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WO/2003/027449A1 |
The invention concerns a device for controlling the opening section (11) in an internal combustion engine combustion cylinder (10), comprising a two-way gas valve (51) including at least a mobile valve member (12) having a valve rod (13)...
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WO/2003/027451A1 |
The invention relates to an internal combustion engine that comprises an electrohydraulic valve control device (11) with a fluid reservoir (14) and a feed pump (14) fed by said fluid reservoir (14) for producing a feed volume for the val...
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WO/2003/025353A1 |
The present invention provides a means to reduce holding current and driving current of EMVD's effectively and practically and to provide soft landing of a valve . The invention incorporates a nonlinear mechanical transformer as part of ...
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WO/2003/025352A1 |
Direct injection engine with one valve per cylinder has electronically (programmed) controlled opening and closing of valves, in contrast to up to now known engine with distribution system and completely mechanical control. Injection of ...
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WO/2003/024736A1 |
The invention relates to a control device for an engine able to control at least one of an intake valve and an exhaust valve via a driving mechanism actuated without a torque from an output shaft of the engine, and a transmission connect...
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WO/2003/023196A1 |
The invention relates to an actuator for actuating a non-camshaft driven lift valve (12) of an internal combustion engine (10), which comprises a tappet (20) coupled to the lift valve (12) and driven by oscillation. On the outer peripher...
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WO/2003/023209A1 |
A control method for modulating the torque in an internal combustion engine with mechanical power transmission and with pneumatically, hydraulically or electromagnetically controllable valves that are open and closed based on signals fro...
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WO/2003/021754A1 |
A solenoid valve driver for making smooth and stabilizing the drive motion of a valve by inclining the outer core side facing a movable core inward so that the size of the movable core can be reduced, thereby reducing the weight of the m...
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WO/2003/021612A1 |
The invention relates to an electromagnetic regulating device comprising a mobile actuator (42), especially a piston, forming an engagement region (44) on the end side, and a coil device (34, 36) which is fixed in relation to the actuato...
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WO/2003/021755A1 |
A solenoid valve driver in which a movable core and a movable core coupling shaft can be integrated by allowing them to intersect perpendicularly rigidly and accurately by an extremely simple arrangement by integrating them by thermal ca...
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WO/2003/021183A1 |
A robust displacement sensor exhibiting excellent producibility and applicable to high speed operation, comprising a ferromagnetic member forming a magnetic path, a coil generating a magnetic field in the magnetic path by feeding a high ...
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WO/2003/021086A1 |
A method of operating an internal combustion engine having an ; electromagnetically driven intake valves for a vehicle. With the method, deviation of an opening operation of the electromagnetically driven intake valve in response to a co...
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WO/2003/018969A1 |
The invention relates to a simple and reliable connection which can be produced in an economical manner, between a shaft of a gas exchange valve and an actuator. Said connection is detachable and can thus be repeatedly made or separated....
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WO/2003/018979A1 |
The present invention relates to a high-speed controlling device (8), suitable for displacing a switching element (6) between two positions with very short switching times. Said device comprises two switchable electromagnets, between whi...
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WO/2003/018965A1 |
The invention relates to a valve mechanism with a variable valve opening diameter, whereby the valve mechanism is arranged at a passage opening of an internal combustion engine. Said mechanism comprises a gas exchange valve, to which the...
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WO2000020731A9 |
The invention concerns an electromagnetic actuator having a blade (22) made of ferromagnetic material fixed to the valve stem, springs provided to maintain the inoperative valve in a median position between completely open and closed pos...
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WO/2003/018968A1 |
The invention relates to a device for controlling gas exchange valves disposed in an internal combustion engine, respectively comprising a hydraulic valve regulator (11) associated with a gas exchange valve, a control piston (13) acting ...
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WO/2003/019582A1 |
The invention concerns an electromagnetic actuator comprising a stator structure (2) consisting of two ferromagnetic circuits (3, 4) provided with at least an electric excitation coil (5, 5A; 6, 6A) and between which is mounted mobile be...
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WO/2003/019003A1 |
The invention relates to a method for starting a multicylinder internal combustion engine which is not provided with camshafts. The admission valves are opened directly after the first TDC has been reached, in order to allow the combusti...
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WO/2003/016683A1 |
The invention relates to a rotary actuator device for controlling the stroke of a gas shuttle valve in the cylinder head of an internal combustion engine comprising a rotary oscillating motor (8) for driving a disk cam (6) with a cam pro...
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WO/2003/016682A1 |
The invention relates to an electrohydraulic valve control system (10) of an internal combustion engine, comprising at least one actuator (24) which acts on a gas exchange valve (38). Said actuator, in turn, comprises at least one workin...
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WO/2003/012263A1 |
The invention relates to a device for controlling the gas exchange valves of an internal combustion engine that have respective hydraulic valve adjusters (11) associated with one gas exchange each comprising an adjustment plunger (13) ac...
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WO/2003/010420A1 |
An internal combustion engine valve control apparatus capable of suppressing increase of the inertia mass of an engine valve and appropriately setting the valve closing timing according to the operation state, thereby improving the speci...
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WO/2003/008782A1 |
The invention relates to a drive mechanism for a motor vehicle, comprising a combustion engine and an integrated starter generator (21,22) which is also used for driving purposes. A valve drive mechanism is provided without a camshaft. T...
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WO/2003/008794A2 |
A method for controlling valve actuation comprises the steps of communicating at least one dithering signal to preload the valve. An event signal is then communicated. The dithering signal is altered based on the cycle time for the valve...
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WO/2003/008770A1 |
The invention relates to an electrohydraulic valve control (10), especially for controlling a gas exchange valve (12) in internal combustion engines, comprising a hydraulically actuated control valve (34), the control valve piston (36) t...
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WO/2003/007317A1 |
This invention relates to a method for solenoid control comprising the following steps:- providing a freewheel circuit comprising a solenoid (S), connected to a system power - supply (V) via a resistive shunt (Rs) and a freewheel diod (D...
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WO/2002/103174A1 |
Internal combustion engine, with cylinders' body (1) being an individual component, separate from the crankshaft base (29), thus enabling it to move and the cylinder head (3) of which features a common induction-exhaust valve (4) per cyl...
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WO/2002/102639A2 |
The invention relates to a method for operating a motor vehicle by means of a piston internal combustion engine comprising electromagnetic actuators for actuating the gas exchange valves and a motor control system for controlling the act...
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WO/2002/103729A2 |
The invention relates to a method for supplying power to a piece of electrical equipment (1) which operates using intensity peaks and which is connected to a voltage converter (4) by means of at least one capacitive element (5). The volt...
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WO/2002/095197A1 |
A diesel engine exhaust purifying device having a continuous regenerative type diesel particulate filter disposed in the exhaust passageway of the engine, comprising an intake shutter disposed in the intake passageway of the engine, an e...
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WO/2002/095195A1 |
The system consists of a pump (1) which brings the hydraulic liquid under pressure through a suitable line to the common supply line (7), wherefrom, controlled by a computer. It is passed though one way electromagnetic valves (9) and flo...
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WO/2002/093152A1 |
A method of determining the percentage of glycated hemoglobin in a blood sample is disclosed wherein at least one of the assay steps is performed electrochemically. The method includes determining the total amount of hemoglobin in a samp...
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WO/2002/092971A1 |
The invention relates to an electromagnetic control device for actuating a valve of an internal combustion engine. A locking system is provided in order to maintain the valve in at least one of its end positions and in at least one inter...
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WO/2002/090727A1 |
The present invention provides an apparatus and method for selective control of gas flow in a combustion chamber (70) in an internal combustion engine (10) through a moveable or retractable seat valve (300) that is independent of piston ...
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WO/2002/091401A1 |
The invention relates to an armature for an electromagnetic actuator, comprising a guide bolt which is connected to the armature plate (3), characterized in that the armature plate (3) is formed by a frame element (4) which is made of so...
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WO/2002/086297A1 |
The present invention relates to a method of operating a four-stroke internal combustion engine comprising the steps of: closing an exhaust valve (16) prior to the end of the exhaust stroke to trap combusted gases in a combustion chamber...
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WO/2002/084082A1 |
The inventive device controls a valve which can be displaced in a linear manner along the axis thereof between a closed position in which it comes to rest upon the seat thereof and an open position and which is provided with at least at ...
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WO/2002/081875A1 |
The invention relates to an internal combustion engine (10) comprising a hydraulic system (32) with a hydraulic pump (34). A lubrication system (14) is provided for the movable parts of the internal combustion engine (10) and has a lubri...
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WO/2002/081876A1 |
The invention relates to an electromagnetic actuator comprising an armature that can be displaced back and forth between two electromagnets, whereby the position or speed of the armature is usually determined by a displacement sensor and...
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WO/2002/079614A1 |
A valve gear device of an internal combustion engine capable of improving a fuel consumption by reducing a valve drive energy in a so-called camless valve drive system without a mechanical cam, comprising a pressure chamber (18) to recei...
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WO/2002/079612A1 |
The invention relates to a connection (42) between a stem end (22) of a gas exchange valve (1) in an internal combustion engine and a sleeve-shaped control piston (2) on a tappet (4), with at least two collets (44, 46), in the form of a ...
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WO/2002/077421A2 |
The invention relates to a hydraulic actuator for actuating a gas exchange valve (1) of an internal combustion engine, which valve is especially closed by the effect of a spring. Said actuator is configured by a feed pump (6) with interm...
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WO/2002/070882A1 |
The invention relates to a control arrangement and to a control method for an internal combustion engine that is operated with a cylinder with an inlet and an outlet valve with fully variable valve drive. The control arrangement accordin...
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WO/2002/066796A1 |
The invention relates to a gas exchange valve mechanism (10) for an internal combustion engine (14), especially the internal combustion engine of a motor vehicle, which comprises a hydraulic device (15). Said hydraulic device comprises a...
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WO/2002/066797A1 |
The invention relates to an electromagnetic valve gear of a gas exchange valve for an internal combustion engine. Said valve gear comprises an electromagnetic actuator and other electrical devices, such as a power element operating the a...
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WO/2002/064960A1 |
A driver of direct acting valve for internal combustion engine, comprising an intake valve (8) disposed slidably in the vicinity of the intake port (4) of an internal combustion engine (12) and opening/closing the intake port, an electro...
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WO/2002/061253A1 |
According to the invention an actuator is to carry out an action at a given crankshaft angle (KW ST). A control signal (S SG) for the actuator is thus to be activated at a given compensatory time period (T VH) before the given crankshaft...
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WO/2002/061780A1 |
Servo control using ferromagnetic core material (501,502) and electrical windings (506,507) is based upon monitoring of winding currents and voltages and inference of: magnetic flux, a force indication; and magnetic gap (503), a position...
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WO/2002/057609A1 |
A valve gear control device of an internal combustion engine controlling the opening and closing operations of exhaust valves (EV1, EV2) and first and second intake valves (IV1, IV2) installed in one cylinder (4), wherein an electromagne...
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