| Patents for F01L 9 - Valve-gear or valve arrangements actuated non-mechanically (7,196) |
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| 05/03/2001 | DE10053469A1 Solenoid actuator for valve operating mechanism of vehicle internal combustion engine, has armature end surfaces which correspond with guide guiding surfaces formed with protrusions |
| 05/03/2001 | DE10053465A1 Core of solenoid actuator has core plate stack, isolator, attachment arrangement securely holding core plates and core holders rigidly together to form unified arrangement |
| 05/03/2001 | DE10053464A1 Core of solenoid actuator has core holder, isolator, attachment arrangement, stacked core plates, each with at least one protrusion matching recess in adjacent plate to prevent relative motion |
| 05/03/2001 | DE10049505A1 Piston rod position measuring device; has coil at one end of cylinder, through which piston protrudes, where piston has flange, whose movement causes change of inductance in coil to produce signal |
| 05/02/2001 | EP1096113A2 Method for driving an internal combustion engine during a temporary failure of an electromagnetic valve actuator |
| 05/01/2001 | US6223846 Vehicle operating method and system |
| 04/26/2001 | DE19951315A1 Verfahren zum Betrieb einer Kolbenbrennkraftmaschine bei zeitweiligem Funktionsausfall eines elektromagnetischen Ventiltriebs Method for operating a reciprocating internal combustion engine during temporary loss of function of an electromagnetic valve train |
| 04/26/2001 | DE19951098A1 Actuator device for gas exchange valve of IC engines has valve spring adjusting piston locked in position when adjusting cylinder pressure drops to below set level |
| 04/26/2001 | DE19949930A1 Operating device for electromagnetic actuator of gas exchange valve in internal combustion engine transmits change of state of magnet to adjusting device for setting center position of armature |
| 04/24/2001 | US6220210 Solenoid valve driving device |
| 04/19/2001 | DE19947924A1 Electromagnetic operating device for IC engine gas changing valve has actuator with opening and closing magnets and spring-loaded armature connected to cylinder head via coupling element allowing relative movement |
| 04/18/2001 | EP1092855A2 Air induction control system for variable displacement internal combustion engine |
| 04/17/2001 | US6216653 Electromagnetic valve actuator for a valve of an engine |
| 04/17/2001 | US6216652 Method for operating actuators for electromagnetically controlling a valve |
| 04/17/2001 | US6216648 Internal combustion engine with pneumatically controlled variable exhaust valve |
| 04/12/2001 | WO2001025599A1 Electromagnetic or electrohydraulic valve control device |
| 04/12/2001 | DE19948209A1 Electromagnetic adjusting device for driving a valve in an internal combustion engine has two side metal sheets with yokes for force-braced electromagnets, also rotor bearings, a torsion spring retainer and actuator bearings |
| 04/12/2001 | DE19948207A1 Electromagnetic actuator has armature with at least some magnetic lamellas and at least some that engage armature tube and are connected to it in a shape- and/or force-locking manner |
| 04/12/2001 | DE19948205A1 Electromagnetic facility for controlling valves includes a space closed with a cover over a cylinder head circulated with cooling intake air and fitted with actuators on carriers having electronics for inlet/outlet valves |
| 04/12/2001 | DE19948204A1 Electromagnetic actuator for controlling a valve in an internal combustion engine uses two electromagnets acting upon an armature striking a valve shaft, two counter-posed spring forces and a valve spring acting upon the armature |
| 04/12/2001 | DE19947758A1 Device for operating an internal combustion engine gas exchange valve with an electromagnetic actuator incorporates an electromagnetic unit with electromagnetic opening and closing magnets surrounding a sliding rotor |
| 04/11/2001 | EP1091368A1 Electric actuator in particular for a motor vehicle valve |
| 04/11/2001 | EP1091097A1 Improvements to internal combustion engines with valve variable actuation |
| 04/11/2001 | EP1090209A1 Method for starting an electromechanical regulating device especially designed for controlling the charge cycle in an internal combustion engine |
| 04/10/2001 | US6213147 Magnetic screening of an acturator for electromagnetically controlling a valve |
| 04/05/2001 | DE19941942A1 Actuating element with permanent magnet e.g. for actuating gas-exchange valves in combustion engine, has permanent magnet mounted in sleeve made from non-magnetic material with collar at one end for supporting spring-plate |
| 04/04/2001 | EP1088967A1 Electromagnetic valve actuator in an internal combustion engine |
| 03/29/2001 | WO2001022442A1 Electromagnetic actuator |
| 03/29/2001 | WO2001021939A2 Hydraulic valve-operating mechanism |
| 03/29/2001 | DE10047964A1 Actuator control equipment has electromagnet control unit that switches either electromagnet from attraction phase to holding phase once generated magnetic flux reaches set value |
| 03/28/2001 | EP1087110A1 Electromagnetic actuator for the control of the valves of an internal combustion engine |
| 03/28/2001 | EP1087109A2 Valve drive for internal combustion engine |
| 03/27/2001 | US6208497 System and method for servo control of nonlinear electromagnetic actuators |
| 03/27/2001 | US6205964 Damping device for movable masses, preferably for electromagnetic systems |
| 03/27/2001 | US6205963 High power density, low emission internal combustion engine |
| 03/27/2001 | CA2234784C Computer controlled intake and exhaust valve |
| 03/22/2001 | WO2001020151A1 Integrated lost motion rocker brake with control valve for lost motion clip/reset |
| 03/22/2001 | WO2001020150A1 Captive volume accumulator for a lost motion system |
| 03/22/2001 | WO2001020140A1 Method for controlling an electromechanical actuator device |
| 03/22/2001 | WO2001020139A1 Method and apparatus for valve seating velocity control |
| 03/22/2001 | WO2001020138A1 Apparatus for controlling at least one engine valve in a combustion engine |
| 03/22/2001 | DE19945112A1 Elektromagnetischer Aktuator Electromagnetic actuator |
| 03/22/2001 | DE19938779A1 Schaltung zur Messung des Spulenstroms eines elektromagnetischen Stellgerätes und Verfahren zur Bestimmung des Offsetfehlers Circuit for measuring the coil current of an electromagnetic actuating device and method for determining the offset error |
| 03/21/2001 | EP1084360A1 Fast valve and actuator |
| 03/21/2001 | CN1288501A Control device for solenoid driving valve |
| 03/20/2001 | US6202609 Electromagnetic control device |
| 03/20/2001 | US6202608 Control system for internal combustion engine |
| 03/20/2001 | US6202607 Electromagnetically operating device for actuating a valve |
| 03/15/2001 | DE19943620A1 Vorrichtung mit einem elektromagnetischen Aktuator zur Betätigung eines Gaswechselventils einer Brennkraftmaschine A device with an electromagnetic actuator for actuating a gas exchange valve of an internal combustion engine |
| 03/15/2001 | DE19942934A1 Maximum valve-lift measurement method e.g. for a petrol powered combustion engine gas-exchange valve |
| 03/15/2001 | DE19941479A1 Internal combustion engine for vehicle, with storage space in channel in which is gastight sealed liquid column |
| 03/14/2001 | EP1083302A2 Electromagnetically actuated valve drive in an internal combustion engine |
| 03/13/2001 | US6201681 Control apparatus for electromagnetic actuator |
| 03/06/2001 | US6198370 Method and apparatus for operating a cylinder valve with an electromagnetic actuator without pole face contacting |
| 03/06/2001 | US6196172 Method for controlling the movement of an armature of an electromagnetic actuator |
| 03/01/2001 | WO2001014772A1 Zero axial motion spring retainer |
| 03/01/2001 | DE19938749A1 Valve play determination of gas exchange valve |
| 02/28/2001 | EP0843779B1 A compresssion release braking system for an internal combustion engine |
| 02/27/2001 | US6192857 Control apparatus of engine with electronically driven intake and exhaust valves |
| 02/27/2001 | US6192841 Device to limit valve seating velocities in limited lost motion tappets |
| 02/22/2001 | WO2001013382A1 Electromagnetic actuator with a heat conductor |
| 02/22/2001 | WO2001013131A1 Circuit and method for determining the offset error of a measurement of the coil current of an electromagnetic actuator that is subject to such an offset error |
| 02/21/2001 | EP1077313A2 Apparatus for controlling electromagnetically powered engine valve |
| 02/21/2001 | EP1076908A1 Method for detecting an armature movement in an electromagnetic actuator |
| 02/21/2001 | EP1076763A1 An air-fuel module adapted for an internal combustion engine |
| 02/20/2001 | US6191929 Control device for an internal combustion engine |
| 02/15/2001 | DE19938657A1 Elektromagnetischer Aktuator mit Wärmeleitmitteln An electromagnetic actuator with thermal interfaces |
| 02/15/2001 | DE19938451A1 Elektromagnetisch betätigter Ventiltrieb für ein Hubventil einer Hubkolben-Brennkraftmaschine Electromagnetically actuated valve train for a lift valve of a reciprocating internal combustion engine |
| 02/15/2001 | DE10005247C1 Arrangement for actuating gas replacement valve for internal combustion engine has play compensation element set to minimal valve play during installation by mechanical control element |
| 02/14/2001 | EP1076163A2 Method and apparatus for controlling an electromagnetically operated engine valve to initial condition before engine startup |
| 02/14/2001 | EP1076162A2 Electromagnetic valve drive mechanism for a piston engine lift valve |
| 02/13/2001 | US6186100 Valve assembly for internal combustion engine |
| 02/08/2001 | DE19958175C1 Electromagnetic operating device for IC engine gas changing valve has carrier for actuator provided with ferromagnetic component acting as stop for opening magnet |
| 02/08/2001 | DE19937407A1 Method for adjusting spring-tension of valve spring especially in internal combustion engines involves measuring existing pretensioning force of installed spring and deliberately breaking down inherent tensions |
| 02/08/2001 | DE19935871A1 Gas exchange valve operating arrangement for combustion engine, having latch arrangement which engages at armature shaft, valve shaft, and/or spring shaft |
| 02/07/2001 | EP1074716A2 Internal cylinder intake-air quantity calculating apparatus and method for variable valve open/closure timing controlled engine |
| 02/07/2001 | EP1074715A2 Intake air quantity calculating apparatus for an internal combustion engine with a variable valve timing control mechanism |
| 02/06/2001 | US6184767 Electromagnetic actuator having a joint-supported resetting spring |
| 02/06/2001 | US6182621 Method of affecting mixture formation and charge motion in an engine cylinder |
| 02/06/2001 | US6182620 Internal combustion engine with electromagnetically actuated valves |
| 01/31/2001 | CN1061411C Compact cylinder head device for internal combustion engine |
| 01/30/2001 | US6178935 Valve control device for an internal combustion engine |
| 01/30/2001 | US6178934 System and method for controlling internal combustion engine |
| 01/25/2001 | WO2001006104A1 Method for controlling an internal combustion engine to eliminate knocking |
| 01/25/2001 | DE19947144A1 Actuator for gas exchange valve in IC engines with yoke of inner and outer cylindrical parts, and magnet coil wound on inner yoke parts |
| 01/25/2001 | DE19934548A1 Cylinder head with electro-magnetic gas exchange valves for IC engines has electronic control and performance system on support plate on cylinder head wall |
| 01/25/2001 | DE19931052A1 Electromagnetic valve control for internal combustion engine, has armature mounted on rod and activated by electromagnet |
| 01/24/2001 | EP1070198A1 Electromagnetic actuator with laminated armature |
| 01/23/2001 | US6176209 Electromagnetically operated valve control system and the method thereof |
| 01/23/2001 | US6176208 Electromagnetic valve driving apparatus |
| 01/23/2001 | US6176207 Electronically controlling the landing of an armature in an electromechanical actuator |
| 01/18/2001 | WO2001004465A1 Method for controlling an internal combustion engine to correct cylinder dispersion in terms of gas torque |
| 01/17/2001 | EP1069298A1 Control method for an internal combustion engine in order to compensate valve failure |
| 01/17/2001 | EP1069285A2 Electromagnetic actuating device for operating a gas exchange valve with stacking springs |
| 01/17/2001 | EP1069284A2 A method of using inductance for determining the position of an armature in an electromagnetic solenoid |
| 01/17/2001 | EP1069283A2 Valve driving apparatus for internal combustion engine |
| 01/16/2001 | US6173685 Air-fuel module adapted for an internal combustion engine |
| 01/16/2001 | US6173684 Internal combustion valve operating mechanism |
| 01/09/2001 | US6170524 Fast valve and actuator |
| 01/09/2001 | US6170445 Electromagnetic actuating system of internal combustion engine |