F01L3/14 - CPC Classification Index

ClassID:

137260 ⎘

F01L3/14 - CPC Classification

Classification description:

Lift-valve, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces; Parts or accessories thereof; Cooling of valves by means of a liquid or solid coolant, e.g. sodium, in a closed chamber in a valve

Recent Application in this class:

20240240577

2024-07-18

VALUE FOR AN INTERNAL COMBUSTION ENGINE AND PRODUCTION METHOD

20240229687

2024-07-11

HYDROGEN COMBUSTION ENGINE AND PASSENGER CAR AND COMMERCIAL VEHICLE

20220403761

2022-12-22

Method and device for manufacturing hollow, internally cooled valves

20210370376

2021-12-02

Method for producing a hollow valve for internal combustion engines

20210285345

2021-09-16

Cylinder head and engine

20210199029

2021-07-01

Method for producing a hollow valve with an optimised interior stem geometry for internal combustion engines

20210086292

2021-03-25

Internally cooled valve having a valve bottom, and method for the production thereof

20210025297

2021-01-28

Internally cooled valve with inertial pump

20210003044

2021-01-07

Hollow exhaust poppet valve

#10

20200318504

2020-10-08

Valve for internal combustion engines having a coating

#11

20200232354

2020-07-23

Internal combustion engine with at least one hollow-head valve

#12

20200173318

2020-06-04

Cavity valve with optimized shaft interior geometry, and method for producing same

#13

20200149442

2020-05-14

PROCESS FOR MANUFACTURNIG AN INTERNALLY COOLED VALVE HAVING A COOLING STRUCTURE, AND VALVE MANUFACTURED BY SAID METHOD

#14

20200095907

2020-03-26

Hollow engine valve and manufacturing method therefor

#15

20190345851

2019-11-14

Side Draft, Slide Valve Aspiration

#16

20190338682

2019-11-07

Inside-cooled disc valve and a semi-finished product and method for its production

#17

20190257225

2019-08-22

Enhanced oiling for sliding valve aspiration system

#18

20190030595

2019-01-31

Method for filling with metallic sodium

#19

20180347414

2018-12-06

COOLED VALVE FOR INTERNAL COMBUSTION ENGINES HAVING A LOAD RELIEF GROOVE

#20

20180304344

2018-10-25

INTERNALLY COOLED VALVE FOR INTERNAL COMBUSTION ENGINES, AS WELL AS METHOD AND DEVICE FOR THE PRODUCTION THEREOF

#21

20180298793

2018-10-18

Method and device for manufacturing metallic-sodium-filled engine valve

#22

20180274401

2018-09-27

Valve for internal combustion engines having a guide vane for coolant

#23

20180264530

2018-09-20

Highly-viscous substance dispensing method and highly-viscous substance dispensing apparatus

#24

20180171837

2018-06-21

Poppet valve for an internal combustion engine

#25

20180142324

2018-05-24

Method for purifying metallic sodium

#26

20180104776

2018-04-19

Precision forming method of high-efficiency and near-net hollow valve blank of engine

#27

20170348782

2017-12-07

Method for producing a hollow valve

#28

20170276031

2017-09-28

Method for supplying inert gas into poppet valve intermediate and apparatus for supplying inert gas into poppet valve intermediate

#29

20170234175

2017-08-17

Hollow engine valve and manufacturing method therefor

#30

20170204752

2017-07-20

METALLIC HOLLOW VALVE FOR AN INTERNAL COMBUSTION ENGINE OF A UTILITY MOTOR VEHICLE

#31

20160356186

2016-12-08

Hollow poppet valve

#32

20160349047

2016-12-01

Method for the ultrasonic measurement of a wall thickness in hollow valves

#33

20160348545

2016-12-01

Sliding mechanism

#34

20160326919

2016-11-10

Assembly of internal combustion engine valve and valve seat

#35

20160279746

2016-09-29

Method of charging a hollow valve with metallic sodium

#36

20160256965

2016-09-08

Method of manufacturing a hollow poppet valve

#37

20160186621

2016-06-30

Device for producing at least one hollow valve

#38

20160169062

2016-06-16

System and method of cooling valve with material in cavity

#39

20160053641

2016-02-25

Hollow poppet valve

#40

20150354727

2015-12-10

Hollow poppet valve

#41

20150308303

2015-10-29

Intake valve for engine

#42

20150240675

2015-08-27

Hollow poppet valve

#43

20140366373

2014-12-18

Method for producing a hollow engine valve

#44

20140360447

2014-12-11

Gas exchange valve of an internal combustion engine

#45

20140352803

2014-12-04

Hollow poppet valve

#46

20140033533

2014-02-06

Method for manufacturing hollow engine valve

#47

20140033532

2014-02-06

Method for production of valve head portion of hollow engine valve and hollow engine valve

#48

20130313463

2013-11-28

Method for production of valve head portion of hollow engine valve and hollow engine valve

#49

20130276728

2013-10-24

Valve system

#50

20130019474

2013-01-24

Method for producing engine valve in which sodium metal is sealed

#51

20120304464

2012-12-06

METHOD FOR MANUFACTURING HOLLOW ENGINE VALVE

#52

20120255175

2012-10-11

Method for producing hollow engine valve

#53

20120246936

2012-10-04

METHOD FOR PRODUCING METALLIC-SODIUM-FILLED ENGINE VALVE

#54

20120246934

2012-10-04

Method for producing metallic-sodium-filled engine valve

#55

20120228538

2012-09-13

Method for manufacturing valve umbrella portion of hollow engine valve, press device of valve umbrella portion of hollow engine valve, and hollow engine valve

#56