ClassID:

137161

F01L1/08 - CPC Classification

Classification description:

Valve-gear or valve arrangements, e.g. lift-valve gear; Valve drive by means of cams, camshafts, cam discs, eccentrics or the like Shape of cams

Recent Application in this class:
#1
20250369374
2025-12-04

INTERNAL COMBUSTION ENGINE WITH OPTIMIZED INTAKE SYSTEM

#2
20250305446
2025-10-02

OPPOSED-PISTON INTERNAL COMBUSTION ENGINE

#3
20250116213
2025-04-10

SYSTEM AND METHOD FOR ACTUATING ENGINE VALVES INCLUDING A RECOMPRESSION RELIEF VALVE EVENT

#4
20250035016
2025-01-30

No Lash Dual Stem I.C.E. valve

#5
20240247599
2024-07-25

Valve train device

#6
20220398875
2022-12-15

Valve testing for engines

#7
20220397045
2022-12-15

Single actuator shifting cam system

#8
20220364195
2022-11-17

METHOD OF MANUFACTURING CAM PIECE FOR CONTINUOUSLY VARIABLE VALVE DURATION AND CAM PIECE MANUFACTURED THEREFROM

#9
20220333513
2022-10-20

Replaceable Valve Assembly

#10
20220333509
2022-10-20

Methods and system for operating skipped cylinders to provide secondary air

#11
20220220906
2022-07-14

Valve control apparatus for engine

#12
20220205372
2022-06-30

Compression release type engine brake

#13
20220178297
2022-06-09

Exhaust passage structure of internal combustion engine

#14
20220112821
2022-04-14

Variable intake valve closing using through axle rocker arm

#15
20220065139
2022-03-03

Engine valve actuation

#16
20220018266
2022-01-20

Valve actuation system for engine and valve lifter and rocker arm for same

#17
20220010702
2022-01-13

Systems and methods for providing compression release with continuous variable valve lift

#18
20210388741
2021-12-16

Internal combustion engine for a motor vehicle, having a control unit for aligning a camshaft and method for operating such an internal combustion engine

#19
20210262368
2021-08-26

Hydraulic valve mechanism with variable valve opening times and internal combustion engine

#20
20210254512
2021-08-19

Valve train assembly

#21
20210148258
2021-05-20

DISCRETE VARIABLE VALVE LIFT ENGINE SYSTEMS AND METHODS

#22
20210115886
2021-04-22

Arrangement for transferring force from a camshaft to an output device

#23
20210108542
2021-04-15

Valve actuation system for an internal combustion engine

#24
20210095584
2021-04-01

SWITCHING ROLLER FINGER FOLLOWER FOR BLEEDER BRAKING

#25
20210054767
2021-02-25

Lifter providing improved cam lobe lubrication

#26
20210040871
2021-02-11

Engine brake rocker arm having biasing configuration

#27
20210018082
2021-01-21

Cam for a camshaft

#28
20200347753
2020-11-05

Device for adjusting the stroke of a valve of internal combustion engines

#29
20200277890
2020-09-03

System and method for rotational combustion engine

#30
20200232349
2020-07-23

Sliding element with partially hardened latching elevation

#31
20200200103
2020-06-25

Internal combustion engine and a method for controlling a braking torque of the engine

#32
20200181726
2020-06-11

Method of manufacturing cam piece for continuously variable valve duration and cam piece manufactured therefrom

#33
20200116078
2020-04-16

DIFFERENTIAL VALVE TIMING WITH TWIN-SCROLL TURBINES

#34
20200072133
2020-03-05

CAM ROTARY ENGINE POWER SYSTEM OF INTERNAL COMBUSTION TYPE

#35
20200018194
2020-01-16

Valvetrain pivot stand assembly having multifunctional cap

#36
20190360363
2019-11-28

Valve train carrier assembly

#37
20190345850
2019-11-14

Hydraulically-actuated switchable one-way clutch

#38
20190309666
2019-10-10

Lubrication of backs of cams by oil recovery

#39
20190301315
2019-10-03

Variable intake valve closing using through axle rocker arm

#40
20190293001
2019-09-26

Systems and methods for IEGR using secondary intake valve motion and lost-motion reset

#41
20190277205
2019-09-12

Compression release valvetrain design

#42
20190264584
2019-08-29

Lash adjuster control in engine valve actuation systems

#43
20190257228
2019-08-22

Internal combustion engine

#44
20190249606
2019-08-15

Internal combustion engine and a method for controlling a braking torque of the engine

#45
20190242278
2019-08-08

Internal combustion engine having a valve actuation device

#46
20190153913
2019-05-23

Continuously variable valve duration apparatus and engine provided with the same

#47
20190153906
2019-05-23

FOUR STROKE INTERNAL COMBUSTION ENGINE AND THERETO-RELATED METHOD

#48
20190145289
2019-05-16

Lash adjustment in lost motion engine systems

#49
20190120090
2019-04-25

Valve train assembly

#50
20190120089
2019-04-25

Variable valve train

#51
20190112950
2019-04-18

Sliding cam module with a bearing element and a camshaft with a sliding cam module, as well as a cover module

#52
20190107011
2019-04-11

Valve train assembly

#53
20190101031
2019-04-04

Regenerative valve hydraulic actuator

#54
20190093525
2019-03-28

Variable displacement engine including different cam lobe profiles

#55
20190085732
2019-03-21

Switching rocker arm

#56
20190072012
2019-03-07

Multifunctional engine brake

#57
20190072011
2019-03-07

Actuation apparatus for variable valve drive

#58
20190072010
2019-03-07

Multiple variable valve lift apparatus

#59
20190055861
2019-02-21

Device for controlling at least one valve in an internal combustion engine

#60
20190040802
2019-02-07

Systems and methods for counter flow management and valve motion sequencing in enhanced engine braking

#61
20190040772
2019-02-07

Systems and methods for counter flow management and valve motion sequencing in enhanced engine braking

#62
20190032524
2019-01-31

Sliding cam system and method for operating an internal combustion engine

#63
20190010837
2019-01-10

Engine variable camshaft timing phaser with planetary gear assembly

#64
20180371960
2018-12-27

Camshaft and manufacturing method therefor

#65
20180363567
2018-12-20

Internal combustion engine and a method comprising control of the engine to provide a braking torque

#66
20180347417
2018-12-06

Hydraulic piston with a cooling and lubricating gasket valve

#67
20180328240
2018-11-15

Hydraulic early engine exhaust valve opening system

#68
20180306073
2018-10-25

Discrete variable valve lift engine systems and methods

#69
20180306072
2018-10-25

LOW FRICTION SWITCHING ROLLER FINGER FOLLOWER FOR HIGH VALVE LIFT

#70
20180283312
2018-10-04

Internal combustion engine

#71
20180283265
2018-10-04

Internal combustion engine

#72
20180283241
2018-10-04

Compression brake for internal combustion engine

#73
20180283235
2018-10-04

Internal combustion engine

#74
20180283223
2018-10-04

Cam shaft

#75
20180274393
2018-09-27

Internal combustion engine system

#76
20180266281
2018-09-20

Valve mechanism of engine

#77
20180230869
2018-08-16

Internal combustion engine system

#78
20180216502
2018-08-02

Valve train for a reciprocating piston internal combustion engine, and method for valve control in a reciprocating piston internal combustion engine

#79
20180209309
2018-07-26

Valve train carrier assembly

#80
20180202402
2018-07-19

Tappet assembly for use in an internal combustion engine high-pressure fuel system

#81
20180187580
2018-07-05

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

#82
20180179921
2018-06-28

Variable valve mechanism for engine

#83
20180163575
2018-06-14

Continuous variable valve duration apparatus and engine provided with the same

#84
20180149049
2018-05-31

Control shaft for inlet valve shut-off

#85
20180149046
2018-05-31

VALVE TIMING CONTROL APPARATUS FOR INTERNAL COMBUSTION ENGINE AND INTERNAL COMBUSTION ENGINE USING THE SAME

#86
20180087413
2018-03-29

Single valve compression release bridge brake

#87
20180058343
2018-03-01

Elevated compression ratio internal combustion engine with multi-stage boosting

#88
20180058270
2018-03-01

Overhead valve actuation mechanism for engine

#89
20180058268
2018-03-01

Overhead valve actuation mechanism for engine

#90
20180051601
2018-02-22

System and method for improved gas exchange in cylinder deactivation applications

#91
20180045083
2018-02-15

Variable valve mechanism of internal combustion engine

#92
20180003087
2018-01-04

Method for producing a cam profile of a cam pack of a camshaft

#93
20170321573
2017-11-09

Camshaft with low lift dwell profile and methods for operating the same

#94
20170298786
2017-10-19

Variable valve drive having a rocker lever

#95
20170292417
2017-10-12

Camshaft having a decompression device

#96
20170284314
2017-10-05

Continuous variable valve timing apparatus and engine provided with the same

#97
20170284234
2017-10-05

Valve train system

#98
20170276029
2017-09-28

Internal combustion engine

#99
20170276027
2017-09-28

Valve train for an internal combustion engine

#100
20170268434
2017-09-21

Method of controlling an operation of an inlet valve system and an inlet valve control system

#101
20170248073
2017-08-31

Custom VVA rocker arms for left hand and right hand orientations

#102
20170248045
2017-08-31

Engine variable camshaft timing phaser with planetary gear assembly

#103
20170218795
2017-08-03

Variable valve mechanism of internal combustion engine

#104
20170191387
2017-07-06

Valve gear for engine

#105
20170191386
2017-07-06

Method and system for variable cam timing device

#106
20170183990
2017-06-29

System for variable actuation of a valve of an internal-combustion engine

#107
20170167325
2017-06-15

Internal combustion engine comprising a shifting cam system for variable valve actuation

#108
20170159515
2017-06-08

Valve gear for engine

#109
20170152772
2017-06-01

Multiple variable valve lift apparatus

#110
20170152770
2017-06-01

Multiple variable valve lift apparatus

#111
20170152769
2017-06-01

Variable valve drive having a rocker lever

#112
20170122142
2017-05-04

Camshaft for the valve drive of an internal combustion engine with a variable valve opening duration

#113
20170114675
2017-04-27

TORSION ASSEMBLY FOR CONTROLLABLY PROVIDING TORQUE TO A CAMSHAFT

#114
20170107870
2017-04-20

Method and system for variable cam timing device

#115
20170101902
2017-04-13

System and method for camshaft vibration control

#116
20170089232
2017-03-30

System for engine valve actuation comprising lash-prevention valve actuation motion

#117
20170081993
2017-03-23

Electromechanical valve lash adjuster

#118
20170081986
2017-03-23

Lost motion differential valve actuation

#119
20170016418
2017-01-19

Tappet assembly for use in an internal combustion engine high-pressure fuel system

#120
20160369665
2016-12-22

Continuous variable valve duration apparatus and engine provided with the same

#121
20160348544
2016-12-01

Method and system for variable cam timing device

#122
20160341097
2016-11-24

V8 engine and outboard motor

#123
20160341077
2016-11-24

Pivoting variable cam follower

#124
20160319705
2016-11-03

Adjustable valve device of internal combustion engine

#125
20160298508
2016-10-13

Engine compression brake device for an internal combustion engine

#126
20160273412
2016-09-22

Variable valve apparatus for internal combustion engine

#127
20160265399
2016-09-15

Engine valve actuation mechanism for producing a variable engine valve event

#128
20160265397
2016-09-15

Adjusting element for the axial displacement of a camshaft supported displaceable along a camshaft axis

#129
20160215661
2016-07-28

Engine valve actuation system

#130
20160208661
2016-07-21

Variable valve apparatus for internal combustion engine

#131
20160177868
2016-06-23

Composite cam carrier

#132
20160169125
2016-06-16

Six-stroke engine and method of operating six-stroke engine

#133
20160160698
2016-06-09

Continuous variable valve timing apparatus and engine provided with the same

#134
20160160696
2016-06-09

Multiple variable valve lift apparatus

#135
20160146072
2016-05-26

Engine system and operation method using engine braking mechanisms for early exhaust valve opening

#136
20160146062
2016-05-26

Camshaft assembly for an internal combustion engine

#137
20160138441
2016-05-19

Internal combustion engine

#138
20160084119
2016-03-24

Variable valve mechanism of internal combustion engine

#139
20160061065
2016-03-03

Torsion assembly for controllably providing torque to a camshaft

#140
20160032878
2016-02-04

Mechanical fuel pump deactivation

#141
20160017769
2016-01-21

Variable valve mechanism for internal combustion engine

#142
20150345342
2015-12-03

DESIGN METHOD OF SHORT DURATION CAM, SHORT DURATION CAM, VARIABLE VALVE LIFT APPARATUS INCLUDING THE SAME, AND DESIGN METHOD OF CAM

#143
20150330270
2015-11-19

Valve system for a multi-cylinder engine

#144
20150330266
2015-11-19

Variable valve device

#145
20150252695
2015-09-10

Engine control system having quick-open valve timing

#146
20150204250
2015-07-23

Valve actuation mechanism and automotive vehicle equipped with such a valve actuation mechanism

#147
20150184563
2015-07-02

Cylinder lubrication system for two-stroke engine

#148
20150184560
2015-07-02

Variable valve gear for internal combustion engine

#149
20150108383
2015-04-23

Mechanically controllable valve drive arrangement

#150
20150096537
2015-04-09

Overhead camshaft internal combustion engine with high-pressure fuel injection system

#151
20150075468
2015-03-19

Valve gear of engine

#152
20150075467
2015-03-19

Valve gear of engine

#153
20150059672
2015-03-05

Valve control means for an internal combustion engine and internal combustion engine

#154
20140373808
2014-12-25

Engine system and operation method using engine braking mechanisms for early exhaust valve opening

#155
20140290602
2014-10-02

Cam structure

#156
20140261347
2014-09-18

Internal combustion engine having piston with piston valve and associated method

#157
20140245980
2014-09-04

Camshaft and functional elements for a camshaft

#158
20140238324
2014-08-28

Intra-cylinder auxiliary actuation of engine valves through selective discontinuation of main valve events

#159
20140238015
2014-08-28

Apparatus and system comprising integrated master-slave pistons for actuating engine valves

#160
20140202423
2014-07-24

Method for controlling a motor-vehicle provided with an internal combustion engine having a system for variable actuation of the intake valves

#161
20140190426
2014-07-10

Method for controlling a motor-vehicle provided with a propulsion system of the “mild-hybrid” type

#162
20140182536
2014-07-03

Reset type rocker braking method and device

#163
20140182529
2014-07-03

Lost-motion variable valve actuation system with valve deactivation

#164
20140150743
2014-06-05

Cam element for a valve drive train device

#165
20140096730
2014-04-10

Mechanically controllable valve drive for a reciprocating piston engine

#166
20140083381
2014-03-27

Integrated lost motion rocker brake with automatic reset

#167
20140069372
2014-03-13

Internal combustion engine which may be selectively operated by the two-stroke method or the four-stroke method and method for operating such an internal combustion engine

#168
20140020654
2014-01-23

Combined rocker arm apparatus for actuating auxiliary valve of engine

#169
20130319370
2013-12-05

Method and apparatus for resetting valve lift for use in engine brake

#170
20130285590
2013-10-31

Reference angle detecting device

#171
20130269653
2013-10-17

Auxiliary valve actuating mechanism of engine

#172
20130247711
2013-09-26

Cam part for a variable sliding cam valve drive

#173
20130167788
2013-07-04

Valve control for at least one of an internal combustion engine

#174
20130152884
2013-06-20

Exhaust valve control system

#175
20130098321
2013-04-25

Integration of an axial bearing in a rotor

#176
20130061829
2013-03-14

Fixed chain type engine braking device

#177
20130037002
2013-02-14

In-cylinder emission cleaning by cams with auxiliary-lobes

#178
20130032108
2013-02-07

Valve timing controller for internal combustion engine

#179
20130025571
2013-01-31

INTERNAL COMBUSTION ENGINE

#180
20120325167
2012-12-27

VALVE DRIVE SYSTEM OF INTERNAL COMBUSTION ENGINE

#181
20120298057
2012-11-29

Primary and auxiliary rocker arm assembly for engine valve actuation

#182
20120291733
2012-11-22

VARIABLE VALVE ACTUATION APPARATUS, SYSTEM, AND METHOD

#183
20120272931
2012-11-01

Combustion engine with variable valve actuation

#184
20120260873
2012-10-18

Camshaft with variable valve opening period

#185
20120234297
2012-09-20

Torque multiplier engines

#186
20120192841
2012-08-02

SPLIT-CYCLE AIR HYBRID ENGINE WITH DWELL CAM

#187
20120192840
2012-08-02

Lost-motion variable valve actuation system with valve deactivation

#188
20120192818
2012-08-02

Lost-motion variable valve actuation system with cam phaser

#189
20120145097
2012-06-14

Engine assembly including camshaft with multimode lobe

#190
20120118253
2012-05-17

COMBUSTION ENGINE WITH OVERHEAD CAMSHAFTS

#191
20120097120
2012-04-26

Engine including camshaft with partial lobe

#192
20120090456
2012-04-19

Piston type pneumatic engine

#193
20120085305
2012-04-12

Positive control (desmodromic) valve systems for internal combustion engines

#194
20120067307
2012-03-22

Cooling-means-equipped, liquid-cooled engine

#195
20120048232
2012-03-01

Dedicated rocker arm engine brake

#196
20120048219
2012-03-01

Variable valve lift apparatus

#197
20120042649
2012-02-23

EXHAUST-VALVE LIFTING AND LOWERING CAM, TURBOCHARGED FOUR STROKE ENGINE AND VALVE TIMING CONTROL METHOD

#198
20120000436
2012-01-05

Cam and associated camshaft

#199
20110290206
2011-12-01

Rocker shaft pedestal incorporating an engine valve actuation system or engine brake

#200
20110220052
2011-09-15

INTERNAL COMBUSTION PISTON ENGINE WITH AN ADJUSTABLE INFLATING ELEMENT

#201
20110214632
2011-09-08

HYDRO-MECHANICAL VARIABLE VALVE ACTUATION

#202
20110197834
2011-08-18

Early intake valve closing and variable valve timing assembly and method

#203
20110197833
2011-08-18

Variable lost motion valve actuator and method

#204
20110174261
2011-07-21

ROTARY ENGINE WITH ALIGNED ROTOR

#205
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

#206
20110162600
2011-07-07

Camshaft profile for reducing cylinder pressures during engine cranking

#207
20110132298
2011-06-09

Valve bridge with integrated lost motion system

#208
20110114067
2011-05-19

ENGINE INCLUDING VALVE LIFT ASSEMBLY FOR INTERNAL EGR CONTROL

#209
20110073064
2011-03-31

Integrally cast block and gaseous fuel injected generator engine

#210
20110061617
2011-03-17

Intake and exhaust apparatus for four-stroke internal-combustion engine

#211
20110056462
2011-03-10

FOUR CYCLE ENGINE CARBURETORS

#212
20100319640
2010-12-23

Deactivating cam system for a valve train of an internal combustion engine

#213
20100278628
2010-11-04

Turbine with variable number of nozzles

#214
20100258079
2010-10-14

Engine brake detection

#215
20100251983
2010-10-07

Individual rocker shaft and pedestal mounted engine brake

#216
20100236237
2010-09-23

Internal combustion engine

#217
20100199947
2010-08-12

Rotary piston machine

#218
20100199945
2010-08-12

Internal combustion engine valve drive train switching device

#219
20100180860
2010-07-22

Valve drive train actuating device

#220
20100180859
2010-07-22

FOUR-CYCLE ENGINE

#221
20100180848
2010-07-22

Valve lash adjustment system for a split-cycle engine

#222
20100180847
2010-07-22

Valve lash adjustment system for a split-cycle engine

#223
20100170472
2010-07-08

Integrated engine brake with mechanical linkage

#224
20100170471
2010-07-08

Engine braking apparatus with two-level pressure control valves

#225
20100162977
2010-07-01

Rotationally Balanced Camshaft Assembly

#226
20100126459
2010-05-27

Fixation structure for valve system rotation shaft of internal combustion engine

#227
20100126449
2010-05-27

Control system of internal combustion engine

#228
20100121558
2010-05-13

Diesel engine having cams for controlling the intake valves, which have a main lobe and an additional lobe radiused to each other

#229
20100116255
2010-05-13

Secondary air and exhaust gas recirculation for a four-stroke internal combustion engine

#230
20100108007
2010-05-06

ROCKER SHAFT MOUNTED ENGINE BRAKE

#231
20100083921
2010-04-08

Catalyst control for six-cycle engine

#232
20100050963
2010-03-04

6-cycle engine with regenerator

#233
20100040496
2010-02-18

Device for driving a piston pump

#234
20100037864
2010-02-18

OPERATION OF CAMSHAFTS, PARTICULARLY FOR AN INJECTION PUMP FOR DIESEL, HAVING A RUNNING PULLEY DRIVEN IN A LIFTING MANNER

#235
20100012065
2010-01-21

Mechanical roller tappet for an internal combustion engine

#236
20090308338
2009-12-17

Valve train for internal combustion engine

#237
20090277408
2009-11-12

Variable valve operating device and valve opening amount adjustment method

#238
20090272348
2009-11-05

VALVE TIMING CONTROL DEVICE AND ENGINE DEVICE AND VEHICLE INCLUDING THE SAME

#239
20090272345
2009-11-05

Continuous variable valve lift apparatus

#240
20090255518
2009-10-15

Turbo-charged gasoline engine with variable control of intake valves

#241
20090250030
2009-10-08

Engine with desmodromically actuated rocker

#242
20090250024
2009-10-08

Valve timing control device and engine device and vehicle including the same

#243
20090240420
2009-09-24

Variable valve system, and engine system and vehicle including the same

#244
20090228167
2009-09-10

Diagnostics for two-mode variable valve activation devices

#245
20090205594
2009-08-20

Hydraulic Spring Drive Apparatus

#246
20090178636
2009-07-16

Camshaft and camshaft manufacturing method

#247
20090173322
2009-07-09

Internal combustion engine

#248
20090173299
2009-07-09

Valve system for opposed piston engines

#249
20090152027
2009-06-18

Hybrid vehicle

#250
20090151141
2009-06-18

Refurbished camshaft and method

#251
20090114194
2009-05-07

Variable compression engine with variable inlet valve timing

#252
20090107435
2009-04-30

Lubricating system for valve operating system

#253
20090107434
2009-04-30

Systems and methods for managing camshaft torsional loading

#254
20090101090
2009-04-23

CONTROLLER OF VARIABLE VALVE ACTUATOR

#255
20090093946
2009-04-09

Method of controlling an internal combustion engine and system including the engine

#256
20090071423
2009-03-19

Method for controlling actuation of valves in engine with turbocharger

#257
20090056659
2009-03-05

DIRECT-ACTING TYPE VALVE LIFTER FOR INTERNAL-COMBUSTION ENGINES

#258
20090018747
2009-01-15

Exhaust valve control method and exhaust valve control device for diesel engine

#259
20090007863
2009-01-08

Motorcycle provided with valve-operating mechanism

#260
20090000581
2009-01-01

Variable valve actuator having self-centering pivotal piston

#261
20080301938
2008-12-11

Method for manufacturing cams for composite camshafts

#262
20080295485
2008-12-04

Regeneration system

#263
20080264379
2008-10-30

Rotary Engine

#264
20080257310
2008-10-23

Hybrid powertrain with reversing engine and method of control

#265
20080223325
2008-09-18

Engine brake having an articulated rocker arm and a rocker shaft mounted housing

#266
20080223321
2008-09-18

Variable valve actuation system for an internal combustion engine

#267
20080149055
2008-06-26

Internal combustion engine with intake valves having a variable actuation and a lift profile including a constant lift boot portion

#268
20080141961
2008-06-19

Variable valve system for internal combustion engine

#269
20080127924
2008-06-05

Tappet clearance automatic adjusting device and adjusting method

#270
20080127920
2008-06-05

Variable engine valve actuation system having common rail

#271
20080115750
2008-05-22

Combustion engine comprising a control cam

#272
20080110425
2008-05-15

Cam mechanism having forced-valve-opening/closing cams and cam-profile setting method

#273
20080087239
2008-04-17

Bactrian rocker arm and engine using same

#274
20080072874
2008-03-27

Method and device for operating an internal combustion engine

#275
20080066708
2008-03-20

Auxiliary arrangement structure in internal combustion engine

#276
20080060597
2008-03-13

Valve operation device of internal combustion engine

#277
20080060596
2008-03-13

Desmodromic valve system including single cam surface for closing and opening the valve

#278
20080051979
2008-02-28

Intake air amount control system for internal combustion engine and control system

#279
20080047509
2008-02-28

Method and apparatus for optimized combustion in an internal combustion engine utilizing homogeneous charge compression ignition and variable valve actuation

#280
20080035086
2008-02-14

Lift-variable valve-operating system for internal combustion engine

#281
20080035082
2008-02-14

Valve actuation mechanism

#282
20080006233
2008-01-10

Tappet assembly

#283
20070277793
2007-12-06

Method for operating an internal combustion engine

#284
20070272199
2007-11-29

Reverse rotation preventing mechanism for diesel engine

#285
20070266990
2007-11-22

Variable compression engine

#286
20070266972
2007-11-22

Automatic tappet clearance adjusting device and method

#287
20070266971
2007-11-22

Variable valve lift device for the lift adjustment of gas-exchange valves of an internal combustion engine

#288
20070261650
2007-11-15

Lift-variable valve-operating systems for internal combustion engine

#289
20070240655
2007-10-18

Lift-variable valve-operating system for internal combustion engine

#290
20070240654
2007-10-18

Lift-variable valve-operating system for internal combustion engine

#291
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2007-09-27

Camshaft of automotive combustion engines in particular

#292
20070215083
2007-09-20

Device for controlling the lift of a gas exchange valve in an internal combustion engine

#293
20070208488
2007-09-06

Method for calibration of a sensor on a rotational actuator device for control of a gas exchange valve in an internal combustion engine

#294
20070204820
2007-09-06

Valve train device for engine

#295
20070204819
2007-09-06

Valve engine

#296
20070193541
2007-08-23

Valve system of V-type engine

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20070163524
2007-07-19

Variable valve operating device for engine

#298
20070144477
2007-06-28

Twincam engine and motorcycle comprising the same

#299
20070144472
2007-06-28

Method and system for partial cycle bleeder brake

#300
20070144468
2007-06-28

Camshaft, method of manufacturing cam for camshaft, and method of manufacturing shaft for camshaft