Matches 1 - 50 out of 135 1 2 3 >


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US20100294221 SET CONTAINING AN ELECTROMAGNET AND AN ELECTROMAGNETIC PALETTE, AND VALVE ACTUATOR COMPRISING SUCH A SET  
The invention relates to a set containing an electromagnet (14) and an electromagnet palette that can be magnetically linked to the electromagnet (14), the palette comprising a connecting edge...
US20100018481 VALVE CONTROL SYSTEM WITH MALFUNCTION DETECTION  
The invention relates to a valve control system for an engine including at least one cylinder (1, 2, 3, 4) with valves (5, 6), wherein said system comprises valve electromagnetic actuation members...
US20130068180 Camshaft with Camshaft Adjuster  
A camshaft for actuating the gas exchange valves of an internal combustion engine. The camshaft includes a camshaft tube, a hydraulic camshaft adjuster, a valve for controlling the hydraulic fluid...
US20130074790 ELECTROHYDRAULIC VALVE ACTUATOR WITH RECIPROCATING CAM  
An electrohydraulic valve actuator with cylinder and reciprocating cam includes: a valve-actuating hydraulic cylinder (2) which opens a valve of an internal combustion engine (100) via a...
US20100071642 Exhaust valve device  
An exhaust valve device includes an exhaust valve formed by a valve body, a valve stem and a valve element, which opens and closes an exhaust passage provided in the valve body, mounted on the...
US20080141960 Variable valve actuation system having a crank-based actuation transmission  
A variable valve actuation system having a crank-based eccentric transmission driven by an electric motor to control valve lift, duration, and phasing in the cylinder head of an internal...
US20090229583 MOTOR POPPET VALVE AND AN EGR DEVICE FOR AN INTERNAL COMBUSTION ENGINE USING THE SAME  
Motor control means of a motor poppet valve has initial motor torque setting means for setting the initial motor torque of an electric motor so that the initial motor torque equals a torque...
US20070163243 Exhaust system with cam-operated valve assembly and associated method  
An exhaust system for use with an engine comprises at least one valve and a camshaft. The at least one valve is configured to control flow in the exhaust system but is discrete from each intake...
US20110146636 COOLED EXHAUST GAS RECIRCULATION SYSTEM WITH CYLINDER-LEVEL CONTROL  
A cooled exhaust gas recirculation system includes one or more cylinders, each with several valves, an intake manifold, an exhaust manifold and a cooled exhaust gas recirculation chamber. The...
US20070227478 Electro-hydraulic valve actuator with integral electric motor driven rotary control valve  
An improved electro-hydraulic intake and exhaust valve actuator for a “camless” internal combustion reciprocating engine. The present invention integrates an electric motor driven “plug type”...
US20090217892 GAS EXCHANGE VALVE ACTUATOR FOR A VALVE-CONTROLLED INTERNAL COMBUSTION ENGINE  
A gas exchange valve actuator for a valve-controlled internal combustion engine is equipped with a rotor, which is to be coupled to a valve member, and a stator, wherein the rotor has at least two...
US20080066700 VARIABLE VALVE TIMING SYSTEM AND METHOD FOR CONTROLLING THE SAME  
An actuator operation amount setting unit prepares the rotational speed command value for an electric motor such that the phase of an intake valve changes in accordance with the target phase. An...
US20070199527 Electromagnetic actuator and operating arrangement for operation of a valve arrangement  
An electromagnetic actuator is disclosed. The actuator has a coil arrangement which can be excited electrically, and has an armature. The armature is mounted such that it can move axially in the...
US20100059003 ENGINE ELECTROMAGNETIC VALVE OPERATING DEVICE  
In an engine electromagnetic valve operating device (20), an intake valve (17) is opened and closed by means of a first electromagnet (21), which is fixed to a cylinder head, and a second...
US20050076866 Electromechanical valve actuator  
A compact electromechanical valve actuator that allows the electromechanical valves to generally be situated in closer proximity to each other, thereby reducing overall packaging space...
US20090114863 Electromagnetically driven valve  
An electromagnetically driven valve includes a drive valve with a stem; a lower disk and an upper disk, each of which can oscillate by using a predetermined point in a disk base as a supporting...
US20070215078 Methods and apparatus to use engine valves as both intake and exhaust valves  
Methods and apparatus to selectively use engine valves as both intake and exhaust valves and to selectively operate the engine as a 2 cycle or as a 4 cycle engine. In a disclosed embodiment, the...
US20130055973 MULTI-CYLINDER INTERNAL COMBUSTION ENGINE WITH VARIABLE ACTUATION OF THE ENGINE VALVES  
In a multi-cylinder internal combustion engine, valves of the engine, in particular the exhaust valves (3), are actuated by rocker arms (18) each of which is rotatably mounted on the structure of...
US20070272178 Semi-Active Compressor Valve  
A method and system for fine-tuning the motion of suction or discharge valves associated with cylinders of a reciprocating gas compressor, such as the large compressors used for natural gas...
US20090088942 VALVE ASSEMBLY FOR A TWO-STROKE ENGINE  
A two-stroke internal combustion engine is disclosed having first and second cylinders having respective exhaust ports. A valve assembly comprises at least one valve actuator. First and second...
US20140165936 DEVICE FOR ACTUATING A VALVE OF AN INTERNAL COMBUSTION ENGINE  
The invention relates to a cam actuator (2) for actuating at least one valve (3) slidably mounted in a mounting (1), the device comprising a tappet (8) which is to be mounted on a free end of a...
US20090178631 METHOD OF CONTROLLING AN ACTUATOR HAVING A MOVABLE MEMBER WITH POSITIONAL FEEDBACK CONTROL  
A valve actuator for a combustion engine has a movable member for collaborating with a stem of a valve, and an electromagnetic device with a permanent magnet associated with a resilient device for...
US20090288619 ELECTROMAGNETIC VALVE ACTUATOR AND VALVE GUIDE HAVING REDUCED TEMPERATURE SENSITIVITY  
An internal combustion engine includes an electromagnetic valve actuator having an armature between upper and lower electromagnets with a stem extending through one electromagnet and guided by a...
US20090101090 CONTROLLER OF VARIABLE VALVE ACTUATOR  
The present invention provides a variable valve mechanism control device that is capable of reducing the power consumption and rating of an electric motor by allowing camshaft rotary inertia...
US20090229547 ELECTROMOTIVE DEVICE FOR OPERATING GAS EXCHANGE VALVES  
The invention relates to an electromotive device for operating gas exchange valves on internal combustion engines, comprising a rotary actuator exerting forces on one or more valve stem ends of...
US20090205592 Fluid Control Valve and Valve Timing Control Apparatus  
To provide a fluid control valve capable of providing appropriate responsiveness of the valve member or capable of compensating for fluid shortage in the case of low fluid pressure, by positively...
US20080066713 Approach for Facilitating Engine Mode Transitions  
A method of transitioning a cylinder of an engine from a spark ignition mode to a homogeneous charge compression ignition mode, the cylinder having at least one electrically actuated intake valve...
US20080066701 METHOD FOR VALVE SEATING CONTROL FOR AN ELECTRO- HYDRAULIC ENGINE VALVE  
Valve lift in an internal combustion engine is controlled by an electro-hydraulic actuation mechanism including a selectively actuable hydraulic feedback circuit.
US20090205593 Flow adjusting valve for combustion gas  
A flow adjusting valve for combustion gas being provided with an air chamber between its air intake port and its air output port, the air chamber has an inlet connecting with the air intake port,...
US20090250021 FLUID CONTROL SYSTEMS EMPLOYING COMPLIANT ELECTROACTIVE MATERIALS  
The present invention includes fluid control systems employing compliant electroactive materials.
US20100024749 ENGINE ELECTRONIC VALVE ACTUATION  
A head assembly for an internal combustion engine includes an electromagnetic valve actuation system. The head has an intake or exhaust passage defined therein. A valve is disposed in the passage...
US20140245978 VALVE TIMING CONTROL SYSTEM OF INTERNAL COMBUSTION ENGINE  
In a valve timing control system of an internal combustion engine employing both an electric-motor-driven intake valve timing control device (VTC) and an electric-motor-driven exhaust VTC having...
US20100059004 OTTO-CYCLE INTERNAL COMBUSTION ENGINE  
An Otto cycle internal combustion engine (10) provided with a combustion chamber (14) and an inlet (18) and an outlet (20) with respective valves (24 and 26), and a suction passage (29) leading to...
US20090057587 Valve with magnetic sealing element made of foam  
A valve is described having an inlet, an outlet, a sealing element and a device to generate a magnetic field, whereby the sealing element can be moved at least partially by the device and whereby...
US20080163835 Interval Phasing for Valve Timing  
A system for communicating information between a valve controller and an engine controller is presented. The system is designed to improve the timing of data transferred between two controllers.
US20090090318 METHOD FOR CONTROLLING AIR-FUEL RATIO FOR AN ALTERNATING VALVE ENGINE  
A method for controlling the air-fuel ratio of an internal combustion engine operating with alternating intake valves is presented. According to the method, engine air-fuel ratio can be adjusted...
US20090151668 DEVICE FOR COUPLING VALVE ACTIVATING LEVERS OF AN INTERNAL COMBUSTION ENGINE  
Device for coupling two valve activating levers of an internal combustion engine with at least one carrier body (1) mounted on the internal combustion engine, wherein at least one hollow shaft (2)...
US20070028873 Electromagnetically driven valve and driving method of the same  
An electromagnetically driven valve includes a valve element that has a valve stem and moves in reciprocating motion in a direction in which the valve stem extends; a disc that is interlocked with...
US20080115748 Exhaust valve assembly with intermediate position  
An exhaust valve assembly includes a flapper valve that is mounted on a shaft for rotation within an exhaust component housing between a closed position, an intermediate position, and an open...
US20150144081 ENGINE VALVE DEACTIVATION SYSTEM  
A system and method comprising four valves per cylinder of a multi-cylinder engine is provided to control cylinder intake and exhaust valves independently from other cylinders in response to...
US20050229878 Electronic valve actuator  
Electromagnetic actuators are described for operating poppet valves in internal combustion engines.
US20050076893 Electronic timing system of automobile engine  
An electronic timing system, a substitution of traditional timing belt and the mechanical parts relating to timing belt, and of the type can control correct timing of automobile engine. It helps...
US20080283784 Electromagnetic Actuator With Permanent Magnets Which are Disposed in a V-Shaped Arrangement  
A method of controlling a valve actuator for a combustion engine, wherein the actuator has a movable member for collaborating with a stem of a valve, and a electromagnetic device with a permanent...
US20070068472 Variable Valve Operating System for an Internal Combustion Engine  
A variable valve operating system for an internal combustion engine that has a plurality of electromagnetic actuators for the intake and exhaust valves in a multi-cylinder engine. This engine does...
US20100089347 DUAL VARIABLE VALVE SOLENOID MODULE  
A solenoid valve module includes a first solenoid valve having a first solenoid portion and a first valve body and a second solenoid valve having a second solenoid portion and a second valve body....
US20130146002 ELECTRO-HYDRAULIC VARIABLE VALVE LIFT SYSTEM  
An electro-hydro valve lift system may include a drive cam, a pump piston, a first and a second EHV apparatus, a first oil control valve, a first oil control hydraulic line fluid-communicating the...
US20080245322 Valvetrain Control Arrangement  
A valvetrain control arrangement for an internal combustion engine. A fluid-working machine (1) has working chambers (3) of cyclically varying volume, each connected to a piston actuator (4) which...
US20080276889 Electromagnetic Actuator with Two Electromagnets Comprising Magnets Having Different Forces and Method of Controlling an Internal Combustion Engine Valve Using Same  
An electromagnetic actuator including an actuating member associated with an armature and able to move between two extreme positions under the action of an elastic member and two electromagnets...
US20090000580 Cylinder Head Of An Internal Combustion Engine Having An Electrohydraulic Valve Controller  
A cylinder head of an internal combustion engine having an electrohydraulic valve controller which includes a master unit (12), a slave unit (24), a hydraulic valve (4), a pressure relief space...
US20090120388 Electro-hydraulic hybrid camshaft phaser  
A hybrid camshaft phaser comprising a conventional vane-type hydraulically-actuated phaser to which is coupled an electric motor and gear transmission. The transmission output shaft is coupled to...

Matches 1 - 50 out of 135 1 2 3 >