ClassID:

137176

F01L1/20 - CPC Classification

Classification description:

Valve-gear or valve arrangements, e.g. lift-valve gear Adjusting or compensating clearance

Sub-classes:
Recent Application in this class:
#1
20240401506
2024-12-05

ROCKER SYSTEMS WITH CYLINDER DEACTIVATION AND SELECTIVE VALVE LIFT CAPABILITIES

#2
20240360777
2024-10-31

ROCKER SYSTEMS WITH CYLINDER DEACTIVATION AND SELECTIVE VALVE LIFT CAPABILITIES

#3
20240125256
2024-04-18

Rocker arm mechanism of engine, system and method for two-stroke engine brake

#4
20230175420
2023-06-08

Lash adjuster with hydraulic lash assembly and mechanical lash assembly

#5
20230175419
2023-06-08

Remotely mounted idler gear

#6
20230107801
2023-04-06

ROCKER ARM ASSEMBLIES

#7
20230102765
2023-03-30

Castellation assembly, lash capsule, and rocker arm

#8
20230074370
2023-03-09

Rocker arm assembly, compliance capsules, actuators, and support structures

#9
20220356822
2022-11-10

Compression release type engine brake

#10
20220333512
2022-10-20

Engine valve actuating apparatus

#11
20220244030
2022-08-04

Valve clearance measuring method and assembly

#12
20220205372
2022-06-30

Compression release type engine brake

#13
20220186638
2022-06-16

Valve clearance setting and adjustment components and systems and methods of using the same

#14
20220178671
2022-06-09

Valve clearance measuring method and assembly

#15
20220145781
2022-05-12

Castellation device, mechanical capsule, and rocker arm

#16
20220018266
2022-01-20

Valve actuation system for engine and valve lifter and rocker arm for same

#17
20210340891
2021-11-04

Valve actuation system comprising lost motion and high lift transfer components in a main motion load path

#18
20210189914
2021-06-24

Remotely mounted idler gear

#19
20210087953
2021-03-25

Rocker arm with inboard lost motion spring over valve

#20
20210062684
2021-03-04

Method of setting tappet clearance and device therefor

#21
20200131950
2020-04-30

METHODS OF SETTING A TAPPET IN AN ENGINE

#22
20200056512
2020-02-20

Self-contained e-foot

#23
20200011212
2020-01-09

Module for a variable-stroke valve drive of an internal combustion engine

#24
20190360363
2019-11-28

Valve train carrier assembly

#25
20190309660
2019-10-10

Three roller rocker arm with cantilevered rollers and lost motion spring over valve or over rocker arm pivot

#26
20190309659
2019-10-10

Three roller rocker arm with outboard lost motion spring

#27
20190284971
2019-09-19

Three roller rocker arm with pump-down stop

#28
20190277205
2019-09-12

Compression release valvetrain design

#29
20190234246
2019-08-01

Method for valvetrain lash adjustment with extra lost motion stroke and high stiffness lost motion spring

#30
20190195094
2019-06-27

WRENCH ASSEMBLY FOR ADJUSTING RELATIVE POSITION BETWEEN MECHANICAL COMPONENTS IN A MECHANICAL SYSTEM

#31
20190178113
2019-06-13

Modular rocker arm

#32
20190162086
2019-05-30

Valve drive

#33
20190145288
2019-05-16

Variable valve actuation system for type II valverain using lost motion and reset

#34
20190107011
2019-04-11

Valve train assembly

#35
20190101030
2019-04-04

Valve clearance adjusting method

#36
20190093525
2019-03-28

Variable displacement engine including different cam lobe profiles

#37
20190085732
2019-03-21

Switching rocker arm

#38
20190055861
2019-02-21

Device for controlling at least one valve in an internal combustion engine

#39
20190055858
2019-02-21

Force transmission device for variable valve drive

#40
20190048763
2019-02-14

Device for controlling at least one valve in an internal combustion engine

#41
20190040802
2019-02-07

Systems and methods for counter flow management and valve motion sequencing in enhanced engine braking

#42
20190040772
2019-02-07

Systems and methods for counter flow management and valve motion sequencing in enhanced engine braking

#43
20180334930
2018-11-22

Common rocker arm for hydraulic lash adjuster and non-hydraulic lash adjuster

#44
20180328240
2018-11-15

Hydraulic early engine exhaust valve opening system

#45
20180283239
2018-10-04

Internal combustion engine and method of assembling thereof

#46
20180283238
2018-10-04

Valve drive for an internal combustion engine

#47
20180274395
2018-09-27

Valve clearance setting and adjustment systems and related methods

#48
20180223705
2018-08-09

Variable valve actuation mechanism, an internal combustion engine, and a vehicle

#49
20180209309
2018-07-26

Valve train carrier assembly

#50
20180195419
2018-07-12

Valvetrain with rocker arm housing magnetic latch

#51
20180187580
2018-07-05

Compression-release engine brake system for lost motion rocker arm assembly and method of operation thereof

#52
20180179920
2018-06-28

Variable valve mechanism for engine

#53
20180080350
2018-03-22

Valve train for an engine

#54
20180058343
2018-03-01

Elevated compression ratio internal combustion engine with multi-stage boosting

#55
20180045083
2018-02-15

Variable valve mechanism of internal combustion engine

#56
20180045082
2018-02-15

Low profile switchable finger follower

#57
20170306809
2017-10-26

Switching rocker arm

#58
20170298786
2017-10-19

Variable valve drive having a rocker lever

#59
20170284232
2017-10-05

Rocker arm and method of manufacturing the same

#60
20170241306
2017-08-24

Motor vehicle drivetrain controller

#61
20170241305
2017-08-24

Engine Braking Method and System

#62
20170218866
2017-08-03

Internal combustion engine air charge control

#63
20170218796
2017-08-03

Hydraulic lash adjuster and method for using hydraulic lash adjuster

#64
20170191385
2017-07-06

Latching solenoid for engine management

#65
20170152769
2017-06-01

Variable valve drive having a rocker lever

#66
20170122135
2017-05-04

Method for setting lash in a mechanically lashed valvetrain having a switching rocker arm

#67
20170114680
2017-04-27

Continuous variable valve duration apparatus and engine provided with the same

#68
20170107866
2017-04-20

Variable valve duration system and engine provided with the same

#69
20170089224
2017-03-30

Rocker base for valve actuation system

#70
20170089223
2017-03-30

Valve actuation system

#71
20170074162
2017-03-16

Combined-cycle combustion control type three-cylinder engine and method for controlling the same

#72
20170030231
2017-02-02

Valve opening and closing apparatus

#73
20160376935
2016-12-29

Valvetrain for an engine

#74
20160348541
2016-12-01

Valve switching apparatus

#75
20160333830
2016-11-17

Internal Combustion Engine Having Dedicated EGR and Increased Rich Limit for Dedicated EGR Cylinder

#76
20160312745
2016-10-27

Piston Engine and Associated Operating Method

#77
20160273415
2016-09-22

VALVE ACTUATION SYSTEM HAVING GROOVED ADJUSTING SCREW

#78
20160265399
2016-09-15

Engine valve actuation mechanism for producing a variable engine valve event

#79
20160265395
2016-09-15

Variable travel valve apparatus for an internal combustion engine

#80
20160194984
2016-07-07

Internal combustion engine

#81
20160177790
2016-06-23

Lash adjuster and method of making same

#82
20160146074
2016-05-26

ENGINE BRAKE LASH ADJUSTER DEVICE AND METHOD

#83
20160017773
2016-01-21

System comprising an accumulator upstream of a lost motion component in a valve bridge

#84
20160017764
2016-01-21

Pushrod assembly

#85
20150108383
2015-04-23

Mechanically controllable valve drive arrangement

#86
20140338622
2014-11-20

VALVE LIFT ADJUSTMENT ARRANGEMENT FOR A MECHANICALLY CONTROLLABLE VALVE DRIVE ARRANGEMENT, AND METHOD FOR ALIGNING AN INTERMEDIATE LEVER ARRANGEMENT

#87
20140326212
2014-11-06

Lost motion valve actuation systems with locking elements including wedge locking elements

#88
20140290609
2014-10-02

Valve lash adjustment system

#89
20140182536
2014-07-03

Reset type rocker braking method and device

#90
20140157611
2014-06-12

Gauge apparatus having profile assembly

#91
20140137819
2014-05-22

Head packaging for cylinder deactivation

#92
20140020654
2014-01-23

Combined rocker arm apparatus for actuating auxiliary valve of engine

#93
20140007829
2014-01-09

Variable travel valve apparatus for an internal combustion engine

#94
20130319370
2013-12-05

Method and apparatus for resetting valve lift for use in engine brake

#95
20130269653
2013-10-17

Auxiliary valve actuating mechanism of engine

#96
20130074792
2013-03-28

Engine Lubrication Method

#97
20130055974
2013-03-07

Desmodromic hydraulic valve train

#98
20130025551
2013-01-31

TUNING AN OVERHEAD VALVE INTERNAL COMBUSTION ENGINE

#99
20120279463
2012-11-08

Internal combustion engine having at least one combustion chamber

#100
20120222303
2012-09-06

Rocker arm assembly including lash adjustment arm and method of assembly

#101
20120131808
2012-05-31

APPARATUS AND METHOD FOR VALVE LASH ADJUSTMENT

#102
20120067331
2012-03-22

Controlling engine braking loads using cat regeneration system (CRS)

#103
20120067307
2012-03-22

Cooling-means-equipped, liquid-cooled engine

#104
20120031223
2012-02-09

Cam follower

#105
20110290206
2011-12-01

Rocker shaft pedestal incorporating an engine valve actuation system or engine brake

#106
20110264403
2011-10-27

Clearance measuring method and measuring unit

#107
20110220061
2011-09-15

Compression brake system for an engine

#108
20110220051
2011-09-15

Push Rod Retainer, Rocker Arm and Method for Retaining Together a Push Rod and a Rocker Arm

#109
20110219767
2011-09-15

CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE EQUIPPED WITH TURBOCHARGER

#110
20110203549
2011-08-25

Internal combustion piston engine with engine braking by opening of exhaust valves

#111
20110186008
2011-08-04

ENGINE BRAKING DEVICE FOR AN INTERNAL COMBUSTION ENGINE

#112
20110185569
2011-08-04

Method and device for adjusting valve clearance

#113
20110174254
2011-07-21

Method and device for measuring and adjusting valve clearance

#114
20110067661
2011-03-24

Lost motion variable valve actuation system with valve catch piston

#115
20110061621
2011-03-17

Valve lash setting process

#116
20110017158
2011-01-27

Engine valve system with variable lift and duration

#117
20110005500
2011-01-13

Timing transmission mechanism in engine

#118
20100307451
2010-12-09

Compression release engine brake unit

#119
20100288229
2010-11-18

Valve mechanism for an engine

#120
20100263612
2010-10-21

Device and method for controlling valves

#121
20100258079
2010-10-14

Engine brake detection

#122
20100251983
2010-10-07

Individual rocker shaft and pedestal mounted engine brake

#123
20100186721
2010-07-29

Variable stroke

#124
20100186692
2010-07-29

Valve operation control system for internal combustion engine

#125
20100170472
2010-07-08

Integrated engine brake with mechanical linkage

#126
20100170471
2010-07-08

Engine braking apparatus with two-level pressure control valves

#127
20100170463
2010-07-08

POWDER METAL ROCKER ARM

#128
20100138020
2010-06-03

CROWNING PROFILE

#129
20100116255
2010-05-13

Secondary air and exhaust gas recirculation for a four-stroke internal combustion engine

#130
20100116231
2010-05-13

Variable valve gear for internal combustion engine

#131
20100108007
2010-05-06

ROCKER SHAFT MOUNTED ENGINE BRAKE

#132
20100077973
2010-04-01

Variable travel valve apparatus for an internal combustion engine

#133
20100043740
2010-02-25

Valve cover housing for internal combustion engines

#134
20100018504
2010-01-28

Variable stroke engine assembly

#135
20100006047
2010-01-14

Rocker arm

#136
20100006046
2010-01-14

Rocker arm

#137
20090320791
2009-12-31

Four-Stroke Engine

#138
20090314231
2009-12-24

V-type internal combustion engine including throttle valve device, and vehicle incorporating same

#139
20090308339
2009-12-17

Switchable valve train device having a single locking pin

#140
20090276992
2009-11-12

METHOD FOR MANUFACTURING RACEWAY MEMBER, METHOD FOR MANUFACTURING VALVE TRAIN AND RACEWAY MEMBER

#141
20090266324
2009-10-29

Rocker arm, rocker shaft, valve cap, adjust screw, pivot receiving member, and valve of arm type valve operating device

#142
20090250031
2009-10-08

Valve lash adjustment and inspection apparatus

#143
20090241870
2009-10-01

VARIABLE INTAKE VALVE ASSEMBLY FOR INTERNAL COMBUSTION ENGINE

#144
20090217896
2009-09-03

Valve drive for an internal combustion engine

#145
20090199796
2009-08-13

ENGINE VALVE DEVICE

#146
20090159029
2009-06-25

Switchable tappet

#147
20090126706
2009-05-21

Exhaust Gas Recirculation Device for Engine

#148
20090126666
2009-05-21

Engine valve operating system

#149
20090107750
2009-04-30

Saddle-riding type small vehicle and motorcycle

#150
20090107429
2009-04-30

Engine for small vehicle

#151
20090107296
2009-04-30

Tappet clearance adjustment device

#152
20090084352
2009-04-02

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

#153
20090070013
2009-03-12

Control system for internal combustion engine

#154
20090056657
2009-03-05

V-type engine for vehicle

#155
20090050091
2009-02-26

CAM FOLLOWER APPARATUS

#156
20090044613
2009-02-19

Apparatus and method for measuring valve lash

#157
20090031972
2009-02-05

Variable valve train apparatus for internal combustion engine

#158
20090020083
2009-01-22

Engine valve operating system

#159
20090018747
2009-01-15

Exhaust valve control method and exhaust valve control device for diesel engine

#160
20090000582
2009-01-01

Variable valve train system for internal combustion engine

#161
20080236342
2008-10-02

Pneumatic tappet adjustment tool

#162
20080216784
2008-09-11

Valve drive having a mechanical valve play position and method for the mounting thereof

#163
20080190390
2008-08-14

Lift amount adjusting device in lift-variable valve-operating mechanism

#164
20080184956
2008-08-07

Internal combustion engine

#165
20080172165
2008-07-17

Control system for internal combustion engine

#166
20080163839
2008-07-10

Rolling bearing for rocker arm

#167
20080162020
2008-07-03

EGR control apparatus and method for internal combustion engine

#168
20080149068
2008-06-26

Internal combustion engine provided with a valve opening variation system and vehicle equipped with such engine

#169
20080141921
2008-06-19

Marine hulls and drives

#170
20080133113
2008-06-05

Plant control system

#171
20080133106
2008-06-05

Variable valve apparatus of internal combustion engine

#172
20080127924
2008-06-05

Tappet clearance automatic adjusting device and adjusting method

#173
20080110422
2008-05-15

Control system and method for internal combustion engine

#174
20080092862
2008-04-24

Internal EGR control system for internal combustion engine

#175
20080066708
2008-03-20

Auxiliary arrangement structure in internal combustion engine

#176
20080059031
2008-03-06

Control System for Vehicle

#177
20080035083
2008-02-14

Internal combustion engine having variable valve operating device

#178
20080022956
2008-01-31

Automatic tappet clearance adjusting device

#179
20080011068
2008-01-17

Apparatus and method of making and using the apparatus for adjusting engine valves

#180
20070266972
2007-11-22

Automatic tappet clearance adjusting device and method

#181
20070266971
2007-11-22

Variable valve lift device for the lift adjustment of gas-exchange valves of an internal combustion engine

#182
20070239343
2007-10-11

Failure detection apparatus for variable valve timing and lift control system of internal combustion engine

#183
20070235007
2007-10-11

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

#184
20070227485
2007-10-04

Method and apparatus for adjusting engine valve clearance

#185
20070227481
2007-10-04

Variable valve device for internal combustion engine

#186
20070221155
2007-09-27

CAM follower

#187
20070215082
2007-09-20

Variable valve device for internal combustion engine

#188
20070199543
2007-08-30

Internal combustion engine

#189
20070157895
2007-07-12

Engine valve operating system

#190
20070151535
2007-07-05

Push rod for rocker arm actuation

#191
20070144472
2007-06-28

Method and system for partial cycle bleeder brake

#192
20070144471
2007-06-28

Engine valve operating system

#193
20070089698
2007-04-26

Lash adjuster and valve system

#194
20070062473
2007-03-22

Variable valve apparatus of internal combustion engine

#195
20070022990
2007-02-01

Valve gear for load change valves of four-stroke internal combustion engines

#196
20070006835
2007-01-11

Desmodromic valve system and retrofit kit for conventional pushrod engines including replaceable cam lobes for adjusting lift and duration and hydraulic lifters for increased reliability

#197
20060288973
2006-12-28

Valve lash adjustment and inspection apparatus

#198
20060288972
2006-12-28

Valve operating apparatus of internal combustion engine

#199
20060283412
2006-12-21

Valve actuation device of internal combustion engine

#200
20060278186
2006-12-14

Variable valve apparatus of internal combustion engine

#201
20060254542
2006-11-16

Hydraulic valve actuation system with valve lash adjustment

#202
20060236969
2006-10-26

Rocker shaft arrangement for an engine

#203
20060236968
2006-10-26

Valvetrain system for an engine

#204
20060130792
2006-06-22

Engine valve clearance adjusting method

#205
20060112918
2006-06-01

Apparatus for an internal combustion engine

#206
20060107916
2006-05-25

Rocker arm

#207
20060081213
2006-04-20

System and method for variable valve actuation in an internal combustion engine

#208
20060021590
2006-02-02

Valve-lift device for the variable control of gas-exchange valves of an internal combustion engine

#209
20050241604
2005-11-03

Rocker arm

#210
20050241600
2005-11-03

Valve train for internal combustion engine

#211
20050224027
2005-10-13

Variable valve apparatus of internal combustion engine

#212
20050211197
2005-09-29

Vibration control arrangement for internal combustion engines

#213
20050205035
2005-09-22

Valve lash adjustment apparatus and method

#214
20050199205
2005-09-15

Adjustable rocker arm assembly for easing valve lash adjustment

#215
20050188966
2005-09-01

System and method for multi-lift valve actuation

#216
20050150474
2005-07-14

Internal combustion engine

#217
20050145212
2005-07-07

Intake and exhaust system for engine

#218
20050098125
2005-05-12

Valve lash adjustment apparatus and method

#219
20050087163
2005-04-28

Lash adjuster for valve actuator

#220
20050028775
2005-02-10

Rocker arm

#221
18972202
2025-08-12

Composite rocker and method of making same

#222
18224607
2024-09-24

Switchable valve bridge

#223
16030914
2019-12-10

Actuation arrangement for a switchable lever