| Patents for F01L 9 - Valve-gear or valve arrangements actuated non-mechanically (7,196) |
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| 06/22/2004 | US6752106 Pressure pulse generator |
| 06/17/2004 | WO2004051058A1 Valve actuator for actuating a gas exchange valve of an internal combustion engine |
| 06/17/2004 | WO2004044391A3 Rotary actuator system for controlling the stroke of gas exchange valves in the cylinder head of an internal combustion engine |
| 06/17/2004 | US20040112312 Valve actuating device, and method for controlling same |
| 06/17/2004 | US20040112307 Four stroke auto-ignition engine |
| 06/17/2004 | DE10351940A1 Engine valve actuation system for internal combustion engine, has fluid check valve disposed between fluid source and directional control valve to allow fluid flow to travel from fluid source to directional control valve |
| 06/17/2004 | DE10351375A1 Vorrichtung zum Steuern einer Brennkraftmaschine mit einem variablen Ventilzeitgebungssystem An apparatus for controlling an internal combustion engine with a variable valve timing system |
| 06/16/2004 | EP1427917A1 Hydraulically controlled actuator for actuating a valve |
| 06/16/2004 | EP1136685B1 Apparatus for and method of controlling an internal combustion engine |
| 06/16/2004 | CN1504629A Electromagnetically driven valve control apparatus and electromagnetically driven valve control method for internal combustion engine |
| 06/10/2004 | WO2004048761A1 Improved engine management |
| 06/10/2004 | US20040108482 Electromagnetically driven valve device |
| 06/10/2004 | US20040107928 Valve-driving system of internal combustion engine and valve-driving apparatus |
| 06/10/2004 | US20040107924 Valve driving device of an internal combustion engine |
| 06/09/2004 | EP1426568A1 Electric valve-driving system and -apparatus of internal combustion engine |
| 06/09/2004 | EP1426567A1 Electric valve-driving system of internal combustion engine |
| 06/09/2004 | EP1426566A1 Electromagnetically driven valve control apparatus and electromagnetically driven valve control method for internal combustion engine |
| 06/09/2004 | EP1214721B1 Electromagnetic actuator |
| 06/09/2004 | DE10256242A1 Ventilsteller zur Betätigung eines Gaswechselventils einer Brennkraftmaschine Valve head for actuating a gas exchange valve of an internal combustion engine |
| 06/08/2004 | US6745738 Pneumatic valve return spring |
| 06/08/2004 | US6745731 Valve driving device of an internal combustion engine |
| 06/03/2004 | WO2004046511A1 Electromagnetic actuator with additional active surfaces |
| 06/03/2004 | US20040104368 Piezo solenoid actuator and valve using same |
| 06/03/2004 | US20040103878 Rotary valve for controlling a fuel injector and engine compression release brake actuator and engine using same |
| 06/03/2004 | US20040103868 Device for the control of at least one gas exchange valve |
| 06/03/2004 | US20040103867 Electromagnetically driven valve control apparatus and electromagnetically driven valve control method for internal combustion engine |
| 06/03/2004 | US20040103866 Linear control valve for controlling a fuel injector and engine compression release brake actuator and engine using same |
| 06/03/2004 | US20040103865 Fully variable mechanical valve gear for a piston-type internal combustion engine |
| 06/03/2004 | DE19824235B4 Steuerverfahren für Verbrennungsmotor Control method for internal combustion engine |
| 06/02/2004 | EP1423860A1 Method for solenoid control |
| 06/02/2004 | EP1423589A1 A method of torque modulation |
| 06/01/2004 | US6745122 Method for operating an internal combustion engine |
| 06/01/2004 | US6744615 Device for controlling an electromechanical regulator |
| 05/27/2004 | WO2004044392A1 Pivoting actuator system for controlling the stroke of a gas exchange valve in the cylinder head of an internal combustion engine |
| 05/27/2004 | WO2004044391A2 Rotary actuator system for controlling the stroke of gas exchange valves in the cylinder head of an internal combustion engine |
| 05/27/2004 | WO2004044390A1 High speed solenoid valve |
| 05/27/2004 | DE10252997A1 Electrical actuator system for inlet and exhaust valves for internal combustion engine may control lift of four valves using two reciprocating actuator motors rotating cams engaging valves |
| 05/27/2004 | DE10252991A1 Tilting actuator system for inlet or exhaust valve in internal combustion engine has oscillating motor turning shaft with high-lift and low-lift cams engaging adjustable rocker pressing on valve stem |
| 05/26/2004 | EP1422812A1 Solenoid valve driver |
| 05/26/2004 | EP1421591A1 Electromagnetic regulating device |
| 05/26/2004 | EP1421590A1 Electromagnetic actuator with two stable end-of-travel positions, in particular for controlling air intake duct valves for internal combustion engines |
| 05/26/2004 | EP1421263A1 Detachable connection for coupling a gas exchange valve of an internal combustion engine to an actuator |
| 05/26/2004 | EP1421260A1 Valve mechanism with a variable valve opening diameter |
| 05/25/2004 | US6741924 Apparatus and method for engine cylinder intake air quantity calculation |
| 05/25/2004 | US6741441 Electromagnetic actuator system and method for engine valves |
| 05/25/2004 | US6739294 Manifold for housing high-pressure oil in a camless engine |
| 05/25/2004 | US6739293 Hydraulic valve actuation systems and methods |
| 05/21/2004 | WO2004042318A1 Device for measuring the lift of poppet valves |
| 05/21/2004 | WO2004042201A1 Arrays for controllable power supply of electrovalves of an electrohydraulic valve control |
| 05/20/2004 | US20040094104 Hydraulic actuator for actuating a gas exchange valve of an internal combusition engine |
| 05/20/2004 | US20040094103 Radial valve gear apparatus for barrel engine |
| 05/19/2004 | EP1420147A1 Workpiece comprising interconnected lamination stacks |
| 05/19/2004 | DE10350055A1 Elektromagnetisch angetriebene Ventilvorrichtung The electromagnetically driven valve device |
| 05/19/2004 | DE10350022A1 Motorbremssystem Engine braking system |
| 05/19/2004 | DE10251988A1 Mounting method for actuator, e.g. for internal combustion engine valve, by positioning electromagnet unit abutment surface lies flat against contact surface of pivot armature, and using hardenable compound to fix in position |
| 05/19/2004 | DE10251664A1 Valve stroke measurement device, especially for a combustion engine, has an inductive path sensor with a flush magnetic metallic housing integrated in the valve shaft with a degree of axial play so that a fixed coil detects it |
| 05/19/2004 | DE10251043A1 Device for operating gas changeover valve for use with four stroke engines has valves operated by individual electric motor operated cams |
| 05/19/2004 | DE10251034A1 Arrangement for controllable current supply to magnetic valves of combustion engine electrohydraulic valve controller has common attraction voltage line section for valve group with isolation switch |
| 05/18/2004 | US6736093 Device for controlling at least one gas-changing of an internal combustion engine |
| 05/18/2004 | US6736092 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 |
| 05/13/2004 | US20040092349 Piston rod position detector, autotensioner and belt tension adjuster |
| 05/13/2004 | US20040089829 Device for controlling a gas exchange valve |
| 05/13/2004 | US20040089250 Device for controlling an internal combustion engine with a variable valve timing system |
| 05/13/2004 | US20040089249 Engine convertible from two-stroke to four-stroke |
| 05/13/2004 | DE10349379A1 Elektromechanischer Ventilaktuator mit variablem Hub Electromechanical valve actuator with variable stroke |
| 05/13/2004 | DE10249452A1 Ventil Valve |
| 05/13/2004 | DE10062107C5 Aktorregelung Aktorregelung |
| 05/12/2004 | EP1417404A1 High-speed controlling device |
| 05/12/2004 | EP1417398A1 Rotary actuator device for controlling the stroke of a gas-shuttle poppet valve in the cylinder head of an internal combustion engine |
| 05/11/2004 | US6732998 Method of forming laminated core and electromagnetic type valve driving device |
| 05/11/2004 | US6732710 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 |
| 05/11/2004 | US6732685 Engine valve actuator |
| 05/11/2004 | US6732684 Solenoid-type valve actuator for internal combustion engine |
| 05/11/2004 | US6732682 Control system and method for an internal combustion engine |
| 05/06/2004 | WO2004038187A1 Hydraulically actuated and damped exhaust valve |
| 05/06/2004 | US20040083995 Device for controlling a cross-section of an opening in the combustion cylinder of an internal combustion engine |
| 05/06/2004 | US20040083993 State space control of solenoids |
| 05/06/2004 | EP1416128A1 System for delaying the intake valve closing time in an engine |
| 05/06/2004 | EP1415070A1 Device for controlling gas exchange valves |
| 05/06/2004 | DE10249690A1 Electromagnetic valve driver for internal combustion engine has element movable relative to electromagnet in armature displacement direction, protruding past associated electromagnet in end position |
| 05/06/2004 | DE10248426A1 Linearschrittmotor Linear Stepper Motor |
| 05/04/2004 | US6729287 Connection between a shaft end of a gas exchange valve in an internal combustion engine and a sleeve-shaped control piston on a tappet |
| 05/04/2004 | US6729279 Apparatus for controlling at least one engine valve in a combustion engine |
| 05/04/2004 | US6729278 Dual coil, dual lift electromechanical valve actuator |
| 05/04/2004 | US6729277 Electromagnetic valve controller |
| 05/04/2004 | US6729126 Internal combustion engine having variable valve control system and NOx catalyst |
| 04/29/2004 | WO2004036728A2 Linear step-by-step motor |
| 04/29/2004 | WO2004035999A1 Electromagnetic valve operating device with adjustable neutral position |
| 04/29/2004 | US20040079330 Driver or direct acting valve for internal combustion engine |
| 04/29/2004 | US20040079308 Device for controlling gas exchange valves |
| 04/29/2004 | US20040079306 Variable lift electromechanical valve actuator |
| 04/29/2004 | DE10248330A1 Elektromagnetische Ventiltriebvorrichtung mit einstellbarer Neutralstellung An electromagnetic valve drive device with adjustable neutral position |
| 04/29/2004 | DE10248328A1 Elektromagnetische Ventiltriebvorrichtung mit verdrehgesicherter Neutrallagenverstellschraube An electromagnetic valve drive device with a Ball Neutrallagenverstellschraube |
| 04/28/2004 | EP1412620A1 Electrohydraulic valve control |
| 04/27/2004 | US6728626 Internal combustion engine with means for uniforming the amount of intake air in different cylinders, and method therefor |
| 04/27/2004 | US6725816 Apparatus for and method of controlling solenoid-operated valve device, and recording medium storing control program for solenoid-operated valve device |
| 04/22/2004 | WO2004033868A2 Electromagnetic valve system |
| 04/22/2004 | WO2004033863A1 Apparatus for deactivating an engine valve |
| 04/22/2004 | WO2004033861A1 An arrangement of an internal combustion engine poppet valve and an actuator therefor |
| 04/22/2004 | US20040074456 Device for controlling gas exchange valves |