ClassID:

137184

F01L2001/2427 - 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 an hydraulic adjusting device located between cam and push rod

Recent Application in this class:
#1
20220333505
2022-10-20

ROLLER HYDRAULIC VALVE LIFTER BEARING

#2
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

#3
20210310381
2021-10-07

Tappet

#4
20210180481
2021-06-17

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

#5
20210131318
2021-05-06

Balanced bridge bleeder brake with HLA

#6
20210131315
2021-05-06

Rocker based bleeder engine brake

#7
20210079817
2021-03-18

Latch pin for use in valve lifter and valve lifter

#8
20200347754
2020-11-05

Cam actuated gas admission valve with electro-hydraulic trim control

#9
20200325800
2020-10-15

Two-part lifter assembly

#10
20200232351
2020-07-23

Tappet

#11
20200123939
2020-04-23

Engine valve lifter assemblies

#12
20190242276
2019-08-08

Hydraulic lash adjuster assembly sleeves

#13
20180363513
2018-12-20

Engine valve lifter having anti-rotation plug

#14
20180347413
2018-12-06

Damper for a high pressure chamber of a variable valve train module

#15
20180187577
2018-07-05

Electro-mechanical hydraulic valve lifter for precise control of fuel consumption

#16
20170306810
2017-10-26

ENGINE VALVE LIFTER ANTI-ROTATION DEVICE

#17
20170234173
2017-08-17

Hydraulic lash adjuster

#18
20170191385
2017-07-06

Latching solenoid for engine management

#19
20160319708
2016-11-03

Engine valve lifter oil flow control and anti-rotation feature

#20
20160061062
2016-03-03

Rocker arm assembly and valvetrain assembly incorporating the same

#21
20150285104
2015-10-08

Roller tappet for a reciprocating-piston combustion engine

#22
20140224202
2014-08-14

Lash adjuster

#23
20140224201
2014-08-14

Lash adjuster

#24
20120042842
2012-02-23

Engine including valve lift mechanism with oil flow control features

#25
20110265456
2011-11-03

Diesel Engine and Method for Flexible Passive Regeneration of Exhaust After-Treatment Devices

#26
20090044775
2009-02-19

Hydraulic lash adjuster with damping device

#27
20080141965
2008-06-19

Hydraulic cam follower

#28
20070295293
2007-12-27

Valve lifter assembly for selectively deactivating a cylinder

#29
20070119397
2007-05-31

Engine and valvetrain with dual pushrod lifters and independent lash adjustment

#30
20070039575
2007-02-22

Guide rail for valve tappet of an internal combustion engine

#31
20070039174
2007-02-22

Manufacturing a rocker lever using cold forming and welding

#32
20070012273
2007-01-18

Force transmitting arrangement for a valve drive of an internal combustion engine

#33
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

#34
20060185636
2006-08-24

Manufacturing a rocker lever using cold forming and welding

#35
20060162679
2006-07-27

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

#36
20050268875
2005-12-08

Valve operating assembly and method of manufacturing

#37
20050205034
2005-09-22

Leakdown plunger

#38
20050132993
2005-06-23

Coupling mechanism

#39
20050109301
2005-05-26

Leakdown plunger

#40
20050045142
2005-03-03

Oil pressure control system and method for engines with hydraulic cylinder deactivation