| Patents for F01L 13 - Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations (9,664) |
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| 05/02/2002 | WO2002035066A1 Variable duration valve timing camshaft |
| 05/02/2002 | WO2002035065A1 Variable duration camshaft |
| 05/02/2002 | EP1201886A1 A reference position learning apparatus and method of a variable valve-timing controlling system |
| 05/02/2002 | EP1201885A1 Valve operating control system in engine |
| 05/02/2002 | EP1201884A2 Valve operating control system for engine |
| 05/02/2002 | EP1003957B1 Method for adjusting a valve lift |
| 04/30/2002 | US6378495 Engine with valve resting function |
| 04/30/2002 | US6378474 Variable value timing mechanism with crank drive |
| 04/25/2002 | US20020046718 Deactivation roller hydraulic valve lifter |
| 04/25/2002 | US20020046717 Internal combustion engine valve operating mechanism |
| 04/25/2002 | DE10142260A1 Variable Ventilsteuervorrichtung einer Brennkraftmaschine A variable valve control apparatus of an internal combustion engine |
| 04/25/2002 | DE10142257A1 Steuervorrichtung für ein Einlassventil einer Brennkraftmaschine A control apparatus for an intake valve of an internal combustion engine |
| 04/25/2002 | DE10047255A1 Automatic decompression device for valve-controlled internal combustion engines has decompression lever mounted on one end face of camshaft by means of slot and is loaded against centrifugal force action by spring |
| 04/23/2002 | US6374792 Engine decompression device |
| 04/18/2002 | US20020043243 Control apparatus and method for internal combustion engine |
| 04/18/2002 | US20020043232 Four-cycle engine for marine drive |
| 04/18/2002 | DE10143147A1 Variables Ventilsystem Variable valve system |
| 04/18/2002 | DE10141012A1 Ventilbetätigungsvorrichtung für Brennkraftmaschinen The valve operating device for internal combustion engines |
| 04/18/2002 | DE10140818A1 Control for the inlet valve of an IC motor, the closing time point for an optional inlet valve is delivered later than the valve closing time point to trigger the closing valve action in a hybrid valve system |
| 04/17/2002 | EP1197640A1 Multi-configuration valve drive |
| 04/16/2002 | US6371065 Control method of an internal combustion engine |
| 04/16/2002 | US6371064 Method for controlling an electromechanical actuating drive for a gas exchange valve of an internal combustion engine |
| 04/11/2002 | US20020040703 Process intended for self-ignition control in a four-stroke engine |
| 04/11/2002 | US20020040698 Outboard motor |
| 04/11/2002 | DE10049698A1 Switch for internal combustion engine inlet/outlet valves, has actuation element with damping device on side remote from hydraulic medium opposing force exerted by medium |
| 04/11/2002 | DE10048620A1 Switchable support element for valve drive of internal combustion engine has bore for slider formed as blind bore in inner element with axial line intersecting further bore of inner element |
| 04/11/2002 | DE10048619A1 Supporting element that can be decoupled for internal combustion engine valve drive drag lever, has annular fitting on inner end of housing built into bore in outer housing in cylinder head |
| 04/11/2002 | DE10048618A1 Combustion engine with engine brake has as valve drive component a shift tappet whose compression spring has spring force between minimum and maximum outlet valve spring force |
| 04/11/2002 | DE10048250A1 Steuergerät zum Steuern eines Verbrennungsmotors mit variabel steuerbarem Ventilhub Control apparatus for controlling an internal combustion engine with variably controllable valve stroke |
| 04/10/2002 | EP1195505A1 Method to control auto-ignition in a four-stroke engine |
| 04/09/2002 | US6367437 Valve timing control system for internal combustion engine |
| 04/09/2002 | US6367436 Belt-driven variable valve actuating mechanism |
| 04/04/2002 | WO2001049976A3 Control of a multi-cylinder internal combustion engine with individually controllable inlet valves |
| 04/04/2002 | US20020038642 Switchable support element |
| 04/04/2002 | US20020038638 Control device for controlling an internal combustion engine with a variably controlled valve stroke |
| 04/04/2002 | US20020038636 Switchable support element |
| 04/04/2002 | DE10136155A1 Cam operated valve has a single torsion spring equally loading the cam shaft bearings from each side, opposed to one side only |
| 04/04/2002 | DE10044604A1 Verfahren zum Erzeugen eines an harmonischen Frequenzen reichen, sportlich klingenden Ansaug- und/oder Auspuffgeräusches bei Viertaktmotoren A method for generating a rich harmonic frequencies, sporty sounding intake and / or exhaust noise for four-stroke engines |
| 04/03/2002 | EP1193381A2 Controller for controlling a combustion engine with variable controllable valve lift |
| 04/03/2002 | EP0954683B1 Compression release for multi-cylinder engines |
| 04/02/2002 | US6363903 Intake port structure in four-stroke cycle internal combustion engine |
| 03/28/2002 | WO2002025080A1 Lean-burn variable compression ratio engine |
| 03/28/2002 | US20020035981 Timing chain lubricating system for engine |
| 03/28/2002 | US20020035978 Hydraulic lash adjuster with compression release brake |
| 03/28/2002 | US20020035977 Engageable cam follower or engageable lifter element |
| 03/28/2002 | US20020035976 Variable valve system |
| 03/28/2002 | DE10145495A1 Ventileinstellungssteuervorrichtung und Ventileinstellungssteuerverfahren für Verbrennungsmotoren Valve timing control device and valve timing control method for internal combustion engines |
| 03/28/2002 | DE10137365A1 Exhaust gas recirculating system has exhaust gas recirculating adjuster connected to proximal end of first link to contact with lower surface of second link and adjust exhaust valve opening |
| 03/28/2002 | DE10043270A1 Inlet and exhaust valves drive assembly in internal combustion engine, includes cam shaft and eccentric shaft formed of axles rods and are fitted into bores in frame wall using coupling flanges |
| 03/26/2002 | US6360705 Mechanism for variable valve lift and cylinder deactivation |
| 03/26/2002 | US6360704 Internal combustion engine variable valve characteristic control apparatus and three-dimensional cam |
| 03/21/2002 | US20020033170 Exhaust gas recirculation system |
| 03/21/2002 | US20020033158 Mechanical compression and vacuum release |
| 03/21/2002 | US20020033154 Rocker arm support mechanism |
| 03/21/2002 | US20020033152 Valve operating device for internal combustion engines |
| 03/21/2002 | US20020033151 Process and device for controlling cylinder selective filling in a combustion engine having a variable operation |
| 03/21/2002 | DE10045313A1 Variable mechano-hydraulic valve drive for gas shuttle valves of internal combustion engine, has tappet whose internal area is filled with liquid whose viscosity is altered using controllable magnetic field |
| 03/20/2002 | EP1188916A2 Method and apparatus for controlling the air charging per cylinder in engines with variable valve driving |
| 03/20/2002 | CN1341195A Apparatus for controlling position of electromagnetically operated engine valve |
| 03/20/2002 | CN1340438A Outboard motor |
| 03/20/2002 | CN1081291C Ceramic sliding part |
| 03/19/2002 | US6357406 Variable valve actuation system |
| 03/19/2002 | US6357405 Valve drive mechanism of four-stroke cycle engine |
| 03/19/2002 | US6357404 Valve control system and method for an internal-combustion engine |
| 03/19/2002 | US6357398 Control system for internal combustion engine |
| 03/14/2002 | US20020029757 Valve timing controller, valve timing control method and engine control unit for internal combustion engine |
| 03/13/2002 | EP1186754A2 Mechanical compression and vacuum release |
| 03/13/2002 | EP1186753A2 Control system and method for a hybrid vehicle using regulation of intake valve lift |
| 03/12/2002 | US6354322 Electric valve universal retrofit configuration having misalignment correction |
| 03/12/2002 | US6354265 Electro-mechanical latching rocker arm engine brake |
| 03/12/2002 | US6354255 Valve actuating mechanism |
| 03/12/2002 | US6354254 Exhaust and intake rocker arm assemblies for modifying valve lift and timing during positive power |
| 03/07/2002 | DE10042014A1 Camshaft drive device regulates valve strokes of valves, respectively provided to inlet channel or outlet channel, via lever and controlled by bucket tappet |
| 03/06/2002 | CN1338562A Valve activator of motor |
| 03/05/2002 | US6352062 Roller rocker arm assembly |
| 03/05/2002 | US6352060 Variable timing poppet valve apparatus |
| 02/28/2002 | US20020023604 Variable valve control device of internal combustion engine |
| 02/28/2002 | US20020023603 Intake valve control device of internal combustion engine |
| 02/28/2002 | US20020023601 Engine with two cylinder banks each with a valve operating device enabling variation of valve timing and valve lift characteristic |
| 02/28/2002 | DE10040544A1 Variable valve drive for externally ignited internal combustion engine, includes movable support arranged in cylinder head and contacting lever which is provided between transmission and inlet valve |
| 02/28/2002 | DE10040543A1 Support for valve drive of internal combustion engine has bearing arrangement that is provided between housing and play compensation element which is fitted above head of internal element |
| 02/27/2002 | EP1182335A2 Outboard motor |
| 02/27/2002 | EP1182331A2 Engine with two cylinder banks each with a valve operating device enabling variation of valve timing and valve lift characteristic |
| 02/26/2002 | US6349688 Direct lever overhead valve system |
| 02/21/2002 | US20020020380 Valve drive mechanism for engine |
| 02/21/2002 | US20020020378 Valve drive mechanism for engine |
| 02/21/2002 | DE10038917A1 Kolbenbrennkraftmaschine mit deaktivierbaren, mechanisch betätigbaren Gaswechselventilen Piston internal combustion engine with deactuable, mechanically actuated gas exchange valves |
| 02/21/2002 | DE10038916A1 Piston-type combustion engine used in heavy utility vehicle, has individual cams each having control profile that comprises of basic circuit contour and cam contour, and can be set in active position |
| 02/19/2002 | US6347607 Valve operating system in internal combustion engine |
| 02/19/2002 | US6347606 Valve operating system in internal combustion engine |
| 02/14/2002 | WO2002012685A1 Piston engine comprising deactivatable mechanically actuated gas exchange valves |
| 02/14/2002 | US20020017273 Assembly for providing an engine brake system for an internal combustion engine, in particular of an industrial vehicle, and an internal combustion engine provided with this assembly |
| 02/14/2002 | US20020017258 Variable performance valve train having three-dimensional cam |
| 02/14/2002 | US20020017256 Internal combustion engine control system |
| 02/14/2002 | US20020017255 Variable valve timing system |
| 02/14/2002 | US20020017252 Valve control for outboard motor engine |
| 02/14/2002 | DE10036373A1 Hubventilsteuerungen Hubventilsteuerungen |
| 02/13/2002 | EP1179666A1 Fuel injection control system and method for internal combustion engine |
| 02/12/2002 | US6345596 Engageable cam follower or engageable lifter element |
| 02/12/2002 | US6345595 Control apparatus for variably operated engine valve mechanism of internal combustion engine |