| Patents for F01L 1 - Valve-gear or valve arrangements, e.g. lift-valve gear (30,520) |
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| 03/06/2003 | US20030041822 Piston internal combustion engine with pressure relief gas exhaust valves |
| 03/06/2003 | US20030041821 Valve-operating assembly of driven rotation member and cam |
| 03/06/2003 | US20030041820 Valve train of an internal combustion engine |
| 03/06/2003 | CA2804058A1 System for text assisted telephony |
| 03/06/2003 | CA2761343A1 System for text assisted telephony |
| 03/05/2003 | EP1288451A1 Cylinder head for an internal combustion engine with a variable lift valve controlling device |
| 03/05/2003 | EP1288447A2 Valve spring assembly, valve spring retainer and method of building a valve spring assembly |
| 03/05/2003 | EP1288446A1 A tappet for an internal combustion engine |
| 03/05/2003 | EP1288445A2 Valve-operating assembly of driven rotation member and cam |
| 03/05/2003 | CN1401048A Control device for an air valve of an engine |
| 03/04/2003 | US6526932 Combination intake and exhaust valve assembly |
| 03/04/2003 | US6526930 Valve timing control system for internal combustion engine |
| 03/04/2003 | US6526929 Device for relative angular adjustment between two drive-connected elements rotating at the same rotational speed |
| 02/28/2003 | CA2400897A1 Valve train of an internal combustion engine |
| 02/27/2003 | WO2003016684A1 Adjustable valve control system with twin cams and a cam lift summation lever |
| 02/27/2003 | WO2003016683A1 Rotary actuator device for controlling the stroke of a gas-shuttle poppet valve in the cylinder head of an internal combustion engine |
| 02/27/2003 | WO2002050405A3 Camshaft for decreased weight and added wear resistance of lobe area |
| 02/27/2003 | US20030038269 Valve spring assembly and installation method |
| 02/27/2003 | US20030038261 Control apparatus of electromagnetic drive valve and control method of the same |
| 02/27/2003 | US20030037764 Four-cycle engine |
| 02/27/2003 | US20030037744 Rocker lever ball socket retainer |
| 02/27/2003 | US20030037742 Valve rotating device |
| 02/27/2003 | US20030037741 Device to change the timing of gas exchange valves in an internal combustion engine, in particular a rotating piston positioning device to adjust the angle that a camshaft is rotated relative to a crankshaft |
| 02/27/2003 | US20030037740 Valve timing controller of internal combustion engine |
| 02/27/2003 | US20030037739 Variable valve control comprising a sliding-block part and a free travel |
| 02/27/2003 | US20030037635 Cam follower with roller |
| 02/26/2003 | EP1286029A1 Valve drive for an internal combustion engine with variable combustion chamber |
| 02/26/2003 | EP1286024A2 Location of a cam shaft in the cylinder head of an internal combustion engine |
| 02/26/2003 | EP1286023A2 Cam phaser for a four cylinder engine |
| 02/26/2003 | EP1285158A1 Variable timing mechanism for a rotary valve |
| 02/26/2003 | EP1131538B1 Spur wheel camshaft drive for an internal combustion engine |
| 02/26/2003 | CN1399060A Internal combustion engine starting method and starter |
| 02/26/2003 | CN1102197C Spark ignition type four-stroke intenal combustion engine with booster pump |
| 02/26/2003 | CN1102193C Air breather of engine |
| 02/25/2003 | US6523523 Camless engine with crankshaft position feedback |
| 02/25/2003 | US6523518 Cylinder head assembly comprising a holder for the attachments of units |
| 02/25/2003 | US6523514 Rocker arm and method of manufacturing rocker arm body |
| 02/25/2003 | US6523513 Camshaft timing device for internal combustion engines |
| 02/25/2003 | US6523512 Control unit for adjusting the angle of rotation of a camshaft |
| 02/25/2003 | US6523511 Valve timing adjusting apparatus for internal combustion engine |
| 02/25/2003 | US6523510 Valve drive mechanism for engine |
| 02/25/2003 | US6523504 Control system for controlling variable valve type internal combustion engine |
| 02/21/2003 | CA2357794A1 Attain's new spring media |
| 02/20/2003 | WO2003014536A1 Variable valve timing system for an internal combustion engine |
| 02/20/2003 | WO2003014535A1 Device for transforming a rotational movement into a backwards and forward movement |
| 02/20/2003 | US20030034000 Valve timing control system for internal combustion engine |
| 02/20/2003 | US20030033999 Torsional assisted cam phaser for four cylinder engines having two check valves in rotor between chambers and spool valve |
| 02/20/2003 | US20030033998 Hybrid multi-position cam indexer having controls located in rotor |
| 02/20/2003 | US20030033997 Valve timing control system for internal combustion engine |
| 02/20/2003 | US20030033901 Cam lobe piece of built-up type camshaft |
| 02/20/2003 | DE20116294U1 Push-fit automotive camshaft chain control unit |
| 02/19/2003 | EP1284341A1 Valve lift adjusting device |
| 02/19/2003 | EP1284340A2 Hybrid multi-position cam indexer having controls located in rotor |
| 02/19/2003 | EP1283943A1 Valve control mechanism |
| 02/19/2003 | CN1397719A Flexible time cross-section controller |
| 02/19/2003 | CN1101890C Method for mfg. cam shaft |
| 02/18/2003 | US6520710 Powdered metal assemblies with fastener inserts |
| 02/18/2003 | US6520146 Four-stroke internal combustion engine with at least two inlet valves |
| 02/18/2003 | US6520142 Engine control system for controlling in-cylinder fuel injection engine |
| 02/18/2003 | US6520139 Timing chain lubricating structure for engine |
| 02/18/2003 | US6520135 Apparatus for adjusting valve lift |
| 02/18/2003 | US6520133 Reciprocating engine with rocker-arm valve control |
| 02/18/2003 | US6520132 Valve timing control system of internal combustion engine |
| 02/18/2003 | US6520131 Valve timing control system for internal combustion engine |
| 02/18/2003 | US6520129 Internal combustion engine with an hydraulic system for the variable driving of valves and a double-piston tappet |
| 02/14/2003 | CA2355038A1 Two-cycle engine including improved exhaust valve mechanism, and method |
| 02/13/2003 | WO2003012262A1 Method for producing cams and camshafts |
| 02/13/2003 | US20030029404 Rocker lever for valve operation of an internal combustion engine with device for automatic adjustment/readjustment of valve clearance |
| 02/13/2003 | US20030029403 Sheet metal rocker arm, manufacturing method thereof, cam follower with said rocker arm, and assembling method thereof |
| 02/13/2003 | US20030029402 Variable valve timing system for an internal combustion engine |
| 02/13/2003 | US20030029401 Cam phase variable apparatus |
| 02/13/2003 | US20030029400 Variable valve timing control device |
| 02/13/2003 | US20030029399 Valve timing control system for internal combustion engine |
| 02/13/2003 | US20030029393 Internal combustion engine combination with direct camshaft driven coolant pump |
| 02/13/2003 | US20030029392 Internal combustion engine combination with direct camshaft driven coolant pump |
| 02/12/2003 | EP1283330A1 Adapter for a high pressure injection pump for a direct injection piston combustion engine |
| 02/11/2003 | US6517601 Three-dimensional cam and production method thereof |
| 02/11/2003 | US6517274 Sealed joining of two parts each having joining surfaces meeting at right angles |
| 02/11/2003 | US6516766 Rocker arm |
| 02/11/2003 | US6516765 Passively rotating valve |
| 02/11/2003 | US6516764 Camshaft supporting structure for four-stroke cycle engine |
| 02/11/2003 | US6516763 Method of controlling a device that varies the valve control times an internal combustion engine, especially of a camshaft adjusting device with hydraulically releaseable start lock |
| 02/11/2003 | US6516762 Valve timing adjusting device having seal unit |
| 02/11/2003 | US6516760 Valves for i.c. engines with variable lifts and timings |
| 02/11/2003 | US6516759 Valve timing control apparatus for internal combustion engine |
| 02/06/2003 | WO2003010420A1 Internal combustion engine valve control apparatus |
| 02/06/2003 | US20030024495 Retainer for release member |
| 02/06/2003 | US20030024494 Push rod for use in a valve actuation device of an internal combustion engine |
| 02/06/2003 | US20030024237 Method and apparatus for exhaust gas posttreatment in internal combustion engines |
| 02/05/2003 | EP1281839A2 Rotary valve arrangement for the charge control of an internal combustion engine |
| 02/05/2003 | CN1100938C System and method for detecting malfunction related to valve of internal combustion engine |
| 02/04/2003 | US6513493 Control strategy for an engine with a hybrid valvetrain |
| 02/04/2003 | US6513474 Assembly to secure engine camshaft |
| 02/04/2003 | US6513473 Device for varying valve timing of gas exchange valves in internal combustion engines, particularly a hydraulic camshaft adjusting device of a rotary piston type |
| 02/04/2003 | US6513472 Valve train of an internal combustion engine |
| 02/04/2003 | US6513471 Cylinder deactivation engine with advanced exhaust cam timing and method |
| 02/04/2003 | US6513470 Deactivation hydraulic valve lifter |
| 02/04/2003 | US6513469 Variable valve operating system of internal combustion engine |
| 02/04/2003 | US6513468 Valve timing control system for internal combustion engine |
| 02/04/2003 | US6513467 Variable valve control device of internal combustion engine |