ClassID:

137143

F01L1/024 - page 2 - CPC Classification

Classification description:

Valve-gear or valve arrangements, e.g. lift-valve gear; Valve drive Belt drive

Recent Application in this class:
#301
20060075984
2006-04-13

Adjustable cam shaft

#302
20060073926
2006-04-06

Non-circular rotary disk for a timing control drive

#303
20060064862
2006-03-30

Holding device

#304
20060063626
2006-03-23

Process of designing a timing control drive having at least one non-circular disk

#305
20060060160
2006-03-23

Engine with variable value timing device

#306
20060054122
2006-03-16

Four-cycle combustion engine, particularly for lawnmowers

#307
20060042581
2006-03-02

Valve timing control apparatus and its assembling method

#308
20060042580
2006-03-02

Variable valve timing control apparatus of internal combustion engine

#309
20060042579
2006-03-02

Variable valve timing controller for internal combustion engine

#310
20060042578
2006-03-02

Engine rotation condition detecting system and engine control method

#311
20060035738
2006-02-16

Belt drive

#312
20060032469
2006-02-16

Overhead camshaft drive assembly

#313
20060027197
2006-02-09

Cam phase control system for internal combustion engine

#314
20060021826
2006-02-02

Ring filter

#315
20060016495
2006-01-26

Control valve for a device to modify the timing of an internal combustion engine

#316
20060000435
2006-01-05

Camshaft adjuster

#317
20050279302
2005-12-22

Engine with variable valve timing

#318
20050278948
2005-12-22

Drive chain assembly restraint

#319
20050274348
2005-12-15

Engine valve assembly

#320
20050274343
2005-12-15

Variable valve mechanism for engine

#321
20050268873
2005-12-08

Device for changing the timing of an internal-combustion engine

#322
20050257764
2005-11-24

Camshaft adjuster of an internal combustion engine

#323
20050252561
2005-11-17

Control valve for a device changing the control times of an internal combustion engine

#324
20050252468
2005-11-17

Valve timing control device having vane rotor

#325
20050241600
2005-11-03

Valve train for internal combustion engine

#326
20050241599
2005-11-03

Valve train of internal combustion engine

#327
20050229879
2005-10-20

Methods and apparatus for receiving excessive inputs in a VCT system

#328
20050229687
2005-10-20

Method and apparatus for extended cam position measurement

#329
20050217621
2005-10-06

Device for varying valve timing in an internal combustion engine

#330
20050211207
2005-09-29

Variable valve timing control device of internal combustion engine

#331
20050199201
2005-09-15

Electrically driven camshaft adjuster

#332
20050192142
2005-09-01

Active tensioner

#333
20050188935
2005-09-01

Phase displacement device

#334
20050188933
2005-09-01

Locking pin mechanism for a vane-type cam phaser

#335
20050188931
2005-09-01

Variable valve control system for internal combustion engine

#336
20050187054
2005-08-25

Synchronous drive apparatus and methods

#337
20050166895
2005-08-04

Intake air amount control apparatus for vehicle engine and method thereof

#338
20050166878
2005-08-04

Camshaft drive mechanism

#339
20050150474
2005-07-14

Internal combustion engine

#340
20050148420
2005-07-07

Autotensioner

#341
20050139343
2005-06-30

Jacket and slab core fastening apparatus

#342
20050139180
2005-06-30

Electromagnetic spool valve

#343
20050132988
2005-06-23

Valve timing control system for internal combustion engine

#344
20050115530
2005-06-02

Air-cooled internal combustion engine

#345
20050109299
2005-05-26

Valve timing adjusting apparatus

#346
20050109298
2005-05-26

Camshaft adjuster for an internal combustion engine having hydraulic medium guides

#347
20050103298
2005-05-19

Control structure for the adjusting motor of an electric camshaft adjuster

#348
20050103297
2005-05-19

CTA phaser with proportional oil pressure for actuation at engine condition with low cam torsionals

#349
20050103294
2005-05-19

Camshaft adjustment control device

#350
20050103293
2005-05-19

Camshaft phase shifting mechanism

#351
20050098131
2005-05-12

Controller for controlling valve operating characteristic in an internal combustion engine

#352
20050090967
2005-04-28

Method and system for determining camshaft position

#353
20050085323
2005-04-21

Automatic tensioner for timing chain

#354
20050081810
2005-04-21

Oil flow control valve

#355
20050081611
2005-04-21

Real-time control system and method of using same

#356
20050081356
2005-04-21

Core element fastening and assembly method

#357
20050076869
2005-04-14

Engine valve train device

#358
20050076868
2005-04-14

Control mechanism for cam phaser

#359
20050072391
2005-04-07

VCT sensor and actuator module

#360
20050066924
2005-03-31

Hydraulic camshaft adjuster for an internal combustion engine

#361
20050066922
2005-03-31

Drive for valve operating control systems in motor vehicles, preferably camshaft adjusters

#362
20050061278
2005-03-24

Camshaft adjuster with an electrical drive

#363
20050061276
2005-03-24

Variable valve timing controller for internal combustion engine

#364
20050059517
2005-03-17

Tensioner for a chain or belt

#365
20050056249
2005-03-17

Camshaft adjustment control device

#366
20050051121
2005-03-10

Variable camshaft timing phaser having a housing and a driving element of two different materials

#367
20050051116
2005-03-10

Gear system for an internal combustion engine

#368
20050045129
2005-03-03

Oil supply structure for continuously variable valve timing apparatus

#369
20050044705
2005-03-03

Apparatus for fastening sand core elements

#370
20050039713
2005-02-24

Method and apparatus for actuating a cam phaser

#371
20050038593
2005-02-17

Method for controlling the position of a camshaft actuator

#372
20050034695
2005-02-17

Spool valve controlled VCT locking pin release mechanism

#373
20050034694
2005-02-17

Variable duration valve timing camshaft

#374
20050034692
2005-02-17

Internal-combustion engine with a hydraulic device for a rotation angle adjustment of a camshaft relative to a crankshaft

#375
20050028773
2005-02-10

Variable valve actuation apparatus for internal combustion engine

#376
20050028770
2005-02-10

Cam position measurement for embedded control VCT systems using non-ideal pulse-wheels for cam position measurement

#377
20050016490
2005-01-27

Integrated power transmission drive and method

#378
20050016481
2005-01-27

Variable valve timing control device

#379
20050014586
2005-01-20

Method of changing the duty cycle frequency of a PWM solenoid on a CAM phaser to increase compliance in a timing drive

#380
20050011481
2005-01-20

Device for adjusting a camshaft of an internal combustion engine of a motor vehicle

#381
20050005908
2005-01-13

Control apparatus for internal combustion engine

#382
20050005894
2005-01-13

Vertical engine

#383
20050005893
2005-01-13

Power transmission system cover for engine

#384
20050005886
2005-01-13

Method for reducing VCT low speed closed loop excessive response time

#385
20050005883
2005-01-13

System and method for improving VCT closed-loop response at low cam torque frequency

#386
19248571
2025-10-28

Fuel injected independent rotary valve engine

#387
19183677
2025-07-22

Independent rotary valve engine

#388
18064779
2024-04-30

Chain or belt drive with multiple non-prevalent order sprockets or pulleys

#389
17180722
2022-06-07

Variable valve timing method and mechanism