ClassID:

137181

F01L1/2411 - CPC Classification

Classification description:

Valve-gear or valve arrangements, e.g. lift-valve gear; Adjusting or compensating clearance automatically, e.g. mechanically by fluid means, e.g. hydraulically by means of a hydraulic adjusting device located between the valve stem and rocker arm

Recent Application in this class:
#1
20250215816
2025-07-03

SELF-CONTAINED COMPRESSION BRAKE CONTROL MODULE FOR INTEGRATED ROCKER ARM ENGINE BRAKING AND METHODS

#2
20250172074
2025-05-29

ROCKER ARM ASSEMBLY WITH ROTATION-LOCKING MECHANISM

#3
20250137391
2025-05-01

Rocker Arm Assembly Comprising Swing Bridge

#4
20250129729
2025-04-24

ROCKER ARM ASSEMBLY

#5
20250101891
2025-03-27

Rocker Arm for Brake with Integrated Hydraulic Capsule

#6
20250075644
2025-03-06

Swing Bridge

#7
20250043704
2025-02-06

HYDRAULIC CAPSULE FOR HYDRAULIC LASH ADJUSTMENT

#8
20250043703
2025-02-06

VALVE BRIDGE WITH INTEGRATED SPLINE BUSHING FOR LOST MOTION

#9
20250020071
2025-01-16

Hydraulic Lash Adjustment-Compatible Engine Braking System with Guided Bridge Arrangement

#10
20240384670
2024-11-21

Integrated Rocker for High Power Engine Braking

#11
20240360778
2024-10-31

SELF-CONTAINED COMPRESSION BRAKE CONTROL MODULE FOR INTEGRATED ROCKER ARM ENGINE BRAKING AND METHODS

#12
20240287920
2024-08-29

Rocker arm with a reset slider disposed in a lash adjustment assembly

#13
20240280037
2024-08-22

VALVE ACTUATION SYSTEM COMPRISING ROCKER ASSEMBLIES SHARING AN OUTPUT ROCKER

#14
20240280036
2024-08-22

ROCKER ARM WITH OUTWARDLY SPRUNG HYDRAULIC ACTUATOR PISTON

#15
20240254899
2024-08-01

Rocker arm assembly with rotation-locking mechanism

#16
20240209758
2024-06-27

Rocker arm assembly

#17
20240200476
2024-06-20

Valve actuation system comprising rocker assemblies with one-way coupling therebetween

#18
20240093622
2024-03-21

Latch assembly and valvetrain comprising same

#19
20240052763
2024-02-15

Rocker arm valve mechanism

#20
20240052762
2024-02-15

Combined valve actuating devices with specialized actuating cams for hydraulic lash self-adjustment

#21
20240044266
2024-02-08

Swing bridge

#22
20240044265
2024-02-08

Rocker arm assembly comprising swing bridge

#23
20230407773
2023-12-21

Self-contained compression brake control module for integrated rocker arm engine braking and methods

#24
20230366335
2023-11-16

Switchable rocker arm for controlling the lift of a valve bridge or a single valve of valve train group of an internal combustion engine and valve train group comprising at least a such switchable rocker arm

#25
20230332520
2023-10-19

Rocker arm mechanism and engine assembly

#26
20230235687
2023-07-27

COMPACT ENGINE BRAKE WITH PRESSURE-CONTROL RESET

#27
20230167754
2023-06-01

Rocker arm assembly

#28
20220356822
2022-11-10

Compression release type engine brake

#29
20220307392
2022-09-29

Compact engine brake with pressure-control reset

#30
20220298935
2022-09-22

Valve actuation system comprising in-series lost motion components deployed in a pre-rocker arm valve train component and valve bridge

#31
20220290586
2022-09-15

HLA arrangement using cold formed plunger and manufacturing simplifications

#32
20220268183
2022-08-25

Type II valvetrain and hydraulic engine brake arrangement

#33
20220205372
2022-06-30

Compression release type engine brake

#34
20220003131
2022-01-06

Oil control assembly and engine system for variable valve actuation

#35
20210372299
2021-12-02

Castellation mechanism with reverse reset

#36
20210324770
2021-10-21

Type II valvetrains to enable variable valve actuation

#37
20210310380
2021-10-07

Hybrid variable valve actuation system

#38
20210254562
2021-08-19

Two stroke engine braking via cylinder deactivation and late intake valve closing

#39
20210180481
2021-06-17

Valve actuation system comprising in-series lost motion components for use in cylinder deactivation and auxiliary valve actuations

#40
20210131318
2021-05-06

Balanced bridge bleeder brake with HLA

#41
20210131315
2021-05-06

Rocker based bleeder engine brake

#42
20210102482
2021-04-08

Socket module of compression release type engine brake and operating method of engine brake using thereof

#43
20210102481
2021-04-08

Socket module of compression release type engine brake and operating method of engine brake using thereof

#44
20210087950
2021-03-25

Rocker assembly with a hydraulic lash adjuster

#45
20210062686
2021-03-04

Automatic lash adjuster for use with high compression internal combustion engines

#46
20200400047
2020-12-24

Valve train including engine braking system

#47
20200370448
2020-11-26

Engine system and components for cylinder deactivation and early exhaust valve opening

#48
20200318502
2020-10-08

Device for varying load of valve system

#49
20200224559
2020-07-16

Rocker arm assembly

#50
20200191027
2020-06-18

Linkage between an auxiliary motion source and a main motion load path in an internal combustion engine

#51
20200131946
2020-04-30

Rocker arm for an internal combustion engine

#52
20200040777
2020-02-06

Rocker arm assembly for engine braking

#53
20190360362
2019-11-28

Eccentric hydraulic lash adjuster for use with compression release brake

#54
20190264584
2019-08-29

Lash adjuster control in engine valve actuation systems

#55
20190257220
2019-08-22

Switchable rocker arm with lash adjustment

#56
20190178113
2019-06-13

Modular rocker arm

#57
20190085738
2019-03-21

Rocker arm assembly for engine braking

#58
20190055861
2019-02-21

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

#59
20190010835
2019-01-10

Rocker arm assembly

#60
20180371961
2018-12-27

Force transmission device

#61
20180223701
2018-08-09

Hydraulic lash adjuster

#62
20180202326
2018-07-19

Arrangement for a valve train assembly

#63
20180163578
2018-06-14

VARIABLE VALVE LIFT APPARATUS

#64
20180080350
2018-03-22

Valve train for an engine

#65
20180051597
2018-02-22

Valve bridge with internal oil transportation

#66
20180003088
2018-01-04

Rocker arm assembly for engine braking

#67
20170362966
2017-12-21

Variable valve mechanism for internal combustion engine

#68
20170321576
2017-11-09

Oil control for rocker arm and hydraulic lash adjuster

#69
20170314429
2017-11-02

Pivot bearing of a hydraulic clearance compensation element

#70
20170298786
2017-10-19

Variable valve drive having a rocker lever

#71
20170284234
2017-10-05

Valve train system

#72
20170276030
2017-09-28

Retention plate

#73
20170175665
2017-06-22

Internal combustion engine having an engine backpressure brake and a compression release engine brake

#74
20170175598
2017-06-22

Internal combustion engine having an engine backpressure brake and a compression release engine brake

#75
20170101906
2017-04-13

VALVE OPERATING APPARATUS FOR INTERNAL COMBUSTION ENGINE

#76
20170051639
2017-02-23

Valve bridge assembly

#77
20170051638
2017-02-23

Valve train assembly

#78
20170009610
2017-01-12

Switchable rocker arm with pivot joint

#79
20160376935
2016-12-29

Valvetrain for an engine

#80
20160369660
2016-12-22

Valve train of a reciprocating piston internal combustion engine

#81
20160369659
2016-12-22

Transmission element for reciprocating piston internal combustion engines

#82
20160281547
2016-09-29

Washer member in valve housing of engine

#83
20160273416
2016-09-22

Valve actuation system having rocker-located hydraulic reservoir

#84
20160230679
2016-08-11

Variable valve operating system

#85
20160201524
2016-07-14

Bridge assembly having motion-limited valve

#86
20160201523
2016-07-14

Compact valve bridge assembly having cartridge insert

#87
20160076407
2016-03-17

Variable valve lift apparatus

#88
20150354418
2015-12-10

Linkage between an auxiliary motion source and a main motion load path in an internal combustion engine

#89
20150330265
2015-11-19

Control device of internal combustion engine and variable valve device of internal combustion engine

#90
20150260059
2015-09-17

Decompression device for internal combustion engine

#91
20150226095
2015-08-13

Switchable finger follower with combined lost motion spring and hydraulic lash adjuster clip

#92
20150122220
2015-05-07

Hydraulic lash adjuster

#93
20150114330
2015-04-30

Variable valve device that varies lift amount of valve

#94
20150021508
2015-01-22

Valve bridge assembly having replaceable sleeve inserts

#95
20150013627
2015-01-15

Engine valve control mechanism

#96
20140366827
2014-12-18

Lash adjuster

#97
20130269637
2013-10-17

DIRECT ACTING VARIABLE VALVE LIFT APPARATUS

#98
20130000573
2013-01-03

HYDRAULIC VALVE PLAY COMPENSATING ELEMENT FOR RECIPROCATING-PISTON INTERNAL COMBUSTION ENGINES

#99
20120210964
2012-08-23

Variable valve actuation system and method using variable oscillating cam

#100
20120186549
2012-07-26

OSCILLATING LEVER IN A VALVE TRAIN OF AN INTERNAL-COMBUSTION ENGINE

#101
20120137995
2012-06-07

DIRECT ACTING VARIABLE VALVE LIFT APPARATUS

#102
20110303174
2011-12-15

Variable valve apparatus of internal combustion engine

#103
20110290206
2011-12-01

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

#104
20110220052
2011-09-15

INTERNAL COMBUSTION PISTON ENGINE WITH AN ADJUSTABLE INFLATING ELEMENT

#105
20110197833
2011-08-18

Variable lost motion valve actuator and method

#106
20110094467
2011-04-28

LASH ADJUSTER

#107
20110000452
2011-01-06

Lash adjuster

#108
20100251983
2010-10-07

Individual rocker shaft and pedestal mounted engine brake

#109
20100186710
2010-07-29

Exhaust valve mechanism for an internal combustion engine

#110
20090199802
2009-08-13

Lash adjuster

#111
20090178637
2009-07-16

Sliding-pivot locking mechanism for an overhead cam with multiple rocker arms

#112
20090107428
2009-04-30

Variable displacement engine having selectively engageable rocker arm with positioning device

#113
20080229578
2008-09-25

ROCKER ARM WITH INTEGRAL INTERNAL OIL PASSAGES

#114
20080190391
2008-08-14

Valve train assembly with magnet

#115
20080127915
2008-06-05

Motor engine family

#116
20080072857
2008-03-27

Hydraulic valve clearance compensation element

#117
20070266973
2007-11-22

VALVE ACTUATING MECHANISM

#118
20070157895
2007-07-12

Engine valve operating system

#119
20070105465
2007-05-10

Watercraft Having a Four Stroke Engine with a Supercharger

#120
20070089698
2007-04-26

Lash adjuster and valve system

#121
20070068465
2007-03-29

Watercraft having a four stroke engine with a supercharger

#122
20070044743
2007-03-01

Variable valve train of an internal combustion engine

#123
20060236963
2006-10-26

Hydraulic tappet

#124
20060236962
2006-10-26

Valve-operating system for internal combustion engine

#125
18114466
2023-11-07

Valve actuation system having lifter sleeves configured for control fluid communication with valve lifter activation-deactivation switches

#126
17185536
2021-11-23

Type II valvetrain and hydraulic engine brake arrangement

#127
16560546
2020-10-06

Automatic lash adjuster for use with high compression internal combustion engines

#128
16451699
2020-11-03

Valve train arrangement including engine brake system and lost-motion hydraulic lash adjuster