTERNAL COMBUSTION ENGINE

#38
20180328274
2018-11-15

Variable compression ratio engine

#39
20180320604
2018-11-08

Method for varying a cylinder-specific compression ratio of an applied-ignition internal combustion engine and internal combustion engine for carrying out a method of said type

#40
20180306107
2018-10-25

Heat engine comprising a system for varying the compression ratio

#41
20180306106
2018-10-25

Method and system for fuel injection control

#42
20180266314
2018-09-20

Variable compression ratio mechanism

#43
20180252157
2018-09-06

Variable stroke constant compression ratio engine

#44
20180230871
2018-08-16

Internal combustion engine

#45
20180223730
2018-08-09

Actuator of link mechanism for internal combustion engine

#46
20180209354
2018-07-26

Variable compression ratio internal combustion engine

#47
20180195434
2018-07-12

INTERNAL COMBUSTION ENGINE

#48
20180187612
2018-07-05

Control method and control device for internal combustion engine

#49
20180179963
2018-06-28

Four-stroke internal combustion engine including variable compression ratio and a vehicle

#50
20180163623
2018-06-14

Infinitely variable compression ratio and single stroke length mechanism or dual stroke length mechanism of reciprocating 2-cycle or 4-cycle internal combustion engine

#51
20180142618
2018-05-24

Internal combustion engine

#52
20180080372
2018-03-22

Internal combustion engine

#53
20180058314
2018-03-01

Control device and control method for vehicle drive mechanism

#54
20180051626
2018-02-22

VARIABLE GEOMETRY POWER TRANSFER FOR FLUID FLOW MACHINES

#55
20170276072
2017-09-28

Device for changing a compression ratio of a cylinder unit of a reciprocating-piston internal combustion engine

#56
20170241333
2017-08-24

Variable compression ratio connecting rod system with rotary actuator

#57
20170218838
2017-08-03

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

#58
20170211471
2017-07-27

Internal combustion engine including variable compression ratio

#59
20170167370
2017-06-15

Variable compression ratio apparatus

#60
20170167369
2017-06-15

Variable compression ratio device

#61
20170114739
2017-04-27

Method and system for engine control

#62
20170009648
2017-01-12

Four-stroke internal combustion engine with variable compression ratio

#63
20160312694
2016-10-27

Multi-joint crank drive of an internal combustion engine and corresponding internal combustion engine

#64
20160281598
2016-09-29

MULTI-JOINT CRANK DRIVE OF AN INTERNAL COMBUSTION ENGINE AND METHOD FOR OPERATING A MULTI-JOINT CRANK DRIVE

#65
20160258475
2016-09-08

Method of assembling and an assembly of a crankshaft and a crank member

#66
20160138467
2016-05-19

Bearing structure for multi-link-type piston crank mechanism for internal combustion engines

#67
20160102711
2016-04-14

Clip-fastened raceway for a variable compression ratio engine

#68
20160061105
2016-03-03

Apparatus with variable compression ratio and variable expansion ratio

#69
20150377175
2015-12-31

Device and method for controlling internal combustion engine

#70
20150330315
2015-11-19

Device and method for controlling variable compression ratio internal combustion engine

#71
20150330314
2015-11-19

Internal combustion engine

#72
20150275777
2015-10-01

Combustion engine comprising a central cam-drive system

#73
20150267608
2015-09-24

Variable compression cylinder head, crankshaft, and piston rod and system thereof

#74
20150219022
2015-08-06

Actuator of link mechanism for internal combustion engine and actuator for variable compression ratio mechanism

#75
20150204251
2015-07-23

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

#76
20150176507
2015-06-25

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

#77
20150176483
2015-06-25

Variable compression ratio device for internal combustion engine

#78
20150122226
2015-05-07

Control device and control method for internal combustion engine

#79
20150013648
2015-01-15

Variable geometry power transfer for fluid flow machines

#80
20140360292
2014-12-11

Reciprocating piston mechanism

#81
20140338641
2014-11-20

Electrohydraulic device for closed-loop driving the control jack of a variable compression ratio engine

#82
20140290625
2014-10-02

Variable compression ratio internal combustion engine

#83
20140261336
2014-09-18

Internal-combustion engine control device and control method

#84
20140238345
2014-08-28

Apparatus and method for controlling rotation speed of internal combustion engine

#85
20140137825
2014-05-22

Internal combustion engine

#86
20140137824
2014-05-22

Engine assembly with phasing mechanism on eccentric shaft for variable cycle engine

#87
20140096748
2014-04-10

Device for changing a compression ratio of a reciprocating piston internal combustion engine

#88
20140060319
2014-03-06

Adjustable linkage for variable displacement

#89
20140053798
2014-02-27

Bolted joint inner thread coating and methods of manufacturing

#90
20140053797
2014-02-27

Lubricating structure of multi-link piston-crank mechanism for internal combustion engine

#91
20130333670
2013-12-19

RECIPROCATING PISTON ENGINE WITH VARIABLE COMPRESSION RATIO

#92
20130327302
2013-12-12

Variable compression ratio engine

#93
20130312710
2013-11-28

Variable compression ratio apparatus with reciprocating piston mechanism with extended piston offset

#94
20130312697
2013-11-28

Dual link internal combustion engine

#95
20130306035
2013-11-21

Variable compression ratio internal combustion engine

#96
20130174803
2013-07-11

Mechanical breather system for a four-stroke engine

#97
20130125855
2013-05-23

Dwell cycle crank with rollers

#98
20130118442
2013-05-16

Internal combustion engine with multi-joint crank drive and additional masses on articulated connecting rods of the multi-joint crank drive for damping free inertia forces

#99
20130118441
2013-05-16

Intake system for an opposed-piston engine

#100
20130042828
2013-02-21

HIGH SPEED ENGINE

#101
20120291755
2012-11-22

Variable stroke mechanism for internal combustion engine

#102
20120285412
2012-11-15

In-line internal combustion engine having a multi-joint crank drive and a single balance shaft for damping second-order inertia forces

#103
20120272758
2012-11-01

Double-Acting Scotch Yoke assembly for X-engines

#104
20120260890
2012-10-18

Variable compression ratio V-type internal combustion engine

#105
20120180583
2012-07-19

Reciprocating piston mechanism

#106
20120160216
2012-06-28

Variable displacement engine

#107
20120111143
2012-05-10

CRANKSHAFT OF INTERNAL COMBUSTION ENGINE PROVIDED WITH MULTI LINK-TYPE PISTON-CRANK MECHANISM AND MULTI LINK-TYPE PISTON-CRANK MECHANISM OF INTERNAL COMBUSTION ENGINE

#108
20120000444
2012-01-05

Variable compression ratio apparatus

#109
20110277732
2011-11-17

Engine structure having conjugate cam assembly

#110
20110221208
2011-09-15

Opposed piston electromagnetic engine

#111
20110192371
2011-08-11

Multi-link engine

#112
20110036334
2011-02-17

Reciprocating piston mechanism and a method of increasing internal EGR in an internal combustion engine

#113
20100300410
2010-12-02

Variable stroke and compression ratio engine

#114
20100288237
2010-11-18

Ball-lift compression ratio adjustment device for a variable compression ratio engine

#115
20100258074
2010-10-14

Pressure device for a variable compression ratio engine

#116
20100224164
2010-09-09

CRANKSHAFT FOR A VARIABLE COMPRESSION RATIO ENGINE

#117
20100224143
2010-09-09

OIL SPRAY LUBRICATION AND COOLING DEVICE FOR A VARIABLE COMPRESSION RATIO ENGINE

#118
20100218745
2010-09-02

Ball-lift device with screw for a variable compression ratio engine

#119
20100192915
2010-08-05

VARIABLE STROKE CHARACTERISTIC ENGINE

#120
20100186721
2010-07-29

Variable stroke

#121
20100180868
2010-07-22

Mechanism for internal combustion piston engines

#122
20100163003
2010-07-01

Electrohydraulic device for closed-loop driving the control jack of a variable compression ratio engine

#123
20100154748
2010-06-24

ENGINE BLOCK AND CYLINDER HEAD ASSEMBLY FOR A VARIABLE COMPRESSION RATIO ENGINE

#124
20100132671
2010-06-03

Variable compression ratio apparatus

#125
20100107746
2010-05-06

Device for directly measuring on a piston the effective volumetric ratio of a variable compression ratio engine

#126
20100050992
2010-03-04

VARIABLE STROKE ENGINE

#127
20100018504
2010-01-28

Variable stroke engine assembly

#128
20100006069
2010-01-14

Variable stroke engine

#129
20100000497
2010-01-07

Variable compression ratio apparatus

#130
20090320803
2009-12-31

Control system for a variable compression engine

#131
20090288643
2009-11-26

Link type variable stroke engine

#132
20090288642
2009-11-26

Link type variable stroke engine

#133
20090288641
2009-11-26

Link type variable stroke engine

#134
20090283073
2009-11-19

Link type variable stroke engine

#135
20090266337
2009-10-29

Electromechanical device for controlling a variable compression ratio engine

#136
20090241910
2009-10-01

Variable compression ratio apparatus

#137
20090159051
2009-06-25

Variable displacement and/or variable compression ratio engine

#138
20090139492
2009-06-04

Variable compression ratio apparatus

#139
20090125208
2009-05-14

Plant control system

#140
20090107468
2009-04-30

Multi-link engine

#141
20090107454
2009-04-30

Multi-link variable compression ratio engine

#142
20090107453
2009-04-30

Multi-link engine

#143
20090107452
2009-04-30

Multi-link engine

#144
20090095262
2009-04-16

Variable stroke engine

#145
20090095261
2009-04-16

Variable stroke engine

#146
20090090334
2009-04-09

Opposed piston electromagnetic engine

#147
20090055081
2009-02-26

Control system for internal combustion engine

#148
20090044782
2009-02-19

Internal combustion engine

#149
20090041398
2009-02-12

BEARING STRUCTURE FOR VARIABLE-COMPRESSION-RATIO INTERNAL COMBUSTION ENGINE

#150
20090038588
2009-02-12

Variable compression ratio device for internal combustion engine

#151
20090031994
2009-02-05

Multi link type piston-crank mechanism of internal combustion engine

#152
20090000598
2009-01-01

Reciprocating-piston internal combustion engine with variable compression ratio

#153
20080283027
2008-11-20

Internal combustion engine having a variable compression ratio

#154
20080283008
2008-11-20

Internal combustion engine employing variable compression ratio mechanism

#155
20080223342
2008-09-18

Two-stroke engine with variable compression

#156
20080223341
2008-09-18

Engine load estimating apparatus and engine load estimating method

#157
20080223320
2008-09-18

Variable compression ratio mechanism for an internal combustion engine

#158
20080184966
2008-08-07

En Very Compact Device For Adjusting the Compression Ratio of an Internal Combustion Engine

#159
20080173281
2008-07-24

Internal combustion engine with a variable compression ratio

#160
20080115769
2008-05-22

Reciprocating machines

#161
20080087255
2008-04-17

Internal combustion engine

#162
20080078338
2008-04-03

Adjusting apparatus particularly for an internal combustion engine

#163
20080059031
2008-03-06

Control System for Vehicle

#164
20070289567
2007-12-20

Engine vibration elimination system and variable stroke characteristic engine

#165
20070245992
2007-10-25

Variable Displacement/Compression Engine

#166
20070235007
2007-10-11

Ignition timing control system and method for internal combustion engine, and engine control unit

#167
20070225892
2007-09-27

Control system for internal combustion engine

#168
20070215132
2007-09-20

Internal combustion engine piston crank mechanism

#169
20070209630
2007-09-13

Variable expansion-ratio engine

#170
20070204829
2007-09-06

Crankshaft of piston crank mechanism

#171
20070169739
2007-07-26

Reciprocating-piston internal combustion engine

#172
20070137608
2007-06-21

Lower link for piston crank mechanism of internal combustion engine

#173
20070137606
2007-06-21

Internal combustion engine

#174
20070044740
2007-03-01

Stroke-variable engine

#175
20070034186
2007-02-15

Variable displacement/compression engine

#176
20060249103
2006-11-09

Concentric piston for variable compression ratio directly based on the combustion chamber pressure

#177
20060180118
2006-08-17

Internal combustion engine that uses a variable compression ratio device

#178
20060157016
2006-07-20

Engine overall height reduction

#179
20060150929
2006-07-13

Internal combustion engines

#180
20060144354
2006-07-06

Variable stroke-characteristic engine for vehicle

#181
20060137632
2006-06-29

Internal combustion engine

#182
20060137629
2006-06-29

Lower link for piston crank mechanism of engine

#183
20060102116
2006-05-18

Variable stroke property engine

#184
20060102112
2006-05-18

System and method for controling crankshaft position during engine shutdown using cylinder pressure

#185
20060053964
2006-03-16

Epitrochoidal crankshaft mechanism and method

#186
20060048728
2006-03-09

Mechanism for internal combustion piston engines

#187
20060005793
2006-01-12

High efficiency high power internal combustion engine operating in a high compression conversion exchange cycle

#188
20050268870
2005-12-08

Controlling an engine with a multi link-type piston crank mechanism

#189
20050263115
2005-12-01

V-type 8-cylinder four cycle internal combustion engine

#190
20050224025
2005-10-13

Overload protection mechanism

#191
20050126518
2005-06-16

Variable crankshaft

#192
20050103305
2005-05-19

Internal combustion engine

#193
20050061270
2005-03-24

Variable compression ratio engine

#194
20050056240
2005-03-17

Control apparatus and method for internal combustion engine with variable compression ratio mechanism

#195
20050045120
2005-03-03

Multi-link piston crank mechanism for internal combustion engine

#196
20050028762
2005-02-10

Engine with variably adjustable compression ratio, and methods of using same

#197
20050005897
2005-01-13

Lower link of piston crank mechanism for internal combustion engine

#198
18058069
2023-06-06

Port-direct injection engine methods and systems optimizing fuel economy with particulate control

#199
16185941
2019-11-26

Variable compression ratio apparatus

#200
14184683
2015-06-23

Variable stroke and compression ratio internal combustion engine