F01L2820/034 - CPC Classification Index

ClassID:

137523 ⎘

F01L2820/034 - CPC Classification

Classification description:

Details on specific features characterising valve gear arrangements; Auxiliary actuators Pneumatic engines

Recent Application in this class:

20240344468

2024-10-17

Variable valve actuation device for engine

20230088803

2023-03-23

Actuator and method for operating an actuator

20220412237

2022-12-29

Camless engine

20220127977

2022-04-28

Internal combustion engine valve system and method

20200347757

2020-11-05

Pneumatic system for an internal combustion engine

20190072009

2019-03-07

Sliding cam system

20170241304

2017-08-24

Valve arrangement

20170037749

2017-02-09

Camshaft phaser using one-way slipper clutches

20170009618

2017-01-12

Modularized multifunctional variable valve actuation system for use in 6-cylinder internal combustion engine

#10

20160290186

2016-10-06

Start of an internal combustion engine with at least one engine valve in an open state during cranking

#11

20120312263

2012-12-13

Variable Geometry Cam Shafts For Multiple-Cylinder Internal Combustion Engines

#12

20110186008

2011-08-04

ENGINE BRAKING DEVICE FOR AN INTERNAL COMBUSTION ENGINE

#13

20090211546

2009-08-27

Method and device for the operation of a valve of the combustion chamber of a combustion engine, and a combustion engine

#14

20070199529

2007-08-30

Variable engine valve actuation system