ClassID:

137398

F01L2013/105 - CPC Classification

Classification description:

Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations; Auxiliary actuators for variable valve timing Hydraulic motors

Recent Application in this class:
#1
20250003357
2025-01-02

System for synchronizing switching

#2
20240052763
2024-02-15

Rocker arm valve mechanism

#3
20230250742
2023-08-10

VARIABLE VALVE TIMING SYSTEM

#4
20230235685
2023-07-27

Rocker arms

#5
20230102765
2023-03-30

Castellation assembly, lash capsule, and rocker arm

#6
20230016116
2023-01-19

Valve actuation device for actuating at least two gas exchange valves of an internal combustion engine, method for operating such a valve actuation device and internal combustion engine

#7
20220389878
2022-12-08

Method for controlling a valve arrangement

#8
20220307389
2022-09-29

Cylinder deactivation and engine brake mechanism for type III center pivot valvetrains

#9
20220074321
2022-03-10

Switchable actuation device for a poppet valve in an internal combustion engine, internal combustion engine and motor vehicle

#10
20210102479
2021-04-08

Actuation apparatus

#11
20210040868
2021-02-11

Actuation apparatus

#12
20200300131
2020-09-24

Coupling device for a valve-actuating device

#13
20200191023
2020-06-18

Ball engine brake mechanism

#14
20200003089
2020-01-02

Oil flow system for engine cylinder deactivation

#15
20190368391
2019-12-05

Valve drive for an internal combustion engine, internal combustion engine comprising such a valve drive, and method for operating an internal combustion engine comprising such a valve drive

#16
20190360363
2019-11-28

Valve train carrier assembly

#17
20190264584
2019-08-29

Lash adjuster control in engine valve actuation systems

#18
20190249618
2019-08-15

System and method for diagnosing a variable displacement engine

#19
20190234248
2019-08-01

Cylinder head arrangement for variable valve actuation rocker arm assemblies

#20
20190145289
2019-05-16

Lash adjustment in lost motion engine systems

#21
20190085738
2019-03-21

Rocker arm assembly for engine braking

#22
20190078474
2019-03-14

Engine brake device

#23
20190072011
2019-03-07

Actuation apparatus for variable valve drive

#24
20190063267
2019-02-28

Switchable rocker arm with a travel stop

#25
20190048762
2019-02-14

Variable valve control system having common valve and engine system having the same

#26
20190032521
2019-01-31

Sliding cam system

#27
20190003352
2019-01-03

Internal combustion engine

#28
20190003351
2019-01-03

Variable valve operating apparatus

#29
20180355770
2018-12-13

Oil flow system for engine cylinder deactivation

#30
20180283240
2018-10-04

Valve drive for an internal combustion engine

#31
20180283238
2018-10-04

Valve drive for an internal combustion engine

#32
20180274396
2018-09-27

Valve drive for an internal combustion engine

#33
20180209309
2018-07-26

Valve train carrier assembly

#34
20180187580
2018-07-05

Compression-release engine brake system for lost motion rocker arm assembly and method of operation thereof

#35
20180171881
2018-06-21

Variable valve actuator having low-pressure relief

#36
20170167319
2017-06-15

Variable valve duration/variable valve lift system and engine provided with the same

#37
20170107866
2017-04-20

Variable valve duration system and engine provided with the same

#38
20160312669
2016-10-27

Variable valve mechanism of internal combustion engine

#39
20150122220
2015-05-07

Hydraulic lash adjuster

#40
20150047587
2015-02-19

Operating internal combustion engines

#41
20120279463
2012-11-08

Internal combustion engine having at least one combustion chamber

#42
20050189510
2005-09-01

Electromagnetic hydraulic valve, typically a 3/2 directional switching valve for controlling a variable valve train of an internal combustion engine

#43
18507667
2024-08-06

Vehicle system

#44
18462464
2024-06-04

System and method for variable valve timing