Patents for F01L 9 - Valve-gear or valve arrangements actuated non-mechanically (7,196)
06/2003
06/03/2003US6572074 Electromechanical valve actuator with air piston to aid in soft landing
06/03/2003US6571823 Method and device for estimating the position of an actuator body in an electromagnetic actuator to control a valve of an engine
05/2003
05/30/2003WO2003044334A1 Sensor arrangement for recording the movement of an armature with suppression of interfering voltages
05/29/2003US20030098686 Device and method for detecting the position of an object
05/29/2003US20030098000 Variable lost motion valve actuator and method
05/28/2003EP1314862A2 Electromagnetic valve actuator
05/28/2003EP1314861A2 Process and system for determining valve lash and cam positions
05/28/2003EP1144811B1 Device for actuating a charge cycle valve
05/28/2003CN1109814C Hydraulically controlled camless valve system for IC engine
05/27/2003US6570474 Magnetostrictive electronic valve timing actuator
05/27/2003US6568367 Engine compression release brake system and method of operation
05/27/2003US6568360 Electrohydraulic device for operating the valves of a combustion engine
05/27/2003US6568359 Piston internal combustion engine with pressure relief gas exhaust valves
05/27/2003US6568358 Multicylinder internal combustion engine with gas flow lift valves actuated by electro-magnetic actuators
05/22/2003WO2003042522A1 Method and system of improving engine braking by variable valve actuation
05/22/2003WO2003042509A1 Device for the control of at least one gas exchange valve
05/22/2003US20030094149 Electromagnetic valve actuators
05/21/2003EP1312775A2 Electromagnetic valve actuators
05/21/2003EP1311746A1 Connection between a stem end on a gas exchange valve in an internal combustion engine and a sleeve-like actuator body of a valve actuator
05/21/2003CN1109190C Device for producing signal to control operation of internal combustion engine and internal combustion engine
05/21/2003CN1109181C Scavenger with electromagnetic actuator
05/20/2003US6567740 Circuit for load control and method for the emergency operation of an internal combustion engine
05/20/2003US6566990 Electromagnetic actuator and valve-open-close mechanism
05/20/2003US6564763 Internal combustion engine control system
05/15/2003US20030089322 Hydraulic manifold assembly for variable activation and deactivation of valves in an internal combustion engine
05/13/2003US6561145 Torque control method and system in an engine with a fully variable intake valve
05/13/2003US6561144 Valve driving device
05/13/2003US6560867 Modular valvetrain and cylinder head structure
05/08/2003WO2003038246A2 Hydraulic actuator for a gas exchange valve
05/08/2003WO2003038245A1 Device for controlling gas exchange valves
05/08/2003US20030084860 Method for controlling an electromechanical actuator for a fuel air charge valve
05/08/2003US20030084661 Method to increase temperature in an exhaust aftertreatment device coupled to a camless engine
05/07/2003EP1308802A2 Sliding mode controlling apparatus and sliding mode controlling method
05/07/2003EP1308603A2 Intake-air quantity control apparatus for internal combustion engine with variable valve timing system
05/07/2003EP1307636A1 Connection between two shaft ends, positioned coaxially one behind the other, of a gas shuttle valve in an internal combustion engine and a valve actuator
05/07/2003CN1416032A Slide mode controller and slide mode control method
05/06/2003US6560088 Method and circuit arrangement for reducing noise produced by electromagnetically actuated devices
05/06/2003US6557540 Method of calculating a valve timing command for an engine
05/06/2003US6557538 Method for forming contact between a control unit and current loads of internal combustion engines
05/06/2003US6557510 Internal combustion engine compression reduction system
05/06/2003US6557506 Hydraulically controlled valve for an internal combustion engine
05/06/2003US6557505 Control device for engine provided with electromagnetic driven intake valves
05/02/2003EP1306860A1 Electromagnetic actuator, drive unit and position or speed sensor those employ the electromagnetic actuator
05/02/2003EP1305505A1 Gas-exchange valve control for a valve-controlled internal combustion engine
05/01/2003US20030083799 Sliding mode controlling apparatus and sliding mode controlling method
05/01/2003US20030080306 Method of controlling current applied to electromagnetically driven valve and control system
04/2003
04/29/2003US6554248 Apparatus for estimating valve-clearance of an electro-magnetically operated valve and valve-operation controller for the electro-magnetically operated valve
04/29/2003US6553966 Method of presetting an internal combustion engine
04/29/2003US6553964 Coordinated valve timing and throttle control for controlling intake air
04/29/2003US6553961 Intake valve timing in multi-valve, camless engines
04/29/2003US6553950 Internal-combustion engine with variable-operation valves and auxiliary hydraulic tappet
04/22/2003US6550494 Position measuring device of electromagnetically operated engine valve drive system and method for attaching the same
04/22/2003US6550444 Premixed-compression-ignition internal combustion engine and method of controlling the same
04/22/2003US6550433 Engine valve actuator with valve seating control
04/17/2003WO2003031785A1 Method for controlling variable feedback gain energization of solenoid operated valve
04/17/2003US20030070644 Internal combustion engine
04/17/2003US20030070637 Valve timing control device for internal combustion engine
04/16/2003EP1302631A1 Assembly comprising an armature and at least one shaft, and method of producing
04/16/2003EP1144813B1 Drive unit for a valve of an internal combustion engine
04/16/2003EP1121511B1 Method and device for electromagnetic valve actuating
04/15/2003US6549390 Actuator controller
04/15/2003US6546910 Method and apparatus for controlling the cylinder torque of a combustion engine having electromagnetically driven valves
04/15/2003US6546904 Electromagnetic actuator for the actuation of the valves of an internal combustion engine with recovery of mechanical play
04/15/2003US6546903 Control system for electromagnetic actuator
04/10/2003US20030066500 Method for controlling an electromagnetic valve drive by changing the current direction when supplying the electromagnets with current
04/09/2003EP1300550A2 Valve operating system in internal combustion engine
04/09/2003EP1299622A1 Pressure pulse generator
04/09/2003EP1179120B1 Electro-mechanical servo-drive
04/09/2003EP0975857B1 Method for controlling an internal combustion engine
04/08/2003US6545372 Hybrid motor for a vehicle
04/08/2003US6543477 Electromechanical actuator
04/03/2003WO2003027451A1 Internal combustion engine comprising an electrohydraulic valve control device
04/03/2003WO2003027450A1 Hydraulically controlled actuator for actuating a valve
04/03/2003WO2003027449A1 Device for controlling an opening section in an internal combustion engine combustion cylinder
04/02/2003EP1179121B1 Electromagnetic multiple actuator
04/02/2003EP0912819B1 A hydraulically controlled intake/exhaust valve
04/01/2003US6539909 Retractable seat valve and method for selective gas flow control in a combustion chamber
04/01/2003US6539901 Internal combustion engine having an electromagnetic valve drive mechanism and method for controlling the same
03/2003
03/27/2003WO2003025353A1 An electromechanical valve drive incorporating a nonlinear mechanical transformer
03/27/2003WO2003025352A1 Direct injection engine with one valve per cylinder
03/27/2003WO2003024736A1 Control device and method for engine and transmission
03/27/2003US20030056745 Variable valve drive
03/27/2003US20030056743 Electromagnetic system to control the valves of an engine
03/27/2003US20030056742 Method of piloting electromagnetic actuators for the control of a plurality of valves of an engine
03/27/2003US20030056741 Electromechanical engine valve actuator system with loss compensation controller
03/27/2003US20030056740 Electromechanical engine valve actuator system with reduced armature impact
03/26/2003EP1296025A1 Electromagnetic system to control the valves of an engine
03/26/2003EP1296024A1 Method for piloting electromagnetic actuators for the control of a plurality of valves of an engine
03/26/2003EP1295302A1 Armature for an electromagnetic actuator with a sintered armature plate
03/26/2003EP0775252B1 Variable valve timing system
03/25/2003US6536407 Method of controlling the process of combustion in an internal combustion engine, and engine with means for controlling the engine valves
03/25/2003US6536388 Variable engine valve control system
03/25/2003US6536387 Electromechanical engine valve actuator system with loss compensation controller
03/20/2003WO2003023209A1 A method of torque modulation
03/20/2003WO2003023196A1 Actuator for actuating a lift valve
03/20/2003WO2002103729A3 Power supply method for electrical equipment
03/20/2003US20030051688 Electromechanical valve drive incorporating a nonlinear mechanical transformer
03/19/2003EP1131540B1 Electromagnetic drive
03/18/2003US6532944 Vapor purge control in an engine with a hybrid valvetrain
03/18/2003US6532919 Permanent magnet enhanced electromagnetic valve actuator
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