| Patents for F01L 9 - Valve-gear or valve arrangements actuated non-mechanically (7,196) |
|---|
| 11/11/2004 | DE10318245A1 Controlling electromagnetic actuator armature motion involves alternately passing current in coils using 3-point regulation to move in oscillation between pole faces of coils against restoring spring |
| 11/10/2004 | CN1544800A Pressure differential style air valve variation control system |
| 11/04/2004 | WO2004094792A2 Methods of controlling a camless engine to prevent interference between valves and pistons |
| 11/04/2004 | US20040217671 Rolled electroactive polymers |
| 11/04/2004 | US20040217313 Electromechanical valve control actuator for internal combustion engines and internal combustion engine equipped with such an actuator |
| 11/04/2004 | US20040216718 Adaptive control for engine with electronically adjustable valve operation |
| 11/04/2004 | DE10317644A1 Elektromagnetischer Aktuator mit unsymmetrischer Magnetkreisauslegung zur Betätigung eines Gaswechselventils An electromagnetic actuator with unbalanced magnetic circuit design for operating a gas exchange valve |
| 11/03/2004 | EP1472440A1 Efficient internal combustion engine valve actuator |
| 11/03/2004 | EP1472439A1 Engine valve actuator providing miller cycle benefits |
| 11/03/2004 | EP1472437A1 Engine valve actuator |
| 11/03/2004 | EP1472436A1 Cylinder head |
| 11/03/2004 | EP1044319B1 Internal combustion engine |
| 11/03/2004 | CN1543533A Rotary actuator device for controlling the stroke of a gas-shuttle poppet valve in the cylinder head of an internal combustion engine |
| 11/02/2004 | US6810842 Oil control valve and installing method thereof |
| 11/02/2004 | US6810841 Electronic valve actuator control system and method |
| 11/02/2004 | US6810840 Internal combustion engine and method for the operation thereof |
| 10/28/2004 | WO2004092560A1 Internal combustion engine with compression ratio-changing mechanism and method of controlling internal combustion engine |
| 10/28/2004 | WO2004092550A1 Valve gear and method for opening and closing a passage |
| 10/28/2004 | US20040214687 Control device and method for engine and transmission |
| 10/28/2004 | US20040211392 Method for operating an internal combustion engine |
| 10/28/2004 | US20040211378 Pressure-supply device for an electrohydraulic valve control of gas-exchange valves in internal combustion engines |
| 10/28/2004 | DE102004010675A1 Verteilter Speicher für hydraulisches nockenloses Ventilbetätigungssystem Distributed memory for hydraulic camless valve actuation system |
| 10/27/2004 | EP1471232A1 Method of valve operation in an internal combustion engine |
| 10/27/2004 | EP1471228A2 Internal combustion engine equipped with a scavenging control valve apparatus |
| 10/26/2004 | US6808158 Hydraulic outlet-valve actuation and method of making and using same |
| 10/26/2004 | US6807956 Method for a cylinder-charge control in the case of an internal combustion engine |
| 10/26/2004 | US6807937 Multi-cylinder diesel engine with variably actuated valves |
| 10/26/2004 | US6807929 Engine valve actuation system and method |
| 10/21/2004 | US20040206331 Engine valve actuator |
| 10/21/2004 | US20040206320 Electromechanical valve actuator for internal combustion engines and internal combustion engine equipped with such an actuator |
| 10/21/2004 | US20040206319 Electromechanical valve actuator for internal combustion engines and internal combustion engine equipped with such an actuator |
| 10/21/2004 | US20040206318 Electromechanical valve actuator for internal combustion engines and internal combustion engine equipped with such an actuator |
| 10/21/2004 | DE102004013425A1 Magnetventil-Steuersystem und Steuerverfahren Solenoid valve control system and control method |
| 10/21/2004 | DE102004004461A1 Elektromechanischer Ventilaktuator Electromechanical valve actuator |
| 10/20/2004 | EP1469168A2 Method and apparatus for controlling electromagnetically driven valves of an engine dependent on a transmission state |
| 10/20/2004 | EP1468171A1 Device for controlling a cross-section of an opening in the combustion cylinder of an internal combustion engine |
| 10/20/2004 | EP1417404B1 High-speed controlling device |
| 10/20/2004 | EP1149234B1 Intake-air quantity control apparatus and method for internal combustion engines |
| 10/19/2004 | US6806596 Armature for an electromagnetic actuator with a sintered armature plate |
| 10/19/2004 | US6805079 Method to control electromechanical valves |
| 10/14/2004 | WO2004088188A2 Electromagnetic actuating device |
| 10/14/2004 | WO2004088098A1 Solenoid valve driver for intake and exhaust valves |
| 10/14/2004 | WO2004033868B1 Electromagnetic valve system |
| 10/14/2004 | US20040201945 Solenoid control using voltage control of freewheel current decay |
| 10/14/2004 | US20040201441 Electromagnetic regulating device |
| 10/14/2004 | DE10315584A1 Operating method for electromagnetic actuator e.g. for gas exchange valve of internal combustion engine, by comparing actual current with reference value and regulating current accordingly |
| 10/14/2004 | DE10314860A1 Elektrischer Ventiltrieb für Verbrennungsmotoren mit Ventilspieldämpfungselement Electric valve drive for internal combustion engines with valve clearance damping element |
| 10/14/2004 | DE10314677A1 Verfahren zum Betreiben einer Brennkraftmaschine A method of operating an internal combustion engine |
| 10/13/2004 | EP1467067A1 Device for cam shaft free actuation of a gas exchange valve of an internal combustion engine |
| 10/12/2004 | US6803686 Electromechanical actuator |
| 10/12/2004 | US6802299 Method and device for controlling the operation of an internal combustion engine |
| 10/12/2004 | US6802285 Engine having a variable valve actuation system |
| 10/07/2004 | WO2004085858A1 Variable valve system of internal combustion engine and control method thereof, and hydraulic actuator |
| 10/07/2004 | WO2004070239A3 Pneumatically actuated valve for internal combustion engines |
| 10/07/2004 | US20040194744 Hydraulic actuator cartridge for a valve |
| 10/07/2004 | US20040194743 Engine valve actuator assembly with dual hydraulic feedback |
| 10/07/2004 | US20040194742 Engine valve actuator assembly with automatic regulation |
| 10/07/2004 | US20040194741 Engine valve actuator assembly with hydraulic feedback |
| 10/07/2004 | US20040194740 Electrohydraulic engine valve actuator assembly |
| 10/07/2004 | DE10313733A1 Valve control device for IC engine using electrohydraulic valve actuators each incorporating hydraulic valve brake with throttle valve controlled by pressure in fluid feedback line |
| 10/07/2004 | DE10311493A1 Large two-stroke diesel engine e.g. for ship's drive, has outlet valve actuated by hydraulic unit to close exhaust outlet |
| 10/06/2004 | EP1464796A1 Electromagnetic valve actuator with permanent magnet for an internal combustion engine |
| 10/06/2004 | EP1464795A2 Electric valve drive with lash adjuster for an internal combustion engine |
| 10/06/2004 | EP1464794A2 Engine valve actuator assembly with dual hydraulic feedback |
| 10/06/2004 | CN1534171A Variator air valve device for IC engine |
| 09/30/2004 | US20040187842 Engine braking methods and apparatus |
| 09/30/2004 | US20040187814 Electromagnetically driven valve control system and method |
| 09/30/2004 | DE10312108A1 Arrangement for controlling combustion engine gas exchange valves has high-pressure pump, feed line, valve adjuster, return line in closed circuit with approximately constant circulating fluid volume |
| 09/30/2004 | DE10311275A1 Ventiltrieb für einen Verbrennungsmotor A valve drive for an internal combustion engine |
| 09/29/2004 | CN1533469A Valve control apparatus for IC engine |
| 09/28/2004 | US6798636 Method of estimating the effect of the parasitic currents in an electromagnetic actuator for the control of an engine valve |
| 09/23/2004 | WO2004081350A1 Method for operating a hydraulic actuator, especially a gas exchange valve of an internal combustion engine |
| 09/23/2004 | DE10310963A1 Coil construction for electromagnetic actuator for operation of IC engine valve, has measuring coil for measuring flux variations provided by actuator coil |
| 09/23/2004 | DE10310300A1 Combustion engine valve actuator control method, in which the work space of the actuator is temporarily connected to a hydraulic fluid accumulator to measure a resultant pressure drop and thus the position of the actuator element |
| 09/23/2004 | DE10310298A1 Valve operation control device for a motor vehicle combustion engine, especially a diesel engine, has a hydraulic damping choke for controlling valve-closing speed so that it is matched to engine speed and loading |
| 09/22/2004 | EP1171703B1 Control device for actuators of an internal combustion engine |
| 09/21/2004 | US6795291 Electromechanical valve assembly for an internal combustion engine |
| 09/21/2004 | US6792668 Method for producing an electromagnetic actuator |
| 09/16/2004 | US20040181760 Systems and methods for operating an electromagnetic actuator |
| 09/16/2004 | US20040178130 Filter for use in a flowing viscous medium |
| 09/16/2004 | DE10310210A1 Electromagnetic actuating device e.g. for combustion engine valves, has drive control circuit connected in series with coil |
| 09/16/2004 | DE10309439A1 Motor vehicle internal combustion engine electromagnetic poppet valve drive has connecting shaft between rocker and valve stem to reduce lateral forces |
| 09/15/2004 | EP1457645A1 Valve gear for an internal-combustion engine |
| 09/15/2004 | EP1456509A1 Valve operating unit for a fluid-operated variable valve drive on an internal combustion engine |
| 09/15/2004 | CN1529041A Hydraulic distributing mechanism for engine rotary valve |
| 09/14/2004 | US6789777 Piezo solenoid actuator and valve using same |
| 09/14/2004 | US6789518 Method and system for identifying valve clearances and position of valve opening cams |
| 09/10/2004 | WO2004061875A3 Electromagnetic valve actuator with permanent magnet |
| 09/09/2004 | US20040173171 Valve drive system and method |
| 09/09/2004 | US20040173170 Method and device for operating an internal combustion engine |
| 09/09/2004 | DE10308057A1 Appliance with sensor and evaluator determining equilibrium position of actuator armature, typically operating gas change valve of internal combustion engine, includes electromagnetic unit and spring mechanism |
| 09/08/2004 | EP1455072A1 Internal combustion engine having variable valve control system and NOx catalyst |
| 09/08/2004 | EP1455058A2 Electromagnetic valve drive system and method |
| 09/08/2004 | EP1117906B1 Method for controlling an internal combustion engine |
| 09/08/2004 | CN1526920A 气门驱动系统及其方法 Valve drive system and method |
| 09/08/2004 | CN1165677C Apparatus for controlling position of electromagnetically operated engine valve |
| 09/07/2004 | US6786186 Unit trigger actuator |
| 09/02/2004 | US20040169988 Electromagnetic control device |
| 09/02/2004 | US20040168658 Internal combustion engine valve control apparatus |
| 09/02/2004 | DE10306456A1 Regulator for motor vehicle internal combustion engine valve has hydraulic fluid viscosity sensor to adjust valve control action |