| Patents for F01L 1 - Valve-gear or valve arrangements, e.g. lift-valve gear (30,520) |
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| 12/21/2004 | US6832585 Valve timing controller of internal combustion engine |
| 12/21/2004 | US6832584 Valve system for internal combustion engine |
| 12/21/2004 | CA2329650C Valve operating system in internal combustion engine |
| 12/16/2004 | WO2004109068A1 Camshaft, especially for an internal combustion engine of a motor vehicle, comprising shiftable cams |
| 12/16/2004 | WO2004109067A1 Valve stem seal for internal combustion engines |
| 12/16/2004 | WO2004109066A1 Valve-moving device for engine |
| 12/16/2004 | WO2004109065A1 Rocker arm and method of producing the arm |
| 12/16/2004 | US20040250802 System and method for internal exhaust gas recirculation |
| 12/16/2004 | US20040250791 Internal combustion engine with spark ignition and direct fuel injection comprising a very high-pressure direct injection system |
| 12/16/2004 | US20040250783 System and method for actuating an engine valve |
| 12/16/2004 | US20040250648 Method of using compression springs to create a desired torsional load |
| 12/16/2004 | DE10323990A1 Cam follower for IC engine with overhead cam has a hard wearing cap made from sintered powdered metal applied to the top of a support cylinder and fitted over the end of the valve stem |
| 12/16/2004 | DE10247204B4 Verstellvorrichtung Adjustment |
| 12/15/2004 | EP1486646A1 Valve characteristic control apparatus of internal combustion engine and methods of controlling valve characteristics |
| 12/15/2004 | EP1486645A1 Cam phaser with vanes on rotor and a locking pin |
| 12/15/2004 | EP1486644A1 Vane type phaser with locking pin |
| 12/15/2004 | EP1485584A1 Cylinder piston drive |
| 12/15/2004 | EP1485583A1 Internal combustion engine comprising rotary valves |
| 12/15/2004 | EP1485581A1 Camshaft adjuster for an internal combustion engine |
| 12/15/2004 | EP1485580A1 Drive for valve operating control systems in motor vehicles, preferably camshaft adjusters |
| 12/15/2004 | EP1485579A1 Camshaft adjuster |
| 12/15/2004 | CN2663659Y Automatic tensioner of motorcycle engine |
| 12/15/2004 | CN2663658Y Rocking arm for inlet valve of automobile engine |
| 12/15/2004 | CN2663657Y Beset piece for exhaust valve rocking arm of automobile engine |
| 12/15/2004 | CN1555458A Motor control device for vehicle having deceleration deactivatable engine |
| 12/14/2004 | US6830233 Control apparatus of electromagnetic drive valve and control method of the same |
| 12/14/2004 | US6830022 Valve actuation linkage mechanism |
| 12/14/2004 | US6830019 Valve actuation in combustion engines with artificial muscles |
| 12/14/2004 | US6830018 Engine valve train |
| 12/09/2004 | WO2004106716A1 An internal combustion engine and an engine housing |
| 12/09/2004 | WO2004106715A1 Four-stroke combustion piston engine with a two-part cylinder chamber |
| 12/09/2004 | WO2004106701A1 Semi-rotating valve assembly for use with an internal combustion engine |
| 12/09/2004 | US20040247216 Rolling bearing, cam-follower with roller, and cam |
| 12/09/2004 | US20040244852 Bushing for a Hydraulic Valve |
| 12/09/2004 | US20040244766 Control device and control method for direct injection engine |
| 12/09/2004 | US20040244751 Deactivating valve lifter |
| 12/09/2004 | US20040244750 Hydraulic bucket tappet |
| 12/09/2004 | US20040244749 Cam follower provided with rocker arm made of sheet metal |
| 12/09/2004 | US20040244748 Control device and control program product for engine |
| 12/09/2004 | US20040244747 Vane, valve timing control device, and sliding material |
| 12/09/2004 | US20040244746 Valve timing adjusting device |
| 12/09/2004 | US20040244745 Camshaft Adjuster for Vehicles, Especially Motor Vehicles |
| 12/09/2004 | US20040244744 Multiple displacement system for an engine |
| 12/09/2004 | US20040244742 Control system and method for engine valve actuator |
| 12/09/2004 | US20040244528 Camshaft and method for making same |
| 12/09/2004 | DE202004012292U1 Electromagnetic servo drive, especially for operating combustion engine gas exchange valve, has electromagnetic device with two magnetic circuits, each with electromagnet(s) forming pole surfaces |
| 12/09/2004 | DE19600535B4 Toleranzausgleichseinrichtung für eine Vorrichtung zur variablen Steuerung eines Ventils einer Brennkraftmaschine Tolerance compensation arrangement for a device for the variable control of a valve of an internal combustion engine |
| 12/09/2004 | DE10323705A1 Device for regulated adjustment of rotation state between crankshaft and camshaft of reciprocating internal combustion engine, comprises two planet wheels combined to one-storied wheel with a common toothing |
| 12/09/2004 | DE10323665A1 Variable valve lift device for internal combustion engine, has rotatable eccentric shaft having eccentrics contours positioned within circle formed by external diameter of bearings of eccentric shaft |
| 12/09/2004 | DE10323173A1 Schaltbarer hydraulischer Tassenstößel Switchable hydraulic tappets |
| 12/09/2004 | DE10323172A1 Treiberstufe für ein Solenoidventil Driver stage for a solenoid valve |
| 12/09/2004 | DE10306907B4 Ventiltrieb mit variabel einstellbarem Hub für Ventile von Verbrennungsmotoren Valve drive with variable adjustable stroke for valves of internal combustion engines |
| 12/09/2004 | DE10226688B4 Zylinderkopf einer Hubkolbenbrennkraftmaschine Cylinder head of an internal combustion piston engine |
| 12/09/2004 | DE102004019733A1 Drehwinkel-Verstelleinheit Rotation angle adjustment |
| 12/08/2004 | EP1484517A2 Rolling bearing, cam follower with roller, and cam |
| 12/08/2004 | EP1484498A1 In-cylinder fuel injection-type internal combustion engine |
| 12/08/2004 | EP1484494A2 Device and method for controlling multiple fuel injection and variable valve timing in a direct injection engine |
| 12/08/2004 | EP1484491A2 Control device for spark-ignition engine |
| 12/08/2004 | EP1484479A2 Variable-lift timing system for an internal combustion engine |
| 12/08/2004 | CN2661928Y Cast iron rocker arm bearer |
| 12/08/2004 | CN2661927Y Integrative valve push rod |
| 12/08/2004 | CN2661926Y Rotating type valve mechanism with screw lubrication oil duct of four-stroke internal combustion engine |
| 12/08/2004 | CN1553991A Trouble detector of vehicle having deceleration idling-cylinder engine |
| 12/07/2004 | US6827328 Oil control valve |
| 12/07/2004 | US6827067 System and method for internal exhaust gas recirculation |
| 12/07/2004 | US6827053 Camshaft control device and control valve with leakage compensation |
| 12/07/2004 | US6827052 Variable valve timing device |
| 12/02/2004 | WO2004104396A1 Driver stage for a solenoid valve |
| 12/02/2004 | WO2004103606A1 Switchable hydraulic cam follower |
| 12/02/2004 | US20040241448 iron-based material and a diamond-like carbon (DLC) material exhibiting a highly excellent low friction characteristics in presence of a specified lubricating oil; ashless fatty acid ester friction modifier and ashless aliphatic amine friction modifier; polybutenyl succinimide and a zinc dithiophosphate |
| 12/02/2004 | US20040237932 Exhaust valve mechanism internal combustion engines |
| 12/02/2004 | US20040237926 Semi-rotating valve assembly for use with an internal combustion engine |
| 12/02/2004 | US20040237921 Unit trigger actuator |
| 12/02/2004 | US20040237920 Valve actuation apparatus for internal combustion engine |
| 12/02/2004 | US20040237919 Finger lever of a valve train of an internal combustion engine |
| 12/02/2004 | US20040237918 Valve control apparatus |
| 12/02/2004 | US20040237917 Valve timing control system and control system for an internal combustion engine |
| 12/02/2004 | US20040237706 Welded camshaft and method for production thereof and the required cams |
| 12/02/2004 | DE10344046A1 Startsteuergerät eines Verbrennungsmotors Start control apparatus of an internal combustion engine |
| 12/02/2004 | DE10322394A1 Nockenwellenversteller für Verbrennungskraftmaschinen von Kraftfahrzeugen Camshaft adjuster for internal combustion engines of motor vehicles |
| 12/02/2004 | DE10321881A1 Verfahren zum Umschalten des Hubs von Einlassventilen einer Brennkraftmaschine A method for switching of the stroke of the inlet valves of an internal combustion engine |
| 12/02/2004 | DE10321848A1 Gas flow generating device, for investigation sound propagation influencing measures e.g. in vehicle combustion engine, comprises a flow channel with uniform flow and channel blocking arrangement that can be cyclically operated |
| 12/02/2004 | DE10321276A1 Closing spring for gas change valve in internal combustion engines has one or more gas-filled chambers which are elastic and gas tight and arranged superposed around valve shaft |
| 12/01/2004 | EP1482190A2 Rolling element |
| 12/01/2004 | EP1482148A1 Vertical engine |
| 12/01/2004 | EP1481467A1 Electroactive polymer devices for controlling fluid flow |
| 12/01/2004 | CN2660131Y Cold extruded shell workpiece of hydraulic valve tappet |
| 12/01/2004 | CN1177994C Timing gear of automobile engine |
| 12/01/2004 | CN1177993C Valve driving mechanism for four-stroke engine |
| 11/30/2004 | US6823826 Variable valve mechanism |
| 11/30/2004 | US6823825 Oil supply structure for an engine cylinder head |
| 11/30/2004 | US6823661 Diesel engine exhaust purifying device |
| 11/30/2004 | CA2360457C Engine head cover structure |
| 11/25/2004 | WO2004102008A2 System and method for improving performance of hydraulic actuating system |
| 11/25/2004 | WO2004101959A1 Method for changing the lift of an inlet valve of an internal combustion engine |
| 11/25/2004 | WO2004088115A3 Reciprocating engine with burnt gas recirculation, which is designed to drive a motor vehicle, and method of turbocharging said engine |
| 11/25/2004 | US20040234402 Motor drive apparatus |
| 11/25/2004 | US20040231639 Modal variable valve actuation system for internal combustion engine and method for operating the same |
| 11/25/2004 | US20040231626 Dual camshaft retaining plate |
| 11/25/2004 | US20040231625 Variable valve mechanism |