| 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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| 08/10/2004 | US6772731 Variable cam engine and method for controlling the variable cam engine |
| 08/05/2004 | WO2004065764A2 Device for actuating the gas exchange valves in reciprocating engines |
| 08/05/2004 | DE10359267A1 Verbrennungsmotor mit Ansaugventilen, variabler Ventilbetätigung und Zeitsteuerung Internal combustion engine having intake valves, and variable valve timing |
| 08/04/2004 | EP1442204A1 Method and system of improving engine braking by variable valve actuation |
| 08/04/2004 | EP1442200A1 Exhaust valve mechanism in internal combustion engines |
| 08/04/2004 | EP1272741B1 Method for adjusting an actuator |
| 08/04/2004 | CN1517516A Internal-combustion engine |
| 08/04/2004 | CN1517515A Internal-combustion engine |
| 08/03/2004 | US6769404 Combustion control system for spark-ignition internal combustion engine with variable piston strike characteristic mechanism and variable valve operating mechanism |
| 08/03/2004 | US6769393 Valve system for internal combustion engine |
| 08/03/2004 | US6769392 Variable valve timing in a homogenous charge compression ignition engine |
| 08/03/2004 | US6769387 Compact two-step rocker arm assembly |
| 08/03/2004 | CA2364581C Vehicle multi-cylinder engine |
| 07/29/2004 | WO2004063537A1 Switchable cam follower for a valve drive of an internal combustion engine |
| 07/29/2004 | WO2004063536A1 Switchable cam follower for a valve drive of an internal combustion engine |
| 07/29/2004 | US20040147364 Control device for hybrid vehicle |
| 07/29/2004 | US20040144361 Valve timing mechanism for a rotary valve internal combustion engine |
| 07/29/2004 | US20040144352 Compression release mechanism |
| 07/29/2004 | US20040144350 Connectable bucket tappet |
| 07/29/2004 | US20040144347 Valve operating device for variable stroke adjustment of a charge exchange valve of an internal combustion engine |
| 07/29/2004 | US20040144346 Variable valve gear |
| 07/29/2004 | DE19741962B4 Vorrichtung zum Zuführen von Schmieröl in einen Motor A device for supplying lubricating oil in an engine |
| 07/29/2004 | DE10361380A1 Steuereinrichtung und Steuerverfahren für Brennkraftmaschinen Control device and control method for internal combustion engines |
| 07/29/2004 | DE10359936A1 System zur Steuerung eines variablen Ventilbetätigungssystems System for controlling a variable valve actuation system |
| 07/29/2004 | DE10357986A1 Valve timing controller for internal combustion engine, controls air suction quantity corresponding to target valve lifting amount of cylinder, when drive start time is within closed valve period of air intake valves |
| 07/29/2004 | DE10303128A1 Variable valve drive for a gas shuttle valve in a reciprocating piston engine, especially a reciprocating internal combustion engine, comprises a drive device acting on a stroke transfer device having an adjustable control element |
| 07/29/2004 | DE10300724A1 Schaltbarer Nockenfolger eines Ventiltriebs einer Brennkraftmaschine Switchable cam follower of a valve train of an internal combustion engine |
| 07/28/2004 | CN2628732Y Universal gasoline engine starting decompressing apparatus |
| 07/28/2004 | CN1516779A Variable valve gear |
| 07/28/2004 | CN1516778A Electromagnetic brake cooling structure of phase variable device in car engine |
| 07/27/2004 | US6766778 Valve mechanism with a variable valve opening cross-section |
| 07/22/2004 | US20040139940 Internal combustion engine |
| 07/22/2004 | US20040139939 Internal combustion engine |
| 07/22/2004 | US20040139936 Variable valve timing system |
| 07/22/2004 | US20040139935 Valve driving apparatus and internal combustion engine including the same |
| 07/22/2004 | DE10300726A1 Schaltbarer Nockenfolger eines Ventiltriebs einer Brennkraftmaschine Switchable cam follower of a valve train of an internal combustion engine |
| 07/21/2004 | EP1439286A1 Internal combustion engine with decompression device |
| 07/21/2004 | CN1514907A Control device fo hybrid vehicle |
| 07/21/2004 | CN1514116A Valve system for IC engine |
| 07/21/2004 | CN1514115A Air valve device for IC engine |
| 07/21/2004 | CN1514114A Air valve driver for IC engine |
| 07/20/2004 | US6763793 Valve system for internal combustion engine |
| 07/20/2004 | US6763788 Variable timing mechanism for a rotary valve |
| 07/15/2004 | WO2004059133A1 Valve actuation device for variable valve control of gas-exchange valves of an internal combustion engine |
| 07/15/2004 | WO2004059131A2 Engine braking methods and apparatus |
| 07/15/2004 | US20040134467 Apparatus for controlling fuel injection of engine and method thereof |
| 07/15/2004 | US20040134455 Automatic mechanical decompressor for an internal combustion engine |
| 07/15/2004 | US20040134454 Valve driving apparatus and internal combustion engine including the same |
| 07/15/2004 | DE10361199A1 Ventilantriebsvorrichtung und diese aufweisende Brennkraftmaschine Valve drive device and this internal combustion engine having |
| 07/15/2004 | DE10361188A1 Ventilantriebsvorrichtung und diese aufweisende Brennkraftmaschine Valve drive device and this internal combustion engine having |
| 07/15/2004 | DE10355331A1 Vorrichtung zur variablen Ventilsteuerung eines Motors An apparatus for variable valve timing of an engine |
| 07/15/2004 | DE10320324A1 Valve actuating system for internal combustion engine has intermediate component supported and pivotably guided on variable position component to engage cam of camshaft and stroke-transmitting arrangement |
| 07/15/2004 | DE10261304A1 Ventilhubvorrichtung zur variablen Ventilsteuerung der Gaswechselventile einer Verbrennungskraftmaschine Valve lift variable valve control of gas exchange valves of an internal combustion engine |
| 07/15/2004 | DE10258249A1 Verfahren zum Verändern der Ventilsteuerzeiten einer Brennkraftmaschine A method for varying the valve control times of an internal combustion engine |
| 07/15/2004 | DE10248959B4 Ventiltrieb einer Brennkraftmaschine mit variablen Ventilhub Valve train of an internal combustion engine with variable valve |
| 07/15/2004 | DE10044604B4 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 |
| 07/14/2004 | EP1285158A4 Variable timing mechanism for a rotary valve |
| 07/14/2004 | CN1512049A IC engine and its controller |
| 07/14/2004 | CN1512041A Air valve driving system of internet combustion engine |
| 07/13/2004 | US6761147 Control apparatus and method for internal combustion engine |
| 07/13/2004 | US6761139 Valve timing control apparatus for an internal combustion engine |
| 07/08/2004 | WO2004057160A1 Intermediate lever for a variable valve drive of an internal combustion engine |
| 07/08/2004 | US20040129254 Internal combustion engine with multiple intake valves and variable valve actuation and timing |
| 07/08/2004 | US20040129250 Control apparatus and control method of internal combustion engine |
| 07/08/2004 | US20040129249 Cylinder-by-cylinder intake air quantity detecting apparatus for internal combustion engine |
| 07/08/2004 | US20040129245 Spark-ignition engine controller |
| 07/08/2004 | DE10358925A1 Valve system for driving combustion engine inlet, outlet valves that open, close has inlet, outlet tilt lever shafts with one of the tilt lever shafts that has to be stiffer having a larger diameter |
| 07/08/2004 | DE10358924A1 Ventilsystem für einen Verbrennungsmotor A valve system for an internal combustion engine |
| 07/08/2004 | DE10356477A1 Ventilsteuereinrichtung für Brennkraftmaschinen und zugehöriges Verfahren Valve control means for internal combustion engines and associated method |
| 07/08/2004 | DE10304139A1 Control of inlet and exhaust valves of a combustion engine, using a valve control unit to which a predetermined signal is transmitted in the event of failure of the engine position sensor and or signaler |
| 07/08/2004 | DE10261163A1 Variable valve gear for internal combustion engine has intermediate component supported on support element which is displaceable in housing by means of adjusting shaft |
| 07/08/2004 | DE10260016A1 Exhaust gas feedback arrangement for internal combustion engine has engine braking and exhaust gas feedback valve in form of single hydraulically or pneumatically operated valve |
| 07/07/2004 | CN2623882Y 汽油机减压机构 Gasoline decompression mechanism |
| 07/07/2004 | CN2623881Y Speed reducer for engine |
| 07/06/2004 | US6758175 Apparatus for purging and excluding air from a hydraulic manifold assembly for variable deactivation of engine valves |
| 07/01/2004 | WO2004055336A1 Method for varying valve timing of an internal combustion engine |
| 07/01/2004 | WO2003087544A3 Compact lost motion system for variable valve actuation |
| 07/01/2004 | US20040123825 Valve system for internal combustion engine |
| 07/01/2004 | DE10260557A1 Zwischenhebel für einen variablen Ventiltrieb einer Brennkraftmaschine Intermediate lever for a variable valve train of an internal combustion engine |
| 06/30/2004 | EP1345788B1 Method for operating an internal combustion engine |
| 06/30/2004 | CN2622396Y Aotomatic decompression starting device for single cylinder internal combustion engine |
| 06/30/2004 | CN1508416A Air-intake controlling device of IC engine |
| 06/30/2004 | CN1508415A Air-valve driving system and apparatus thereof for IC engine |
| 06/30/2004 | CN1508399A Air-valve device of IC engine |
| 06/30/2004 | CN1508398A Valve system for IC engine |
| 06/29/2004 | US6755168 Automatic decompression device for valve-controlled internal-combustion engines |
| 06/29/2004 | US6755167 Two-step roller finger cam follower having spool-shaped low-lift roller |
| 06/29/2004 | US6755165 Valve control apparatus and method for internal combustion engine |
| 06/29/2004 | CA2279485C Valve operating system for internal combustion engine |
| 06/24/2004 | WO2004053303A1 Valve lever of a valve train of an internal combustion engine |
| 06/24/2004 | US20040118370 Variable operating valve apparatus for an internal combustion engine |
| 06/24/2004 | US20040118369 Variable valve-stroke controls |
| 06/24/2004 | US20040118368 Engine having a variable valve actuation system |
| 06/24/2004 | US20040118367 Valve-driving system of internal combustion engine |
| 06/24/2004 | US20040118366 Valve actuation in combustion engines with artificial muscles |
| 06/24/2004 | US20040118118 Air and fuel supply system for combustion engine |
| 06/24/2004 | DE10356202A1 Vorrichtung und Verfahren zur variablen Ventilsteuerung für einen Verbrennungsmotor Apparatus and method for variable valve timing for an internal combustion engine |
| 06/24/2004 | DE10355481A1 Fuel injection IC engine has timed duration during which both inlet and outlet valves are closed for mixing of injected fuel with residual gases |
| 06/24/2004 | DE10311069B3 Stroke function setting device for IC engine valve with selective locking of intermediate lever with pivot lever or valve lever for altering valve stroke function |
| 06/24/2004 | DE10258277A1 Steuereinrichtung für Gaswechselventile eines Verbrennungsmotors Control means for gas exchange valves of an internal combustion engine |