ClassID:

138904

F02B75/047 - CPC Classification

Classification description:

Other engines; Engines with variable distances between pistons at top dead-centre positions and cylinder heads by means of variable crankshaft position

Recent Application in this class:
#1
20250389221
2025-12-25

VARIABLE COMPRESSION RATIO ENGINE

#2
20250320836
2025-10-16

VARIABLE COMPRESSION RATIO DEVICE

#3
20240141841
2024-05-02

VARIABLE COMPRESSION RATIO DEVICE

#4
20230340919
2023-10-26

Systems, Devices and Methods for Rich Engine Control

#5
20230323825
2023-10-12

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

#6
20230023207
2023-01-26

CRANKTRAIN PHASE ADJUSTER FOR VARIABLE COMPRESSION RATIO

#7
20220252015
2022-08-11

Cranktrain phase adjuster for variable compression ratio

#8
20220220890
2022-07-14

Throttle-at-valve apparatus

#9
20220220889
2022-07-14

Pivotal drive system for internal combustion engine

#10
20220220888
2022-07-14

Zero intrusion valve for internal combustion engine

#11
20220220887
2022-07-14

All-stroke-variable internal combustion engine

#12
20220136431
2022-05-05

Variable compression ratio device

#13
20220106916
2022-04-07

Cranktrain phase adjuster for variable compression ratio

#14
20220049759
2022-02-17

Systems and methods for variable compression ratio phaser

#15
20220003175
2022-01-06

Control method and control device for internal combustion engine

#16
20210396174
2021-12-23

CRANKTRAIN PHASE ADJUSTER FOR VARIABLE COMPRESSION RATIO

#17
20210340904
2021-11-04

Torque-actuated variable compression ratio phaser

#18
20210071569
2021-03-11

Fastening structure

#19
20200300184
2020-09-24

Control device for internal combustion engine

#20
20200300183
2020-09-24

Marine engine

#21
20200123973
2020-04-23

Method for variable displacement engine

#22
20200095927
2020-03-26

Internal combustion engine control method and control device

#23
20200040816
2020-02-06

Variable compression ratio apparatus

#24
20200040815
2020-02-06

Methods and systems for a variable compression engine

#25
20190195124
2019-06-27

PISTON ARRANGEMENT AND INTERNAL COMBUSTION ENGINE

#26
20190186353
2019-06-20

CONNECTING ROD FOR INTERNAL COMBUSTION ENGINE WITH ECCENTRICAL ELEMENT ADJUSTMENT ARRANGEMENT FOR ADJUSTING AN EFFECTIVE CONNECTING ROD LENGTH

#27
20180216521
2018-08-02

Variable displacement hypocycloidal crankshaft

#28
20180202355
2018-07-19

Internal combustion engine

#29
20180195434
2018-07-12

INTERNAL COMBUSTION ENGINE

#30
20180080372
2018-03-22

Internal combustion engine

#31
20170268422
2017-09-21

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

#32
20170101930
2017-04-13

Internal combustion test engine with system and method for adjusting cylinder offset

#33
20170101929
2017-04-13

ENGINE CONFIGURATION HAVING VARIOUS DISPLACEMENTS

#34
20160319738
2016-11-03

Crosshead engine

#35
20160256915
2016-09-08

R-θ table apparatus and processing apparatus of internal thread

#36
20160201554
2016-07-14

Piston arrangement and internal combustion engine

#37
20160047301
2016-02-18

Variable compression ratio engine

#38
20150377120
2015-12-31

Variable compression ratio internal combustion engine

#39
20150354448
2015-12-10

Internal combustion engine with variable compression ratio

#40
20150267608
2015-09-24

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

#41
20150260109
2015-09-17

ACTUATING UNIT FOR VARIABLE POWER PLANT COMPONENTS

#42
20150096540
2015-04-09

Variable compression ratio engine

#43
20140326219
2014-11-06

Variable compression ratio engine

#44
20140096748
2014-04-10

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

#45
20140014071
2014-01-16

Variable compression ratio apparatus

#46
20140014070
2014-01-16

Variable compression ratio apparatus

#47
20140000567
2014-01-02

Variable compression ratio diesel engine

#48
20130306035
2013-11-21

Variable compression ratio internal combustion engine

#49
20110107998
2011-05-12

Engine With Variable Compression Ratio

#50
20110048383
2011-03-03

Variable compression ratio engine

#51
20110033234
2011-02-10

POWER TAKE-OFF COUPLING

#52
20100294246
2010-11-25

PARALLEL CRANK DRIVE

#53
20100282217
2010-11-11

VCR UNIVERSAL DRIVE

#54
20100154748
2010-06-24

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

#55
20100132673
2010-06-03

VARIABLE COMPRESSION RATIO APPARATUS FOR VEHICLE ENGINE

#56
20100132672
2010-06-03

Variable compression ratio apparatus for vehicle engine

#57
20100006070
2010-01-14

Variable compression ratio apparatus and engine using the same

#58
20100006057
2010-01-14

Oil seal

#59
20080283027
2008-11-20

Internal combustion engine having a variable compression ratio

#60
20080173281
2008-07-24

Internal combustion engine with a variable compression ratio

#61
20080163847
2008-07-10

Variable displacement mechanism for internal combustion engine

#62
20080078338
2008-04-03

Adjusting apparatus particularly for an internal combustion engine

#63
20080022977
2008-01-31

Device and method for varying a compression ratio of an internal combustion engine

#64
20070045030
2007-03-01

Mount apparatus for variable compression ratio internal combustion engine

#65
20060011156
2006-01-19

Engine with a variable compression ratio

#66
20050217618
2005-10-06

Power plant including an internal combustion engine with a variable compression ratio system

#67
20050183680
2005-08-25

Reciprocating engine

#68
20050051116
2005-03-10

Gear system for an internal combustion engine

#69
20050028760
2005-02-10

Variable compression ratio mechanism

#70
20050016476
2005-01-27

Engine with a variable compression ratio

#71
20050000475
2005-01-06

Hydraulic control system for a variable compression ratio internal combustion engine

#72
16185941
2019-11-26

Variable compression ratio apparatus