| Patents for F01L 1 - Valve-gear or valve arrangements, e.g. lift-valve gear (30,520) |
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| 10/25/2001 | DE10020071A1 Ventildrehvorrichtung Valve rotator |
| 10/25/2001 | DE10019777A1 Method for dismantling valves from cylinder head of IC engine has all the valve springs compressed by an array of press tools and with magnetic removal of the collets |
| 10/25/2001 | DE10018063A1 Internal combustion engine for vehicle; has rocking levers driven by gas change valves and supported at cylinder head and sleeves for oil pipes arranged to form bearings for rocking levers |
| 10/25/2001 | DE10018060A1 Procedure for manufacture of cylinder head of internal combustion engine entails supplying individual valves depending on volume class determined for each combustion chamber |
| 10/24/2001 | EP1148269A1 Tensioner device |
| 10/24/2001 | EP1148213A1 An 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 |
| 10/24/2001 | EP1148212A1 Variable phase coupling |
| 10/24/2001 | EP1148211A2 Valve rotating device |
| 10/23/2001 | US6306042 Phase variator with movement limit devices |
| 10/23/2001 | US6305340 Slanted internal combustion engine |
| 10/23/2001 | US6305337 Overhead cam shaft type engine with a starter motor |
| 10/23/2001 | US6305242 Camshaft alignment |
| 10/18/2001 | WO2001077502A1 Valve gear of internal combustion engine |
| 10/18/2001 | US20010029915 Cam shaft driving structure of SOHC V-type engine |
| 10/18/2001 | US20010029914 Device for changing the control timing of the gas exchange valves of an internal combustion engine, in particular a hydraulic camshaft adjustment device of the rotary piston type |
| 10/18/2001 | DE10109189A1 Einbaustruktur für ein Ölsteuerventil An installation structure for an oil control valve |
| 10/18/2001 | DE10039913C1 Device to adjust relative rotation angle between camshaft and drive wheel of internal combustion engine; has inner part fixed to cam shaft and driven cellular wheel that can be locked together |
| 10/18/2001 | DE10018561A1 Cylinder head for valve-controlled piston engine has gas exchange apertures in combustion chamber to create alterations in it |
| 10/18/2001 | DE10016878A1 Schliessfeder-Vorrichtung für den Ventiltrieb eines Gaswechselventils einer Brennkraftmaschine Recoil device for the valve train a gas exchange valve of an internal combustion engine |
| 10/18/2001 | CA2343849A1 Heavy-duty valve stem seal assembly |
| 10/17/2001 | EP1144845A1 Device for transmitting an actuator displacement to a modulator and an injection valve having such a device |
| 10/17/2001 | EP1144814A1 A low cost new internal combustion engine with increased mechanical efficiency, fuel saver and pollution controlled |
| 10/17/2001 | EP1144813A1 Drive unit for a valve of an internal combustion engine |
| 10/17/2001 | EP1144811A1 Device for actuating a charge cycle valve |
| 10/17/2001 | EP1144810A1 Multiple cylinder internal combustion engine |
| 10/17/2001 | CN2454543Y Air-valve gap-regulating sequential disc |
| 10/17/2001 | CN2454179Y Motor-vehicle tail-gas recirculation valve |
| 10/16/2001 | US6304161 Electromagnetic actuator, particularly for driving an engine valve |
| 10/16/2001 | US6302751 Engine arrangement for small planing watercraft |
| 10/16/2001 | US6302076 Internal combustion engine with intake manifold plenum and method of use |
| 10/16/2001 | US6302075 Roller finger follower shaft retention apparatus |
| 10/16/2001 | US6302073 Device for adjusting the phase angle of a camshaft of an internal combustion engine |
| 10/16/2001 | US6302072 Vane type hydraulic actuator |
| 10/16/2001 | US6302071 Oil passage system of valve moving apparatus for internal combustion engine |
| 10/16/2001 | US6302070 Valve system for engine |
| 10/16/2001 | US6302069 Cam activated electrically controlled engine valve |
| 10/16/2001 | US6302068 Fast acting engine valve control with soft landing |
| 10/16/2001 | US6302002 Method and apparatus for servicing an internal combustion engine |
| 10/11/2001 | WO2001075279A1 Variable valve control comprising a sliding-block part and a free travel |
| 10/11/2001 | WO2001075278A1 Passive valve assembly |
| 10/11/2001 | US20010027783 Auto-ignition of gasoline engine by varying exhaust gas retaining duration |
| 10/11/2001 | US20010027773 Method and apparatus for hydraulic clip and reset of engine brake systems utilizing lost motion |
| 10/11/2001 | US20010027766 Tappet for a valve mechanism of an internal combustion engine |
| 10/11/2001 | US20010027765 Deactivation and two-step roller finger follower having a bracket and lost motion spring |
| 10/11/2001 | US20010027764 Valve operating system in internal combustion engine |
| 10/11/2001 | US20010027763 Multi-position variable camshaft timing system actuated by engine oil pressure |
| 10/11/2001 | US20010027761 Device for changing the timing of intake and exhaust valves in an internal combustion engine |
| 10/11/2001 | US20010027758 Exhaust valve device for two-cycle engine |
| 10/11/2001 | DE10017560A1 Detecting internal pressure in cylinders of internal combustion engine involves detecting pressure-related deformation of valve body for cylinder(s) with closed valves during operation |
| 10/11/2001 | DE10013058A1 Method for changing force of spring of electromagnetic actuator of internal combustion engine involves when motor is stationary bringing valve whose spring force is to be corrected into closed position and other valves into open position |
| 10/10/2001 | EP1143121A2 Engine braking system with displaceable rocker arm pivot centre |
| 10/10/2001 | EP1143120A2 Valve deactivator assembly for internal combustion engine |
| 10/10/2001 | EP1143119A2 Variable valve drive mechanism and intake air amount control apparatus of internal combustion engine |
| 10/10/2001 | EP1143117A2 valve characteristic control apparatus of internal combustion engine and methods of controlling valve characteristics |
| 10/10/2001 | EP1143116A1 Internal combustion engine |
| 10/10/2001 | EP1143115A2 Return spring arrangement for valve operation of an internal combustion engine |
| 10/10/2001 | EP1143113A2 Valve timing control apparatus and method to control an internal combustion engine |
| 10/10/2001 | EP1141524A1 Roller tappet |
| 10/09/2001 | US6301543 Control system for internal combustion engine |
| 10/09/2001 | US6298813 Variable valve apparatus of internal combustion engine |
| 10/09/2001 | CA2043023C Rocker arm |
| 10/04/2001 | WO2001073270A1 Valve rotating device |
| 10/04/2001 | WO2001073269A1 Cams for camshafts in particular for internal combustion engines |
| 10/04/2001 | US20010025613 Hydraulic actuator for variable valve mechanism |
| 10/04/2001 | US20010025612 Variable valve timing mechanism for engine |
| 10/04/2001 | EP1138896A2 Auto-ignition of gasoline engine by varying exhaust gas retaining duration |
| 10/04/2001 | EP1138883A2 Combustion engine valve control for an electromagnetic actuator with gas springs |
| 10/04/2001 | DE10113079A1 Vorrichtung und Verfahren zur Deaktivierung von Zylindern einer Brennkraftmaschine Apparatus and method for deactivating cylinders of an internal combustion engine |
| 10/04/2001 | DE10016103A1 Variable Ventilsteuerung Variable valve timing |
| 10/03/2001 | CN2451737Y Decompressor of engine |
| 10/03/2001 | CN1316034A Control device for camshaft systems |
| 10/02/2001 | US6296071 Motorcycle rocker assembly |
| 10/02/2001 | US6295964 End-feed variable cam timing oil supply and control module |
| 10/02/2001 | US6295959 External drive double shaft overhead cam engine |
| 10/02/2001 | US6295893 Hollow cam shaft |
| 09/27/2001 | WO2001071167A1 Valve control mechanism |
| 09/27/2001 | US20010023682 Method of presetting an internal combustion engine |
| 09/27/2001 | US20010023680 Four-stroke internal combustion engine with at least two inlet valves |
| 09/27/2001 | US20010023675 Method and apparatus for two-step cam profile switching |
| 09/27/2001 | US20010023674 Variable valve drive mechanism and intake air amount control apparatus of internal combustion engine |
| 09/27/2001 | US20010023672 Rocker arm device for simultaneous control of valve lift and relative timing in a combustion engine |
| 09/27/2001 | US20010023671 Variable lost motion valve actuator and method |
| 09/27/2001 | US20010023667 Control system for controlling variable valve type internal combustion engine |
| 09/27/2001 | DE10014874A1 Screw-form locking device for camshaft has head with elastically deformable shoulder element |
| 09/27/2001 | DE10013877A1 Valve timing altering device for internal combustion engine has pressure adapter with expanded connecting flange on end facing away from camshaft |
| 09/27/2001 | DE10010945A1 Feed pump, for fuel injection and hydraulic valve control systems, has primary and secondary pump elements with associated low and high pressure zones |
| 09/26/2001 | EP1136685A2 Apparatus for and method of controlling an internal combustion engine |
| 09/26/2001 | EP1136678A2 Control system for controlling variable valve type internal combustion engine |
| 09/26/2001 | EP1136665A2 Handheld type four-cycle engine |
| 09/26/2001 | EP1136664A2 Valves with variable lifts and timings |
| 09/26/2001 | EP1136662A2 Position measuring device of electromagnetically operated engine valve drive system and method for attaching the same |
| 09/26/2001 | EP1136660A1 Electromagnetic actuator for the actuation of the valves of an internal combustion engine with recovery of mechanical play |
| 09/26/2001 | EP1136658A2 Camshaft phasing device |
| 09/26/2001 | EP1136657A2 Camshaft phasing device |
| 09/26/2001 | EP1136656A2 Vane-type hydraulic variable camshaft timing system with lockout feature |
| 09/26/2001 | CN1314542A Hand held four stroke engine |
| 09/25/2001 | US6294029 Method of treating and smoothing sliding surface |
| 09/25/2001 | US6293303 Valve position detector |
| 09/25/2001 | US6293248 Two-cycle compression braking on a four stroke engine using hydraulic lash adjustment |
| 09/25/2001 | US6293246 Spark-assist type self-ignition engine |