F01L1/245 - CPC Classification Index

ClassID:

137188 ⎘

F01L1/245 - 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

Sub-classes:

F01L1/25 » between cam and valve stem 38
F01L1/255 » between cam and rocker arm 34
F01L2001/256 » {between cam and push rod} 36

Recent Application in this class:

20250092804

2025-03-20

CDA LIFTER WITH HYDRAULIC CONTROL FEED FROM OUTSIDE THE ENGINE BLOCK

20210310381

2021-10-07

Tappet

20200232351

2020-07-23

Tappet

20200123936

2020-04-23

Hydraulic support element

20200025045

2020-01-23

Tappet

20200018195

2020-01-16

Sliding spring contacts providing electrical power to rocker arms

20190162085

2019-05-30

System and method for actuating an engine valve of an internal combustion engine

20190153905

2019-05-23

Anti-rotation feature for followers using an oil gallery insert

20190112951

2019-04-18

Reciprocating-piston machine

#10

20180355768

2018-12-13

Hydraulic support element with a ring filter

#11

20180291773

2018-10-11

PROCESS FOR THE PREPARATION OF LOMITAPIDE

#12

20180291771

2018-10-11

Engine valve lifter

#13

20180283224

2018-10-04

Hydraulic support element

#14

20180195420

2018-07-12

Lash compensator spring end cap

#15

20180187577

2018-07-05

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

#16

20180156078

2018-06-07

ENGINE VALVE LIFTER OIL FLOW CONTROL AND ANTI-ROTATION FEATURE

#17

20180045086

2018-02-15

VALVETRAIN ASSEMBLY WITH DEACTIVATION

#18

20180045084

2018-02-15

Valve train assembly

#19

20170342951

2017-11-30

High pressure oil pump roller tappet

#20

20170342868

2017-11-30

APPARATUS, SYSTEMS AND METHODS FOR INDEXED HYDRAULIC ROLLER LIFTERS

#21

20170342867

2017-11-30

Columnar hydraulic tappet

#22

20170306810

2017-10-26

ENGINE VALVE LIFTER ANTI-ROTATION DEVICE

#23

20170218796

2017-08-03

Hydraulic lash adjuster and method for using hydraulic lash adjuster

#24

20170184017

2017-06-29

System for variable actuation of a valve of an internal-combustion engine

#25

20170044937

2017-02-16

Hydraulic lash adjuster

#26

20160341078

2016-11-24

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

#27

20160298502

2016-10-13

Columnar hydraulic tappet

#28

20160102585

2016-04-14

Switching oil gallery de-aeration

#29

20150275834

2015-10-01

Fuel pump tappet assembly

#30

20150167507

2015-06-18

Deactivating tappet

#31

20140190450

2014-07-10

Cylinder head of engine

#32

20130000573

2013-01-03

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

#33

20120272932

2012-11-01

FLUID PRESSURE CONTROL VALVE

#34

20100281966

2010-11-11

Two-step oil control valve diagnostic systems

#35

20100275866

2010-11-04

Switchable Valve Lifter Having a Mis-Assembly Indicator

#36

20090308339

2009-12-17

Switchable valve train device having a single locking pin

#37

20090288626

2009-11-26

Valve bridge having a centrally positioned hydraulic lash adjuster

#38

20090266319

2009-10-29

SYSTEM AND METHOD FOR PROVIDING HYDRAULIC VALVE LASH COMPENSATION FOR ELECTRICALLY ACTUATED INTERNAL COMBUSTION ENGINE POPPET VALVES

#39

20090255495

2009-10-15

Method of variable valve timing in an internal combustion engine

#40

20090199803

2009-08-13

Mechanical lash ring for a switchable valve train member

#41

20090199802

2009-08-13

Lash adjuster

#42

20090151679

2009-06-18

Hydraulic pressure control device of variable valve system

#43

20090145391

2009-06-11

SWITCHING ELEMENT FOR A VALVE TRAIN OF AN INTERNAL COMBUSTION ENGINE

#44

20090090324

2009-04-09

Sealed lash adjuster and method for adjusting amount of liquid sealed in sealed lash adjuster

#45

20090083959

2009-04-02

HYDRAULIC VALVE-LASH COMPENSATION ELEMENT

#46

20090050102

2009-02-26

Oil filter having an integral metering orifice for a valve lifter oil manifold assembly

#47

20090031976

2009-02-05

Hydraulic lash compensation device with mechanical lift loss feature

#48

20090031969

2009-02-05

FREELY ROTATABLE HYDRAULIC PIVOT ELEMENT

#49

20090013950

2009-01-15

Dual valve lifter assembly

#50

20090013943

2009-01-15

Switchable support element for a valve train of an internal combustion engine

#51

20090007872

2009-01-08

Switchable dual lifter

#52

20080314343

2008-12-25

Valve-deactivating hydraulic lifter having a contoured pin housing bottom surface

#53

20080271694

2008-11-06

Limited travel hydraulic lifter and methods of assembly and use thereof

#54

20080202456

2008-08-28

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

#55

20080196684

2008-08-21

Hydraulic lash adjuster

#56

20080149054

2008-06-26

Hydraulic cam follower

#57

20080127915

2008-06-05

Motor engine family

#58

20080087244

2008-04-17

Hydraulic valve lash adjuster with idle stroke function for a valve train of an internal combustion engine

#59

20080073608

2008-03-27

Hydraulic valve play compensating element

#60

20080072857

2008-03-27

Hydraulic valve clearance compensation element

#61

20080066704

2008-03-20

Open ended mini lash adjuster

#62

20070272192

2007-11-29

Device for Filtering Lubricating Oil

#63

20070272185

2007-11-29

HYDRAULIC LASH ADJUSTER FOR AN INTERNAL COMBUSTION ENGINE

#64

20070215087

2007-09-20

Device for hydraulic lash adjustment

#65

20070215080

2007-09-20

VARIABLE VALVE ACTUATION

#66

20070209617

2007-09-13

Assembly process for hydraulic valve lifters to reduce variation in valve lift

#67

20070193544

2007-08-23

Valve lifter body

#68

20070105465

2007-05-10

Watercraft Having a Four Stroke Engine with a Supercharger

#69

20070068465

2007-03-29

Watercraft having a four stroke engine with a supercharger

#70

20070044746

2007-03-01

Hydraulic play compensation device

#71

20070039575

2007-02-22

Guide rail for valve tappet of an internal combustion engine

#72

20070012273

2007-01-18

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

#73

20060254542

2006-11-16

Hydraulic valve actuation system with valve lash adjustment

#74

20060219199

2006-10-05

Switching element

#75

20060219198

2006-10-05

Variable valve drive for changing the control timing of cam-actuated gas-exchange valves

#76

20060201466

2006-09-14

Hydraulic valve play compensation element

#77

20060191503

2006-08-31

Switching element for a valve train of an internal combustion engine

#78

20060180110

2006-08-17

Hydraulic lash adjuster

#79

20060169236

2006-08-03

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

#80

20060130795

2006-06-22

Valve lifter body

#81

20060130794

2006-06-22

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

#82

20060118074

2006-06-08

Variable cam follower for an internal combustion engine

#83

20050268875

2005-12-08

Valve operating assembly and method of manufacturing

#84

20050229980

2005-10-20

Method of setting the ball travel of a valve-lash-adjusting element

#85

20050205034

2005-09-22

Leakdown plunger

#86

20050178351

2005-08-18

Hydraulic support element

#87

20050166880

2005-08-04

Switch element

#88

20050126520

2005-06-16

Anti-rotation guide for a deactivation hydraulic valve lifter

#89

20050120989

2005-06-09

Switching element for a valve train of an internal combustion engine

#90

20050109301

2005-05-26

Leakdown plunger

#91

20050005884

2005-01-13

Switching element for a valve drive of an internal combustion engine

#92

15791600

2019-04-02

Axleless roller valve lifter