| Patents for F01L 1 - Valve-gear or valve arrangements, e.g. lift-valve gear (30,520) |
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| 02/12/2004 | US20040025815 Internal combustion engine cylinder head |
| 02/12/2004 | US20040025811 Engine control system |
| 02/12/2004 | US20040025810 Air cleaner assembly for internal combustion engines |
| 02/12/2004 | DE20306115U1 Valve system for IC engine has a single rotating shaft with valve recesses set through the top of the cylinder |
| 02/12/2004 | DE20220705U1 Cylinder head, for an IC motor, uses the cogwheel gearing between the camshafts as a fluid pump, to reduce the motor weight |
| 02/12/2004 | DE10234867A1 Schwenkmotor für eine Nockenwellenverstelleinrichtung Swing motor for a camshaft adjustment device |
| 02/11/2004 | EP1388662A1 Sohc type engine |
| 02/11/2004 | EP1388644A1 Valve deactivation with an electro-hydraulic actuator |
| 02/11/2004 | EP1387928A1 Gas driving device for variable adjustment of the lift of a gas exchange valve of an internal combustion engine |
| 02/11/2004 | CN2603208Y Valve lifter assembly |
| 02/11/2004 | CN2603207Y Valve adjusting screw assembly for engine of motor cycle |
| 02/11/2004 | CN2603206Y Two-valve rocker arm for engine of motor cycle |
| 02/11/2004 | CN1138060C Four stroke IC engine |
| 02/10/2004 | US6691024 Control of internal combustion engine based on phase position of camshaft relative to crankshaft |
| 02/10/2004 | US6691021 Failure determination system, failure determination method and engine control unit for variable-cylinder internal combustion engine |
| 02/10/2004 | US6688287 Control apparatus of internal combustion engine and control method thereof |
| 02/10/2004 | US6688275 Hydraulic pressure control system for cylinder cutoff device of internal combustion engine |
| 02/10/2004 | US6688269 Roller tappet |
| 02/10/2004 | US6688268 Connection between a shaft end of a gas exchange valve of an internal combustion engine and a final control element of a valve actuator |
| 02/10/2004 | US6688267 Engine valve actuator assembly |
| 02/10/2004 | US6688266 Pressurized sealing groove for deactivating roller-follower |
| 02/10/2004 | US6688265 Camshaft adjustment device for an internal combustion engine |
| 02/08/2004 | CA2436282A1 Valve deactivation with an electro-hydraulic actuator |
| 02/05/2004 | WO2004011782A1 Valve-actuating device for internal combustion engine |
| 02/05/2004 | WO2004011781A1 An electrically operated valve for controlling flow of hydraulic fluid |
| 02/05/2004 | WO2004011780A1 Hydraulic valve actuator for reciprocating engine |
| 02/05/2004 | WO2004011778A1 Valve timing changer |
| 02/05/2004 | US20040020456 Four-cycle engine |
| 02/05/2004 | US20040020455 Adjusting element for a rotary piston |
| 02/05/2004 | US20040020454 Frameless variable valve actuation mechanism |
| 02/05/2004 | US20040020452 Method and apparatus for controlling CVVT of an engine |
| 02/05/2004 | DE20316281U1 Jig for timing adjustment for an OHC for an IC engine has a support plate fitted to the engine and with a curved guide for an alignment setting spanner set onto a grip profile of the camshaft |
| 02/05/2004 | DE19945525B4 Ventilsteuerung für Hubkolben-Brennkraftmaschinen Valve control for reciprocating-piston internal combustion engines |
| 02/05/2004 | DE19621635B4 Diesel-Brennkraftmaschine Diesel internal combustion engine |
| 02/05/2004 | DE10302337A1 Ventilzeitabstimmungssteueranordnung für Verbrennungsmotor Valve timing control system for internal combustion engine |
| 02/05/2004 | DE10257253A1 Giant magnetoresistive sensor for motor vehicle cam and crank shafts has eight magnetoresistive elements in two Wheatstone bridges |
| 02/05/2004 | DE10233044A1 Swing angle changing device for relative swing angle change of a camshaft towards a drive wheel in an internal combustion engine has an inner body linked to the shaft with a fixed rotation |
| 02/05/2004 | DE10232742A1 Driver stage for solenoid valve of automobile IC engine has solenoid valve inductance coupled to each supply terminal on either side via controlled switching device and diode |
| 02/05/2004 | DE10230899A1 Verfahren zum Diagnostizieren einer fehlerhaften Ventilhubstellung einer Brennkraftmaschine A method for diagnosing a faulty valve lift of an internal combustion engine |
| 02/05/2004 | DE10084408B4 Vorrichtung zum Verändern der Steuerzeiten von Gaswechselventilen einer Brennkraftmaschine Means for varying the control times of gas exchange valves of an internal combustion engine |
| 02/05/2004 | DE10000750B4 Mehrzylindermotor für ein Motorrad Multi-cylinder engine for a motorcycle |
| 02/04/2004 | EP1387102A1 Press-on shaft-hub connection |
| 02/04/2004 | EP1387080A1 Air fuel injection engine |
| 02/04/2004 | EP1387047A2 Vane type motor for camshaft phasing device |
| 02/04/2004 | EP1386096A1 Zero belt camshaft |
| 02/04/2004 | EP1386061A1 Device for controlling valve kinematics |
| 02/04/2004 | CN1473237A Cam chain detachment preventive structure |
| 02/04/2004 | CN1472435A Air and fuel jet engine |
| 02/04/2004 | CN1137327C Four-stroke engine for vehicle |
| 02/03/2004 | US6684838 Tappet |
| 02/03/2004 | US6684837 Control apparatus of variable valve timing mechanism and method thereof |
| 02/03/2004 | US6684836 Internal combustion engine |
| 02/03/2004 | US6684835 Valve timing control device |
| 02/03/2004 | US6684834 Device to change the timing of gas exchange valves in an internal combustion engine, in particular a rotating piston positioning device to adjust the angle that a camshaft is rotated relative to a crankshaft |
| 02/03/2004 | US6684830 Variable valve timing engine |
| 01/29/2004 | WO2004009977A1 Intercooling and heat-regenerating two-stroke engine |
| 01/29/2004 | WO2004009967A1 A mechanism for varynig the valve stroke of an internal combustion piston engine |
| 01/29/2004 | WO2004009966A1 Cam follower arm for an internal combustion engine |
| 01/29/2004 | US20040017897 Relay for personal interpreter |
| 01/29/2004 | US20040016414 Engine |
| 01/29/2004 | US20040016413 Valve system for internal combustion engine |
| 01/29/2004 | US20040016292 Failure diagnosis apparatus and method for diagnosing position control system |
| 01/29/2004 | US20040016121 Method for producing a cam for a camshaft |
| 01/29/2004 | DE4322246B4 Nockenwellenanordnung mit zumindest einem von einer Welle begrenzt schwenkbar getragenen Nocken Camshaft arrangement with at least a limited pivotally supported by a shaft cam |
| 01/29/2004 | DE19630053B4 Verfahren und Vorrichtung zur kontinuierlichen und variablen Regelung einer Ventileinstellung eines Verbrennungsmotors Method and apparatus for continuously and variably controlling a valve timing of an internal combustion engine |
| 01/29/2004 | DE10332107A1 Vorrichtung und Verfahren zum Schätzen der Restgasmenge eines Verbrennungsmotors, und Vorrichtung und Verfahren zum Steuern der Ansaugluftmenge eines Verbrennungsmotors unter Benutzung der geschätzten Restgasmenge Apparatus and method for estimating the amount of residual gas of an internal combustion engine, and apparatus and method for controlling the intake air of an internal combustion engine using the estimated residual quantity of gas |
| 01/29/2004 | DE10327542A1 Ölzuführstruktur für einen Motorzylinderkopf Ölzuführstruktur for an engine cylinder head |
| 01/29/2004 | DE10312475A1 Nockenwelle Camshaft |
| 01/29/2004 | DE10258154A1 Vorrichtung zur Identifizierung von Zylindern für eine VVT-gesteuerte Verbrennungskraftmaschine Apparatus for identification of cylinders for an internal combustion engine-driven VVT |
| 01/29/2004 | DE10257706A1 Nockenwellenversteller mit elektrischem Antrieb Camshaft adjuster with electric drive |
| 01/29/2004 | DE10232880A1 Nehmereinheit eines strömungsmittelbetätigten variablen Ventiltriebs einer Brennkraftmaschine Slave unit of a fluid-actuated variable valve drive of an internal combustion engine |
| 01/29/2004 | DE10232353A1 Verfahren zur Bestimmung eines Wertes der Istposition einer verstellbaren Nockenwelle A method for determining a value of the actual position of an adjustable camshaft |
| 01/29/2004 | DE10231917A1 Vorrichtung mit wenigstens einer Funktionseinheit einer Nockenwellenverstellvorrichtung Device having at least one functional unit of a camshaft adjustment device |
| 01/29/2004 | DE10231110A1 Einrichtung zum Betrieb eines hydraulisch arbeitenden Ventilspiel-Ausgleichselementes eines Verbrennungsmotors Means for operation of a hydraulically operated valve clearance compensating element of an internal combustion engine |
| 01/29/2004 | DE10229181A1 Variabler Ventiltrieb zur Steuerung eines Gaswechselventils einer Brennkraftmaschine Variable valve train for controlling a gas exchange valve of an internal combustion engine |
| 01/29/2004 | DE10229029A1 Verfahren zum Betreiben einer Brennkraftmaschine, Steuergerät zum Durchführen des Verfahrens und Brennkraftmaschine Method for operating an internal combustion engine control device for carrying out the method and internal combustion engine |
| 01/29/2004 | CA2492891A1 Cam follower arm for an internal combustion engine |
| 01/28/2004 | EP1384864A2 Variable valve operating system of engine enabling variation of working angle and phase |
| 01/28/2004 | EP1384860A2 A vane type hydraulic actuator |
| 01/28/2004 | EP1384859A2 Engine |
| 01/27/2004 | US6681806 Solenoid valve |
| 01/27/2004 | US6681741 Control apparatus for internal combustion engine |
| 01/27/2004 | US6681735 Sliding member and method of manufacturing thereof |
| 01/27/2004 | US6681734 Hydraulic cylinder deactivation with rotary sleeves |
| 01/27/2004 | US6681733 Valve opening/closing timing control apparatus and method |
| 01/27/2004 | US6681732 Control device for switching intake and exhaust valves of internal combustion engines |
| 01/27/2004 | US6681731 Variable valve mechanism for an engine |
| 01/22/2004 | WO2004007919A1 Control structure for the adjusting motor of an electric camshaft adjuster |
| 01/22/2004 | WO2004007918A1 Device comprising at least one functional unit of a camshaft adjusting device |
| 01/22/2004 | WO2004007917A1 Electrically driven camshaft adjuster |
| 01/22/2004 | WO2004007916A2 Method and apparatus for cleaning an oil control valve for an internal combustion engine |
| 01/22/2004 | US20040015287 Apparatus and method for estimating residual gas amount of internal combustion engine, and apparatus and method for controlling intake air amount of internal combustion engine using estimated residual gas amount |
| 01/22/2004 | US20040011313 Variable valve operating system of engine enabling variation of working angle and phase |
| 01/22/2004 | US20040011312 Cam follower arm for an internal combustion engine |
| 01/22/2004 | US20040011311 Valve timing control apparatus for internal combustion engine |
| 01/22/2004 | US20040011310 Engine valve train |
| 01/22/2004 | US20040011309 Internal combustion engine and method for the operation thereof |
| 01/22/2004 | US20040011307 Variable stroke engine |
| 01/22/2004 | US20040011203 Filtration media of porous inorganic particles |
| 01/22/2004 | DE20317384U1 Motor vehicle internal combustion engine valve drive has actuator tappet assembly for each valve mounted in carrier bearing |