Patents-Review.com
ClassID:

137192 ⎘

F01L2001/256 - 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 push rod

Recent Application in this class:
#1
20250092804
2025-03-20

CDA LIFTER WITH HYDRAULIC CONTROL FEED FROM OUTSIDE THE ENGINE BLOCK

 #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
20200325800
2020-10-15

Two-part lifter assembly

 #9
20200232351
2020-07-23

Tappet

 #10
20200123939
2020-04-23

Engine valve lifter assemblies

 #11
20190153905
2019-05-23

Anti-rotation feature for followers using an oil gallery insert

 #12
20190112951
2019-04-18

Reciprocating-piston machine

 #13
20180363513
2018-12-20

Engine valve lifter having anti-rotation plug

 #14
20180291771
2018-10-11

Engine valve lifter

 #15
20180187577
2018-07-05

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

 #16
20170342868
2017-11-30

APPARATUS, SYSTEMS AND METHODS FOR INDEXED HYDRAULIC ROLLER LIFTERS

 #17
20170306810
2017-10-26

ENGINE VALVE LIFTER ANTI-ROTATION DEVICE

 #18
20160341078
2016-11-24

Hydraulic compensation element for the valve train of an internal compensation engine

 #19
20140224202
2014-08-14

Lash adjuster

 #20
20140224201
2014-08-14

Lash adjuster

 #21
20090173302
2009-07-09

Switchable double tappet

 #22
20090083959
2009-04-02

HYDRAULIC VALVE-LASH COMPENSATION ELEMENT

 #23
20090078240
2009-03-26

Push rod engine with inboard exhaust

 #24
20090007871
2009-01-08

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

 #25
20080202456
2008-08-28

Engine/valvetrain with shaft-mounted cam followers having dual independent lash adjusters

 #26
20070240659
2007-10-18

Cylinder deactivation apparatus

 #27
20070234989
2007-10-11

VALVE OPERATING ASSEMBLY AND METHOD OF MANUFACTURING

 #28
20070144467
2007-06-28

Valve timing gear of an internal combustion engine

 #29
20070044746
2007-03-01

Hydraulic play compensation device

 #30
20060225684
2006-10-12

Valve-deactivating hydraulic lifter having a vented internal lost motion spring

 #31
20060225683
2006-10-12

Valve-deactivating hydraulic lifter having a vented internal lost motion spring

 #32
20060225682
2006-10-12

Switchable valve-drive component

 #33
20060180110
2006-08-17

Hydraulic lash adjuster

 #34
20060169236
2006-08-03

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

 #35
20060137641
2006-06-29

Force-transmitting arrangement for a valve train of an internal-combustion engine

 #36
20060137640
2006-06-29

Force-transmitting arrangement for a valve train of an internal-combustion engine

 #37
20050229886
2005-10-20

Valve train with hydraulic lash adjustment