ClassID:

137161

F01L1/08 - page 2 - 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:
#301
20070137597
2007-06-21

Valve-operating mechanism

#302
20070125330
2007-06-07

System for variable valvetrain actuation

#303
20070125327
2007-06-07

System and method for hydraulic valve actuation

#304
20070113806
2007-05-24

Valve gear of internal combustion engine

#305
20070095312
2007-05-03

Variable lost motion valve actuator and method

#306
20070095311
2007-05-03

Variable valve operating device

#307
20070089416
2007-04-26

Combustion engine including engine valve actuation system

#308
20070039578
2007-02-22

Valve train for an internal combustion engine

#309
20070039577
2007-02-22

Control unit for a valve, especially a gas exchange valve of an internal combustion engine

#310
20070034184
2007-02-15

Valve drive of an internal combustion engine comprising a cylinder head

#311
20070034183
2007-02-15

Lift-variable valve-operating system for internal combustion engine

#312
20070034182
2007-02-15

Valve train of an internal combustion engine comprising at least one camshaft

#313
20070017461
2007-01-25

Valve train and cam lobe

#314
20070012269
2007-01-18

Variable stroke valve drive for an internal combustion engine

#315
20070006830
2007-01-11

Intake air volume controller of internal combustion engine

#316
20060272598
2006-12-07

Modulated combined lubrication and control pressure system for two-stroke/four-stroke switching

#317
20060266317
2006-11-30

Valve drive mechanism for engine

#318
20060266030
2006-11-30

Expansion motor

#319
20060249111
2006-11-09

Lift-variable valve-operating system for internal combustion engine

#320
20060236961
2006-10-26

Variable valve apparatus of internal combustion engine

#321
20060229797
2006-10-12

Engine control apparatus

#322
20060213045
2006-09-28

Internal combustion engine and an engine housing

#323
20060207533
2006-09-21

Valve mechanism for an internal combustion engine

#324
20060207532
2006-09-21

Valve mechanism for internal combustion engine

#325
20060204155
2006-09-14

Rolling bearing

#326
20060196459
2006-09-07

Discrete mode variable valve gear

#327
20060169235
2006-08-03

Internal combustion engine

#328
20060144356
2006-07-06

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

#329
20060130791
2006-06-22

Variable cam system

#330
20060107915
2006-05-25

Valve train device for engine

#331
20060107913
2006-05-25

Camshaft for automotive engines in particular

#332
20060102120
2006-05-18

Valve train device for engine

#333
20060096560
2006-05-11

Engine valve actuation system

#334
20060094823
2006-05-04

Resinous cam gear

#335
20060081213
2006-04-20

System and method for variable valve actuation in an internal combustion engine

#336
20060075982
2006-04-13

Variable valve train mechanism of internal combustion engine

#337
20060070592
2006-04-06

Multi-cylinder internal combustion engine

#338
20060027194
2006-02-09

Positive-guidance apparatus for conversion of a rotary movement of a drive to a reciprocating movement of a part

#339
20060016408
2006-01-26

Pivoting actuator system for controlling the stroke of a gas exchange valve in the cylinder head of an internal combustion engine

#340
20060011161
2006-01-19

Camshaft, especially for an internal combustion engine of a motor vehicle, comprising shiftable cams

#341
20060005796
2006-01-12

Primary and offset actuator rocker arms for engine valve actuation

#342
20060000433
2006-01-05

Actuator for valve lift control device having cam mechanism

#343
20050284444
2005-12-29

Asymmetrical thermodynamic cycle and engine to implement it

#344
20050284435
2005-12-29

Method and device for operating an internal combustion engine

#345
20050279305
2005-12-22

Valve drive

#346
20050279297
2005-12-22

Cam for actuating a valve mechanism of an internal combustion engine

#347
20050274341
2005-12-15

Rocker arm system for engine valve actuation

#348
20050252484
2005-11-17

Compact lost motion system for variable value actuation

#349
20050252466
2005-11-17

Valve drive including a rocker lever with hydraulically actuated driver

#350
20050241611
2005-11-03

Air and fuel supply system for a combustion engine

#351
20050241597
2005-11-03

Air and fuel supply system for a combustion engine

#352
20050235953
2005-10-27

Combustion engine including engine valve actuation system

#353
20050235936
2005-10-27

System comprising a cam and a cam follower element and use of such a system

#354
20050224029
2005-10-13

Lobe-less cam for use in a springless poppet valve system

#355
20050211211
2005-09-29

Rotary actuator device for controlling the stroke of gas charge exchange valves in the cylinder head of an internal combustion engine

#356
20050211206
2005-09-29

Valve bridge with integrated lost motion system

#357
20050207932
2005-09-22

Method for manufacturing a cam

#358
20050205019
2005-09-22

Two-stroke and four-stroke switching mechanism

#359
20050188966
2005-09-01

System and method for multi-lift valve actuation

#360
20050183685
2005-08-25

Valve train of an internal combustion engine

#361
20050172932
2005-08-11

Combustion chamber structure for internal combustion engine

#362
20050172925
2005-08-11

Valve spring support structure of engine

#363
20050150474
2005-07-14

Internal combustion engine

#364
20050145216
2005-07-07

System and method for valve actuation

#365
20050139175
2005-06-30

Turbo-charged internal combustion engine with in-cylinder EGR and injection rate shaping

#366
20050132992
2005-06-23

Forced opening and closing type valve operating system

#367
20050132985
2005-06-23

System and method of retaining hydraulic fluid in a hydraulic valve actuation system

#368
20050126526
2005-06-16

Valve train device for an engine

#369
20050120986
2005-06-09

System and method for preventing piston-valve collision on a non-freewheeling internal combustion engine

#370
20050115531
2005-06-02

Valve gear mechanism

#371
20050109313
2005-05-26

Throttle and inlet valves for 8 stroke and 4 stroke engines

#372
20050098138
2005-05-12

Diesel four cycle, 1 poppet valve, modified head, piston and valves

#373
20050098129
2005-05-12

Valve gear of internal combustion engine

#374
20050092274
2005-05-05

Device for converting a rotational movement into a reciprocating movement

#375
20050087716
2005-04-28

Apparatus for an internal combustion engine

#376
20050087160
2005-04-28

Means to add torsional energy to a camshaft

#377
20050087159
2005-04-28

Engine valve actuation system

#378
20050087157
2005-04-28

Internal combustion engine and camshaft thereof

#379
20050056244
2005-03-17

Method for 3-step variable valve actuation

#380
20050050882
2005-03-10

Method and intake cam for retaining exhaust residuals for emissions reduction in a diesel engine

#381
20050050880
2005-03-10

Method and intake cam for retaining exhaust residuals for emissions reduction in a diesel engine

#382
20050049776
2005-03-03

Method for producing a constraint-satisfied cam acceleration profile

#383
20050039711
2005-02-24

Internal combustion engine and working cycle

#384
20050022766
2005-02-03

Valve driving apparatus and internal combustion engine including the same

#385
20050005885
2005-01-13

Valve mechanism, in particular for internal combustion engines of motor vehicles

#386
20050000499
2005-01-06

System and method for modifying engine valve lift

#387
20050000480
2005-01-06

Control system for internal combustion engine

#388
20050000476
2005-01-06

System and method for improving performance of hydraulic actuating system

#389
19363296
2026-03-24

Engine valve control system and method

#390
18909436
2025-05-27

Valve for an overhead cam engine and an overhead cam engine assembly

#391
17126753
2022-05-17

Hydro-mechanical module for engine valve actuation system