Engine Emissions Control System Green Engine Development

High Temperature application Linear Actuator with control system to regulate emissions in an internal combustion engine through variable valve opening and valve duration.

Fuel supply device

A fuel supply device includes: an injector that injects and supplies fuel to an engine; a pressure accumulator communicating with a cylinder of the engine through a communication passage; a valve that opens or closes the communication passage; and a controller that controls the injector and the valve. When the engine is rotated, an air-fuel mixture is compressed in the cylinder, and an accumulating portion of the controller accumulates the air-fuel mixture in the pressure accumulator. When the engine is restarted, a supplying portion of the controller supplies the air-fuel mixture accumulated in the pressure accumulator to the cylinder.

Electronic circuit comprising electrical connections resistant to a severe environment

The invention relates to an electromagnetic actuator comprising a housing ( 9 ) having several faces ( 20, 21 ) and an electronic control circuit ( 14 ) split into at least two parts ( 14 a , 14 b ) distributed over at least two adjacent faces ( 20, 21 ) of the housing ( 9 ), each part ( 14 a ) of the circuit comprising at least one metallic connector ( 25 a ) arranged so as to be connected electrically and mechanically with a metallic connector ( 25 b ) of another part of the circuit ( 14 b ) so as to form an electrical connection ( 24 ).

ELECTROMAGNETIC ACTUATOR

An electromagnetic actuator having at least one electromagnetic actuator unit, the actuator unit comprising a coil and a plunger, which plunger is axially movable relative to the coil via energization of the coil, and the actuator unit being arranged in a housing. In order to achieve a particularly simple design, the plunger is arranged approximately coaxially with the coil according to the invention. 1. An electromagnetic actuator with at least one electromagnetic actuator unit , the actuator unit having a coil and a plunger , which plunger can be moved axially relative to the coil by energizing the coil , wherein the actuator unit is arranged in a housing , wherein plunger is arranged approximately coaxially with coil.2. The electromagnetic actuator according to claim 1 , wherein at least two actuator units are provided claim 1 , plungers are arranged approximately coaxially with coils in all actuator units claim 1 , with all actuator units preferably arranged in a common housing.3. The electromagnetic actuator according to claim 1 , wherein plunger can move from an end position close to the core to an end position away from the core claim 1 , and plunger in end positions rests against stops.4. The electromagnetic actuator according to claim 1 , wherein a permanent magnet is arranged on the plunger.5. The electromagnetic actuator according to claim 4 , wherein coil is arranged around a core claim 4 , a permanent magnet being magnetically separated from the core in the axial direction only through an air gap.6. The electromagnetic actuator according to claim 1 , wherein an anchor element claim 1 , in particular an anchor plate claim 1 , is arranged on the plunger.7. The electromagnetic actuator according to claim 1 , wherein a permanent magnet and an armature element are arranged claim 1 , whereas the armature element protruding beyond permanent magnet in a plane perpendicular to a longitudinal axis of the actuator.8. The electromagnetic actuator according to claim ...

Variable travel valve apparatus for an internal combustion engine

An apparatus includes a valve and an actuator. The valve has a portion movably disposed within a valve pocket defined by a cylinder head of an engine. The valve is configured to move relative to the cylinder head a distance between a closed position and an opened position. The portion of the valve defines a flow opening that is in fluid communication with a cylinder of an engine when the valve is in the opened position. The actuator is configured to selectively vary the distance between the closed position and the opened position.

Fuel injection control device and fuel injection control method

A fuel injection control device includes an additional energization unit. Concerning an undershoot state caused by a first energization for fuel injection, a return period is an estimated period required for a movable core to return to an initial position from a first energization. An injection interval ranges from the first energization to a second energization that is for a next fuel injection. An allowable period is obtained by subtracting a rise period estimated for the second energization from the return period. The additional energization unit adds an additional energization between the first energization and the second energization when the injection interval is longer than or equal to the allowable period and is shorter than or equal to the return period.

VALVE DRIVE DEVICE WITH SWITCHOVER DEVICE

A valve drive device for actuating valves of an internal combustion engine a rocker arm device and a switchover device that includes at least two actuators for the at least one rocker arm device. The two actuators respectively include a switching element adjustable between a first position and a second position; a resetting device for resetting the switching element with a resetting force into the second position; a holding coil for offsetting the resetting force of the resetting device; a switching coil that counteracts the resetting force during operation. The switching coil and the holding coil adjust the switching element into the first position. 1. A valve drive device for actuating valves of an internal combustion engine , comprising:at least one rocker arm device that interacts with a camshaft, and during operation actuates at least one valve,a switchover device for switching over the at least one rocker arm device between a first position and a second position, the switchover device including at least two actuators for the at least one rocker arm device, a switching element for switching over the at least one rocker arm device between the first position and the second position, the switching element being adjustable between a first position and a second position,', 'a resetting device for resetting the switching element with a resetting force into the second position,', 'a holding coil for offsetting the resetting force of the resetting device,', 'a switching coil that counteracts the resetting force during operation, wherein the switching coil and the holding coil during operation adjust the switching element into the first position,, 'wherein the at least two actuators each includewherein the switchover device further includes a control unit for controlling the at least two actuators, the control unit for the respective switching coil of the at least two actuators comprises an associated switching coil output for individually activating the respective ...

METHOD AND DEVICE FOR ELECTRICALLY CONTROLLING A VALVE ACTUATOR IN AN INTERNAL COMBUSTION ENGINE

The present invention concerns a method for electrically controlling a valve actuator in a 2-stroke or 4-stroke engine, where the actuator comprises a first solenoid (A) with a plunger () and a second solenoid (B) with a plunger (), wherein the engine has at least one cylinder () with at least one freely controllable engine valve comprising a valve disc () with associated valve stem () and a valve spring () and where air is introduced, or exhaust gases are evacuated from, a combustion chamber () past a lower part the valve stem with the valve disc via at least one channel () in the cylinder, wherein the valve actuator is activatable to open the engine valve. The invention is characterized in that both the first and second solenoid are activated during opening of the engine valve. 1. A method for electrically controlling a valve actuator in a 2-stroke or 4-stroke combustion engine , where the actuator comprises a first solenoid with a first plunger and a second solenoid with a second plunger , wherein said solenoids are arranged in series with each other , wherein the engine has at least one cylinder with at least one freely controllable engine valve comprising a valve disc with an associated valve stem and a valve spring arranged to keep the engine valve closed , wherein air is introduced , or exhaust gases are evacuated from , a combustion chamber past a lower part of the valve stem with the valve disc via at least one channel in the cylinder , wherein the method comprises:activating the valve actuator to open the engine valve by overcoming the closing force of said valve spring, wherein activating the valve actuator comprises activating both the first and the second solenoid during opening of the engine valve.2. The method of claim 1 , wherein the first plunger of the first solenoid and the second plunger of the second solenoid together act on the valve stem during initial opening of the engine valve.3. The method of to claim 2 , wherein said first and second ...

Electromagnetic actuator and method of making same

Die Erfindung betrifft eine elektromagnetische Stellvorrichtung und ein Verfahren zu deren Herstellung, beispielsweise für eine variable Nockenwellensteuerung eines Verbrennungsmotors eines Kraftfahrzeuges, mit einer Spuleneinrichtung (4), im Wesentlichen bestehend aus einem Kern (5) aus einem magnetischen Material, der von einer Spule (6) umschlossen ist, und mit einem relativ zu der Spuleneinrichtung (4) beweglich angeordneten Stellelement (2) mit einem endseitig verschleißfest ausgebildeten Eingriffsbereich (3), bei der das Stellelement (2) über eine Bestromung der Spuleneinrichtung (4) mit einer Betätigungskraft beaufschlagbar ist, wobei an dem Stellelement (2) Permanentmagnetmittel (11) angeordnet sind, über die das Stellelement (2) in unbestromtem Zustand der Spuleneinrichtung (4) an der Spuleneinrichtung (4) magnetisch gehalten ist. Um die Stellvorrichtung so zu verbessern, dass sie einen sicheren und verschleißarmen Stellbetrieb ermöglicht und dennoch konstruktiv einfach und kostengünstig ist, sind Entkoppelungsmittel (20) vorgesehen, über die das Stellelement (2) zumindest im Eingriffsbereich (3) von den Permanentmagnetmitteln (11) magnetisch entkoppelt ist. The invention relates to an electromagnetic actuating device and a method for the production thereof, for example for a variable camshaft control of an internal combustion engine of a motor vehicle, comprising a coil device (4) essentially consisting of a core (5) made of a magnetic material which is driven by a coil (6 ) is enclosed, and with a relative to the coil means (4) movably arranged adjusting element (2) with an end wear-trained engaging portion (3), wherein the actuating element (2) via an energization of the coil means (4) can be acted upon by an actuating force , Wherein on the adjusting element (2) permanent magnet means (11) are arranged, via which the adjusting element (2) in the de-energized state of the coil means (4) on the coil means (4) is magnetically held. In order to improve the ...

Valve timing control device for use in internal combustion engine

A valve timing control device includes a rotatable shaft, a housing including a timing wheel axially immovable but angularly movable with respect to the timing wheel, a piston disposed coaxially with the rotatable shaft and the timing wheel, a hydraulic chamber for applying a hydraulic pressure to move the piston axially, a servovalve disposed between the hydraulic pressure chamber and hydraulic pressure supply and release passages and comprising a sleeve and a spool, an actuator for axially moving the spool, and a phase adjusting mechanism operatively coupling the piston, the housing, and the rotatable shaft for varying angular relationship between the timing wheel and the rotatable shaft in response to axial movement of the piston. The actuator may be a hydraulic actuator or an electric actuator. The phase adjusting mechanism may comprise roller pins mounted on the piston and rollingly fitted in a guide groove defined in the rotatable shaft and a guide slot defined in the housing, or meshing helical teeth on the piston, the housing, and the rotatable shaft.

Solenoid cassette pump with servo controlled volume detection

Servo controlled solenoids provide actuation of a pump piston and valves, and electronic LC resonance measurements to determine liquid volume and gas bubble volume. Third order nonlinear servo control is split into nested control loops: a fast nonlinear first-order inner loop causing flux to track a target by varying a voltage output, and a slower almost linear second-order outer loop causing magnetic gap to track a target by controlling the flux target or the inner loop. The inner loop uses efficient switching regulation, preferably based on controlled feedback instabilities, to control voltage output. The outer loop achieves damping and accurate convergence using proportional, time-integral, and time-derivative gain terms. The time-integral feedback may be based on measured and target solenoid drive currents, adjusting the magnetic gap for force balance at the target current.

Valve driving device of internal combustion engine

System and method for servo control of nonlinear electromagnetic actuators

Servo control using ferromagnetic core material and electrical windings is based on monitoring of winding currents and voltages and inference of: magnetic flux, a force indication; and magnetic gap, a position indication. Third order nonlinear servo control is split into nested control loops: a fast nonlinear first-order inner loop causing flux to track a target by varying a voltage output; and a slower almost linear second-order outer loop causing magnetic gap to track a target by controlling the flux target of the inner loop. The inner loop uses efficient switching regulation, preferably based on controlled feedback instabilities, to control voltage output. The outer loop achieves damping and accurate convergence using proportional, time-integral, and time-derivative gain terms. The time-integral feedback may be based on measured and target solenoid drive currents, adjusting the magnetic gap for force balance at the target current. Incorporation of permanent magnet material permits the target current to be zero, achieving levitation with low power, including for a monorail deriving propulsion from the levitation magnets. Linear magnetic approximations lead to the simplest controller, but nonlinear analog computation in the log domain yields a better controller with relatively few parts. When servo controlled solenoids provide actuation of a pump piston and valves, electronic LC resonance measurements determine liquid volume and gas bubble volume.

Variable valve timing apparatus

상부 하우징 및 하부 하우징; 상기 상부 하우징 내에 고정 배치되는 상부 코일; 상기 하부 하우징 내에 고정 배치되는 하부 코일; 상기 상부 코일 및 하부 코일을 관통하여 배치되는 영구자석; 상기 영구자석의 하부에 밸브 스템이 배치되는 밸브; 상기 영구자석의 상부에 배치되는 상부 플레이트; 및 상기 영구자석의 하부에 배치되는 하부 플레이트;를 포함하는 것을 특징으로 하는 엔진의 가변 밸브 장치를 제공한다. Upper and lower housings; An upper coil fixedly disposed in the upper housing; A lower coil fixedly disposed in the lower housing; A permanent magnet disposed through the upper coil and the lower coil; A valve in which a valve stem is disposed below the permanent magnet; An upper plate disposed above the permanent magnet; And a lower plate disposed under the permanent magnet. 가변 밸브, 리프트, 타이밍, 터보차저, 영구자석 Variable Valve, Lift, Timing, Turbocharger, Permanent Magnet

Electromagnetic Control booster-type air distribution system

本发明的目的在于提供电磁控制增压式配气系统，包括液压油轨、电磁控制部分、气门体、油箱等。本发明采用液压油轨显著降低了系统内压力波动引起的气门开启和关闭不稳定性，确保了配气系统工作的可靠性及一致性；通过电磁控制部分通断电控制控制阀开启和关闭液压油路，利用增压活塞对增压腔内液压油进行增压，从而实现气门与通气口间的通断，能有效控制配气定时及配气持续角，有利于内燃机不同工况下灵活配气方式的实现，显著提高了气门控制自由度，能进一步改善燃料的经济性和内燃机排放，有利于提高内燃机的动力性能。

Solenoid-driven valve

【課題】静粛性の向上が図られる電磁駆動弁を提供する。 【解決手段】電磁駆動弁は、バルブを駆動させるディスク２１と、電磁石５１ｍとを備える。ディスク２１は、第１部位２６と第２部位２７および２８とを含む。電磁石５１ｍは、ディスク２１に対向して配置され、ディスク２１を引き寄せるコア部５２を含む。電磁石５１ｍは、コア部５２とディスク２１とを通る磁束流れを形成し、ディスク２１に電磁力を作用させる。ディスク２１には、第２部位２７および２８における磁路面積が第１部位２６における磁路面積よりも小さくなるように切り欠きが形成されている。切り欠きが形成されないディスクを想定した場合に、ディスクに形成される磁束流れは、第１部位２６で相対的に大きい磁束密度を有し、第２部位２７および２８で相対的に小さい磁束密度を有する。 【選択図】図４

Device comprising two relatively reciprocable components

1341112 Hot gas engines; compressors PHILIPS GLOEILAMPENFABRIEKEN NV 5 Jan 1971 [8 Jan 1970] 441/71 Headings F1S, F1N (Also in Division F2] A seal between a relatively reciprocable rod and a surrounding element, such as in a compressor, a piston expansion machine or in a hot-gas engine in which a displacer rod 10 is reciprocable within a piston rod 9, comprises a liquid-supported rolling diaphragm 11, which separates a gas space 4 from the liquid space 12 and a pumping ring 15 for supplying the liquid to the liquid space, a sleeve 20 being sealed at 21 and fixed at 24 to the piston rod and provided at its end remote from the gas space with a wall 25 which surrounds the pumping ring and is connected thereto by a wire or ribbon 28 fitted within co-operating grooves 19, 26 via a radial aperture 27 in the wall. The piston 2 is also sealed to the cylinder 1 by a diaphragm 13, the liquid-supporting spaces 12, 14 being in communication with each other. The pumping ring 15 operates as disclosed in Specification 966,561 and consists of a sleeve 17, the upper end of which is pressed against the displacer rod by a resilient ring 18. In operation the pumping ring pump, lubricating oil to the spaces 12, 14 and serves as a seal to prevent the return of liquid from the spaces 12, 14 to the crankcase. A control device 16 removes oil from the spaces 12, 14 and ensures a constant pressure differential across the diaphragms 11, 13. To remove the pumping ring, the diaphragm 11 and screws 24 are detached to allow withdrawal of the sleeve, the wire coupling 28 then being removed through the aperture 27 to release the ring.

ELECTROMAGNETIC ACTUATION DEVICE

DEVICE WITH AN ELECTROMAGNETIC ACTUATOR

L'invention concerne un dispositif avec un actionneur électromagnétique pour la commande d'un organe de réglage, en particulier une soupape de changement des gaz d'un moteur à combustion interne, comprenant une unité électromagnétique, grâce à laquelle un induit, logé de manière mobile, peut être déplacé avec l'organe de réglage avec lequel il coopère et avec un dispositif de mesure qui comprend au moins un élément de mesure inductif pour au moins déterminer la position de l'induit et, plus particulièrement, un mécanisme à ressorts agissant sur l'organe de réglage.Il est prévu qu'au moins un élément de mesure inductif (10) soit fixé solidement à l'induit (12). The invention relates to a device with an electromagnetic actuator for controlling a regulating member, in particular a gas change valve of an internal combustion engine, comprising an electromagnetic unit, by means of which an armature, housed so mobile, can be moved with the adjusting member with which it cooperates and with a measuring device which comprises at least one inductive measuring element to at least determine the position of the armature and, more particularly, a spring mechanism acting on the adjuster. It is provided that at least one inductive measuring element (10) is securely fixed to the armature (12).

SYSTEM FOR ACTUATING AN INTERNAL COMBUSTION ENGINE VALVE

Système (18) d'actionnement d'une soupape (9, 10) de moteur (2) à combustion interne, ce système (18) comprenant un actionneur (19) électromagnétique et un dispositif (20) de commande pilotant l'actionneur (19), cet actionneur (19) comprenant : - un aimant générant un champ magnétique ; - une bobine plongée dans le champ magnétique raccordée électriquement au dispositif (20) de commande ; le dispositif (20) de commande pouvant fonctionner selon deux configurations : - une configuration active dans laquelle le dispositif (20) alimente électriquement la bobine pour procurer une accélération à la soupape (9, 10) ; - une configuration passive dans laquelle le dispositif (20) n'alimente pas électriquement la bobine pour procurer une décélération à la soupape (9, 10), et recueille une énergie électrique induite par la bobine ; la bobine étant solidaire de la soupape (9, 10) et l'aimant étant fixe par rapport à la culasse (13). A system (18) for operating an internal combustion engine valve (9, 10), said system (18) comprising an electromagnetic actuator (19) and a control device (20) controlling the actuator ( 19), said actuator (19) comprising: a magnet generating a magnetic field; a coil immersed in the magnetic field electrically connected to the control device (20); the control device (20) operable in two configurations: - an active configuration in which the device (20) electrically supplies the coil to provide acceleration to the valve (9, 10); - a passive configuration in which the device (20) does not electrically feed the coil to provide deceleration to the valve (9, 10), and collects electrical energy induced by the coil; the coil being integral with the valve (9, 10) and the magnet being fixed relative to the cylinder head (13).

ELECTROMAGNETIC ACTUATOR FOR INTERNAL COMBUSTION ENGINE VALVE

L'invention concerne un actionneur électromagnétique pour soupape de moteur qui comprend : -Une armature incluant : Des moyens pour générer un champ magnétique empilés avec une première pièce ferromagnétique (23a, 23b) comprenant un alésage traversant, Un noyau (24, 26) cylindrique logé dans l'alésage et délimitant avec l'alésage un entrefer (25, 27), -Un équipage (20, 21) mobile incluant une carcasse (33, 33') munie d'un corps (36, 36') tubulaire, un bobinage (34, 35 ; 34', 35') enroulé sur le corps (36, 36') tubulaire et adapté pour entrainer l'équipage mobile lorsqu'il est traversé par un courant électrique (Im1, Im2), Le corps tubulaire (36, 36') étant disposé dans l'entrefer (25, 27), caractérisé en ce que les moyens pour générer un champ magnétique sont constitués par un bobinage annulaire (22) comprenant un évidement central, cet évidement central coopérant avec l'alésage pour délimiter l'entrefer (25, 27). The invention relates to an electromagnetic actuator for an engine valve which comprises: - an armature including: means for generating a magnetic field stacked with a first ferromagnetic part (23a, 23b) comprising a through bore, a cylindrical core (24, 26) housed in the bore and delimiting with the bore a gap (25, 27), -a crew (20, 21) movable including a carcass (33, 33 ') provided with a body (36, 36') tubular, a winding (34, 35; 34 ', 35') wound on the tubular body (36, 36 ') and adapted to drive the moving equipment when an electric current passes through it (Im1, Im2), The tubular body (36, 36 ') being disposed in the air gap (25, 27), characterized in that the means for generating a magnetic field are constituted by an annular winding (22) comprising a central recess, this central recess cooperating with the bore to delimit the gap (25, 27).

ELECTROMECHANICAL VALVE CONTROL ACTUATOR FOR INTERNAL COMBUSTION ENGINE

DEVICE FOR ACTUATING AN ELECTRONIC VALVE

Device for electromagnetically actuating internal combustion engine valves, with a torque-varying effect, and its use

The invention relates to a device making it possible to actuate the valves of an internal combustion engine by means of electromagnets, triggered by a rotary pulse generator. The pulse generator is composed of a casing made of an insulating material, fitted with angular position sensors 2. Inside the casing a rotor composed of a set of discs equal in number to the number of valves is connected to the drive shaft, by means of the spindle. Each disc of the rotor is fitted, at its perimeter, with a number of induction signals corresponding to the open and closed periods of each of the valves. These signals, by changing the open and closed periods of the valves during operation, have the effect of shifting the drive torque, and matching it to the available power according to the load required, for each of the speeds in question. The device, according to the invention, makes up for the imperfections of entirely mechanical actuators to which the movement of the valves is linked in an unvariable manner.

ELECTROMAGNETIC LINEAR VALVE ACTUATOR COMPRISING A SINGLE COIL

METHOD AND SYSTEM FOR CONTROLLING AN ELECTROMAGNETIC VALVE ACTUATOR OF A THERMAL MOTOR

Patent FR2075336A5

ELECTROMAGNETIC ACTUATOR FOR ACTUATING A POSITIONING MEMBER

Actionneur électromagnétique pour l'actionnement d'un organe de positionnement, qui comprend au moins un électroaimant agencé dans un boîtier, ledit électroaimant agissant sur une armature (5) constituée essentiellement de tôles (8) orientées vers ledit organe de positionnement. Pour perfectionner l'actionneur, on prévoit qu'au moins une tôle (8a, 8b) de l'armature (5) comporte au moins une ouverture traversante (9a à 9d) qui forme un canal (10) pour le transport d'un fluide. L'invention s'applique en particulier à des actionneurs pour des soupapes d'échange de gaz dans des moteurs à combustion interne. Electromagnetic actuator for actuating a positioning member, which comprises at least one electromagnet arranged in a housing, said electromagnet acting on a frame (5) essentially consisting of sheets (8) oriented towards said positioning member. To improve the actuator, it is provided that at least one sheet (8a, 8b) of the frame (5) has at least one through opening (9a to 9d) which forms a channel (10) for transporting a fluid. The invention applies in particular to actuators for gas exchange valves in internal combustion engines.

METHOD AND CONTROL DEVICE OF AN ELECTRO-MAGNET ACTUATOR

Un montage de commande d'un actionneur à électroaimant comprenant, un interrupteur du côté haut et un interrupteur du côté bas, un capteur pour déterminer une intensité du courant passant dans l'actionneur, un système de commande en circuit fermé, pour commander le courant passant dans l'actionneur, dans lequel l'intensité du courant est commandée en fonction de l'intensité du courant mesurée par le capteur, un circuit sensible à un signal du capteur et configuré pour régler une durée d'une phase de verrouillage.

METHOD AND SYSTEM FOR CONTROLLING AN ELECTROMAGNETIC VALVE ACTUATOR OF A THERMAL MOTOR

L'invention porte principalement sur un procédé de contrôle d'un actionneur électromagnétique (9) de soupape de moteur thermique dépourvu de ressort de compression, caractérisé en ce que ledit procédé comporte: - une étape de calcul d'une consigne de position (Zref(k)) suivant un profil paramétrable adapté au fonctionnement dudit moteur thermique à partir d'un angle de vilebrequin, - une étape de calcul d'une pré-commande (PRE) à partir notamment de ladite consigne de position (Zref(k)) et d'une pression mesurée à ladite soupape, - une étape de calcul d'un terme de régulation sur l'écart entre ladite consigne de position (Zref(k)) et une position mesurée (Zmes(k)), - une étape de calcul d'une commande dudit actionneur (9) à partir de la somme de ladite pré-commande (PRE) et dudit terme de régulation, et - une étape de pilotage dudit actionneur (9) à partir de la commande calculée.

Internal combustion (IC) engine inlet/outlet valve electromagnetic drive having flexible return with tongue section pivoting about axis and movement valve rod plane transformed.

The electromagnetic drive mechanism has a flexible return section to move the valve (2) between an opening and closed position. The flexible return is made up of tongue sections (112,113) pivoting about an axis (E,F) which act on the valve spoke (3) transforming movements to the valve movement plane.

CONTROL MECHANISM FOR DRIVING A MOBILE WORKPIECE, IN PARTICULAR AN INTERNAL COMBUSTION ENGINE FUEL VALVE

L'INVENTION CONCERNE UN MECANISME DE COMMANDE POUR L'ENTRAINEMENT D'UNE PIECE MOBILE, EN PARTICULIER D'UNE SOUPAPE CHAMPIGNON DE MOTEUR A COMBUSTION INTERNE. CE MECANISME COMPREND UN DISPOSITIF A LEVIER COMPORTANT UN LEVIER 22 PIVOTANT A L'UNE DE SES EXTREMITES, POUR ETRE ASSOCIE A L'ELEMENT MOBILE, L'ELEMENT DE SORTIE 20 POUVANT ETRE RELIE FONCTIONNELLEMENT AU LEVIER 22 AU VOISINAGE DE SON AXE DE PIVOTEMENT; UN SECOND LEVIER 26, DES MOYENS DE PIVOTEMENT DU LEVIER 26 AU VOISINAGE DE L'UNE DE SES EXTREMITES; L'AUTRE EXTREMITE DU LEVIER 26 POUVANT ETRE RELIEE FONCTIONNELLEMENT A L'ELEMENT DE SORTIE 20; DES MOYENS SERVANT A TRANSMETTRE LE MOUVEMENT ENTRE CES LEVIERS AU COURS D'UN DEPLACEMENT DE L'ELEMENT DE SORTIE 20. THE INVENTION RELATES TO A CONTROL MECHANISM FOR DRIVING A MOVABLE PART, IN PARTICULAR A MUSHROOM VALVE OF AN INTERNAL COMBUSTION ENGINE. THIS MECHANISM INCLUDES A LEVER DEVICE INCLUDING A LEVER 22 SWIVELING AT ONE OF ITS ENDS, TO BE ASSOCIATED WITH THE MOBILE ELEMENT, THE OUTPUT ELEMENT 20 CAN BE FUNCTIONALLY CONNECTED TO THE LEVER 22 IN THE NEARBY OF ITS PIVOTING AXIS; A SECOND LEVER 26, OF THE PIVOTING MEANS OF THE LEVER 26 IN THE VICINITY OF ONE OF ITS ENDS; THE OTHER END OF THE LEVER 26 CAN BE FUNCTIONALLY CONNECTED TO THE OUTPUT ELEMENT 20; MEANS SERVING TO TRANSMIT MOVEMENT BETWEEN THESE LEVERS DURING A MOVEMENT OF THE OUTPUT ELEMENT 20.

ELECTROMECHANICAL VALVE ACTUATOR

La présente invention concerne un actionneur de soupape électromécanique compact qui permet que les soupapes électromécaniques soient généralement situées à proximité immédiate les unes des autres, en réduisant ainsi les exigences globales en espace de conditionnement.L'actionneur de soupape électromécanique comprend un électroaimant de soupape (72) présentant un périmètre d'électroaimant de soupape extérieur et une soupape (20), ledit périmètre d'électroaimant de soupape extérieur étant étendu vers ladite soupape (20), et ladite soupape (20) est en grande partie à l'intérieur dudit périmètre d'électroaimant de soupape extérieur étendu. The present invention relates to a compact electromechanical valve actuator that allows the electromechanical valves to be generally in close proximity to one another, thereby reducing the overall requirements for conditioning space.The electromechanical valve actuator comprises a valve electromagnet ( 72) having an outer valve electromagnet perimeter and a valve (20), said outer valve electromagnet perimeter being extended toward said valve (20), and said valve (20) is substantially within said valve (20); extended outer solenoid valve perimeter.

Internal combustion engine valve linear electromagnetic driver having upper/lower branch magnetic circuit with magnetic coil drive valve section between upper/lower magnetic gap.

The linear electromagnetic driver drives an internal combustion engine valve (12) with an electromagnetic coil (18). The magnetic circuit (16) has a principal section (20) and a lower open branch (24) providing an upper and lower magnetic gap. Driving the electromagnetic coil moves the mobile valve and pulls it between the upper and lower magnetic gaps.

ELECTROMECHANICAL VALVE ACTUATOR DAMPER

La présente invention concerne un amortisseur de début de course d'un actionneur de soupape électromécanique (10) pour amortir l'impact entre la tige d'armature et la tige de soupape lorsque la soupape est ouverte. L'amortisseur de début de course comprend une tige d'armature (34) définissant un passage de tige (42) et une tige de soupape (24) comprenant un compensateur de jeu (52) définissant une cavité (87) en communication avec le passage de tige (42). Une poche d'huile peut être formée à l'intérieur de la cavité pour absorber l'impact de la tige d'armature avant que la tige d'armature n'entre en contact avec la tige de soupape lorsque la soupape est ouverte. Le compensateur de jeu est configuré de manière à ce que la cavité (87) présente un débit de rejet suffisant pour assurer que la cavité se vide complètement approximativement au moment où la soupape du moteur atteint la position complètement ouverte. The present invention relates to a start damper of an electromechanical valve actuator (10) for damping the impact between the armature rod and the valve stem when the valve is open. The start-stop damper includes an armature rod (34) defining a stem passage (42) and a valve stem (24) comprising a clearance compensator (52) defining a cavity (87) in communication with the rod passage (42). An oil pocket may be formed within the cavity to absorb the impact of the armature rod before the armature rod contacts the valve stem when the valve is open. The play compensator is configured such that the cavity (87) has a sufficient reject flow rate to ensure that the cavity empties completely approximately when the engine valve reaches the fully open position.

MOTOR MUSHROOM VALVE CONTROL MECHANISM

L'invention concerne un mécanisme de commande d'une soupape champignon de moteur. II est caractérisé par le fait qu'il comprend une biellette pivotante disposée de manière à s'appliquer contre la tige de la soupape, un dispositif électromagnetique comprenant un enroulement dans lequel on envoie du courant électrique pour ouvrir la soupape associée, un organe qui vient occuper une position sortie lorsque cet enroulement est exicté et des moyens de stockage d'énergie installés entre ledit organe et ladite biellette, tel que, lorsque l'enroulement est excité, ledit organe se déplace à ladite position sortie, le déplacement étant assuré, au moins en partie, par l'énergie emmagasinée. L'invention s'applique aux moteurs à combustion. The invention relates to a control mechanism for an engine mushroom valve. It is characterized in that it comprises a pivoting link arranged so as to be applied against the valve stem, an electromagnetic device comprising a winding in which electric current is sent to open the associated valve, a member which comes occupy an extended position when this winding is exict and energy storage means installed between said member and said rod, such that, when the winding is energized, said member moves to said extended position, movement being ensured, at less in part, by the stored energy. The invention applies to combustion engines.

Electromechanical valve actuator beginning of stroke damper

An electromechanical valve actuator having a beginning of stroke damper to damp the impact between the armature stem and the valve stem as the valve is opened. The beginning of stroke damper includes an armature stem defining a stem passage and a valve stem including a lash compensator defining a cavity communicating with the stem passage. An oil pocket may be provided within the cavity to absorb the impact of the armature stem before the armature stem contacts the valve stem as the valve is opened. The lash compensator is configured so that the cavity has a discharge rate sufficient to ensure that the cavity completely drains at approximately the time the engine valve reaches the full open position.

SOLENOID

L'électroaimant 40 comprend une partie de bobine du côté ouverture de soupape (42p) alimentée en courant pour générer de cette manière un premier flux magnétique et générer une force électromagnétique dans une direction déplaçant l'élément mobile du côté ouverture de soupape (21) vers une position d'ouverture de soupape, et une partie de bobine du côté fermeture de soupape (42q) alimentée en courant pour générer de cette manière un second flux magnétique et générer une force électromagnétique dans une direction déplaçant l'élément mobile du côté fermeture de soupape (31) vers la position de fermeture de soupape. La partie de bobine du côté ouverture de soupape (42p) et la partie de bobine du côté fermeture de soupape (42q) sont constituées d'une connexion identique. L'électroaimant (40) comporte en outre une sous-bobine (43) constituée d'une connexion séparée à partir de la partie de bobine du côté ouverture de soupape (42p) et de la partie de bobine du côté fermeture de soupape (42q). Grâce à l'alimentation en courant vers la sous-bobine (43), un troisième flux magnétique diminuant au moins l'un du premier flux magnétique et du second flux magnétique est généré. The electromagnet 40 comprises a current-fed valve-opening coil portion (42p) for thereby generating a first magnetic flux and generating an electromagnetic force in a direction displacing the valve-opening member movable member (21). to a valve open position, and a valve closure side coil portion (42q) supplied with current to thereby generate a second magnetic flux and generate an electromagnetic force in a direction displacing the closure side movable member. valve (31) to the valve closing position. The valve-opening-side coil portion (42p) and the valve-closure-side coil portion (42q) consist of an identical connection. The electromagnet (40) further includes a sub-coil (43) consisting of a separate connection from the valve-opening-side coil portion (42p) and the ...

SOLENOID

Une électrovanne comprend un premier noyau et un second noyau l'un en face de l'autre, et deux bobinages électromagnétiques chacun enroulés autour de l'un des noyaux. Une armature est positionnée entre le premier noyau et le second noyau. Une tige d'armature s'étend depuis l'armature pour traverser le second noyau. Un élément de vanne est positionné au niveau d'un côté opposé de la tige d'armature à partir de l'armature. Un guide de tige d'armature est disposé sur un côté de l'armature qui correspond à l'élément de vanne. Le guide de tige d'armature s'étend à partir du second noyau en direction de l'élément de vanne. La tige d'armature s'étend à travers le guide de tige d'armature et est supportée par celui-ci. De ce fait, la dimension d'une électrovanne le long de l'axe de vanne est réduite. A solenoid valve comprises a first core and a second core facing each other, and two electromagnetic coils each wrapped around one of the cores. An armature is positioned between the first core and the second core. An armature rod extends from the armature to traverse the second core. A valve member is positioned at an opposite side of the armature rod from the armature. An armature rod guide is disposed on one side of the armature that corresponds to the valve member. The reinforcement rod guide extends from the second core toward the valve member. The reinforcing rod extends through the reinforcing rod guide and is supported by it. As a result, the size of a solenoid valve along the valve axis is reduced.

Gas exchange valve for a valve-controlled internal combustion engine

Electromagnetic control device

The invention relates to an electromagnetic control device comprising at least one electromagnet and a displaceably mounted armature which can move back and forth between pole faces by electromagnetic force. Said armature is kept in an intermediate position without activation of the winding of the at least one electromagnet by two opposing spring forces. Once the armature reaches an end position it remains close to the pole faces of the electromagnet by a lower magnetic force. At least one of the electromagnets has a divided winding which can be mounted in various circuits.

System and method for servo control of nonlinear electromagnetic actuators

Actuating device for actuating valve e.g. exhaust valve, of thermal engine of vehicle, has lever arm cooperating with actuating rod and valve, where longitudinal axis of rod and longitudinal axis of valve are offset

The device (100) has an electromagnetic actuator (113) intended to move an inlet valve (4) or an exhaust valve (5) in translation by an actuating rod (114), where a longitudinal axis of the rod and a longitudinal axis of the valve are offset. A lever arm (117) is pivotally mounted about an axis of rotation (120), where the arm cooperates with the rod and the valve, so that a translation movement of the rod causes a translational movement of the valve. The axis of rotation is perpendicular to a plane in which the actuating rod and the valve fit.

VALVE ARRANGEMENT FOR A VALVE CONTROLLED COMBUSTION ENGINE

System for electromagnetic actuation of valves for an internal combustion engine

The invention relates to a system (18) for actuating valves (9, 10) for an internal combustion engine (2) including a first valve and a second valve (9, 10) actuated by a first electromagnetic actuator and a second electromagnetic actuator (19), respectively, each electromagnetic actuator (19) including a magnet (22) generating a magnetic field and a coil (23) supplied with electricity and immersed in said field, the electric power supply of each coil (23) making it possible to manage, alternately, acceleration and deceleration phases of each valve (9, 10), said system (18) including a control device (20) configured such as to transmit induced electric energy generated by the coil of the first (19) electromagnetic actuator towards the coil (23) of the second electromagnetic actuator (19) during a deceleration phase of the first valve (9, 10) and an acceleration phase of the second valve (9, 10), such as to use said electric energy for the acceleration phase of the second valve (9, 10).

Electromagnetic actuator

Ein Permanentmagnet (40) ist magnetisiert, sodass beide Enden desselben in der axialen Richtung bei einem proximalen Endteil (61) eines Ausgangsstifts (60) unterschiedliche Polaritäten haben. Eine vordere Platte (45) hat einen größeren äußeren Durchmesser als ein äußerer Durchmesser des Permanentmagneten (40). Die vordere Platte (45) ist auf der distalen Endseite des Permanentmagneten (40) an den Permanentmagnet (40) gefügt. Die vordere Platte (45) weist einen Durchmessererhöhungsteil (461, 471, 481), dessen äußerer Durchmesser sich von der proximalen Endseite hin zu der distalen Endseite erhöht, in mindestens einem Teil einer äußeren peripheren Wand (46, 47, 48) der vorderen Platte (45) in der Umfangsrichtung derselben auf. Ein Stator (32) ist an der proximalen Endseite des Permanentmagneten (40) vorgesehen. Eine Spule (31) erzeugt in einer zu einem magnetischen Feld des Permanentmagneten (40) entgegengesetzten Richtung ein magnetisches Feld, wenn dieselbe erregt ist, und erzeugt zwischen dem Stator (32) und dem Permanentmagnet (40) eine abstoßende Kraft. Ein Joch (35) weist eine innere periphere Wand (36), die der äußeren peripheren Wand (46, 47, 48) gegenüberliegt, auf. Das Joch (35) bildet durch den Stator (32) und die vordere Platte (45) eine magnetische Schaltung. A permanent magnet (40) is magnetized so that both ends thereof have different polarities in the axial direction at a proximal end part (61) of an output pin (60). A front plate (45) has a larger outer diameter than an outer diameter of the permanent magnet (40). The front plate (45) is joined to the permanent magnet (40) on the distal end side of the permanent magnet (40). The front plate (45) has a diameter increasing part (461, 471, 481) whose outer diameter increases from the proximal end side toward the distal end side in at least part of an outer peripheral wall (46, 47, 48) of the front plate (45) in the circumferential direction thereof. A stator (32) is provided on the proximal end side of ...

Electromagnetically driven valve and driving method of the same

An electromagnetically driven valve includes a valve element (14) that has a valve stem (12) and moves in reciprocating motion in a direction in which the valve stem (12) extends; a disc (30) that is interlocked with the valve element (14) at a driving end (32), extending to a pivoting end (33), from which a central axis (35) extends and around which the disc (30) oscillates; a coil (62) that oscillates the disc (30); a power supply (200) that supplies electric current to the coil (62); and an ECU (100) that controls the flow of current from the power supply (200) to the coil (62). A permanent magnet (300) is located on the outer side of the oscillating member, apart from the cores (61,161). During the initial period of operation of the disc, the ECU (100) controls the current so that it is supplied from the power supply (200) to the coil (62) in cycles, and in accordance with the voltage and temperature, controls the number of current cycles, the cycle length, and the value of the current.

Valve drive for a gas exchange valve

The invention relates to a valve drive for a gas exchange valve (11) in an engine or a machine, said drive comprising a magnetic armature (12) that extends in a longitudinally displaceable manner inside a stator (1) provided with a current coil (23), with a preferably hollow cylindrical section thereof located at a distance from the gas exchange valve (11), in such a way that an end of the armature (12) protruding from the stator (1) actuates the gas exchange valve (11) when the current coil (23) is excited. The armature (12) and the stator (1) together form an independently operable, preferably functionally pre-testable module that is detachably connected to the gas exchange valve (11).

Electromagnetic actuator and control

An electromagnetic actuator (8) includes a stator assembly (12) mounted to a center pole (28) formed of material having high magnetic permeability and functions as a return path for the magnetic field generated when current is passed through coils (20,22) in the stator assembly. When current is applied to one or more coils within the stator assembly, a magnetic field is generated that interacts with a magnetic field generated by one or more magnets (32,34) disposed within the armature assembly (14) and causes the armature to move relative to the center pole thus, for example, opening or closing a valve.

Valve drive for a valve-controlled internal combustion engine

Damping electromechanical valve actuators

An electromechanical valve actuator for the intake or exhaust valves of i.c. engines has a beginning-of-stroke damper to soften the impact between the armature stem 34 and the valve stem 24 as the valve is opened. A fluid cavity 87, eg partially formed by a lash compensator 52, may be provided between the stems 24,34. Fluid is supplied to the cavity 87, eg past a ball check valve (66, fig.3) and through a passage 62 in the armature stem 34, when the valve is closed and is displaced from the cavity 87 as the valve is opened before the armature stem impacts the valve stem 24. In a modification, fig.7, fluid, eg oil, is supplied from oil gallery passage 17 to cavity 87 via a passage 209 in valve spring retainer 208, an opening 125 in the valve stem 124, and a passage 121 in the valve stem. A similar beginning-of-stroke damper may be provided for an electromechanical valve actuator of the lever type (210, fig.8) having a pivoted armature plate (232).

Stirling engine

The installation constitution of magnetic valve

本发明提供一种电磁阀的安装构造，能够以将部件数抑制成较少的简单构造来实现安装作业的高效化，且能够实现装置的轻量化和紧凑化，并且能够简单地进行电磁阀的接地。电磁阀由内设有电磁线圈的主体部和与主体部呈同轴状相连的轴状的阀部构成，在控制体中形成有用于插入阀部的插入孔，该电磁阀的安装构造具有卡定机构，该卡定机构由以下部分构成：具有弹性的卡定片，其与电磁线圈的接地端子连接并从主体部的外周面突出；以及凹部，其设置在控制体的上表面上。通过将阀部插入于插入孔中，卡定片与凹部弹性卡合从而进行电磁阀的卡定，并且通过卡定片与被卡合部的接触来进行电磁阀的接地。

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 stacks, which are arranged at a predetermined distance from one another, of superposed permanently magnetic bars, and the stator is formed, at least partially, from a soft-magnetic material and has at least two pairs of teeth with mutually opposed teeth, of which each pair of teeth receives one of the two stacks between them in each case, while forming an air gap, and wherein the stator has at least two magnetically conductive inner regions which are located between the two stacks and arranged at a predetermined distance from one another in the direction of movement of the rotor and which are at least partially surrounded, in each case, by an essentially hollow-cylindrical coil arrangement, the central longitudinal axis of which is oriented approximately transversely to the direction of movement of said rotor.

Electromagnetic actuator with fiber element

Vorgeschlagen wird ein elektromagnetischer Aktuator (10), umfassend eine Spuleneinheit (20), welche eine wahlweise bestrombare Wicklung (22) aufweist, einen von einer Zentrallängsachse (Z) durchgriffenen Ankerraum (26) und eine Ankereinheit (30), welche einen Anker (32) aufweist, welcher mittels einer Wicklungsbestromung in dem Ankerraum (26) verstellbar ist, wobei im Ankerraum (26) ein Faserelement (100) angeordnet ist und eine Gleitfläche (102) umfasst, an welcher der Anker (32) bei seiner Verstellung gleitend anliegt oder welche an einer Ankerrauminnenwand (34) bei der Verstellung des Ankers (32) gleitend anliegt, wobei das Faserelement (100) ein erstes Fadensystem (104) mit zueinander parallel verlaufenden Fäden (106) und ein zweites Fadensystem (108) mit zueinander parallel verlaufenden Fäden (110) umfasst, wobei die Fäden (106, 110) der beiden Fadensysteme (104, 108) einen Fadensystemwinkel (W1) miteinander einschließen, wobei die Fäden (106, 110) eines der beiden Fadensysteme (104, 108) parallel zur Zentrallängsachse (Z) und/oder zur Bewegungsrichtung des Ankers (32) verlaufen und/oder die Fäden (106, 110) zumindest eines der beiden Fadensysteme (104, 108) schraubenlinienförmig zur Zentrallängsachse (Z) verlaufen. An electromagnetic actuator (10) is proposed, comprising a coil unit (20) which has a winding (22) that can be optionally energized, an armature space (26) through which a central longitudinal axis (Z) passes, and an armature unit (30) which has an armature (32 ) which can be adjusted in the armature space (26) by means of a winding current supply, a fiber element (100) being arranged in the armature space (26) and comprising a sliding surface (102) on which the armature (32) slidingly rests during its adjustment or which slides against an inner wall (34) of the anchor space when the anchor (32) is adjusted, the fiber element (100) having a first thread system (104) with threads (106) running parallel to one another and a second thread system (108) ...

System and method for servo control of nonlinear electromagnetic actuators

Servo control using ferromagnetic core material and electrical windings is based on monitoring of winding currents and voltages and inference of magnetic flux, a force indication; and magnetic gap, a position indication. Third order nonlinear servo control is split into nested control loops: a fast nonlinear first-order inner loop causing flux to track a target by varying a voltage output; and a slower almost linear second-order outer loop causing magnetic gap to track a target by controlling the flux target of the inner loop. The inner loop uses efficient switching regulation, preferably based on controlled feedback instabilities, to control voltage output. The outer loop achieves damping and accurate convergence using proportional, time-integral, and time-derivative gain terms. The time-integral feedback may be based on measured and target solenoid drive currents, adjusting the magnetic gap for force balance at the target current. Incorporation of permanent magnet material permits the target current to be zero, achieving levitation with low power, including for a monorail deriving propulsion from the levitation magnets. Linear magnetic approximations lead to the simplest controller, but nonlinear analog computation in the log domain yields a better controller with relatively few parts. When servo-controlled solenoids provide actuation of a pump piston and valves, electronic LC resonance measurements determine liquid volume and gas bubble volume.

Electromagnetic regulating device

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 actuator and is embodied in such a way that it exerts a force on the same. The electromagnetic regulating device is provided with permanent magnet means, by which means the actuator (42) is held on the coil device (34, 36) when said coil device (34, 36) is not provided with a current. When the coil device (34, 36) is supplied with a current, the actuator (42) is detached from the coil device (34, 36), overcoming a retention force of the permanent magnet means.

Electromechanical valve release

Elektromechanischer Ventilauslöser (10) mit – einander gegenüberliegenden Elektromagneten (72, 74), – einer zwischen Elektromagneten (72, 74) angeordneten und schwenkbar gelagerten Ankerplatte (32), – einer mit der Ankerplatte (32) verbundenen Verbindungsstange (90) zum Öffnen und Schließen eines Ventils (20), dadurch gekennzeichnet, dass – die Ankerplatte (32) einen Scharnierstift (42) aufweist, der fest mit der Ankerplatte (32) verbunden ist und mit der Ankerplatte (32) um eine Ankergelenkachse (44) schwenkt, – die Ankerplatte (32) mindesten einen parallel zum Scharnierstift (42) verlaufenden Verstärkungsstift (38) aufweist, der als Drehzapfen für die Verbindungsstange (90) dient, – die Ankerplatte (32) mindestens eine Aussparung (36) innerhalb ihrer Fläche aufweist, durch die sich der Verstärkungsstift (38) erstreckt, wobei die Verbindungsstange (90) im Bereich der Aussparung (36) an den Verstärkungsstift (38) angelenkt ist, – die Elektromagneten (72, 74) anliegend an die Aussparung (36) ebenfalls je eine Aussparung (82, 84) aufweisen,... Electromechanical valve release (10) with - opposing electromagnets (72, 74), - An electromagnet (72, 74) arranged and pivotally mounted anchor plate (32), A connecting rod (90) connected to the anchor plate (32) for opening and closing a valve (20), characterized in that - The anchor plate (32) has a hinge pin (42) which is fixedly connected to the anchor plate (32) and with the anchor plate (32) pivots about an armature hinge axis (44), - The anchor plate (32) at least one parallel to the hinge pin (42) extending reinforcing pin (38) which serves as a pivot for the connecting rod (90), - The anchor plate (32) has at least one recess (36) within its surface, through which the reinforcing pin (38) extends, wherein the connecting rod (90) in the region of the recess (36) is articulated to the reinforcing pin (38), - The electromagnets (72, 74) adjacent to the recess (36) also each have a recess (82, 84), ...

Electromagnetic regulating device

Valve mechanism of swing structure engine

本发明公开了一种摆动结构体发动机配气机构，包括发动机机体、燃烧室和燃烧室界面体，所述燃烧室界面体的一部分设为动作件，在动作件和发动机机体之间设复位弹性体，摆动轴直接或间接与发动机机体连接，在摆动轴上设摆动结构体，摆动结构体上设摆动驱动结构，摆动驱动结构直接或间接受正时控制装置控制，动作件直接或间接受摆动结构体驱动打开或关闭燃烧室或调整燃烧室的容积，在发动机处于压缩冲程和爆炸冲程中，摆动轴的中心距摆动结构体的控制点P间的外向距离Y大于与外向相垂直的方向上的距离X。本发明可以满足动作件开闭响应快速、配气精准度高、动态停缸及二、四冲程动态切换等特殊要求，提高发动机效率。

Electromagnetic actuator

Electromagnetically driven valve

An electromagnetically driven valve includes multiple valve elements that have respective valve shafts and reciprocate in a direction in which the valve shafts extend; a pivoting member that extends from a driving end, which is operatively linked with the valve shafts, to a pivoting end, and that pivots around a central axis which extends along the pivoting end; a support member that supports the valve elements; and a single push plate that drives the multiple valve elements when being pressed by the pivoting member.

Method and device for estimating magnetic flux in an electromagnetic actuator for controlling an engine valve

Gas exchange valve control for valve-controlled internal combustion engine has rotor with concentric permanently magnetic rings and stator of magnetically soft material

The valve control has a hollow cylindrical rotor (16) and a stator (18). The rotor has permanently magnetic rings (30) one above the other. The stator consists at least partly of a magnetically soft material and has at least one tooth (22) facing the rotor. The stator has interior and exterior magnetically conductive regions, with the rotor rings between them.

Single coil electromagnetic valve drive having palette pivoting two end positions with flexible unit and center with additional section/permanent magnet with second active face

The electromagnetic drive has a palette (2) pivoting between two end positions with a flexible unit (5,7) and a coil (14) with associated valve. There is a center (8) with an additional section and permanent magnet (13). There is a second active face (16) in contact with the palette.

Reciprocating electromagnetic actuator with flux-balanced armature and stationary cores

An apparatus for electromagnetic actuation includes a cylindrical housing. The apparatus further includes at least two stationary cores fixed to the cylindrical housing. Each stationary core includes at least one first annular portion having a first annular thickness between a first inner diameter and a first outer diameter. The apparatus further includes a ring coil fixed to and in operable communication with each of the at least two stationary cores. The apparatus further includes a ferromagnetic armature concentrically aligned with the at least two stationary cores and configured to move relative to the at least two stationary cores. The ferromagnetic armature has at least one second annular portion having a second annular thickness between a second inner diameter and a second outer diameter. The second annular thickness is about the same as the first annular thickness.

Electromagnetic actuator

本发明涉及一种电磁致动器。复合轴(41)包括轴部分(42)和后板部分(43)，所述轴部分和所述后板部分由软磁材料一体形成，且所述复合轴构成可移动部分(24)。所述轴部分(42)可滑动地接收在定子(32)的导引孔(33)中。所述轴部分(42)的至少一部分在所述可移动部分(24)从向后极限到向前极限的移位范围内与所述定子(32)重叠。所述后板部分(43)在永磁体(40)的线圈(31)侧上连接到所述永磁体(40)。前板(45)在所述永磁体(40)的输出销(60)侧上连接到所述永磁体(40)，以构成所述可移动部分(24)。所述前板(45)具有比所述永磁体(40)的外径大的外径。磁轭(35)形成穿过所述定子(32)和所述前板(45)的磁路。

Intake and exhaust valves of internal combustion engine and method for controlling operation of internal combustion engine

Multi-step sliding cam actuators for internal combustion engine assembly

Disclosed are sliding cam actuators, methods for making and using such actuators, and motor vehicles with internal combustion engines employing sliding cam actuators. A sliding cam actuator is disclosed with two actuator pins projecting from an actuator housing. These pins move from retracted to extended positions and engage a shift barrel on a sliding camshaft. An actuator assembly moves each actuator pin to its extended position into engagement with the shift barrel to thereby slide the camshaft to a different location. An actuator shank is attached to the actuator housing and engaged with the actuator pins. Moving the first actuator pin to its extended position moves the actuator shank in one direction, which moves the second actuator pin towards its retracted position. Moving the second actuator pin to its extended position causes the actuator shank to move in another direction, which moves the first actuator pin towards its retracted position.

Method and device for controlling a coil drive

Ein Spulenantrieb für ein Einspritzdüsenventil oder für ein Einlassventil wird mit einer Stromsteuerung während Closed-Loop-Steuerphasen betrieben. Während der Closed-Loop-Stromsteuerung muss der Antrieb auf einer entgegengesetzten Spannung gehalten werden, um so den Strom durch die Spule schnell zu verringern. Der Strom wird unmittelbar auf die Clamp-Phase folgend gemessen, um so zu bestimmen, ob die Clamp-Phase zu dem korrekten Stromniveau geführt hat oder nicht. Falls der gemessene Strom eine übermäßige Verringerung des Stroms anzeigt, dann wird die Clamp-Phase-Dauer für die nächste Aktivierung dieser Clamp-Phase verkürzt. Falls der gemessene Strom eine unzureichende Verringerung anzeigt, dann wird die Clamp-Phase-Dauer für den nächstfolgenden Aktivierungszyklus verlängert. A coil drive for an injector valve or for an intake valve is operated with a current control during closed-loop control phases. During closed-loop current control, the drive must be held at an opposite voltage so as to rapidly reduce the current through the coil. The current is measured immediately following the clamp phase so as to determine whether or not the clamp phase has led to the correct current level. If the measured current indicates an excessive decrease in current, then the clamp phase duration for the next activation of this clamp phase will be shortened. If the measured current indicates an insufficient reduction, then the clamp phase duration is extended for the next following activation cycle.

Method and device for controlling a solenoid actuator

A solenoid actuator for an injection valve or an intake valve is driven with current control during closed-loop control phases. In between the closed-loop current control, the actuator must be clamped to an opposite voltage so as to quickly decrease the current through the solenoid. The current is measured immediately following the clamping phase so as to determine whether or not the clamping phase resulted in the correct current level. If the measured current indicates an extraneous reduction in the current, the clamping phase duration is shortened for the next activation of this clamping phase. If the measured current indicates an insufficient decrease, the clamping phase duration is lengthened for the next following activation cycle.

The method of camshaft phaser system and the motor commutation for being used in the camshaft phaser system

一种系统(42)包括相位器(28)、电动机(38)和控制器(40)，用于控制发动机(10)的凸轮轴(18)与曲轴(16)之间的相位。相位器(28)附接至凸轮轴(18)并与曲轴(16)连接，且被配置成用于调节凸轮轴(18)的相位。电动机(38)致动相位器(28)且操作地附接至相位器(28)并与相位器连接，使得曲轴(16)的旋转反向驱动电动机(38)以随后生成信号。控制器(40)与电动机(38)电通信并响应于信号，而且利用信号来确定电动机(38)的转速，以由此使电动机(38)换向，并随后驱动电动机(38)，以便致动相位器(28)和控制凸轮轴(18)的相位。

Electromagnetically driven valve

An electromagnetically driven valve that is driven by the combined action of electromagnetic force and elastic force includes first and second valve elements that have valve shafts and move in reciprocating motions in the directions in which the valve shafts extend. It also includes first and second oscillating members that extend from driving ends to pivoting ends, and that pivot around respective central axes extending at the respective pivoting ends. The driving ends are operatively linked with the first and second valve elements, respectively. The electromagnetically driven valve also includes first and second coils that cause the first and second oscillating members to oscillate. The first and second coils are interconnected.

Solenoid valve for internal combustion engine, has armature rod guide extending from core in direction of valve unit and disposed on side of armature, and armature rod extending across guide and supported by guide

The valve (2) has an armature rod guide (36) disposed on a side of an armature (30) which corresponds to a valve unit (6) positioned at a side opposite of an armature rod (32) from the armature. The guide extends from a core (24) in direction of the valve unit, and the rod extends across the guide and supported by the guide. The guide is introduced in a traversing hole (24a) of the core.

Electromagnetically driven valve

An electromagnetically driven valve (10) includes a drive valve (14) that is provided with a stem (12) serving as a valve stem and that reciprocates in a direction in which the stem (12) extends; a lower disk (21) serving as a first oscillating member and an upper disk (31) serving as a second oscillating member, each of which can oscillate by using a predetermined point in a disk base (51) as a supporting point, each of which is movably connected to the stem (12) at a first end (22, 32) and is movably supported by the disk base (51) at a second end (23, 33), and which are provided at a predetermined distance from each other; an electromagnet (60) which includes an open/close coil (62), and which is provided between the lower disk (21) and the upper disk (31); and a detector coil (501) which detects a position of at least one of the drive valve (14), the lower disk (21), and the upper disk (31). The electromagnetic force is applied to the lower disk (21) and the upper disk (31) when an electric current passes through the open/close coil (62). An amount of electric current that passes through the open/close coil (62) is determined based on the position of the drive valve (14) detected by the detector coil (501).

Control method of an electromagnetic actuator for controlling an engine valve

Electromagnet assembly for electromechanical valve actuators

An electromechanical valve actuator including an electromagnet interconnected with a housing end portion and an electric coil disposed adjacent said electromagnet. The electromagnet includes a plurality of interlocked laminae to form a laminate that is similarly interlocked with housing end portions. The housing end portions are interlocked with the laminate with the use of tabs and recesses formed on the laminae and the housing end portions.

Electromagnetic valve device for engine

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 electromagnet (22), which is pivotably supported on the cylinder head by a fixed shaft (38) so as to be capable of swinging, attracting a first attraction face (23b) and a second attraction face (23c) respectively of an armature (23) having one end pivotably supported on the cylinder head by the fixed shaft (38) so that it can swing and having the other end abutting against a stem (18) of the intake valve (17). In this arrangement, by changing the angle between the first and second electromagnets (21, 22) by swinging the second electromagnet (22), the amount of lift of the intake valve (17) can be changed freely. Furthermore, since only at least one of the first and second electromagnets (21, 22) needs to be made to swing and, moreover, it is unnecessary to move the position of the armature (23), it is possible to form the electromagnetic valve operating device (20) compactly.

Route-variable valve equipment for internal combustion engine

本发明涉及一种设备，其包括阀和致动器。所述阀具有可运动地布置在由发动机的气缸盖限定的阀套内的部分。所述阀被构造成在关闭位置和打开位置之间相对于气缸盖运动一距离。所述阀的所述部分限定有流动开口，所述流动开口当所述阀处于打开位置中时与发动机的气缸流体连通。所述致动器被构造成选择性地改变在关闭位置与打开位置之间的距离。

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 electromagnet ( 22 ), which is pivotably supported on the cylinder head by a fixed shaft ( 38 ) so as to be capable of swinging, attracting a first attraction face ( 23 b ) and a second attraction face ( 23 c ) respectively of an armature ( 23 ) having one end pivotably supported on the cylinder head by the fixed shaft ( 38 ) so that it can swing and having the other end abutting against a stem ( 18 ) of the intake valve ( 17 ). In this arrangement, by changing the angle between the first and second electromagnets ( 21, 22 ) by swinging the second electromagnet ( 22 ), the amount of lift of the intake valve ( 17 ) can be changed freely. Furthermore, since only at least one of the first and second electromagnets ( 21, 22 ) needs to be made to swing and, moreover, it is unnecessary to move the position of the armature ( 23 ), it is possible to form the electromagnetic valve operating device ( 20 ) compactly.

Electromagnetically driven valve

An electromagnetically driven valve includes: a valve, including a valve shaft, which reciprocates to and fro along a direction in which the valve shaft extends; a disk, which is a magnetic member, and which is connected to and drives the valve; a first electromagnet which attracts the disk and keeps it in a valve closed position; and a torsion bar, which is a first elastic member, and which applies, to the disk, a force to remove the disk from the first electromagnet. In this first electromagnet, when the disk has been attracted to the first electromagnet and is in the valve closed position, a magnetic gap is provided at least in a portion of at least one magnetic circuit constituted by the electromagnet core and the disk.

ELECTRONIC CIRCUIT COMPRISING ELECTRICAL CONNECTIONS RESISTANT TO A SEVERE ENVIRONMENT.

L'invention concerne la réalisation de connexions entre deux circuits électriques ou deux portions de circuit électrique. Elle s'applique en particulier à des actionneurs électromagnétiques. Selon l'invention, le circuit électronique (14) comporte au moins deux parties distinctes (14a, 14b), les parties (14a, 14b) du circuit étant reliées électriquement par des connexions (24) comprenant au moins deux connecteurs (25a, 25b) reliés chacun à une partie du circuit (14a, 14b), chaque connecteurs (25a, 25b) comportant une surface de contact sensiblement plane et des moyens pour lier rigidement les surfaces de contact entre elles The invention relates to making connections between two electrical circuits or two portions of the electric circuit. It applies in particular to electromagnetic actuators. According to the invention, the electronic circuit (14) comprises at least two distinct parts (14a, 14b), the parts (14a, 14b) of the circuit being electrically connected by connections (24) comprising at least two connectors (25a, 25b ) each connected to a portion of the circuit (14a, 14b), each connector (25a, 25b) having a substantially planar contact surface and means for rigidly bonding the contact surfaces to each other

Method and system for internal combustion engine

An improved internal combustion engine unit which includes a separating aperture between the cylinder and a separation chamber, and a separating valve adapted to control closing and opening the separating aperture. The separation chamber is connectable to the intake manifold and to the exhaust manifold, respectively, by the intake and exhaust apertures. Opening both the separating valve and the exhaust valve enables gas flow from the cylinder volume to the exhaust manifold through the open separating aperture, the separation chamber and the open exhaust aperture. Opening both the separating valve and the intake valve enables gas flow from the intake manifold to the cylinder volume through the open intake aperture, the separation chamber and the separating aperture. The intake valve and the exhaust valve are driven by solenoids controlled in turn by an engine computer. The separating valve is driven by a camshaft driven in turn by the engine.

Electric linear motor

Elektrischer Linearmotor (10), der – einen Läufer (16) und – einen Ständer (18) aufweist, wobei – der Ständer (18) aus Blechen (20) aufgebaut ist, deren Fläche senkrecht zur Bewegungsrichtung (B) des Läufers (16) orientiert ist, und – der Ständer (18) dem Läufer (16) zugewandte Zähne (22) aufweist, die jeweils eine geschlossene, dem Läufer (16) zugewandte Mantelfläche haben, – der Läufer (16) als Asynchronläufer oder als Synchronläufer, oder als Reluktanzläufer ausgebildet ist, – in den Ständer (18) Kühlmittelkanäle eingearbeitet sind, die mit einem Kühlmittelkreislauf verbindbar sind und von denen wenigstens einige an der Mantelfläche des Ständers (18) in den Luftspalt zwischen dem Ständer (18) und dem Läufer (16) münden. Electric linear motor (10), the - a runner (16) and - Has a stand (18), wherein - The stand (18) is constructed of sheets (20) whose surface is oriented perpendicular to the direction of movement (B) of the rotor (16), and - The stator (18) the rotor (16) facing teeth (22), each having a closed, the rotor (16) facing lateral surface, The rotor (16) is designed as an asynchronous rotor or as a synchronous rotor, or as a reluctance rotor, - In the stator (18) coolant channels are incorporated, which are connectable to a coolant circuit and of which at least some on the lateral surface of the stator (18) in the air gap between the stator (18) and the rotor (16) open.

Valve-timing control apparatus for internal combustion engine

本发明提供一种可抑制供电用刷的磨损粉附着于角度检测部件的不良情况、可对于该角度检测部件确保良好的检测精度的内燃机的气门正时控制装置。通过将供电用刷(47a、47b)配置于角度传感器(60)的靶(64)的铅垂方向正上方的、不与该靶(64)重合的周向位置，能够抑制因重力下降的供电用刷(47a、47b)的磨损粉向靶(64)附着的不良情况，从而能够对于角度传感器(60)确保良好的检测精度。

Electromagnetic actuator has a pivot mounted armature that is located between a pair of electromagnetic actuator stages to move armature in both directions

The actuators (10) has upper and lower stages each having a coil (13,14) that locate on magnetic yokes (15,16). Within the space between the stages is a pivot mounted (33) armature (17) that can move between the faces of the yokes when then coils are supplied. The armature is supported in a bearing (26).

ELECTROMAGNETIC ACTUATOR

L'invention concerne un actionneur électromagnétique comprenant au moins une bobine (5) associée à un noyau (6), et un moyen d'actionnement (20, 21) associé à une palette (12) montée mobile en rotation autour d'un axe de pivotement (14) entre deux positions extrêmes dans chacune desquelles une face (15, 16) de la palette (12) s'étend contre une face active (8, 9) du noyau (6), le noyau (6) comportant au moins une partie de paroi active additionnelle (10) en regard d'un bord (11) d'une portion d'extrémité de la palette (12) et présentant avec ce bord (11) un entrefer faible pour au moins une position de la palette (12) dans laquelle une face de la portion d'extrémité de la palette (12) présente un grand entrefer avec une portion de la face active correspondante du noyau (6). The invention relates to an electromagnetic actuator comprising at least one coil (5) associated with a core (6), and an actuating means (20, 21) associated with a pallet (12) mounted to be movable in rotation about an axis. pivot (14) between two extreme positions in each of which a face (15, 16) of the pallet (12) extends against an active face (8, 9) of the core (6), the core (6) comprising at the at least one additional active wall part (10) facing an edge (11) of an end portion of the pallet (12) and having with this edge (11) a small air gap for at least one position of the pallet (12) in which one face of the end portion of the pallet (12) has a large air gap with a portion of the corresponding active face of the core (6).

Piston machine, in particular hot gas piston machine

Electromagnetically driven valve

Attachment structure for solenoid valve

Provided is an attachment structure with which it is possible to make attachment work more efficient, reduce a device in weight and size, and simplify the ground connection of a solenoid valve, with a simple structure that keeps the number of components low. A solenoid valve comprises a main body part having a built-in electromagnetic coil, and a shaft-shaped valve part coaxially linked to the main body part, an insertion hole into which the valve part is inserted being formed in a control body; and the solenoid valve is also provided with an interlocking mechanism comprising an elastic interlocking piece connected with a ground terminal of the electromagnetic coil and protruding from the outer peripheral surface of the main body part, and a concave part provided in the top surface of the control body. The interlocking piece is elastically engaged in the concave part, and the solenoid valve is interlocked, by inserting the valve part into the insertion hole, and the solenoid valve is connected to ground by contact between the interlocking piece and a part to be engaged.

Actuator mechanism

Control device for an internal combustion engine

Ansaugöffnungen (64a, 64b) an gegenüberliegenden Enden werden durch Einlassventile (68) geöffnet und geschlossen. Eine mittlere Ansaugöffnung (64c) wird durch ein zweites Einlassventil (70) geöffnet und geschlossen. Eine Steuervorrichtung enthält eine variable Einlassventilvorrichtung (60). Erste Abzweigkanäle (74) sind mit den Ansaugöffnungen (64a, 64b) verbunden und erzeugen eine normale Tumbleströmung. Ein zweiter Abzweigkanal (76) ist derart konfiguriert, dass die Strömungsrate von Ansaugluft, welche durch die mittlere Ansaugöffnung (64c) strömt, an der Seite, welche näher an dem Außenumfang der Brennkammer ist, relativ größer ist. Wenn auf das Erhöhen des Strömungskoeffizienten eine höhere Priorität gelegt wird, wird ein Drei-Ventil-Antriebsmodus ausgewählt. Wenn die Stärke der normalen Tumbleströmung verstärkt wird, wird ein Zwei-Ventil-Antriebsmodus ausgewählt. Wenn eine Erzeugung der normalen Tumbleströmung verringert wird, wird ein Ein-Ventil-Antriebsmodus ausgewählt. Intake ports (64a, 64b) at opposite ends are opened and closed by inlet valves (68). A middle intake port (64c) is opened and closed by a second intake valve (70). A control device includes a variable intake valve device (60). First branch channels (74) are connected to the suction ports (64a, 64b) and produce a normal tumble flow. A second branch passage (76) is configured such that the flow rate of intake air flowing through the middle intake port (64c) is relatively larger at the side closer to the outer periphery of the combustion chamber. When a higher priority is placed on increasing the flow coefficient, a three-valve drive mode is selected. When the strength of the normal tumble flow is increased, a two-valve drive mode is selected. When generation of the normal tumble flow is reduced, a one-valve drive mode is selected.

Electromagnetic actuator and control

An electromagnetic actuator includes a stator assembly mounted to a center pole formed of material having high magnetic permeability and functions as a return path for the magnetic field generated when current is passed through coils in the stator assembly. When current is applied to one or more coils within the stator assembly, a magnetic field is generated that interacts with a magnetic field generated by one or more magnets disposed within the armature assembly and causes the armature to move relative to the center pole thus, for example, opening or closing a valve. A cooling jacket is disposed at least partially around the stator assembly, the cooling jacket defining one or more channels configured to circulate cooling fluid.

Circuit structure for electromagnetic actuator

本发明提供一种用于电磁执行器的电路结构，包括第一导电片(1)、第二导电片(2)、第三导电片(3)、第四导电片(4)、第五导电片(5)以及第六导电片(6)和霍尔传感器(8)，第一导电片(1)尾端形成第二焊接引脚(11)，第五导电片(5)与跨接导电件(7)形成导电连接，且第五导电片(5)尾端形成第三焊接引脚(51)，跨接导电件(7)尾端形成第一焊接引脚(71)，第六导电片(6)尾端形成第四焊接引脚(61)，第二导电片(2)、第三导电片(3)、第四导电片(4)分别与霍尔传感器(8)形成导电连接。本发明的电路整体结构简单，能有效地保证电磁螺线管正负极对位焊接时的定位可靠性。

Method and device for estimating the position of an actuator body in an electromagnetic actuator to control a valve of an engine

Electromagnetic valve actuator

An electromagnetic valve actuator for pivoting a rocker arm to open and close a valve of a four-cycle internal combustion engine. The actuator includes a rocker arm with two ends, one end being in contact with the valve. An electromagnet is provided along with means for mounting the electromagnet to selectively attract the end of the rocker arm opposite the valve to open and close the valve. Control means are provided to sequence the electromagnet so that its selective attraction results in favorable timing, lift and duration of the valve opening and closing so that the engine performs optimally throughout its rpm range. The electromagnetic valve actuator can also be configured as a retrofit system which would replace a conventional cam shaft valve lifter configuration with an electromagnetic valve actuator.

Electromagnetically driven valve

An electromagnetically driven valve includes a driven valve having a stem and carrying out reciprocating motion along a direction in which the stem extends, a disc support base having an abutment surface, a disc extending from one end coupled to the stem toward the other end supported by the disc support base so as to allow free oscillation of the disc, and an electromagnet applying electromagnetic force to the disc. The disc has a root portion formed at the other end, and an arm portion formed from the root portion to one end. The electromagnet has a surface facing the arm portion. When the disc is attracted to the electromagnet the abutment surface abuts on the root portion and a gap is created between the surface and the arm portion. With such a structure, excellent quietness and durability can be achieved and energy loss can be reduced.

Valve open-close timing variable device of internal combustion engine

본 발명은 내연기관의 속도 영역에 따라 밸브 개폐시기를 변화시켜 저, 중속에서 높은 토오크를 얻고, 고속에서 출력을 향상시킬 수 있도록 하며, V형 6기통 내연기관에 적용하는 경우 공회전시 일측 캠축의 동작을 정지시킬 수 있도록 한 내연기관의 밸브 개폐시기 가변장치를 제공할 목적으로; 캠축 일측을 지지하는 캠축 하우징의 외측에 베어링을 개재시켜 장착되는 마그네틱 코일 조립체의 외측에 장착되는 풀리와; 상기 캠축 선단 상하부에 어느 하나가 소정의 각도만큼 편심되고 중심부로부터 반경을 달리하는 위치에 일측이 개구되어 이에 제1, 2 록킹핀이 탄발부재를 개재시켜 결합되는 제1, 2 실린더와; 상기 제1, 2실린더와 연통되는 제1, 2유로상에 배치되어 전자제 유닛에 의하여 제어되면서 이들 유로를 선택적으로 개폐하는 제1, 2 솔레노이드 밸브와; 상기 캠축의 선단에 체결되어 상기 마그네틱 코일에 전원이 인가될 때 그의 자장에 의하여 마그네틱 코일 조립체와 회전/비회전되며, 그의 보스부에 상기 제 1, 2 록킹핀이 삽입될 수 있는 제1, 2 록킹홈이 형성된 마그네틱 플레이트를 포함하여 이루어짐을 특징으로 하는 내연기관의 밸브 개폐시기 가변장치를 제공한다. The present invention is to obtain a high torque at low and medium speed, to improve the output at high speed by changing the valve opening and closing time according to the speed range of the internal combustion engine, when applied to the V-type six-cylinder internal combustion engine of one camshaft at idle To provide a variable valve opening and closing time of the internal combustion engine to stop the operation; A pulley mounted on an outer side of the magnetic coil assembly mounted through a bearing on an outer side of the cam shaft housing supporting one side of the cam shaft; First and second cylinders of which one side is opened at a position different from the center and eccentric by a predetermined angle at an upper and a lower end of the camshaft, and the first and second locking pins are coupled to each other via an elastic member; First and second solenoid valves disposed on the first and second flow paths communicating with the first and second cylinders and selectively opening and closing these flow paths while being controlled by the electronic unit; It is fastened to the front end of the camshaft when the power is applied to the magnetic coil is rotated / non-rotated with the magnetic coil assembly by its magnetic field, the first, second locking pins can be inserted into the boss portion of the first and second It provides a variable valve opening and closing time ...

Solenoid valve mounting structure

部品点数を少なく抑えた簡単な構造で、取付作業の効率化を図ることができると共に、装置の軽量化及びコンパクト化を図ることができ、かつソレノイド弁のアース接続を簡単に行うことができる取付構造を提供する。ソレノイド弁は、電磁コイルを内蔵する本体部と、本体部と同軸状に連なる軸状の弁部とからなり、制御ボディには、弁部を挿入させるための挿入孔が形成されており、電磁コイルのグランド端子と接続されて本体部の外周面から突出する弾性を有する係止片と、制御ボディの上面に設けた凹部とからなる係止機構を備える。弁部を挿入孔に挿入することで係止片が凹部に弾性係合してソレノイド弁の係止がなされると共に、係止片と被係合部との接触によりソレノイド弁のアース接続がなされる。 A simple structure with a small number of parts, which can improve the efficiency of installation work, reduce the weight and size of the device, and easily connect the solenoid valve to the ground. Provide structure. The solenoid valve is composed of a main body portion with a built-in electromagnetic coil and a shaft-like valve portion that is coaxially connected to the main body portion, and an insertion hole for inserting the valve portion is formed in the control body. A locking mechanism is provided that includes a locking piece having elasticity that is connected to the ground terminal of the coil and protrudes from the outer peripheral surface of the main body, and a recess provided on the upper surface of the control body. When the valve portion is inserted into the insertion hole, the locking piece is elastically engaged with the recess to lock the solenoid valve, and the solenoid valve is grounded by contact between the locking piece and the engaged portion. The

Electromagnetically driven valve

Elektromagnetisch angetriebenes Ventil, welches durch eine Kooperation zwischen einer elektromagnetischen Kraft und einer elastischen Kraft angetrieben wird, dadurch gekennzeichnet, dass es Folgendes enthält: einen Anker (21), der ein Ventil (14) antreibt, wobei der Anker (21) einen ersten Abschnitt (26) und einen zweiten Abschnitt (27, 28) enthält und einen darin ausgebildeten Einschnitt oder Ausschnitt aufweist, so dass ein magnetischer Pfadbereich an dem zweiten Abschnitt (27, 28) kleiner ist als der magnetische Pfadbereich oder die Pfadfläche an dem ersten Abschnitt (26), wobei ein magnetischer Fluß, der in dem Anker (21) ausgebildet wird, bevor der Einschnitt oder Ausschnitt ausgebildet worden ist, eine relativ große magnetische Flussdichte an dem ersten Abschnitt (26) und eine relativ kleine magnetische Flussdichte an dem zweiten Abschnitt (27, 28) aufweist; und einen Elektromagneten (51m), der in Gegenüberlage zu dem Anker (21) angeordnet ist und der einen Kernabschnitt (52) enthält, welcher den Anker (21) anzieht, wobei der Elektromagnet... Electromagnetically driven valve which is driven by a cooperation between an electromagnetic force and an elastic force, characterized in that it comprises: an armature (21) driving a valve (14), the armature (21) including a first portion (26) and a second portion (27, 28) and having a cut or cut formed therein such that a magnetic path region at the second portion (27, 28) is smaller than the magnetic path area or the path area at the first portion (26), wherein a magnetic flux formed in the armature (21) before the incision or cutout has been formed, a relatively large magnetic flux density at the first portion (26) and a relatively small magnetic flux density at the second portion (27, 28); and an electromagnet (51m) disposed in opposition to the armature (21) and including a core portion (52) which attracts the armature (21), the electromagnet ...