ClassID:

137183

F01L1/2422 - 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 or a hydraulic adjusting device located between the push rod and rocker arm

Recent Application in this class:
#1
20250052178
2025-02-13

ROCKER SYSTEM, CAMSHAFT, AND VALVE TRAIN FOR USE WITH AN INTERNAL COMBUSTION ENGINE

#2
20230243280
2023-08-03

Switching element for a valve train of an internal combustion engine

#3
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

#4
20220170391
2022-06-02

Self-resetting single-valve hydraulic drive device and method based on primary and secondary pistons for push rod engine

#5
20220145785
2022-05-12

Lost motion variable valve actuation systems and method

#6
20220025790
2022-01-27

VALVE TRAIN ASSEMBLY

#7
20210254512
2021-08-19

Valve train assembly

#8
20210180481
2021-06-17

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

#9
20210148258
2021-05-20

DISCRETE VARIABLE VALVE LIFT ENGINE SYSTEMS AND METHODS

#10
20210010395
2021-01-14

Rocker arm with an oil trough

#11
20200325800
2020-10-15

Two-part lifter assembly

#12
20200232350
2020-07-23

Hydraulic lash adjuster

#13
20200208546
2020-07-02

Cylinder deactivation energy waste management

#14
20190360363
2019-11-28

Valve train carrier assembly

#15
20190153905
2019-05-23

Anti-rotation feature for followers using an oil gallery insert

#16
20190120090
2019-04-25

Valve train assembly

#17
20190107012
2019-04-11

Two-piece block for variable valve train system

#18
20180306073
2018-10-25

Discrete variable valve lift engine systems and methods

#19
20180298794
2018-10-18

Cylinder deactivation control and methods

#20
20180283241
2018-10-04

Compression brake for internal combustion engine

#21
20180274457
2018-09-27

Cylinder deactivation control and methods

#22
20180231116
2018-08-16

Drive unit for straddled vehicle

#23
20180230914
2018-08-16

Cylinder deactivation hydraulic lash adjuster

#24
20180209309
2018-07-26

Valve train carrier assembly

#25
20180195420
2018-07-12

Lash compensator spring end cap

#26
20170276030
2017-09-28

Retention plate

#27
20160376935
2016-12-29

Valvetrain for an engine

#28
20160281547
2016-09-29

Washer member in valve housing of engine

#29
20160215657
2016-07-28

Groove-Less Piston and Tapered Press Fit Hydraulic Lash Adjuster

#30
20160017764
2016-01-21

Pushrod assembly

#31
20130298859
2013-11-14

Hydraulic lash adjuster, a valve train comprising the same and a method of assembling the same

#32
20120325171
2012-12-27

Hydraulic lash adjuster including band of radial recirculation openings

#33
20120186544
2012-07-26

Engine assembly including modified camshaft arrangement

#34
20110271923
2011-11-10

Rocker arm

#35
20110174250
2011-07-21

Auxiliary electric oil booster pump apparatus for a motorcycle

#36
20110000452
2011-01-06

Lash adjuster

#37
20100263612
2010-10-21

Device and method for controlling valves

#38
20090228167
2009-09-10

Diagnostics for two-mode variable valve activation devices

#39
20090223468
2009-09-10

Valve-deactivating oil manifold assembly having an integral direct injection fuel pump and roller hydraulic pump lifter

#40
20080283011
2008-11-20

Pushrod engine with multiple independent lash adjusters for each pushrod

#41
20080083382
2008-04-10

Pushrod engine with multiple independent lash adjusters for each pushrod

#42
20080072857
2008-03-27

Hydraulic valve clearance compensation element

#43
20070074687
2007-04-05

Variable valve lift control system for a combustion engine with underneath camshaft

#44
20060162679
2006-07-27

Assembly and torsional stop device for roller tappets of a drive in an internal combustion engine

#45
20060130794
2006-06-22

Valve train of an internal combustion engine comprising a tappet and a tappet pushrod

#46
20050224030
2005-10-13

Hydraulic lash adjuster and improved method of assembly thereof

#47
20050188938
2005-09-01

Hydraulic lash adjuster and improved method of assembly thereof

#48
14196403
2015-06-09

Valve train hydraulic lash adjuster with partial recirculation feature