ClassID:

137142

F01L1/022 - CPC Classification

Classification description:

Valve-gear or valve arrangements, e.g. lift-valve gear; Valve drive Chain drive

Recent Application in this class:
#1
20250243791
2025-07-31

INTERNAL COMBUSTION ENGINE

#2
20240392721
2024-11-28

ENGINE ASSEMBLY FOR OFF-ROAD VEHICLES

#3
20240392708
2024-11-28

INTERCHANGEABLE ENGINE ASSEMBLY

#4
20240263570
2024-08-08

VARIABLE CAM TIMING PHASER AND SYSTEM INCLUDING THE SAME

#5
20240209759
2024-06-27

Actuation system for an internal combustion engine

#6
20240191783
2024-06-13

Variable stiffness function through a check valve in a hydraulic

#7
20240077002
2024-03-07

Variable valve device

#8
20230358299
2023-11-09

SYSTEM AND METHOD FOR A CAPTIVE SPROCKET IN AN ENGINE

#9
20230250742
2023-08-10

VARIABLE VALVE TIMING SYSTEM

#10
20230184162
2023-06-15

OIL PAN FOR INTERNAL COMBUSTION ENGINE

#11
20220412236
2022-12-29

Camshaft with phasing device for multi-cylinder internal combustion engine with poppet valves

#12
20220412231
2022-12-29

Radial engine-generator with overhead camshaft

#13
20220381161
2022-12-01

Internal combustion engine with camshaft valve phase variation device

#14
20220325642
2022-10-13

Valve opening and closing timing control apparatus device

#15
20220316417
2022-10-06

Internal combustion engine

#16
20220298932
2022-09-22

Internal combustion engine with camshaft valve phase variation device

#17
20220290628
2022-09-15

Timing chain cover and mounting structure for timing chain cover

#18
20220290585
2022-09-15

CRANK SPROCKET AND MOUNTING STRUCTURE THEREFOR

#19
20220228649
2022-07-21

Chain guide mechanism

#20
20220221030
2022-07-14

Chain guide

#21
20220196122
2022-06-23

Tensioner

#22
20220145782
2022-05-12

Electric actuator

#23
20220107013
2022-04-07

Strain wave gear unit, gear transmission device, and valve timing changing device

#24
20220010690
2022-01-13

Articulated chain with sleeve joints arranged at an angle

#25
20220003137
2022-01-06

Blow-by gas discharge device

#26
20210381410
2021-12-09

Blowby gas discharging device

#27
20210285537
2021-09-16

Chain guide

#28
20210285524
2021-09-16

CHECK VALVE AND INTEGRATED PRESSURE RELIEF VALVE CONTROLLED BY A METALLIC BAND

#29
20210285368
2021-09-16

Engine

#30
20210277823
2021-09-09

Power unit

#31
20210222644
2021-07-22

Internal combustion engine

#32
20210207690
2021-07-08

System and method for a captive sprocket in an engine

#33
20210087952
2021-03-25

ENGINE SYSTEM

#34
20200408116
2020-12-31

Valve timing regulation device

#35
20200400218
2020-12-24

RETENTION OF CHAIN TENSIONER PISTON

#36
20200400095
2020-12-24

Chain cover

#37
20200291848
2020-09-17

Power and miles per gallon for an automotive engine by using 2 stroke technology where the lubrication of the engine parts is independent of the fuel system.

#38
20200263574
2020-08-20

Valve timing adjustment device

#39
20200157976
2020-05-21

DRIVE FORCE TRANSMISSION MECHANISM

#40
20200132005
2020-04-30

Internal combustion engine

#41
20200124142
2020-04-23

Methods and systems for a heatable tensioning arm

#42
20200063615
2020-02-27

Oil supply structure for timing chain system

#43
20200032679
2020-01-30

Internal combustion engine

#44
20200011211
2020-01-09

Sliding member, and sliding member for internal combustion engine

#45
20190345879
2019-11-14

Control system for internal combustion engines

#46
20190316657
2019-10-17

SEALED HYDRAULIC TENSIONER

#47
20190284969
2019-09-19

Engine with variable valve timing mechanism

#48
20190264635
2019-08-29

ENGINE

#49
20190234494
2019-08-01

VARIABLE FORCE TENSIONER WITH SECONDARY PISTON RATCHET CLIP

#50
20190234249
2019-08-01

Cam phaser and cam shaft arrangement with cam phaser

#51
20190234244
2019-08-01

Valve timing controller

#52
20190186307
2019-06-20

Variable cam timing system and method for operation of said system

#53
20190170027
2019-06-06

Camshaft phaser arrangement for a concentrically arranged camshaft assembly

#54
20190120092
2019-04-25

Valve timing controller

#55
20190107015
2019-04-11

Eccentric gears with reduced bearing span

#56
20190017466
2019-01-17

Cylinder head cover structure for engine

#57
20190003557
2019-01-03

Press-fit check valve for a hydraulic tensioner reservoir with metered backflow

#58
20190003352
2019-01-03

Internal combustion engine

#59
20190003351
2019-01-03

Variable valve operating apparatus

#60
20190003349
2019-01-03

INTERNAL-COMBUSTION ENGINE VALVE TIMING CONTROL DEVICE

#61
20180371963
2018-12-27

Cam phasing assemblies with electromechanical locking control and method thereof

#62
20180371962
2018-12-27

Variable cam phaser with damper

#63
20180335111
2018-11-22

Camshaft drive device

#64
20180334928
2018-11-22

TIMING CHAIN DEVICE OF ENGINE

#65
20180328479
2018-11-15

Toothed wheel for an internal combustion engine of a motor vehicle

#66
20180320566
2018-11-08

Valve operating system providing variable valve lift and/or variable valve timing

#67
20180298790
2018-10-18

Camshaft adjuster

#68
20180283506
2018-10-04

Internal combustion engine of saddle riding vehicle

#69
20180274394
2018-09-27

DOHC-type internal combustion engine

#70
20180266518
2018-09-20

Eccentric oscillating reduction gear device

#71
20180245488
2018-08-30

Variable valve timing control device

#72
20180202325
2018-07-19

Camschaft for internal combustion engine

#73
20180172115
2018-06-21

Engine with inboard cam drive tensioner

#74
20180149048
2018-05-31

Method of adaptively controlling a motor vehicle engine system

#75
20180094708
2018-04-05

Internal combustion engine

#76
20170328243
2017-11-16

Variable compression ratio engine camshaft drive

#77
20170321785
2017-11-09

Valvular paths

#78
20170314651
2017-11-02

Vortex channel

#79
20170299042
2017-10-19

Internal combustion engine

#80
20170284241
2017-10-05

Internal combustion engine

#81
20170218881
2017-08-03

Engine and straddled vehicle

#82
20170211436
2017-07-27

Internal combustion engine

#83
20170152767
2017-06-01

Camshaft adjuster having a variable-length insert part

#84
20170130620
2017-05-11

Valve opening and closing timing control apparatus

#85
20170114678
2017-04-27

Rotary valve engine system

#86
20170089432
2017-03-30

Power unit having cam chain tensioner pivot mechanism

#87
20170058725
2017-03-02

Installing structure for electric variable valve timing apparatus

#88
20170051640
2017-02-23

Valve timing control apparatus and manufacturing method thereof

#89
20170037956
2017-02-09

Oil jet arm and method for lubricating chain span employing said oil jet arm, and chain tensioning device and method for lubricating chain span employing said chain tensioning device

#90
20170037942
2017-02-09

Chain guide and chain transmission device

#91
20170037744
2017-02-09

Variable tensioning for engine camshaft drive

#92
20170030452
2017-02-02

Driving force transmission system for engine

#93
20170009640
2017-01-12

Air/oil-cooled internal combustion engine

#94
20160348764
2016-12-01

Chain transmission device for driving camshafts

#95
20160298506
2016-10-13

Valve timing controller, lock jig for valve timing controller, and production method of valve timing controller

#96
20160258328
2016-09-08

Internal combustion engine

#97
20160102736
2016-04-14

Chain tensioner force mechanism for internal combustion engine

#98
20160090880
2016-03-31

Breather chamber of internal combustion engine

#99
20150345596
2015-12-03

Tensioner for a camshaft-camshaft chain drive

#100
20150122210
2015-05-07

Engine and straddle-type vehicle equipped with engine

#101
20150105197
2015-04-16

Chain guide and chain transmission device

#102
20150090210
2015-04-02

Cam bearing lubrication structure for internal combustion engine

#103
20150083078
2015-03-26

Engine including motorized throttle valve

#104
20150020581
2015-01-22

Method and device for ascertaining a position of a camshaft and a phase of an internal combustion engine

#105
20140349795
2014-11-27

Internal combustion engine and motorcycle equipped with the engine

#106
20140338620
2014-11-20

MARKING LABELS FOR DRIVE CHAINS

#107
20140283383
2014-09-25

Retrofitting performance camshafts to an internal combustion engines with hemispherical combustion chambers

#108
20140158074
2014-06-12

Concentric camshaft phaser torsional drive mechanism

#109
20140109863
2014-04-24

Timing belt pulley mounting and geometry for use in internal combustion engines

#110
20140090615
2014-04-03

Split cycle phase variable reciprocating piston spark ignition engine

#111
20140069362
2014-03-13

Control system for variable valve timing apparatus

#112
20130319355
2013-12-05

Engine with variable valve timing mechanism

#113
20130312685
2013-11-28

Timing chain drive device

#114
20130298858
2013-11-14

Valve gear

#115
20130239727
2013-09-19

Camshaft device

#116
20130068191
2013-03-21

Chain case structure for engine

#117
20130055836
2013-03-07

Adjustable camshaft sprocket assembly and tool for same

#118
20130005523
2013-01-03

Engine drive system

#119
20130000579
2013-01-03

Internal combustion engine having two lubricating chambers separated from one another in a fluid-tight manner

#120
20120220401
2012-08-30

Cam sprocket and method for manufacturing the same

#121
20120199087
2012-08-09

ROCKER ARM STRUCTURE

#122
20120192821
2012-08-02

Motorcycle camshaft drive tensioner

#123
20120090456
2012-04-19

Piston type pneumatic engine

#124
20120088617
2012-04-12

Engine drive system

#125
20120080012
2012-04-05

Variable compression ratio internal engine

#126
20120073537
2012-03-29

Engine

#127
20120073527
2012-03-29

Engine

#128
20120024244
2012-02-02

CAMSHAFT SPEED SENSOR TARGET

#129
20120017858
2012-01-26

Variable valve timing mechanism with intermediate locking mechanism and fabrication method thereof

#130
20110277726
2011-11-17

Oiling system for timing chains

#131
20110180034
2011-07-28

OIL SUPPLY DEVICE

#132
20110180033
2011-07-28

CHAIN CASE STRUCTURE OF ENGINE

#133
20110174269
2011-07-21

Engine including intake vacuum management system

#134
20110168114
2011-07-14

Valve timing control apparatus

#135
20110162606
2011-07-07

VALVE TIMING CONTROL APPARATUS

#136
20110139112
2011-06-16

Engine combustion chamber features for camshaft with differential valve lift

#137
20110126785
2011-06-02

Hydraulic camshaft adjuster

#138
20110120399
2011-05-26

Camshaft adjusting arrangement

#139
20110107990
2011-05-12

Engine having concentric camshaft with differential valve lift

#140
20110100312
2011-05-05

CONTROL SYSTEM FOR VARIABLE VALVE TIMING APPARATUS

#141
20110079187
2011-04-07

Heating engine oil in an internal combustion engine

#142
20110077114
2011-03-31

ANCHORED MECHANICAL STRAP TENSIONER FOR MULTI-STRAND TENSIONING

#143
20110048351
2011-03-03

Adjustable camshaft sprocket assembly and tool for same

#144
20110048349
2011-03-03

Internal combustion engine control device

#145
20110048348
2011-03-03

Solenoid valve for variable valve timing control devices, and variable valve timing control system

#146
20110036319
2011-02-17

Variable phase controller for automotive engine

#147
20110011655
2011-01-20

Travel system for a hybrid type motor vehicle and method for driving same

#148
20110009221
2011-01-13

SILENT CHAIN TRANSMISSION SYSTEM

#149
20110005500
2011-01-13

Timing transmission mechanism in engine

#150
20110000450
2011-01-06

Phase changing device for automobile engine

#151
20100332110
2010-12-30

Variable valve timing control apparatus and method for controlling variable valve timing device

#152
20100313838
2010-12-16

Cam carrier assembly

#153
20100298078
2010-11-25

RATCHET-TYPE TENSIONER

#154
20100298077
2010-11-25

RATCHET-TYPE TENSIONER

#155
20100294387
2010-11-25

Control valve for a camshaft adjuster

#156
20100292038
2010-11-18

Multiple tension reducing sprockets in a chain and sprocket system

#157
20100269772
2010-10-28

Variable valve timing control apparatus for internal combustion engine

#158
20100269770
2010-10-28

Electric valve timing control device of internal combustion engine

#159
20100258069
2010-10-14

Valve timing control apparatus

#160
20100242885
2010-09-30

4-stroke cycle internal combustion engine

#161
20100242871
2010-09-30

V-type internal combustion engine with variable valve train

#162
20100241338
2010-09-23

Motor control strategy for a hydraulic camshaft adjuster having a mechanical central lock

#163
20100224149
2010-09-09

TIMING CHAIN DRIVE COMPRISING AN INTEGRATED ELECTRIC MOTOR

#164
20100223771
2010-09-09

Concentric camshaft and method of assembly

#165
20100197433
2010-08-05

Synchronous drive apparatus and methods

#166
20100192887
2010-08-05

Engine

#167
20100180844
2010-07-22

Valve timing control device

#168
20100175673
2010-07-15

2-valve, 2-plug, 2-intake lean burn engine with squish flow with about 2/3 the combustion chamber under the exhaust valve

#169
20100175651
2010-07-15

Valve timing controller

#170
20100175650
2010-07-15

Valve opening/closing timing control apparatus

#171
20100175649
2010-07-15

Valve opening/closing timing control apparatus

#172
20100173739
2010-07-08

Timing chain driving system

#173
20100160100
2010-06-24

Synchronous drive apparatus

#174
20100145592
2010-06-10

Method for controlling variable valve apparatus of internal combustion engine, and system thereof

#175
20100139592
2010-06-10

Variable valve timing control apparatus for internal combustion engine

#176
20100139591
2010-06-10

Variable valve device of internal combustion engine and controller therefor

#177
20100139590
2010-06-10

Apparatus for adjusting deviation of engine and continuously variable valve lift device including the same

#178
20100137085
2010-06-03

Timing chain drive system

#179
20100126459
2010-05-27

Fixation structure for valve system rotation shaft of internal combustion engine

#180
20100122679
2010-05-20

Oil circuit of continuously variable valve timing device

#181
20100089351
2010-04-15

Camshaft phaser for a concentric camshaft

#182
20100071647
2010-03-25

Motorcycle engine

#183
20100050967
2010-03-04

Camshaft and phaser assembly

#184
20100025138
2010-02-04

Centrifugal advance mechanism

#185
20100024754
2010-02-04

Valve control apparatus for engine

#186
20100018504
2010-01-28

Variable stroke engine assembly

#187
20100000481
2010-01-07

Phase varying apparatus for engine

#188
20090314235
2009-12-24

Hydraulic control system for engine cam phasing

#189
20090312109
2009-12-17

Group of multiple camshafts with camshaft adjusters

#190
20090301419
2009-12-10

Decompression mechanism

#191
20090288630
2009-11-26

Zero float valve for internal combustion engine and method of operation thereof

#192
20090277709
2009-11-12

MOTORCYCLE

#193
20090277406
2009-11-12

Power unit for vehicle

#194
20090272348
2009-11-05

VALVE TIMING CONTROL DEVICE AND ENGINE DEVICE AND VEHICLE INCLUDING THE SAME

#195
20090266337
2009-10-29

Electromechanical device for controlling a variable compression ratio engine

#196
20090260590
2009-10-22

PHASE VARYING DEVICE OF ENGINE

#197
20090250024
2009-10-08

Valve timing control device and engine device and vehicle including the same

#198
20090247336
2009-10-01

Hydraulic auto-tensioner with double seal ring

#199
20090241891
2009-10-01

Cylinder head structure in four-cycle engine

#200
20090240420
2009-09-24

Variable valve system, and engine system and vehicle including the same

#201
20090229551
2009-09-17

Concentric camshaft with independent bearing surface for floating lobes

#202
20090228187
2009-09-10

Variable valve actuation system of internal combustion engine and control apparatus of internal combustion engine

#203
20090223469
2009-09-10

BALANCE SHAFT DRIVE SYSTEM

#204
20090205592
2009-08-20

Valve timing control apparatus

#205
20090205206
2009-08-20

Assembly system and method for a tensioned chain drive system

#206
20090199801
2009-08-13

VALVE TIMING ADJUSTING APPARATUS

#207
20090186725
2009-07-23

MULTI-UTILITY CAMSHAFT CAP FOR INTERNAL COMBUSTION ENGINE

#208
20090183704
2009-07-23

Phase varying apparatus for engine

#209
20090183702
2009-07-23

Doubled cam shaft adjuster in layered construction

#210
20090173298
2009-07-09

Valve timing adjusting apparatus

#211
20090170648
2009-07-02

Timing chain drive unit

#212
20090159027
2009-06-25

VARIABLE VALVE ACTUATING APPARATUS FOR INTERNAL COMBUSTION ENGINE, AND CONTROLLER FOR VARIABLE VALVE ACTUATING APPARATUS

#213
20090159026
2009-06-25

Variable valve system for internal combustion engine and its driving mechanism

#214
20090151671
2009-06-18

Controller for vane-type variable timing adjusting mechanism

#215
20090149287
2009-06-11

Non-circular rotary component

#216
20090145380
2009-06-11

Apparatus for controlling variable valve device

#217
20090143177
2009-06-04

TIMING CHAIN DRIVE UNIT

#218
20090133652
2009-05-28

Valve timing control apparatus

#219
20090133651
2009-05-28

Valve timing control apparatus

#220
20090133650
2009-05-28

VALVE TIMING CONTROL APPARATUS

#221
20090126664
2009-05-21

Valve timing adjusting device

#222
20090120392
2009-05-14

VALVE TIMING ADJUSTING APPARATUS

#223
20090120391
2009-05-14

Device for varying the control times of an internal combustion engine

#224
20090120388
2009-05-14

Electro-hydraulic hybrid camshaft phaser

#225
20090114175
2009-05-07

VARIABLE VALVE SYSTEM, AND ENGINE DEVICE AND VEHICLE INCLUDING THE SAME

#226
20090111627
2009-04-30

Tensioner with an adjuster

#227
20090107750
2009-04-30

Saddle-riding type small vehicle and motorcycle

#228
20090107429
2009-04-30

Engine for small vehicle

#229
20090101096
2009-04-23

Valve system for overhead-camshaft-type internal combustion engine, and engine incorporating same

#230
20090093940
2009-04-09

Vehicle and vehicle control method

#231
20090084352
2009-04-02

Intake charge-regulating apparatus for an internal combustion engine, and engine incorporating same

#232
20090056657
2009-03-05

V-type engine for vehicle

#233
20090050086
2009-02-26

VARIABLE VALVE DRIVING APPARATUS OF INTERNAL COMBUSTION ENGINE

#234
20090038568
2009-02-12

Valve timing control apparatus

#235
20090020083
2009-01-22

Engine valve operating system

#236
20090007878
2009-01-08

INTERNAL COMBUSTION ENGINE CYLINDER HEAD ASSEMBLY

#237
20090007868
2009-01-08

Internal combustion engine cam follower arrangement

#238
20090007863
2009-01-08

Motorcycle provided with valve-operating mechanism

#239
20090007858
2009-01-08

Internal combustion engine cooling system

#240
20090000582
2009-01-01

Variable valve train system for internal combustion engine

#241
20080308053
2008-12-18

Variable Valve Drive Device, Engine, and Motorcycle

#242
20080289596
2008-11-27

Apparatus for preventing leakage across rotor vanes in a vane-type camshaft phaser

#243
20080276915
2008-11-13

Control method and control apparatus of internal combustion engine

#244
20080271690
2008-11-06

Camshaft adjuster for an internal combustion engine with integrated valve slide

#245
20080264367
2008-10-30

Variable valve timing control apparatus of internal combustion engine

#246
20080257310
2008-10-23

Hybrid powertrain with reversing engine and method of control

#247
20080254900
2008-10-16

Axial lash control for a vane-type cam phaser

#248
20080216783
2008-09-11

Variable valve timing mechanism-equipped engine

#249
20080210311
2008-09-04

Mounting arrangement for a rotary valve

#250
20080207366
2008-08-28

TENSIONER

#251
20080200293
2008-08-21

Sprocket With 1.5 Order, and Multiples Thereof, Vibration Canceling Profile and Synchronous Drive Employing Such a Sprocket

#252
20080200291
2008-08-21

Anti-backlash device

#253
20080184956
2008-08-07

Internal combustion engine

#254
20080178829
2008-07-31

Cylinder head for an overhead-cam internal combustion engine, engine incorporating same, and vehicle incorporating the engine

#255
20080172160
2008-07-17

Method to measure VCT phase by tracking the absolute angular positions of the camshaft and the crankshaft

#256
20080163838
2008-07-10

Valve timing control apparatus

#257
20080156289
2008-07-03

Cylinder head for an internal combustion engine

#258
20080146352
2008-06-19

Apparatus for preventing leakage across rotor vanes in a vane-type camshaft phaser

#259
20080141961
2008-06-19

Variable valve system for internal combustion engine

#260
20080135003
2008-06-12

Oil supply circuit for cylinder deactivation system

#261
20080127936
2008-06-05

Variable pitch timing chain/belt for camshaft to crankshaft correlation

#262
20080127915
2008-06-05

Motor engine family

#263
20080120018
2008-05-22

Discrete variable valve lift diagnostic systems and methods

#264
20080113837
2008-05-15

Tension or Guide Rail with an Installation Channel

#265
20080087246
2008-04-17

Engine and motorcycle

#266
20080078342
2008-04-03

Multi-cylinder internal combustion engine

#267
20080072869
2008-03-27

Multicylinder internal combustion engine

#268
20080071508
2008-03-20

Synchronous drive apparatus and methods

#269
20080070708
2008-03-20

Assembled camshaft having indentations extending underneath the slid-on components

#270
20080066709
2008-03-20

Rotary valves and valve seal assemblies

#271
20080066700
2008-03-20

Variable valve timing system and method for controlling the same

#272
20080066572
2008-03-20

Valve timing control system

#273
20080060597
2008-03-13

Valve operation device of internal combustion engine

#274
20080051980
2008-02-28

Valve timing controller

#275
20080047516
2008-02-28

Phase adjusting apparatus and a cam shaft phase adjusting apparatus for an internal combustion engine

#276
20080047515
2008-02-28

Valve timing control apparatus

#277
20080047514
2008-02-28

Adjustable camshaft sprocket assembly and tool for same

#278
20080046162
2008-02-21

Engine method

#279
20080039253
2008-02-14

Timing chain drive system

#280
20080035083
2008-02-14

Internal combustion engine having variable valve operating device

#281
20080029050
2008-02-07

Variable valve timing controller for internal combustion engine

#282
20080022952
2008-01-31

Valve timing control apparatus and its assembling method

#283
20080017150
2008-01-24

Variable Valve Drive Device, Engine, and Motorcycle

#284
20080017149
2008-01-24

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Variable valve timing control apparatus of internal combustion engine

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Diagnosis system for vane-type variable valve timing controller

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