| Patents for F01L 1 - Valve-gear or valve arrangements, e.g. lift-valve gear (30,520) |
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| 02/24/2000 | DE19838147A1 Method for manufacturing cam shafts and by-products involves producing double tubular blanks and then removing stock in finishing process before dividing blank up to form two cam shafts |
| 02/24/2000 | DE19837586A1 Cylinder head arrangement for internal combustion engine has for each camshaft at least one bearing upper section constructed as separate bearing cover attached to corresponding lower bearing section |
| 02/24/2000 | DE19837385A1 Built-up camshaft composed of mutually centered cams adapters and pulleys using centering pieces and with center tie to hold all together in pre-tension |
| 02/23/2000 | EP0980964A2 Hydraulic valve lash adjuster |
| 02/23/2000 | EP0980466A1 Device for varying a piston engine effective volumetric displacement and/or volumetric ratio of during its operation |
| 02/23/2000 | CN2365401Y Oscillating arm auxiliary apparatus for swing arm type vehicle |
| 02/23/2000 | CN1245245A Valve operating system for IC engine |
| 02/22/2000 | US6026772 Valve characteristic control apparatus for internal combustion engine |
| 02/17/2000 | DE19836906A1 Yoke assembly for motor cylinder valves comprise a unit to compensate valve free play and eliminate manual adjustments at the shafts |
| 02/17/2000 | DE19836540A1 Fuel injection pump valve control has a valve rocker operated by a cogwheel on a threaded shaft rotated by the cogwheel at a linear slide for an infinitely variable setting |
| 02/16/2000 | EP0979929A2 Piston engine with rocker arm valve drive |
| 02/16/2000 | EP0979928A1 Internal combustion engine with rocker operated valve drive |
| 02/16/2000 | EP0807205B1 Valve drive of an internal combustion engine |
| 02/15/2000 | US6024063 Camshaft lash adjustment process and system for internal combustion engine |
| 02/15/2000 | US6024062 Hydraulic apparatus for adjusting the timing of opening and closing of an engine valve |
| 02/15/2000 | US6024061 Valve timing adjusting apparatus for internal combustion engines |
| 02/15/2000 | CA2018299C Boat-type rocker arm with flanges |
| 02/10/2000 | WO2000006871A2 Compact valve actuation mechanism |
| 02/10/2000 | DE19835403A1 Air deflector for valve working in combustion engine, facilitates motion of valve by using pressure and energy of flow simultaneously |
| 02/10/2000 | DE19835267A1 Improved valve gear for combustion engine, comprising of adjustable steel band acting on camshaft, facilitating valve timing according to engine revolutions |
| 02/09/2000 | EP0978638A1 Phase changing device between a shaft and its driving pulley |
| 02/09/2000 | EP0978637A2 Valve operating system for internal combustion engine |
| 02/09/2000 | CN2363063Y Wearing-resistant swing-arm for engine |
| 02/09/2000 | CN2363062Y Single body type swing-arm base |
| 02/09/2000 | CN1243911A Device for changing rotating position of shaft corresponding to transmission wheel |
| 02/08/2000 | US6021939 Method of producing a wear resistant mechanical component |
| 02/08/2000 | US6021751 Hydraulic valve lifter with lash |
| 02/08/2000 | US6021750 Finger lever for a valve drive of an internal combustion piston engine |
| 02/08/2000 | CA2107265C 4-cycle engine |
| 02/03/2000 | DE19834843A1 Einrichtung zur relativen Drehlagenänderung einer Welle zum Antriebsrad Means for relative rotational position change of a shaft to the drive wheel |
| 02/03/2000 | DE19834545A1 Procedure for measuring play between gas exchange valve of reciprocating piston IC engine and electromagnetic actuator operating having measurement executed in time span in which with gas exchange valves closed near TDC |
| 02/03/2000 | DE19834143A1 Setting system for the timing of an internal combustion motor has an impeller wheel keyed to the camshaft with a single spring seal between two pressure zones |
| 01/27/2000 | WO2000004280A1 Electronic device for controlling gas exchange valves of an internal combustion engine with variable opening functions |
| 01/27/2000 | DE19925776A1 Four valve cylinder head with valves arranged crosswise has both small exhaust valves on long axis and both large inlet valves on short axis with nozzle for petrol direct inlet and spark plug between valves |
| 01/27/2000 | DE19833621A1 Valve control unit for IC engines has operating pegs coupled in positive-locking fashion to at least one adjusting device sliding axially against load of return spring |
| 01/27/2000 | DE19833112A1 Lever-type cam follower of valve gear of internal combustion engine activates at least one gas exchange valve and comprises two longitudinally extending side walls joined to each other by cross beam |
| 01/26/2000 | EP0974740A2 Compression release engine braking system |
| 01/26/2000 | EP0974738A2 Valve timing variation device |
| 01/26/2000 | EP0974003A1 Multicylinder four-stroke internal combustion engine |
| 01/26/2000 | EP0974000A1 Multicylinder internal combustion engine with two inlet valves and two outlet valves |
| 01/26/2000 | CN2360610Y I. C engine distribution mechanism arranged with exhaust delay close auxiliary inlet deivce |
| 01/25/2000 | US6016779 Valve operating system in internal combustion engine |
| 01/25/2000 | US6016775 Two-cylinder head and narrow vee-type internal combustion engine including same |
| 01/20/2000 | WO2000003128A1 Device for angular adjustment of a shaft in relation to the drive wheel thereof |
| 01/20/2000 | WO2000003127A1 Internal combustion engine |
| 01/20/2000 | DE19932665A1 electronic device for controlling gas exchange valves of IC engine has electronic control device controlling inlet valves opening in sliding operation taking as starting point, full closed position of inlet valves |
| 01/20/2000 | DE19831668A1 Valve drive for reciprocating-piston internal combustion engine with polished surface of outer casing of support element, to which rubber-elastic material is vulcanized |
| 01/19/2000 | EP0775251B1 Exhaust valve mechanism in an internal combustion engine |
| 01/19/2000 | CN1048536C Cup-shaped tappet |
| 01/18/2000 | US6014952 Valve timing control apparatus for an internal combustion engine |
| 01/18/2000 | CA2113988C Intake system for internal combustion engine |
| 01/13/2000 | WO2000001933A2 Free piston internal combustion engine |
| 01/13/2000 | DE19830930A1 Angular adjustment for shaft and drive wheel |
| 01/13/2000 | DE19830427A1 Gas exchange valve lever for timing gear in IC engines |
| 01/13/2000 | DE19830426A1 Timing gear control drive for IC engine |
| 01/13/2000 | DE19830100A1 Hydraulic unit varying valve timing of engine |
| 01/13/2000 | DE19829858A1 Kombinierter elektromagnetischer/pneumatischer Aktuator zur Steuerung eines Hubventils, insbesondere Gaswechselventil einer Brennkraftmaschine A combined electromagnetic / pneumatic actuator for controlling a lift valve, especially a gas change valve of an internal combustion engine |
| 01/12/2000 | EP0971116A2 Internal combustion engine |
| 01/12/2000 | EP0971099A1 Electro-pneumatic actuator for valve drive, especially for a gas exchange valve in an internal combustion engine |
| 01/12/2000 | EP0970300A1 Valve gear for gas exchange valves of internal combustion engines |
| 01/12/2000 | EP0970293A1 Camshaft for the periodic actuation of movably stored elements and method for the production of such shaft |
| 01/11/2000 | US6012419 Rotational phase adjusting apparatus having seat for drill-machining |
| 01/06/2000 | WO2000000756A1 Method and apparatus for tensioning a chain of an internal combustion engine |
| 01/05/2000 | EP0969227A2 Shoe for a chain drive, particularly for an auxiliary drive of combustion engines |
| 01/05/2000 | EP0969216A2 Shaft arrangement |
| 01/05/2000 | EP0969184A1 Cam follower and method for assembling this cam follower |
| 01/05/2000 | DE19910951A1 Cylinder head with combined rotary slide valve steering |
| 01/05/2000 | DE19842981C1 Valve spring support for motor vehicle internal combustion engine |
| 01/05/2000 | DE19829830A1 Wellenanordnung Shaft assembly |
| 01/05/2000 | DE19829269A1 Nockenfolger und Verfahren zur Montage eines Nockenfolgers Cam follower and method for assembling a cam follower |
| 01/05/2000 | CN1240497A Tappet for a valve mechanism of an internal combustion engine |
| 01/05/2000 | CN1240496A Operating lever for valve operating mechanism of internal combustion engine |
| 01/04/2000 | US6009842 Fuel injection system for a multicylinder internal combustion engine with a fuel supply line serving as a high pressure storage device |
| 01/04/2000 | US6009841 Internal combustion engine having hybrid cylinder valve actuation system |
| 12/30/1999 | DE19828308A1 Zylinderkopf einer Brennkraftmaschine Cylinder head of an internal combustion engine |
| 12/30/1999 | DE19827860A1 Setting unit for a motor camshaft |
| 12/30/1999 | DE19826033A1 Internal combustion engine controlling valve |
| 12/29/1999 | EP0967369A1 Head cylinder for combustion engine |
| 12/29/1999 | EP0967367A2 Valve drive system for an internal combustion engine |
| 12/29/1999 | EP0966595A1 Operating mechanisms for valves |
| 12/29/1999 | CN2356144Y Air distribution changing phase automatic controller for engine |
| 12/29/1999 | CN1240015A Method and system of converting thermal energy into useful form |
| 12/29/1999 | CN1047821C Variable valve lift mechanism for internal combustion engine |
| 12/29/1999 | CN1047820C Camshaft drive |
| 12/28/1999 | US6006725 System and method for controlling camshaft timing, air/fuel ratio, and throttle position in an automotive internal combustion engine |
| 12/28/1999 | US6006710 Hydraulic lash adjuster mechanism with pressure controlled leak down |
| 12/28/1999 | US6006709 Control apparatus for varying a rotational or angular phase between two rotational shafts, preferably applicable to a valve timing control apparatus for an internal combustion engine |
| 12/28/1999 | US6006708 Valve timing controlling apparatus for internal combustion engine |
| 12/28/1999 | US6006707 Valve timing control apparatus for an internal combustion engine |
| 12/28/1999 | US6006706 Method and apparatus for controlling valve mechanism of engine |
| 12/28/1999 | US6006429 Method of inductively hardening the cams of a camshaft |
| 12/23/1999 | WO1999066176A1 Cylinder head for internal combustion engines and method for producing same |
| 12/23/1999 | WO1999051864A3 Hydraulic lash adjuster with compression release brake |
| 12/23/1999 | DE19858722A1 System for testing phase angle deviation of camshaft |
| 12/23/1999 | DE19827160A1 Torque transmission device seal for servo fluid |
| 12/23/1999 | DE19826832A1 Electromagnetic actuator for operating gas exchange valve on IC piston engine |
| 12/22/1999 | CN1239532A Multicylinder internal combustion engine with two inlet valves and two outlet valves |
| 12/21/1999 | US6006152 Method and device for monitoring the position of a variable valve control |
| 12/21/1999 | US6003483 Yoke mount rocker arm |
| 12/21/1999 | US6003482 Rocker arm for an internal combustion engine |