ClassID:

137191

F01L1/255 - 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; Hydraulic tappets between cam and rocker arm

Recent Application in this class:
#1
20230332520
2023-10-19

Rocker arm mechanism and engine assembly

#2
20220170390
2022-06-02

Self-resetting single-valve double-piston hydraulic drive device and method for overhead cam engine

#3
20220145785
2022-05-12

Lost motion variable valve actuation systems and method

#4
20210310381
2021-10-07

Tappet

#5
20200191022
2020-06-18

Valve train with switchable engine braking

#6
20200123939
2020-04-23

Engine valve lifter assemblies

#7
20190145289
2019-05-16

Lash adjustment in lost motion engine systems

#8
20180283241
2018-10-04

Compression brake for internal combustion engine

#9
20170218796
2017-08-03

Hydraulic lash adjuster and method for using hydraulic lash adjuster

#10
20160273414
2016-09-22

Valve mechanism for internal combustion engine

#11
20150308300
2015-10-29

Rocker arm clip retention feature

#12
20150275834
2015-10-01

Fuel pump tappet assembly

#13
20150240671
2015-08-27

Variable valve device for internal combustion engine

#14
20140224202
2014-08-14

Lash adjuster

#15
20110000452
2011-01-06

Lash adjuster

#16
20090145391
2009-06-11

SWITCHING ELEMENT FOR A VALVE TRAIN OF AN INTERNAL COMBUSTION ENGINE

#17
20090095240
2009-04-16

Switchable component for a valve train of an internal combustion engine

#18
20090007871
2009-01-08

Valve train of an internal combustion engine having a cylindrical valve tappet

#19
20080283011
2008-11-20

Pushrod engine with multiple independent lash adjusters for each pushrod

#20
20080196684
2008-08-21

Hydraulic lash adjuster

#21
20080190391
2008-08-14

Valve train assembly with magnet

#22
20080173268
2008-07-24

Hydraulic-pressure actuated locking mechanism and method

#23
20080083382
2008-04-10

Pushrod engine with multiple independent lash adjusters for each pushrod

#24
20080072857
2008-03-27

Hydraulic valve clearance compensation element

#25
20060219199
2006-10-05

Switching element

#26
20060201466
2006-09-14

Hydraulic valve play compensation element

#27
20060191503
2006-08-31

Switching element for a valve train of an internal combustion engine

#28
20060180110
2006-08-17

Hydraulic lash adjuster

#29
20060169236
2006-08-03

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

#30
20060162684
2006-07-27

Hydraulic valve lifter assembly

#31
20060090720
2006-05-04

Readily-fillable hydraulic valve lifter assembly

#32
20060081206
2006-04-20

Hydraulic lash adjuster

#33
20060042582
2006-03-02

Switchable cam follower

#34
20050166880
2005-08-04

Switch element

#35
20050120989
2005-06-09

Switching element for a valve train of an internal combustion engine