ClassID:

137508

F01L2800/18 - CPC Classification

Classification description:

Methods of operation using a variable valve timing mechanism Testing or simulation

Recent Application in this class:
#1
20210131317
2021-05-06

Development of a switching roller finger follower for cylinder deactivation in internal combustion engines

#2
20210131316
2021-05-06

DEVELOPMENT OF A SWITCHING ROLLER FINGER FOLLOWER FOR CYLINDER DEACTIVATION IN INTERNAL COMBUSTION ENGINES

#3
20200263575
2020-08-20

High performance iron-based alloys for engine valvetrain applications and methods of making and use thereof

#4
20190360369
2019-11-28

Engine valve system

#5
20190353558
2019-11-21

Device and method for cold testing engine component operation

#6
20190331032
2019-10-31

Method and system for variable displacement engine diagnostics

#7
20190249575
2019-08-15

Development of a switching roller finger follower for cylinder deactivation in internal combustion engines

#8
20190234248
2019-08-01

Cylinder head arrangement for variable valve actuation rocker arm assemblies

#9
20190055860
2019-02-21

High performance iron-based alloys for engine valvetrain applications and methods of making and use thereof

#10
20180058275
2018-03-01

Development of a switching roller finger follower for cylinder deactivation in internal combustion engines

#11
20180016951
2018-01-18

Control method and system for stability of intermediate phase continuously variable valve timing system

#12
20170314426
2017-11-02

Output element of a camshaft adjuster having a partial structuring on the contact surface to the camshaft

#13
20170023699
2017-01-26

Method and device for inspecting a valve drive in an internal combustion engine

#14
20160138484
2016-05-19

Systems, methods, and devices for valve stem position sensing

#15
20150292640
2015-10-15

Engine valve

#16
20130312506
2013-11-28

Systems, methods, and devices for valve stem position sensing

#17
20130306019
2013-11-21

High-toughness cobalt-based alloy and engine valve coated with same

#18
20130221261
2013-08-29

Wear-resistant cobalt-based alloy and engine valve coated with same

#19
20120305825
2012-12-06

ENGINE VALVE FOR AUTOMOBILE MADE OF TITANIUM ALLOY EXCELLENT IN HEAT RESISTANCE

#20
20120107169
2012-05-03

Heat-resisting steel for engine valves excellent in high temperature strength

#21
20120105623
2012-05-03

System for Detecting Surface Variations on Engine Cylinder Head Valve Seats

#22
20090276992
2009-11-12

METHOD FOR MANUFACTURING RACEWAY MEMBER, METHOD FOR MANUFACTURING VALVE TRAIN AND RACEWAY MEMBER

#23
20090266324
2009-10-29

Rocker arm, rocker shaft, valve cap, adjust screw, pivot receiving member, and valve of arm type valve operating device

#24
20090141289
2009-06-04

Method for determining at least the position of a movable part of a drive unit such as an internal combustion engine or the similar

#25
20090044780
2009-02-19

Special improved durability engine device for use with stationary power generation systems

#26
20080276753
2008-11-13

Method of Manufacturing Cam Shaft, Cam Shaft, and Cam Lobe Material Used in the Same

#27
20070000302
2007-01-04

Method for testing the function of a hydraulic valve and a test bench for carrying out said method

#28
20050193861
2005-09-08

Iron-based sintered alloy material for valve seat