ClassID:

137143

F01L1/024 - CPC Classification

Classification description:

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

Recent Application in this class:
#1
20250369373
2025-12-04

VALVED-PISTON AND ACTUATOR WITH RECYCLED COMBUSTION

#2
20250334063
2025-10-30

COMBUSTION INJECTION AND CONTROL METHOD FOR ROTARY VALVE ENGINE

#3
20250334062
2025-10-30

FUEL INJECTED INDEPENDENT ROTARY VALVE ENGINE

#4
20240229735
2024-07-11

Belt cover structure for internal combustion engine

#5
20240191783
2024-06-13

Variable stiffness function through a check valve in a hydraulic

#6
20240167398
2024-05-23

Sound reducing device for internal combustion engine

#7
20230220790
2023-07-13

Apparatus and method for assembling an engine

#8
20210285524
2021-09-16

CHECK VALVE AND INTEGRATED PRESSURE RELIEF VALVE CONTROLLED BY A METALLIC BAND

#9
20210277823
2021-09-09

Power unit

#10
20210199027
2021-07-01

Camshaft adjusting device

#11
20210140518
2021-05-13

Timing belt tensioner with improved construction

#12
20200378280
2020-12-03

Dual Camshaft Phase Control Assembly

#13
20200308996
2020-10-01

Device for adjusting camshaft phase

#14
20200240294
2020-07-30

Internal combustion engine

#15
20200165944
2020-05-28

Electromechanical camshaft adjuster

#16
20200141283
2020-05-07

Synchronous belt drive system

#17
20190345879
2019-11-14

Control system for internal combustion engines

#18
20190345849
2019-11-14

EGR cooler

#19
20190345848
2019-11-14

Synchronous drive apparatus with adjustable non-circular drive elements

#20
20190292951
2019-09-26

Dual Camshaft Phase Control Assembly

#21
20190277363
2019-09-12

Torsion spring assembly, camshaft phaser and belt or chain tightener therewith

#22
20190186307
2019-06-20

Variable cam timing system and method for operation of said system

#23
20190170027
2019-06-06

Camshaft phaser arrangement for a concentrically arranged camshaft assembly

#24
20190136758
2019-05-09

Pulley system for crankshaft

#25
20190136723
2019-05-09

Valve timing adjustment device

#26
20190048764
2019-02-14

TIMING DRIVE TENSIONER ASSEMBLY WITH PRE-LOAD AND METHOD

#27
20190011020
2019-01-10

Synchronous belt drive system

#28
20180306282
2018-10-25

Friction type one-way high damping gauge tensioner

#29
20180274404
2018-09-27

Valve drive for an internal combustion engine

#30
20180274403
2018-09-27

Valve drive for an internal combustion engine

#31
20180230866
2018-08-16

Pressed extruded pulley

#32
20180187610
2018-07-05

Internal-combustion engine valve timing control apparatus

#33
20180149270
2018-05-31

Internal combustion engine and method for assembling an internal combustion engine

#34
20180149048
2018-05-31

Method of adaptively controlling a motor vehicle engine system

#35
20180119832
2018-05-03

INTEGRATED DISK CHECK VALVE IN A HYDRAULIC TENSIONER WITH METERED BACKFLOW

#36
20180058313
2018-03-01

Portable four-stroke engine

#37
20180030862
2018-02-01

Camshaft phaser

#38
20180016950
2018-01-18

Hydraulic camshaft phaser and valve for operation thereof

#39
20170342871
2017-11-30

CAMSHAFT PHASE REGULATOR

#40
20170328243
2017-11-16

Variable compression ratio engine camshaft drive

#41
20170306808
2017-10-26

Cam drive system for an engine

#42
20170299042
2017-10-19

Internal combustion engine

#43
20170284530
2017-10-05

SPROCKET STRUCTURE OF ENGINE

#44
20170268389
2017-09-21

Rotor for a hydraulic camshaft adjuster and manufacturing method for a rotor for a camshaft adjuster

#45
20170260881
2017-09-14

Overhead camshaft engine

#46
20170260880
2017-09-14

Overhead camshaft engine

#47
20170145874
2017-05-25

Camshaft phaser systems and locking phasers for the same

#48
20170122137
2017-05-04

Camshaft phaser systems and method of commutating an electric motor for the same

#49
20170114678
2017-04-27

Rotary valve engine system

#50
20170037744
2017-02-09

Variable tensioning for engine camshaft drive

#51
20160298505
2016-10-13

Valve timing adjusting device

#52
20160192463
2016-06-30

Engine and method of production of engine

#53
20150240918
2015-08-27

Hydraulic tensioner device

#54
20150204218
2015-07-23

Guide shoe

#55
20150080159
2015-03-19

Timing belt spacer tool

#56
20140366821
2014-12-18

Camshaft phaser

#57
20140230764
2014-08-21

Sealing device and camshaft adjuster

#58
20140174398
2014-06-26

Internal combustion engine with lubrication system

#59
20140109863
2014-04-24

Timing belt pulley mounting and geometry for use in internal combustion engines

#60
20140069362
2014-03-13

Control system for variable valve timing apparatus

#61
20130319349
2013-12-05

Machine combination comprising an internal combustion engine and a generator

#62
20130312396
2013-11-28

Internal combustion engine

#63
20130139773
2013-06-06

Engine drive system

#64
20130055836
2013-03-07

Adjustable camshaft sprocket assembly and tool for same

#65
20130000579
2013-01-03

Internal combustion engine having two lubricating chambers separated from one another in a fluid-tight manner

#66
20120222513
2012-09-06

VARIABLE VALVE TIMING DEVICE

#67
20120090456
2012-04-19

Piston type pneumatic engine

#68
20120088617
2012-04-12

Engine drive system

#69
20120080012
2012-04-05

Variable compression ratio internal engine

#70
20120067314
2012-03-22

Valve-mechanism-equipped engine

#71
20120024249
2012-02-02

HYDRAULIC BACKLASH COMPENSATING ELEMENT

#72
20110312454
2011-12-22

Tensioner with micro-adjustment feature

#73
20110283962
2011-11-24

Compound drive for the sleeve valve of an engine

#74
20110277719
2011-11-17

ROTARY INTAKE AND EXHAUST SYSTEM

#75
20110277713
2011-11-17

Harmonic drive camshaft phaser with a compact drive sprocket

#76
20110265745
2011-11-03

Cylinder head of an internal combustion engine

#77
20110197840
2011-08-18

Engine equipped with variable valve timing mechanism

#78
20110178694
2011-07-21

CONTROL DEVICE FOR VARIABLE VALVE ACTUATION SYSTEM

#79
20110174252
2011-07-21

Valve timing adjuster

#80
20110126785
2011-06-02

Hydraulic camshaft adjuster

#81
20110100312
2011-05-05

CONTROL SYSTEM FOR VARIABLE VALVE TIMING APPARATUS

#82
20110077114
2011-03-31

ANCHORED MECHANICAL STRAP TENSIONER FOR MULTI-STRAND TENSIONING

#83
20110073064
2011-03-31

Integrally cast block and gaseous fuel injected generator engine

#84
20110061616
2011-03-17

Valve Timing Control Apparatus for Internal Combustion Engine, and Method of Producing Same

#85
20110048351
2011-03-03

Adjustable camshaft sprocket assembly and tool for same

#86
20110048349
2011-03-03

Internal combustion engine control device

#87
20110048348
2011-03-03

Solenoid valve for variable valve timing control devices, and variable valve timing control system

#88
20110028254
2011-02-03

BELT DRIVE

#89
20110011655
2011-01-20

Travel system for a hybrid type motor vehicle and method for driving same

#90
20110000449
2011-01-06

Variable valve timing device

#91
20100313838
2010-12-16

Cam carrier assembly

#92
20100300417
2010-12-02

INTERNAL COMBUSTION ENGINE HAVING A TRANSITIONALLY SEGREGATED COMBUSTION CHAMBER

#93
20100242885
2010-09-30

4-stroke cycle internal combustion engine

#94
20100242881
2010-09-30

Hydraulic camshaft adjuster having an axial screw plug

#95
20100242880
2010-09-30

Valve timing controller for internal combustion engine

#96
20100224149
2010-09-09

TIMING CHAIN DRIVE COMPRISING AN INTEGRATED ELECTRIC MOTOR

#97
20100218738
2010-09-02

NON-SYNCHRONOUS BELT DRIVEN CAMSHAFT PHASE SHIFT DEVICE

#98
20100197433
2010-08-05

Synchronous drive apparatus and methods

#99
20100180869
2010-07-22

Spark-ignited internal combustion engine and method of controlling the same

#100
20100180857
2010-07-22

PARTIALLY DEACTIVATABLE INTERNAL COMBUSTION ENGINE

#101
20100175673
2010-07-15

2-valve, 2-plug, 2-intake lean burn engine with squish flow with about 2/3 the combustion chamber under the exhaust valve

#102
20100175650
2010-07-15

Valve opening/closing timing control apparatus

#103
20100175649
2010-07-15

Valve opening/closing timing control apparatus

#104
20100167855
2010-07-01

CHAIN OR SYNCHRONOUS BELT DRIVE AND TENSIONING OR GUIDING ELEMENT FOR INTEGRATING INTO A CHAIN OR SYNCHRONOUS BELT DRIVE

#105
20100139590
2010-06-10

Apparatus for adjusting deviation of engine and continuously variable valve lift device including the same

#106
20100132674
2010-06-03

Spark-ignited internal combustion engine and method of controlling the same

#107
20100126450
2010-05-27

Camshaft adjuster for an internal combustion engine with improved design of the pressure chambers

#108
20100116231
2010-05-13

Variable valve gear for internal combustion engine

#109
20100071646
2010-03-25

Engine

#110
20100064995
2010-03-18

Engine valve operating system

#111
20100050969
2010-03-04

Mechanical adjuster

#112
20100031903
2010-02-11

Air-cooled engine

#113
20100025138
2010-02-04

Centrifugal advance mechanism

#114
20100012059
2010-01-21

Roller bearing, camshaft support structure, and internal combustion engine

#115
20090293823
2009-12-03

Traction mechanism drive with a compensating device for vibration reduction

#116
20090288630
2009-11-26

Zero float valve for internal combustion engine and method of operation thereof

#117
20090277420
2009-11-12

Accumulator-type fuel injection apparatus and internal combustion engine provided with that accumulator-type fuel injection apparatus

#118
20090277407
2009-11-12

Valve train for internal combustion engine

#119
20090276145
2009-11-05

Synchronization device for an engine

#120
20090272350
2009-11-05

Camshaft adjuster for an internal combustion engine

#121
20090272349
2009-11-05

Vane-type phaser

#122
20090270214
2009-10-29

Device for phase-shifting the rotational angle of a drive wheel relative to an output shaft

#123
20090266338
2009-10-29

Spark ignition type internal combustion engine

#124
20090266337
2009-10-29

Electromechanical device for controlling a variable compression ratio engine

#125
20090266330
2009-10-29

Monolithic block and valve train for a four-stroke engine

#126
20090260589
2009-10-22

Device for variably adjusting the control times of gas-exchange valves of an internal combustion engine

#127
20090241892
2009-10-01

Crankcase structure for an overhead-camshaft internal combustion engine, and engine incorporating same

#128
20090241875
2009-10-01

Apparatus and methods for continuous variable valve timing

#129
20090241869
2009-10-01

Vehicle and propulsion system including an internal combustion engine

#130
20090223469
2009-09-10

BALANCE SHAFT DRIVE SYSTEM

#131
20090199801
2009-08-13

VALVE TIMING ADJUSTING APPARATUS

#132
20090186725
2009-07-23

MULTI-UTILITY CAMSHAFT CAP FOR INTERNAL COMBUSTION ENGINE

#133
20090183702
2009-07-23

Doubled cam shaft adjuster in layered construction

#134
20090149287
2009-06-11

Non-circular rotary component

#135
20090145381
2009-06-11

Vibration-damping control apparatus and method for internal combustion engine

#136
20090145380
2009-06-11

Apparatus for controlling variable valve device

#137
20090139478
2009-06-04

Reciprocating piston internal combustion engine and method for determining the wear of a transmission element arranged between a crankshaft and a camshaft

#138
20090126662
2009-05-21

Engines with variable valve actuation and vehicles including the same

#139
20090120391
2009-05-14

Device for varying the control times of an internal combustion engine

#140
20090120388
2009-05-14

Electro-hydraulic hybrid camshaft phaser

#141
20090090315
2009-04-09

HORIZONTALLY OPPOSED ENGINE

#142
20090056657
2009-03-05

V-type engine for vehicle

#143
20090050086
2009-02-26

VARIABLE VALVE DRIVING APPARATUS OF INTERNAL COMBUSTION ENGINE

#144
20090020083
2009-01-22

Engine valve operating system

#145
20090000582
2009-01-01

Variable valve train system for internal combustion engine

#146
20080308053
2008-12-18

Variable Valve Drive Device, Engine, and Motorcycle

#147
20080287234
2008-11-20

Belt Drive

#148
20080264367
2008-10-30

Variable valve timing control apparatus of internal combustion engine

#149
20080254926
2008-10-16

Traction Mechanism Drive

#150
20080251051
2008-10-16

Fuel pump driving device

#151
20080230027
2008-09-25

Vct Control Module with Intelligence

#152
20080216783
2008-09-11

Variable valve timing mechanism-equipped engine

#153
20080210311
2008-09-04

Mounting arrangement for a rotary valve

#154
20080200293
2008-08-21

Sprocket With 1.5 Order, and Multiples Thereof, Vibration Canceling Profile and Synchronous Drive Employing Such a Sprocket

#155
20080178829
2008-07-31

Cylinder head for an overhead-cam internal combustion engine, engine incorporating same, and vehicle incorporating the engine

#156
20080172160
2008-07-17

Method to measure VCT phase by tracking the absolute angular positions of the camshaft and the crankshaft

#157
20080156289
2008-07-03

Cylinder head for an internal combustion engine

#158
20080156287
2008-07-03

System for controlling fluid flow

#159
20080156286
2008-07-03

System and method for controlling fluid flow to or from a cylinder of an internal combustion engine

#160
20080146389
2008-06-19

Belt gear positioning device

#161
20080141962
2008-06-19

Rotor and stator seals for a vane-type camshaft phaser

#162
20080141960
2008-06-19

Variable valve actuation system having a crank-based actuation transmission

#163
20080136404
2008-06-12

Cam phasing system with mid-range engine shutdown

#164
20080135717
2008-06-12

Holding device

#165
20080135003
2008-06-12

Oil supply circuit for cylinder deactivation system

#166
20080127936
2008-06-05

Variable pitch timing chain/belt for camshaft to crankshaft correlation

#167
20080127916
2008-06-05

Vehicle and propulsion system including an internal combustion engine

#168
20080127915
2008-06-05

Motor engine family

#169
20080105079
2008-05-08

Camshaft adjusting device

#170
20080099707
2008-05-01

Arrangement structure of electrically-driven actuator

#171
20080087246
2008-04-17

Engine and motorcycle

#172
20080087241
2008-04-17

Camshaft phaser having a differential bevel gear system

#173
20080085799
2008-04-10

Synchronous belt drive system

#174
20080071508
2008-03-20

Synchronous drive apparatus and methods

#175
20080070731
2008-03-20

Camshaft drive system for internal combustion engine

#176
20080066709
2008-03-20

Rotary valves and valve seal assemblies

#177
20080066572
2008-03-20

Valve timing control system

#178
20080047516
2008-02-28

Phase adjusting apparatus and a cam shaft phase adjusting apparatus for an internal combustion engine

#179
20080047515
2008-02-28

Valve timing control apparatus

#180
20080047514
2008-02-28

Adjustable camshaft sprocket assembly and tool for same

#181
20080047513
2008-02-28

Lifelong-lubricated camshaft drive for an internal combustion engine

#182
20080029050
2008-02-07

Variable valve timing controller for internal combustion engine

#183
20080022952
2008-01-31

Valve timing control apparatus and its assembling method

#184
20080017150
2008-01-24

Variable Valve Drive Device, Engine, and Motorcycle

#185
20080017144
2008-01-24

Internal combustion engine comprising a variable valve lift profile system and a method for controlling valve lift profile shifting

#186
20080011255
2008-01-17

Variable valve timing control apparatus of internal combustion engine

#187
20070295294
2007-12-27

Valve timing controller

#188
20070289563
2007-12-20

Method for controlling valve overlap of a variable valvetrain engine

#189
20070277762
2007-12-06

Vertical internal combustion engine provided with belt-drive transmission mechanism

#190
20070277761
2007-12-06

Vertical internal combustion engine provided with belt-drive transmission mechanism

#191
20070277757
2007-12-06

Vane-type cam phaser having bias spring system to assist intermediate position pin locking

#192
20070266970
2007-11-22

Valve timing controlling apparatus

#193
20070261651
2007-11-15

Valve timing control device

#194
20070261649
2007-11-15

Variable valve timing control apparatus of internal combustion engine

#195
20070251479
2007-11-01

Vertical internal combustion engine provided with belt-drive transmission mechanism

#196
20070251474
2007-11-01

Cam phasing system with mid-range engine shutdown

#197
20070249445
2007-10-25

Slippage prevention mechanism for toothed endless torque transmission member

#198
20070234981
2007-10-11

V-engine with auxiliary shafts

#199
20070232426
2007-10-04

Belt Drive for an Internal Combustion Engine

#200
20070227509
2007-10-04

Internal combustion engine having improved fuel pump configuration, and vehicle including same

#201
20070227483
2007-10-04

Variable valve timing apparatus executing reference position learning and control method thereof

#202
20070227482
2007-10-04

Variable valve timing apparatus with reduced power consumption and control method thereof

#203
20070215091
2007-09-20

Noise suppressing mechanism for balance gear of engine crankshaft

#204
20070215085
2007-09-20

Valve timing control apparatus

#205
20070215084
2007-09-20

Variable chamber volume phaser

#206
20070215076
2007-09-20

V-engine with rotatable cylinder heads

#207
20070209621
2007-09-13

Valve timing controller with separating member

#208
20070193542
2007-08-23

Air cooled Twin Cam V-Twin motorcycle engine timing belt system

#209
20070193541
2007-08-23

Valve system of V-type engine

#210
20070186907
2007-08-16

Accumulator-type fuel injection apparatus and internal combustion engine provided with that accumulator-type fuel injection apparatus

#211
20070186887
2007-08-16

Camshaft phaser having designated contact vane

#212
20070173362
2007-07-26

Chain or synchronous belt drive and tensioning or guiding element for integrating into a chain or synchronous belt drive

#213
20070169732
2007-07-26

Phase controller and cam shaft phase controller for internal combustion engine

#214
20070163529
2007-07-19

Wraparound drive for internal combustion engines having drive damping

#215
20070163243
2007-07-19

Exhaust system with cam-operated valve assembly and associated method

#216
20070151538
2007-07-05

Rotary valve system and engine using the same

#217
20070151537
2007-07-05

Rotary valve system and engine using the same

#218
20070144477
2007-06-28

Twincam engine and motorcycle comprising the same

#219
20070144475
2007-06-28

Valve timing control device

#220
20070142146
2007-06-21

Belt assembly with a tensioning device

#221
20070137597
2007-06-21

Valve-operating mechanism

#222
20070131199
2007-06-14

Variable valve control apparatus for internal combustion engine and method thereof

#223
20070125330
2007-06-07

System for variable valvetrain actuation

#224
20070125329
2007-06-07

System for variable valvetrain actuation

#225
20070113808
2007-05-24

INTERNAL COMBUSTION ENGINE COMPRISING A VARIABLE VALVE LIFT SYSTEM AND A METHOD FOR CONTROLLING VALVE LIFT SHIFTING

#226
20070113807
2007-05-24

INTERNAL COMBUSTION ENGINE COMPRISING A VARIABLE VALVE LIFT SYSTEM AND A VARIABLE VALVE TIMING SYSTEM, AND A METHOD FOR SUCH AN ENGINE

#227
20070107685
2007-05-17

Cam drive apparatus having a magnetic gear

#228
20070107679
2007-05-17

Reciprocating cylinder engine

#229
20070105465
2007-05-10

Watercraft Having a Four Stroke Engine with a Supercharger

#230
20070101960
2007-05-10

Variable camshaft timing system for an internal combustion engine

#231
20070101957
2007-05-10

Poppet cylinder valve operating system for internal combustion engine

#232
20070074693
2007-04-05

Valve timing control system for internal combustion engine

#233
20070074686
2007-04-05

Engine with intake valves operated by camshaft

#234
20070068465
2007-03-29

Watercraft having a four stroke engine with a supercharger

#235
20070066430
2007-03-22

Non-circular rotary component

#236
20070066428
2007-03-22

Tensioning device

#237
20070062475
2007-03-22

INA-schaeffler KG, industriestrasse 1-3, 91074 herzogenaurach ANR 12 88 48 20

#238
20070062474
2007-03-22

Locking pin mechanism for a vane-type cam phaser

#239
20070056544
2007-03-15

Camshaft drive system and engine assembly

#240
20070056543
2007-03-15

Drive plate assembly and method of assembling a powertrain

#241
20070051332
2007-03-08

Valve timing adjusting apparatus

#242
20070051330
2007-03-08

Valve timing adjusting apparatus

#243
20070044746
2007-03-01

Hydraulic play compensation device

#244
20070028874
2007-02-08

Mapping temperature compensation limits for PWM control of VCT phasers

#245
20070017477
2007-01-25

Rotary valve system and engine using the same

#246
20070017476
2007-01-25

Rotary valve system and engine using the same

#247
20070017464
2007-01-25

Traction mechanism drive

#248
20070017204
2007-01-25

Internal combustion engine and method

#249
20070017203
2007-01-25

Internal combustion engine and method

#250
20070017202
2007-01-25

Internal combustion engine and method

#251
20070017201
2007-01-25

Internal combustion engine and method

#252
20070017200
2007-01-25

Internal combustion engine and method

#253
20070012291
2007-01-18

Internal combustion engine and method

#254
20070012024
2007-01-18

Internal combustion engine and method

#255
20070012023
2007-01-18

Internal combustion engine and method with improved combustion chamber

#256
20070012022
2007-01-18

Internal combustion engine and method with improved combustion chamber

#257
20070012021
2007-01-18

Internal combustion engine and method with improved combustion chamber

#258
20070012020
2007-01-18

Internal combustion engine and method with improved combustion chamber

#259
20070006836
2007-01-11

Traction mechanism drive having vibration damping

#260
20060278190
2006-12-14

Electric valve drive with a rotating actuator

#261
20060278187
2006-12-14

Camshaft adjuster

#262
20060264285
2006-11-23

Synchronous drive apparatus and methods

#263
20060260578
2006-11-23

Apparatus for the variable setting of the control times of gas exchange valves of an internal combustion engine

#264
20060260577
2006-11-23

Valve timing control apparatus and internal combustion engine

#265
20060260573
2006-11-23

Variable valve timing control device of internal combustion engine

#266
20060254554
2006-11-16

Rotary valve system and engine using the same

#267
20060254549
2006-11-16

Hydraulic tappet clearance compensation device

#268
20060254548
2006-11-16

Belt drive kit and module

#269
20060254547
2006-11-16

Engine

#270
20060254249
2006-11-16

Internal combustion engine and method with improved combustion chamber

#271
20060249118
2006-11-09

Damped accessory drive system including a motor/generator

#272
20060243236
2006-11-02

V type internal combustion engine

#273
20060243229
2006-11-02

Internal combustion engine and method

#274
20060240923
2006-10-26

Timing transmission having enhanced timing chain removal and replacement feature, and method

#275
20060231053
2006-10-19

Driving force transmitter and valve timing controller using the same

#276
20060229797
2006-10-12

Engine control apparatus

#277
20060213469
2006-09-28

Variable valve mechanism

#278
20060213045
2006-09-28

Internal combustion engine and an engine housing

#279
20060207538
2006-09-21

Camshaft to phaser coupling

#280
20060207537
2006-09-21

Variable valve timing control device

#281
20060207534
2006-09-21

Cam angle detecting apparatus, and cam phase detecting apparatus for internal combustion engine and cam phase detecting method thereof

#282
20060201465
2006-09-14

Integrated power transmission drive and method

#283
20060185638
2006-08-24

Engine decompression system

#284
20060178240
2006-08-10

Power transmission drive

#285
20060174851
2006-08-10

Slant engine

#286
20060162683
2006-07-27

Variable valve timing controller

#287
20060144369
2006-07-06

Engine

#288
20060137635
2006-06-29

Valve timing controller

#289
20060137631
2006-06-29

Internal combustion engine with regenerator, hot air ignition, and naturally aspirated engine control

#290
20060124095
2006-06-15

Control structure for the adjusting motor of an electric camshaft adjuster

#291
20060112921
2006-06-01

Camshaft adjuster with an electrical drive

#292
20060112920
2006-06-01

Camshaft adjuster having a means for securing against modification

#293
20060112917
2006-06-01

Variable valve operating apparatus for internal combustion engine

#294
20060112551
2006-06-01

Apparatus and method for assembling crankshaft-sprocket

#295
20060102123
2006-05-18

Valve drive mechanism in an internal combustion engine

#296
20060102117
2006-05-18

Hydraulic valve actuator for reciprocating engine

#297
20060102113
2006-05-18

Reed valve breather for evolution engine

#298
20060100773
2006-05-11

Variable valve control apparatus for internal combustion engine and method thereof

#299
20060096563
2006-05-11

Four-cycle engine and system for detecting phase difference of four-cycle engine

#300
20060086332
2006-04-27

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