| Patents for F01L 1 - Valve-gear or valve arrangements, e.g. lift-valve gear (30,520) |
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| 07/31/1997 | DE19621460C1 Cam shaft phasing gear, with damper housing, operating chamber and closure cover |
| 07/31/1997 | DE19602704A1 Vorrichtung zum Verändern der Steuerzeiten einer Brennkraftmaschine Means for varying the control times of an internal combustion engine |
| 07/30/1997 | CN1155918A Ceramic sliding part |
| 07/29/1997 | US5651344 Induction and injection system for multi-valve engine |
| 07/29/1997 | US5651337 Carrier for camshaft and tappet support |
| 07/29/1997 | US5651336 Variable valve timing and lift mechanism |
| 07/29/1997 | US5651335 For a valve actuating mechanism of an internal combustion engine |
| 07/24/1997 | WO1997026447A1 Method and apparatus for controlling valve mechanism of engine |
| 07/24/1997 | WO1997026446A1 Tappet for an internal combustion engine valve drive |
| 07/24/1997 | WO1997026445A1 Valve tappet actuated by the cam of an internal combustion engine |
| 07/24/1997 | DE19602013A1 IC-Engine cylinder-head with variable valve stroke |
| 07/24/1997 | DE19602012A1 Durch einen Nocken einer Brennkraftmaschine betätigter Ventilstößel By a cam an internal combustion engine operated valve tappet |
| 07/24/1997 | DE19601587A1 Stößel für einen Ventiltrieb einer Brennkraftmaschine Ram for a valve train of an internal combustion engine |
| 07/23/1997 | EP0785340A1 A rocker arm assembly for an internal combustion engine |
| 07/23/1997 | EP0605672B1 Engine braking utilizing unit valve actuation |
| 07/22/1997 | US5649506 Coupling for the transmission of alternating torques |
| 07/17/1997 | WO1997025524A1 Device for changing the timing of an internal combustion engine |
| 07/17/1997 | DE19601170A1 Tappet for deactivating valve or altering valve lift |
| 07/17/1997 | DE19601045A1 Preassembled valve unit for self-adjusting hydraulic tappet |
| 07/17/1997 | DE19600853A1 Vorrichtung zum Verändern der Steuerzeiten einer Brennkraftmaschine Means for varying the control times of an internal combustion engine |
| 07/17/1997 | DE19600852A1 Anti=rotation component of lifter of valve gear of combustion engine |
| 07/17/1997 | DE19600535A1 Clearance eliminator for variable lift inlet valve system |
| 07/17/1997 | CA2194716A1 Rocker arm assembly for an internal combustion engine |
| 07/16/1997 | EP0784148A1 Tappet in an internal combustion engine |
| 07/16/1997 | CN1154732A Push rod and method of mfg. same |
| 07/15/1997 | US5647319 Decompression braking apparatus for diesel engine |
| 07/15/1997 | US5647313 Combination of adjusting shim and cam |
| 07/15/1997 | US5647312 Four-stroke Otto engine having hybrid control |
| 07/15/1997 | US5647310 Engine exhaust valve mechanism |
| 07/10/1997 | WO1997024525A1 Internal-combustion engine |
| 07/10/1997 | WO1997024514A1 Internal-combustion engine fitted with a cam drive |
| 07/10/1997 | WO1997024513A1 Force-transmission element, in particular a roller tappet designed to actuate a valve in an internal-combustion engine |
| 07/10/1997 | DE19624230C1 Valve control for internal combustion engines |
| 07/09/1997 | EP0628132B1 Variable timing gear device |
| 07/08/1997 | US5645025 Internal combustion engine |
| 07/08/1997 | US5645024 Camshaft end-play adjustment device |
| 07/08/1997 | US5645023 Valve train for an internal combustion engine |
| 07/08/1997 | US5645022 Engine valve drive control device |
| 07/08/1997 | US5645021 Valve timing adjusting mechanism for internal combustion engine |
| 07/08/1997 | US5645020 CAM assembly installation in engine |
| 07/08/1997 | US5645017 Internal combustion engine |
| 07/03/1997 | DE19619183C1 Cylinder head arrangement for internal combustion engine |
| 07/03/1997 | DE19615234C1 Cylinder head for multi-cylinder internal combustion engine |
| 07/03/1997 | DE19549223A1 Brennkraftmaschine Internal combustion engine |
| 07/03/1997 | DE19549221A1 Brennkraftmaschine mit einem Nockenantrieb Internal combustion engine having a cam drive |
| 07/03/1997 | DE19548808A1 Übertragungselement, insbesondere Rollenstößel zur Betätigung eines Ventils für insbesondere einen Verbrennungsmotor Transmission element, in particular a roller tappet for operating a valve for, in particular an internal combustion engine |
| 07/03/1997 | DE19548290A1 Device for turning valve of internal combustion engine |
| 07/03/1997 | DE19548089A1 Device for oil supply for hydraulic clearance compensating element of engine valve |
| 07/03/1997 | DE19548087A1 Cylinder head for internal combustion engine |
| 07/02/1997 | EP0781900A1 Latchable rocker arm mounting |
| 07/02/1997 | EP0781899A1 Valve timing control device |
| 07/02/1997 | EP0781898A1 Improvement to internal combustion engines |
| 07/02/1997 | CN2257328Y Engine rotary truck type distribution mechanism |
| 07/02/1997 | CN1153252A Overhead-cam engine |
| 07/01/1997 | US5644073 Diagnostic system for variable valve timing control system |
| 07/01/1997 | US5643054 Machine part with improved surface texture for rolling contact and/or sliding contact |
| 07/01/1997 | US5642694 Integral formed oil column extender for hydraulic lash adjuster |
| 07/01/1997 | US5642693 Rocker arm and method of manufacturing same |
| 07/01/1997 | US5642692 Valve control mechanism |
| 06/25/1997 | EP0780593A1 Crank drive mechanism for internal combustion engine |
| 06/25/1997 | EP0780560A1 Cylinder head for an internal combustion engine |
| 06/25/1997 | EP0780547A1 Internal combustion engine valve lift varying device |
| 06/24/1997 | US5640934 Method of adjusting a valve clearance |
| 06/19/1997 | WO1997021909A2 Valve gear mechanism for an internal combustion engine |
| 06/19/1997 | WO1997021908A1 Device for varying the valve timing of an internal combustion engine |
| 06/19/1997 | DE19650289A1 Hydraulic tensioner for internal combustion engine control |
| 06/19/1997 | DE19615076A1 Adjuster for internal combustion engine gas valves |
| 06/19/1997 | DE19547101A1 Camshaft angle adjuster for gas reversal valve |
| 06/19/1997 | DE19546934A1 Camshaft and crankshaft angle adjuster via sliding sleeve and piston |
| 06/19/1997 | DE19546366A1 Ventiltrieb einer Brennkraftmaschine Valve train of an internal combustion engine |
| 06/18/1997 | EP0779450A2 Hydraulic tensioner for flexible elements driving a camshaft |
| 06/18/1997 | EP0779411A1 Valve driving device for an internal combustion engine |
| 06/18/1997 | EP0779410A1 Composite shim for use in internal combustion engine |
| 06/17/1997 | US5638787 Combustion chamber system having an improved valve arrangement |
| 06/17/1997 | US5638783 Valve train for an internal combustion engine |
| 06/17/1997 | US5638782 Valve timing control device |
| 06/12/1997 | WO1997021026A1 Diesel v-engine |
| 06/12/1997 | DE19608410C1 Valve operating lever for internal combustion engine |
| 06/12/1997 | DE19546103A1 Vorrichtung zum Verändern der Steuerzeiten einer Brennkraftmaschine Means for varying the control times of an internal combustion engine |
| 06/12/1997 | DE19545991A1 Lightweight camshaft with at least partly non-cylindrical outer surface |
| 06/12/1997 | DE19541770A1 Vorrichtung zum Verändern der Öffnungs- und Schließzeiten von Gaswechselventilen einer Brennkraftmaschine Means for varying the opening and closing times of gas exchange valves of an internal combustion engine |
| 06/11/1997 | EP0778398A1 Ceramic sliding part |
| 06/11/1997 | EP0637358B1 Lost motion actuator |
| 06/10/1997 | US5636609 Variable cylinder-operation controlled internal combustion engine |
| 06/10/1997 | US5636604 Tappet for a valve drive of an internal combustion engine |
| 06/10/1997 | US5636603 Apparatus for detecting valve lifting characteristic of cam shaft assembly for use in internal combustion engine |
| 06/10/1997 | US5636602 Push-pull valve assembly for an engine cylinder |
| 06/10/1997 | US5636600 Rocker lever assembly for internal combustion engine |
| 06/05/1997 | DE19621318C1 Guide bore for valve operating push-rod |
| 06/05/1997 | DE19611641C1 Valve operating cam drive for combustion engines |
| 06/04/1997 | EP0777039A1 Valve drive apparatus for an internal combustion engine having a convex shim between a cam and a valve |
| 06/04/1997 | EP0777037A1 Valve timing control device |
| 06/03/1997 | US5635634 Method for calculating the air charge for an internal combustion engine with variable valve timing |
| 05/29/1997 | WO1997019279A1 Mechanical part |
| 05/29/1997 | WO1997019278A1 Mechanical part |
| 05/29/1997 | WO1997019259A1 Desmodromic distribution system for four-stroke engines |
| 05/29/1997 | WO1997019258A1 Driving lever or rocker arm made by non-cutting shaping |
| 05/28/1997 | EP0775806A1 Method of forming a tappet in an internal combustion engine |
| 05/28/1997 | EP0775256A1 Six-stroke internal combustion engine with variable combustion chamber |
| 05/28/1997 | EP0775252A2 Variable valve timing system |