| Patents for F01L 9 - Valve-gear or valve arrangements actuated non-mechanically (7,196) |
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| 02/05/2004 | DE19960796B4 Elektromagnetisch betätigbare Ventilsteuervorrichtung und Verfahren zum Steuern eines elektromagnetisch betätigbaren Ventils Electromagnetically operable valve control apparatus and method for controlling an electromagnetically operable valve |
| 02/05/2004 | DE10234098A1 DC-DC converter regulation for the current supply to solenoid valves of a motor vehicle combustion engine, adjusting DC-DC converter so that it is able to handle heavy loading due to operation of multiple valves |
| 02/05/2004 | DE10233043A1 Gas shuttle valve actuator for internal combustion engines has closer/opener magnets, a cutout blade held in a neutral position with a valve spring and an actuator spring |
| 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 | DE10232741A1 Treiberstufe für ein Solenoidventil Driver stage for a solenoid valve |
| 02/05/2004 | DE10232357A1 Electronic regulator for a motor vehicle has controllable adjusting devices, a servo component, an adjusting unit and an integrated circuit |
| 02/03/2004 | US6684829 Device to actuate a gas shuttle valve in an internal combustion engine |
| 01/29/2004 | WO2004009985A1 Driver stage for a solenoid valve |
| 01/29/2004 | WO2004009983A1 Method for improving the torque band in a multicylinder four-cycle piston engine |
| 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 | 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 |
| 01/28/2004 | EP1384863A2 Internal combustion engine with a processor and electromagnetic valve actuators |
| 01/28/2004 | EP1384862A1 Method and apparatus for controlling an internal combustion engine |
| 01/28/2004 | EP1384861A1 Internal combustion engine with a processor and electromechanical actuators for controlling the valves |
| 01/27/2004 | US6683775 Control method for an electromagnetic actuator for the control of an engine valve |
| 01/27/2004 | US6681743 Pressure control valve with flow recovery |
| 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 |
| 01/27/2004 | US6681730 Hydraulic damper for an electromechanical valve |
| 01/27/2004 | US6681729 Method and device for controlling a gas fill of cylinders of an internal combustion engine |
| 01/27/2004 | US6681728 Method for controlling an electromechanical actuator for a fuel air charge valve |
| 01/22/2004 | WO2004007931A2 Hydraulic valve actuation methods and apparatus |
| 01/22/2004 | US20040011979 Displacement sensor and solenoid valve driver |
| 01/22/2004 | US20040011310 Engine valve train |
| 01/22/2004 | US20040011309 Internal combustion engine and method for the operation thereof |
| 01/22/2004 | DE10231374A1 Aktuator Actuator |
| 01/22/2004 | DE10231373A1 Verfahren zur Ventilsteuerung und entsprechende Ventilsteuereinheit Process for the valve control and corresponding valve control unit |
| 01/22/2004 | DE10231214A1 Ventilhubsteuerung für Verbrennungsmotoren und Kompressoren Valve lift control for combustion engines and compressors |
| 01/22/2004 | DE10228257A1 Elektromagnetischer Stellantrieb für ein Gaswechselventil mit Justiereinrichtung Electromagnetic actuator for a gas exchange valve adjusting |
| 01/21/2004 | EP1381759A1 Internal combustion engine comprising a hydraulic system |
| 01/20/2004 | US6679204 Valve driving apparatus of internal combustion engine |
| 01/15/2004 | WO2004005679A1 Device for the control of gas exchange valves |
| 01/15/2004 | WO2004005677A1 Apparatus for an internal combustion engine |
| 01/15/2004 | US20040008853 Electroactive polymer devices for moving fluid |
| 01/15/2004 | US20040008100 Stop valve drive device operated by electromagnetic actuator |
| 01/15/2004 | DE10230478A1 Vorrichtung zur Steuerung von Gaswechselventilen Device for controlling gas exchange valves |
| 01/14/2004 | EP1379763A1 A four stroke auto-ignition engine |
| 01/14/2004 | EP1190161B1 Electrically actuatable engine valve providing position output |
| 01/13/2004 | US6678142 Method of controlling an actuator |
| 01/13/2004 | US6675751 Two-mass bi-directional hydraulic damper |
| 01/08/2004 | WO2003098073A3 Rotary driven reciprocating mechanism and method |
| 01/08/2004 | US20040003787 Hydraulic valve system for controlling flow of gas into or out of a variable volume chamber of an internal combustion engine or compressor |
| 01/08/2004 | US20040003786 Piezoelectric valve actuation |
| 01/08/2004 | DE10227981A1 Vorrichtung zur Lagerung eines Steuerelements Device for storage of a control |
| 01/08/2004 | DE10227063A1 Verfahren zum Betreiben einer Brennkraftmaschine, Verfahren zur Überprüfung eines Verfahrens zum Betreiben einer Brennkraftmaschine, Brennkraftmaschine und Steuergerät A method of operating an internal combustion engine, method of verifying a method of operating an internal combustion engine, the internal combustion engine and control unit |
| 01/07/2004 | EP1378638A1 Hydraulic variable valve operating apparatus and -method for uniforming the amount of intake air of different cylinders |
| 01/07/2004 | EP1378637A2 An internal-combustion engine with two inlet valves for each cylinder and an electronically controlled system for actuating the two inlet valves in differentiated and alternating ways |
| 01/07/2004 | EP1378636A2 An internal-combustion engine with an electronically controlled hydraulic system for actuation of the valves and means for compensating changes in the operating conditions of the hydraulic fluid |
| 01/07/2004 | EP1377732A1 Connection between a stem end of a gas exchange valve in an internal combustion engine and a sleeve-shaped control piston on a tappet |
| 01/06/2004 | US6674629 Controller for controlling an electromagnetic actuator |
| 01/06/2004 | US6672268 Method and apparatus for controlling electromagnetic driving valve for internal combustion engine |
| 01/02/2004 | EP1375883A2 Method for operating an internal combustion engine, method for checking such a method for operating an internal combustion engine, internal combustion engine and control unit |
| 01/02/2004 | EP1375846A1 Piezoelectric valve actuation |
| 01/02/2004 | EP1375845A1 Cam shaft less valve actuator with position signal device for valve stem |
| 01/02/2004 | EP1375844A1 Valve gear drive device of internal combustion engine |
| 01/02/2004 | EP1375843A1 Internal combustion engine |
| 01/01/2004 | US20040002809 Internal combustion engine with means for uniforming the amount of intake air in different cylinders, and method therefor |
| 01/01/2004 | US20040000287 Internal-combustion engine with two inlet valves for each cylinder and an electronically controlled system for actuating the inlet valves in differentiated and alternating ways |
| 01/01/2004 | US20040000276 Internal-combustion engine with an electronically controlled hydraulic system for actuation of the valves and means for compensating changes in the operating conditions of the hydraulic fluid |
| 12/30/2003 | US6671156 Method for controlling electromagnetic actuators for operating induction and exhaust valves of internal combustion engines |
| 12/30/2003 | US6668773 System and method for calibrating variable actuation system |
| 12/30/2003 | US6668772 Linear actuator apparatus and actuating control method |
| 12/25/2003 | US20030235023 Control apparatus for electromagnetically driven valve and control method of the same |
| 12/24/2003 | WO2003107523A1 Electroactive polymer devices for controlling fluid flow |
| 12/24/2003 | WO2003106820A1 Hydraulically controlled actuator for actuating a gas exchange valve on the exhaust side of an internal combustion engine |
| 12/24/2003 | WO2003106819A1 Unit trigger actuation |
| 12/23/2003 | US6666784 Piston rod piston detector, autotensioner and belt tension adjuster |
| 12/18/2003 | WO2003104619A1 Hydraulic valve actuation systems and methods |
| 12/18/2003 | US20030230277 Intake flow rate detecting apparatus of internal combustion engine and method of same |
| 12/17/2003 | EP1371837A2 Intake flow rate detecting apparatus of internal combustion engine and method of same |
| 12/17/2003 | EP1371820A2 Control apparatus for electromagnetically driven valve |
| 12/17/2003 | EP1370757A1 Method and device for controlling the operation of an internal combustion engine |
| 12/17/2003 | EP1370750A2 Hydraulic actuator for actuating a gas exchange valve of an internal combustion engine |
| 12/11/2003 | WO2003102386A1 A device and a method for the generation of pressure pulses |
| 12/11/2003 | WO2003102385A1 A method and device for pressure pulse generation |
| 12/11/2003 | WO2003102384A1 Hydraulically actuated, variable valve drive of an internal combustion engine |
| 12/11/2003 | WO2003102383A1 Hydraulically actuated, variable valve gear of an internal combustion engine |
| 12/11/2003 | DE19941479C2 Brennkraftmaschine Internal combustion engine |
| 12/10/2003 | EP1369567A1 System and method for controlling operation of a Otto-Miller engine |
| 12/10/2003 | CN1461378A Method and device for controlling operation of internal combustion engine |
| 12/09/2003 | US6661636 Method for controlling an electromechanical actuator drive |
| 12/09/2003 | US6661219 Apparatus having an electromagnetic actuator including an armature and at least one inductive element connected to the armature for determining the position of the armature |
| 12/04/2003 | US20030221663 Compact lost motion system for variable valve actuation |
| 12/04/2003 | US20030221644 Engine valve actuation system |
| 12/04/2003 | US20030221643 Turbocharged engine |
| 12/03/2003 | EP1367230A1 Turbocharged engine |
| 12/02/2003 | US6657847 Method of using inductance for determining the position of an armature in an electromagnetic solenoid |
| 12/02/2003 | US6655329 Variable valve train for a cam activated lifting valve of an internal combustion engine |
| 12/02/2003 | US6655328 Method for controlling an electromagnetic valve drive by changing the current direction when supplying the electromagnets with current |
| 11/27/2003 | WO2003098073A2 Rotary driven reciprocating mechanism and method |
| 11/27/2003 | WO2003098011A1 Filter for use in a flowing viscous medium |
| 11/27/2003 | US20030217714 Start control method and apparatus for solenoid-operated valves of internal combustion engine |
| 11/26/2003 | EP1364108A1 Gas exchange valve mechanism for an internal combustion engine |
| 11/25/2003 | US6651954 Electromagnetic valve actuator |
| 11/25/2003 | US6651601 Control strategy for improving cold cranking, starting, and warm-up of an engine having a variable valve actuation mechanism |
| 11/20/2003 | US20030213930 Process for reducing the side opening and closing time of a valve, and a valve |
| 11/20/2003 | US20030213452 Rotary driven reciprocating mechanism and method |
| 11/20/2003 | US20030213450 Control system and method for variable valve actuation system |
| 11/20/2003 | US20030213449 System and method for controlling engine operation |
| 11/20/2003 | US20030213448 System and method for calibrating variable valve actuation system |