Patents-Review.com
ClassID:

137520 ⎘

F01L2820/031 - CPC Classification

Classification description:

Details on specific features characterising valve gear arrangements; Auxiliary actuators Electromagnets

Recent Application in this class:
#1
20250146429
2025-05-08

A PHASE CHANGE SYSTEM FOR OPENING AND/OR CLOSING INTAKE VALVES

 #2
20250109698
2025-04-03

VARIABLE VALVE DEVICE

 #3
20250101979
2025-03-27

Control Device for Hydraulic Control Valve

 #4
20250059898
2025-02-20

Rocker with Switchable Rollers for Engine Valvetrains

 #5
20250020072
2025-01-16

Multi-cylinder internal combustion engine, with cylinders equipped with intake valve variable actuation systems having hydraulic circuits which cross each other

 #6
20240318582
2024-09-26

Shift gate, sliding cam system and camshaft

 #7
20240093622
2024-03-21

Latch assembly and valvetrain comprising same

 #8
20240011418
2024-01-11

Deactivating rocker arm and capsules

 #9
20230184144
2023-06-15

Lost motion mechanisms and actuators

 #10
20230160324
2023-05-25

Valve train assembly

 #11
20220412237
2022-12-29

Camless engine

 #12
20220298933
2022-09-22

Recirculating hydraulic fluid control valve

 #13
20220251978
2022-08-11

Variable valve train for an engine braking mode

 #14
20220243621
2022-08-04

Internal combustion engine with fast combustion and method of control of such an engine

 #15
20220213820
2022-07-07

Deactivating rocker arm and capsules

 #16
20220186640
2022-06-16

Slide cam system and motor

 #17
20220082036
2022-03-17

Electromagnetic actuator

 #18
20220074322
2022-03-10

Oil cooling for electromagnetic latch housed in rocker arm

 #19
20210277807
2021-09-09

Valve train assembly

 #20
20210254516
2021-08-19

Valve drive device with switchover device

 #21
20210246814
2021-08-12

Electrically activated valve actuator for an internal combustion engine

 #22
20210222593
2021-07-22

Valve timing adjusting device

 #23
20210199030
2021-07-01

Fully variable valve train with rotary plunger for internal combustion engine

 #24
20210189920
2021-06-24

Actuator control system for bi-stable electric rocker arm latches

 #25
20210148256
2021-05-20

Mechanical cam phasing systems and methods

 #26
20210148255
2021-05-20

Control apparatus for camshaft phaser

 #27
20210062685
2021-03-04

Switch providing on-board diagnostic feedback for electromagnetically actuated latching rocker arm assembly

 #28
20210047948
2021-02-18

Electromagnetic latch assembly with flexible latch pin coupling

 #29
20210003047
2021-01-07

Electromagnetic Control Device, In Particular for Adjusting Camshafts of an Internal Combustion Engine

 #30
20210003046
2021-01-07

Electromagnetic control device, in particular for adjusting camshafts of an internal combustion engine

 #31
20200347757
2020-11-05

Pneumatic system for an internal combustion engine

 #32
20200182106
2020-06-11

Mechanical cam phasing systems and methods

 #33
20190376421
2019-12-12

Camshaft adjustment device for an internal combustion engine

 #34
20190257227
2019-08-22

Inductive coupling to rocker arm assemblies

 #35
20190170029
2019-06-06

Cam phaser

 #36
20190162084
2019-05-30

Cam shaft phase setter comprising an annular reflux valve

 #37
20190043648
2019-02-07

Electromagnetic adjusting device and use of such an adjusting device

 #38
20180334933
2018-11-22

Multiple variable valve lift apparatus

 #39
20180320563
2018-11-08

Valve train lever

 #40
20180283226
2018-10-04

Valve drive for an internal combustion engine

 #41
20180087887
2018-03-29

Electromagnetic actuator

 #42
20170260884
2017-09-14

Cam phaser

 #43
20170241304
2017-08-24

Valve arrangement

 #44
20170241300
2017-08-24

Valvetrain with rocker arm housing magnetically actuated latch

 #45
20170191385
2017-07-06

Latching solenoid for engine management

 #46
20170183982
2017-06-29

Non-contacting actuator for rocker arm assembly latches

 #47
20170178779
2017-06-22

Electromagnetic actuator

 #48
20170175595
2017-06-22

Multi-positional camshaft phaser with two one-way wedge clutches and spring actuator

 #49
20170167324
2017-06-15

Sliding cam system having two-stage actuator stroke

 #50
20170145872
2017-05-25

Valve opening/closing timing control apparatus

 #51
20170037749
2017-02-09

Camshaft phaser using one-way slipper clutches

 #52
20170002700
2017-01-05

Camshaft adjusting device, combustion engine and assembly method

 #53
20160322146
2016-11-03

Electromagnetic actuating mechanism

 #54
20160298507
2016-10-13

Method and assembly for monitoring an actuator device

 #55
20160298505
2016-10-13

Valve timing adjusting device

 #56
20160290186
2016-10-06

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

 #57
20160265398
2016-09-15

Variable valve timing mechanism and engine with variable valve timing mechanism

 #58
20160265395
2016-09-15

Variable travel valve apparatus for an internal combustion engine

 #59
20160186622
2016-06-30

Electromagnetic actuating apparatus and system for adjusting a functionality of a motor vehicle assembly

 #60
20160125990
2016-05-05

Actuator with transmission element

 #61
20160090921
2016-03-31

Engine for performing CDA

 #62
20160071640
2016-03-10

Solenoid actuator

 #63
20150377092
2015-12-31

Sliding cam actuator having a seal

 #64
20150213936
2015-07-30

Bistable electromagnetic actuating apparatus, armature assembly and camshaft adjustment apparatus

 #65
20150122207
2015-05-07

Variable displacement solenoid control

 #66
20150075468
2015-03-19

Valve gear of engine

 #67
20150075467
2015-03-19

Valve gear of engine

 #68
20150068477
2015-03-12

Variable cam phaser for automobile engine and controller therefor

 #69
20150057879
2015-02-26

Method and apparatus for monitoring an electromagnetic hydraulic valve for a variable valve timing system

 #70
20140373796
2014-12-25

Valve timing control apparatus

 #71
20140366836
2014-12-18

Actuator for lobe switching camshaft system

 #72
20140261267
2014-09-18

Multistage variable valve lift apparatus, system and engine

 #73
20140253265
2014-09-11

Electromagnetic actuating apparatus, in particular for camshaft adjustment of an internal combustion engine

 #74
20140251250
2014-09-11

Multiple variable valve lift apparatus

 #75
20140238326
2014-08-28

Valve operating device of engine

 #76
20140238323
2014-08-28

Valve operating device of engine

 #77
20140165940
2014-06-19

Multiple variable valve lift apparatus and engine provided with the same

 #78
20140158073
2014-06-12

Variable displacement solenoid control

 #79
20140090613
2014-04-03

Valve timing controller

 #80
20140090612
2014-04-03

Valve timing control apparatus

 #81
20140090611
2014-04-03

Valve timing controller

 #82
20140062628
2014-03-06

Electromagnetic actuator device

 #83
20140007829
2014-01-09

Variable travel valve apparatus for an internal combustion engine

 #84
20140007828
2014-01-09

Camshaft assembly and method for producing a camshaft assembly

 #85
20130340702
2013-12-26

Valve apparatus for an internal combustion engine

 #86
20130206089
2013-08-15

Variable cam phaser for automobile engine and controller therefor

 #87
20130118001
2013-05-16

Flexible computer control for an internal combustion engine with hemispherical combustion chambers

 #88
20130113582
2013-05-09

Electromagnetic actuating device

 #89
20130042830
2013-02-21

VALVE OPERATING APPARATUS FOR INTERNAL COMBUSTION ENGINE

 #90
20130014715
2013-01-17

Intake/exhaust valve control device for internal combustion engine

 #91
20130000581
2013-01-03

Actuator unit having two actuator pins

 #92
20120266845
2012-10-25

Valve apparatus for an internal combustion engine

 #93
20120222635
2012-09-06

Variable valve operating apparatus for internal combustion engine

 #94
20120055428
2012-03-08

VARIABLE VALVE ACTUATION APPARATUS FOR INTERNAL COMBUSTION ENGINE

 #95
20120016565
2012-01-19

Controller for internal combustion engine

 #96
20120006291
2012-01-12

Control apparatus for internal combustion engine

 #97
20110303174
2011-12-15

Variable valve apparatus of internal combustion engine

 #98
20110271918
2011-11-10

Variable valve operating apparatus for internal combustion engine

 #99
20110271917
2011-11-10

Valve operating apparatus for internal combustion engine

 #100
20110267159
2011-11-03

Electromagnetic actuator device

 #101
20110240892
2011-10-06

Electromagnetic actuating device

 #102
20110214636
2011-09-08

Variable valve operating apparatus for internal combustion engine

 #103
20110133576
2011-06-09

Electromagnetic actuating apparatus

 #104
20110126786
2011-06-02

Variable valve operating apparatus for internal combustion engine

 #105
20110121214
2011-05-26

Electromagnetic actuating unit

 #106
20110088642
2011-04-21

VALVE TRAIN SYSTEM OF INTERNAL COMBUSTION ENGINE

 #107
20110036315
2011-02-17

VALVE LIFT CONTROL APPARATUS

 #108
20100326386
2010-12-30

Engine valve controller

 #109
20100313836
2010-12-16

Phase variable device in car engine

 #110
20100237264
2010-09-23

Valve operating mechanism

 #111
20100199945
2010-08-12

Internal combustion engine valve drive train switching device

 #112
20100192885
2010-08-05

Electromagnetic actuating device

 #113
20100192881
2010-08-05

Method for actuating an electromagnetic switching valve

 #114
20100162979
2010-07-01

Switchable valve actuating mechanism

 #115
20100126448
2010-05-27

Valve drive of an internal combustion engine

 #116
20100126447
2010-05-27

Valve drive of an internal combustion engine

 #117
20100077973
2010-04-01

Variable travel valve apparatus for an internal combustion engine

 #118
20100024754
2010-02-04

Valve control apparatus for engine

 #119
20100000482
2010-01-07

Electromagnetic actuating apparatus

 #120
20090277406
2009-11-12

Power unit for vehicle

 #121
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

 #122
20090095239
2009-04-16

Method of operating a valve apparatus for an internal combustion engine

 #123
20080172165
2008-07-17

Control system for internal combustion engine

 #124
20080017161
2008-01-24

Valve apparatus for an internal combustion engine

 #125
20080011255
2008-01-17

Variable valve timing control apparatus of internal combustion engine

 #126
20080006232
2008-01-10

Apparatus and method for coupling and decoupling actuating elements of a valve drive of an internal combustion engine

 #127
20070204818
2007-09-06

Valve lash adjuster having electro-hydraulic lost-motion capability

 #128
20070101958
2007-05-10

Adjustable valve rocker lever of a valve timing gear of an internal combustion engine

 #129
20070095318
2007-05-03

Camshaft adjuster for an internal combustion engine and a method for operating a camshaft adjuster

 #130
20070068494
2007-03-29

Valve apparatus for an internal combustion engine

 #131
20070068471
2007-03-29

Valve apparatus for an internal combustion engine

 #132
20070068470
2007-03-29

Valve apparatus for an internal combustion engine

 #133
20070067988
2007-03-29

Valve apparatus for an internal combustion engine

 #134
20060283412
2006-12-21

Valve actuation device of internal combustion engine

 #135
20060091683
2006-05-04

Locking device with solenoid release pin

 #136
20050150553
2005-07-14

Electrohydraulic valve for controlling operation of an engine cylinder valve

 #137
20050132990
2005-06-23

Finger lever of a valve train of an internal combustion engine

 #138
20050103926
2005-05-19

Locking device with solenoid release pin

 #139
17580713
2023-01-24

Recirculating hydraulic fluid control valve

 #140
14730468
2016-09-20

Multi-position camshaft phaser with two one-way wedge clutches