ClassID:

137530

F01L2820/045 - CPC Classification

Classification description:

Details on specific features characterising valve gear arrangements; Sensors Valve lift

Recent Application in this class:
#1
20230103945
2023-04-06

Internal combustion engine comprising a decentralized valve-control arrangement and method therefor

#2
20210131317
2021-05-06

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

#3
20210131316
2021-05-06

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

#4
20210095580
2021-04-01

Rocker arm motion detection for diagnostic feedback and control

#5
20200063611
2020-02-27

METHOD OF CONTINUOUSLY VARIABLE VALVE DURATION POSITION LEARNING BASED ON RE-LEARNING SITUATION CLASSIFICATION AND CONTINUOUSLY VARIABLE VALVE DURATION SYSTEM THEREFOR

#6
20190249575
2019-08-15

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

#7
20190234248
2019-08-01

Cylinder head arrangement for variable valve actuation rocker arm assemblies

#8
20180058275
2018-03-01

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

#9
20170254635
2017-09-07

Method of detecting lift amount of valve

#10
20170248073
2017-08-31

Custom VVA rocker arms for left hand and right hand orientations

#11
20170081992
2017-03-23

METHOD AND DEVICE FOR DIAGNOSE OF VALVES OF AN INTERNAL COMBUSTION ENGINE

#12
20160201593
2016-07-14

Method and system for fuel injection

#13
20160169183
2016-06-16

Reciprocating piston internal combustion engine including a sensor system on a gas exchange valve

#14
20160138484
2016-05-19

Systems, methods, and devices for valve stem position sensing

#15
20160115830
2016-04-28

Detection apparatus for at least one of temperature and pressure in a cylinder of an internal combustion engine

#16
20160024981
2016-01-28

System and method for safe valve activation in a dynamic skip firing engine

#17
20150247718
2015-09-03

Method and position sensor assembly for determining a mutual position between a first object and a second object

#18
20140251242
2014-09-11

Engine valve position sensing systems and methods

#19
20130325290
2013-12-05

System and method for calibrating a valve lift sensor and evaluating a valve lift sensor and a hydraulic valve actuator

#20
20130312506
2013-11-28

Systems, methods, and devices for valve stem position sensing

#21
20130285590
2013-10-31

Reference angle detecting device

#22
20120073534
2012-03-29

VALVE LIFTER FOR INTERNAL COMBUSTION ENGINE

#23
20110184630
2011-07-28

Method for controlling an engine valve of an internal combustion engine

#24
20110166766
2011-07-07

Method for controlling the movement of a component that moves towards a position defined by a limit stop in an internal combustion engine

#25
20110062356
2011-03-17

Position sensor unit and valve arrangement

#26
20110035132
2011-02-10

Method for automatically controlling an internal combustion engine

#27
20110015849
2011-01-20

Intake air control apparatus for vehicular internal combustion engine

#28
20100307433
2010-12-09

Hydraulically operated valve actuation and internal combustion engine with such a valve actuation

#29
20100175662
2010-07-15

INTERNAL COMBUSTION ENGINE CONTROL APPARATUS AND CONTROL METHOD THEREOF

#30
20090206288
2009-08-20

Method and device for controlling a hydraulic actuator

#31
20090082944
2009-03-26

Process for controlling an internal combustion engine

#32
20090014672
2009-01-15

Method and device for controlling a hydraulic actuator

#33
20080087344
2008-04-17

Control valve assembly

#34
20070272178
2007-11-29

Semi-active compressor valve

#35
20070163531
2007-07-19

Method for stopping and starting an internal combustion engine having a variable event valvetrain

#36
20070012268
2007-01-18

Control apparatus for internal combustion engine

#37
20060157010
2006-07-20

Hydraulic valve driving device and engine including the same and vehicle

#38
20060081202
2006-04-20

Valve lift sensor

#39
20050241699
2005-11-03

Device for measuring the lift of poppet valves

#40
20050193970
2005-09-08

Valve characteristic changing apparatus for internal combustion engine

#41
20050193968
2005-09-08

Learning apparatus and method for variable valve control of internal combustion engine

#42
20050168215
2005-08-04

Sensor detecting movement of a control element moved by an actuator