EP1751403A1 - Valve actuating device - Google Patents

Valve actuating device

Info

Publication number
EP1751403A1
EP1751403A1 EP05762748A EP05762748A EP1751403A1 EP 1751403 A1 EP1751403 A1 EP 1751403A1 EP 05762748 A EP05762748 A EP 05762748A EP 05762748 A EP05762748 A EP 05762748A EP 1751403 A1 EP1751403 A1 EP 1751403A1
Authority
EP
European Patent Office
Prior art keywords
control member
housing
valve
valves
stop
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP05762748A
Other languages
German (de)
French (fr)
Other versions
EP1751403B1 (en
Inventor
Didier Girard
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
PSA Automobiles SA
Original Assignee
Peugeot Citroen Automobiles SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Peugeot Citroen Automobiles SA filed Critical Peugeot Citroen Automobiles SA
Publication of EP1751403A1 publication Critical patent/EP1751403A1/en
Application granted granted Critical
Publication of EP1751403B1 publication Critical patent/EP1751403B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L3/00—Lift-valve, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces; Parts or accessories thereof
    • F01L3/10—Connecting springs to valve members
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L9/00—Valve-gear or valve arrangements actuated non-mechanically
    • F01L9/20—Valve-gear or valve arrangements actuated non-mechanically by electric means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L9/00—Valve-gear or valve arrangements actuated non-mechanically
    • F01L9/20—Valve-gear or valve arrangements actuated non-mechanically by electric means
    • F01L9/21—Valve-gear or valve arrangements actuated non-mechanically by electric means actuated by solenoids
    • F01L2009/2132—Biasing means
    • F01L2009/2134—Helical springs
    • F01L2009/2136—Two opposed springs for intermediate resting position of the armature
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L2303/00—Manufacturing of components used in valve arrangements
    • F01L2303/01—Tools for producing, mounting or adjusting, e.g. some part of the distribution

Definitions

  • the invention relates to a valve actuation device.
  • the invention relates more particularly to a device for actuating at least one pair of internal combustion engine valves disposed in a housing of the type comprising, for each valve, magnetization means, at least one spring urging the valve towards a position of equilibrium and comprising a fixed end made integral with an adjustable stop and a movable end made integral in translation with the valve, the adjustable stop comprising engagement means capable of cooperating with engagement means combined with a control member to allow the displacement of the stop relative to the housing, so as to adjust the tare of the spring.
  • Such a device is described in document WO0065203A1.
  • the device described in this document uses a tool inserted between two adjacent valve actuators
  • the tool consists of a rod provided at its end with a portion of disc whose edge has a toothed sector.
  • the toothed sector of the tool is intended to mesh with a toothed wheel whose rotation controls the movement of a movable assembly secured to one end of a spring.
  • the adjustment of the tare weight of a spring according to this known device is difficult. Indeed, the tool must be introduced with a certain orientation in the device, to allow the toothed sector to penetrate into the device. The tool is then moved laterally towards the toothed wheel of the mobile assembly associated with a spring. The toothed sector must then be brought blind into a position of engagement with the toothed wheel. In this difficult position to reach, the toothed sector can be rotated to perform the spring tare adjustment. When the springs of two adjacent valves must be adjusted, the tool that has set the first spring must be moved laterally to mesh with the adjacent toothed wheel according to the same procedure.
  • valve control device therefore generates complex adjustment operations which are hardly compatible with large-scale industrial production.
  • complexity of the operations necessary for adjusting the tare of the springs is liable to cause adjustment errors.
  • the actuation device is essentially characterized in that the control member is permanently placed in the housing. adjacent to the adjustable stops of the two valves of the same pair, the housing comprising means for guiding and positioning the control member selectively in two engagement positions respectively with the two adjustable stops.
  • the invention may include one or more of the following characteristics: the two adjustable stops of a pair of valves are located in separate planes offset in a direction of main movement of the control member,
  • the device comprises means for blocking the control member in a deactivated position preventing the movement of an adjustable stop
  • the deactivated position corresponds to a simultaneous engagement of the control member with the two adjustable stops of a pair of valves
  • the means for blocking the member comprise a movable axis in the housing capable of cooperating with the body of the control member
  • control member is slidably mounted in the housing
  • the direction of sliding of the control member is substantially parallel to the directions of movement of the valves
  • the stop and the control member cooperate in engagement during their respective rotation, and when the control member is in a engagement position, the respective axes of rotation of the stop and the control member are substantially parallel
  • the stop comprises a threaded ring mounted on the external thread of a socket provided with engagement means, the socket being mounted free in rotation and locked in translation relative to the housing, the threaded ring being locked in rotation by relative to the housing, so that the rotation of the sleeve causes the threaded ring to move along said sleeve,
  • the bush has the general shape of a cylindrical tube, one end of which has a collar, and in that the meshing means are formed on the collar,
  • the guidance and positioning means comprise elastic means urging the control member towards one of the engagement positions
  • control member comprises a rod-shaped body and a toothed wheel formed at one of the ends of the body, - the control member has a substantially flush end at one face of the housing and comprising means of coupling with an adjusting member, -
  • the device comprises, for each valve, a pallet made integral in translation with the valve stem, the pallet being disposed between two magnetization means, the device also comprising two opposing springs urging the valve / pallet assembly towards a position balance.
  • FIG. 2 represents a perspective view schematically illustrating a valve actuation device according to the invention, mounted on a cylinder head of an internal combustion engine,
  • FIG. 3 represents a perspective view schematically showing part of the arrangement of an actuation device for a pair of valves according to the invention
  • FIG. 4 represents a vertical section of part of the actuating device along the line EE in FIG. 3,
  • FIG. 5 represents an exploded perspective view of a part of the actuating device of FIGS. 3 and 4, illustrating a part of the control mechanism of one of the two valves,
  • FIG. 6 shows a cross-sectional view of the device along the line DD of Figure 3 or along the line BB of Figure 7
  • - Figure 7 shows a horizontal sectional view of the device along the line AA of Figure 6
  • FIG. 8 represents a side view of only part of the device of FIG. 3 in a first operating position
  • FIG. 9 represents a top view of the arrangement of FIG. 8,
  • Figure 10 shows a view similar to that of Figure 8, in a second operating position.
  • FIG. 1 illustrates an example of an actuator of such a valve called “electromagnetic valve”.
  • the actuator conventionally comprises a movable part consisting of a rod 14, one end of which is integral with a pallet 3 disposed between two electromagnets 4, 5 (cf. also FIG. 4). The other end of the movable rod 14 is supported on the end of the valve stem 1
  • Each of the springs 6, 7 comprises a fixed end made integral with a fixed stop and a movable end made integral in translation directly or indirectly with the valve and / or the movable rod 14.
  • the pallet 3 is subjected to the action of electromagnets 4, 5, so as to move and block the valve 1 in the open or closed position.
  • the pallet 3 and the valve 1 can be balanced by the springs 6, 7 between the two open and closed positions.
  • the tare of the springs 5, 6 must be adjusted so that, when the electromagnets 4, 5 are not activated, the valve 1 and the pallet 3 are arranged in the equilibrium position between the open and closed positions.
  • the soup control mechanism 1 is generally integrated in a housing
  • actuator which is mounted directly or indirectly on the cylinder head 19 of an internal combustion engine.
  • Figures 3 and 4 show part of the mechanism of Figure 1.
  • the elements identical to those described above are designated by the same reference numbers and will not be described in detail a second time.
  • the upper spring 6 of the mechanism has a first movable lower end which is made integral with the movable rod 14 by means of a lower cup 20 and a conical hooking device 21.
  • the upper end of the spring 6 is made integral with a support washer 46 comprising, for example, three rings (cf. FIG. 5).
  • the support washer 46 is itself mounted on a threaded ring 36 screwed onto the external thread of a cylindrical sleeve 26.
  • the sleeve 26 is mounted to rotate freely and locked in translation relative to the housing 2. More specifically, the sleeve 26 has at its upper end a flange bearing on the body of the actuator (electromagnet 5 for example) by the 'Intermediate of a support washer 22.
  • a toothing is formed on the outer edge of the collar of the sleeve 26 (cf. FIG. 5 in particular).
  • the threaded ring 36 is locked in rotation relative to the housing 2.
  • the threaded ring 36 has shoulders 23 which engage in housings in the body of the housing 2 and prevent the rotation of the ring 36 around its axis.
  • the rotation of the bush 26 causes the threaded ring 36 to move along said bush 26.
  • the direction of movement of the threaded ring 36 along the sleeve 26 is determined by the direction of rotation of the sleeve 26.
  • the assembly consisting of the sleeve 26, the threaded ring 36 and the support washer 46 forms an adjustable stop 16 for the upper end of the spring 6 as described in more detail below.
  • the toothing of the sleeve 26 is intended to cooperate with a complementary thread of a control member 10 preferably oblong in shape.
  • the housing 2 includes a housing 1 1 for the member 10 located near the adjustable stops 16 of the two valves 1 of the same pair of valves.
  • the control member 10 comprises, for example, a rod-shaped body and a toothed wheel 8 formed at one of the ends of the body.
  • the control member 10 is preferably placed permanently in the housing 2.
  • the housing 1 1 of the housing 2 is shaped to guide the control member 10, so as to allow its movement selectively in two engagement positions respectively with the two adjustable stops 16.
  • the stops 16 and the control member 10 cooperate in engagement during their respective rotation.
  • the respective axes of rotation of the stop 16 and the control member 10 are substantially parallel.
  • the control member 10 is slidably mounted in the housing 2 in the direction of the longitudinal axis of symmetry of its body. In addition, this direction of sliding of the control member 10 is preferably parallel to the directions of movement of the movable rods 14 bearing on the valves 1.
  • the housing 1 1 for the control member 10 opens onto one face of the housing 2 so as to allow the end of the member 10 located opposite the toothed wheel 8 to be flush with the exterior of the housing 2.
  • This flush end of the control member 10 has coupling means 25, such as an imprint or an appropriate shape allowing it to be coupled with an external adjustment member (not shown).
  • the adjusting member can be, for example, a socket or a key manipulated manually by an operator or by a robot.
  • the two adjustable stops 16 of the pair of valves 1 are located respectively in two distinct planes offset in a main direction of movement of the control member 10 (cf. FIG. 4).
  • the toothed wheels of the two adjustable stops 16 can be located in separate planes slightly offset according to the direction of movement of the control member 10.
  • a small offset of the toothed wheels as described above makes it possible to place the control member 10 in a third so-called deactivated position in which the control member 10 meshes at the same time with the two adjustable stops 16 of a pair of valves. 1.
  • the rotation of the stops 16 and of the member 10 is "self-locked".
  • Means 15, 17 for locking the control member 10 in the deactivated position can be provided.
  • these blocking means may comprise a needle screw 15 mounted in a thread of the housing 2 and the end of which is capable of coming to engage in a conjugate groove 17 formed on the body of the control member 10.
  • Elastic means such as a spring 24 can also be mounted on the control member 10 so as to urge the latter towards one of the engagement positions.
  • the spring 24 is threaded onto the body of the control member 10 and has one end bearing on a circlip 27 mounted on this same body of the member 10. The other end of the spring 24 can come to bear on a shoulder formed by the housing 1 1 for the member 10 inside the housing 2.
  • the actuator 2 can be arranged so that the control member 10 is locked in its deactivated position. That is to say that the body of the control member is locked by the needle screw 15 so that the toothed wheel 8 of the control member 10 meshes with the two adjustable stops at the same time (position shown at Figure 8).
  • the device can be dimensioned so that the spring 24 places the member 10 in a high equilibrium position in which the toothed wheel 8 meshes only with the toothing of the sleeve 26 of the adjustable stop 16 of the first spring 6 ( position shown in Figure 10).
  • control member 10 can then be pivoted using an adjustment member as described above, so as to adjust the tare of the spring 6 concerned.
  • the adjustment member can be coupled to the control member 10 by exerting pressure on the latter. inside the housing 2.
  • the control member 10 is thus translated downwards in the housing 2 to a low position in which the toothed wheel 8 meshes this time only with the thread of the sleeve 26 of the stop adjustable 16 of the second spring (position not shown in the figures for the sake of concision)
  • the housing 2 can form a stop for the control member 10 limiting its movement towards the interior of the housing 2, at this low position.
  • the locking needle screw 15 can again be tightened to guarantee stable adjustment of the springs 6.
  • the system can be dimensioned so that, from the high equilibrium position, the tightening the needle screw causes the automatic translation of the control member 10 to the deactivated position.
  • the locking screw 15 can cooperate with inclined planes formed by the groove 17 of the body of the control member 10
  • control device makes it possible, in a reduced volume, to guarantee simple and reliable adjustment of the valve springs.
  • the invention is of course not limited to the embodiment described above.

Abstract

The invention relates to an actuating device that actuates at least one valve pair (1) of an internal combustion engine, housed inside a housing (2) comprising, for each valve (1), magnetizing means (4, 5), at least one spring (6) that acts upon the valve (1), and comprising a fixed end connected to an adjustable stop (16), and a moving end connected in a translatory manner to the valve (1), the adjustable stop (16) comprising meshing means (26) that can interact with mating meshing means (8) of a control element (10) whereby adjusting the tare of the spring (6). The invention is characterized in that the control element (10) is placed in a fixed manner inside the housing (2) next to the adjustable stops (16) of the two valves (1) of the same pair. The housing (2) comprises means for selectively guiding and positioning the control element (10) in two meshing positions respectively with the two adjustable stops (16).

Description

Dispositif d'actionnement de soupapes Valve actuator
L'invention se rapporte à un dispositif d'actionnement de soupapes.The invention relates to a valve actuation device.
L'invention concerne plus particulièrement un dispositif d'actionnement d'au moins une paire de soupapes de moteur à combustion interne disposé dans u n boîtier du type comportant, pour chaque soupape, des moyens d'aimantation, au moins un ressort sollicitant la soupape vers une position d'équilibre et comprenant une extrémité fixe rendue solidaire d'une butée réglable et une extrémité mobile rendue solidaire en translation de la soupape, la butée réglable comportant des moyens d'engrènement aptes à coopérer avec des moyens d'engrènement conjugués d'un organe de commande pour permettre le déplacement de la butée par rapport au boîtier, de façon à régler la tare du ressort.The invention relates more particularly to a device for actuating at least one pair of internal combustion engine valves disposed in a housing of the type comprising, for each valve, magnetization means, at least one spring urging the valve towards a position of equilibrium and comprising a fixed end made integral with an adjustable stop and a movable end made integral in translation with the valve, the adjustable stop comprising engagement means capable of cooperating with engagement means combined with a control member to allow the displacement of the stop relative to the housing, so as to adjust the tare of the spring.
Un tel dispositif est décrit dans le document WO0065203A1 . Pour effectuer le réglage de la tare des ressorts de soupapes, le dispositif décrit dans ce document utilise un outil introduit entre deux actionneurs de soupapes adjacents L'outil est constitué d'une tige pourvue à son extrémité d'une portion de disque dont la bordure présente un secteur denté. Le secteur denté de l'outil est destiné à s'engrener avec une roue dentée dont la rotation commande le déplacement d'un équipage mobile solidaire d'une extrémité d'un ressort.Such a device is described in document WO0065203A1. To adjust the tare of the valve springs, the device described in this document uses a tool inserted between two adjacent valve actuators The tool consists of a rod provided at its end with a portion of disc whose edge has a toothed sector. The toothed sector of the tool is intended to mesh with a toothed wheel whose rotation controls the movement of a movable assembly secured to one end of a spring.
Cependant, le réglage de la tare d'un ressort selon ce dispositif connu est malaisé. En effet, l'outil doit être introduit avec une certaine orientation dans le dispositif, pour permettre au secteur denté de pénétrer dans le dispositif. L'outil est ensuite déplacé latéralement vers la roue dentée de l'équipage mobile associé à un ressort. Le secteur denté doit ensuite être amené en aveugle dans une position d'engrènement avec la roue dentée. Dans cette position diffici le à atteindre, le secteur denté peut être mis en rotation pour effectuer le réglage de la tare du ressort. Lorsque les ressorts de deux soupapes adjacentes doivent être réglés, l'outil ayant assuré le réglage d'un premier ressort doit être déplacé latéral ement pour engrener avec la roue dentée adjacente selon la même procédure.However, the adjustment of the tare weight of a spring according to this known device is difficult. Indeed, the tool must be introduced with a certain orientation in the device, to allow the toothed sector to penetrate into the device. The tool is then moved laterally towards the toothed wheel of the mobile assembly associated with a spring. The toothed sector must then be brought blind into a position of engagement with the toothed wheel. In this difficult position to reach, the toothed sector can be rotated to perform the spring tare adjustment. When the springs of two adjacent valves must be adjusted, the tool that has set the first spring must be moved laterally to mesh with the adjacent toothed wheel according to the same procedure.
La structure d'un tel dispositif de commande de soupape engendre donc des opérations de réglage complexes qui sont difficilement compatibles avec une production industrielle à grande échelle. De plus, la complexité des opérations nécessaires au réglage de la tare des ressorts est susceptible d'entraîner des erreurs de réglage.The structure of such a valve control device therefore generates complex adjustment operations which are hardly compatible with large-scale industrial production. In addition, the complexity of the operations necessary for adjusting the tare of the springs is liable to cause adjustment errors.
Un but de la présente invention est de pallier tout ou partie des inconvénients de l'art antérieur relevés ci-dessus. A cette fin, le dispositif d'actionnement selon l'invention, par ailleurs conforme à la définition générique qu'en donne le préambule ci-dessus, est essentiellement caractérisé en ce que l'organe de commande est placé à demeure dans le boîtier de façon adjacente aux butées réglables des deux soupapes d'une même paire, le boîtier comportant des moyens de guidage et de positionnement de l'organe de commande sélectivement dans deux positions d'engrènement respectivement avec les deux butées réglables. Par ailleurs, l'invention peut comporter l'une ou plusieurs des caractéristiques suivantes : - les deux butées réglables d'une paire de soupapes sont situées dans des plans distincts décalés selon une direction de déplacement principal de l'organe de commande,An object of the present invention is to overcome all or part of the drawbacks of the prior art noted above. To this end, the actuation device according to the invention, furthermore in accordance with the generic definition given in the preamble above, is essentially characterized in that the control member is permanently placed in the housing. adjacent to the adjustable stops of the two valves of the same pair, the housing comprising means for guiding and positioning the control member selectively in two engagement positions respectively with the two adjustable stops. Furthermore, the invention may include one or more of the following characteristics: the two adjustable stops of a pair of valves are located in separate planes offset in a direction of main movement of the control member,
- le dispositif comporte des moyens de blocage de l'organe de commande dans une position désactivée interdisant le déplacement d'une butée réglable,the device comprises means for blocking the control member in a deactivated position preventing the movement of an adjustable stop,
- la position désactivée correspond à un engrènement simultané de l'organe de commande avec les deux butées réglables d'une paire de soupapes, - les moyens de blocage de l'organe comportent un axe mobile dans le boîtier apte à coopérer avec le corps de l'organe de commande,- the deactivated position corresponds to a simultaneous engagement of the control member with the two adjustable stops of a pair of valves, the means for blocking the member comprise a movable axis in the housing capable of cooperating with the body of the control member,
- l'organe de commande est monté coulissant dans le boîtier,- the control member is slidably mounted in the housing,
- la direction de coulissement de l'organe de commande est sensiblement parallèle aux directions de déplacements soupapes,the direction of sliding of the control member is substantially parallel to the directions of movement of the valves,
- la butée et l'organe de commande coopèrent en engrènement lors de leur rotation respective, et lorsque l'organe de commande est dans une position d'engrènement, les axes de rotation respectifs de la butée et l'organe de commande sont sensiblement parallèles- the stop and the control member cooperate in engagement during their respective rotation, and when the control member is in a engagement position, the respective axes of rotation of the stop and the control member are substantially parallel
- la butée comporte d'une bague taraudée montée sur le filetage extérieur d'une douille pourvue des moyens d'engrènement, la douille étant montée li bre en rotation et bloquée en translation par rapport au boîtier, la bague taraudée étant bloquée en rotation par rapport au boîtier, de façon que la rotation de la douille entraîne le déplacement de la bague taraudée le long de ladite douille,- The stop comprises a threaded ring mounted on the external thread of a socket provided with engagement means, the socket being mounted free in rotation and locked in translation relative to the housing, the threaded ring being locked in rotation by relative to the housing, so that the rotation of the sleeve causes the threaded ring to move along said sleeve,
- la douille a une forme générale d'un tube cylindrique dont une extrémité comporte une collerette, et en ce que les moyens d'engrènement sont formés sur la collerette,the bush has the general shape of a cylindrical tube, one end of which has a collar, and in that the meshing means are formed on the collar,
- les moyens de guidage et de positionnement comportent des moyens élastique sollicitant l'organe de commande vers l'une des positions d'engrènement,the guidance and positioning means comprise elastic means urging the control member towards one of the engagement positions,
- l'organe de commande comporte un corps en forme de tige et une roue dentée formée au niveau d'une des extrémité du corps, - l'organe de commande a une extrémité sensiblement affleurante au niveau d'une face du boîtier et comportant des moyens d'accouplement avec un organe de réglage, - le dispositif comprend, pour chaque soupape, une palette rendue solidaire en translation de la tige de la soupape, la palette étant disposée entre deux moyens d'aimantation, le dispositif comportant également deux ressorts antagonistes sollicitant l'ensemble soupape/palette vers une position d'équilibre.- the control member comprises a rod-shaped body and a toothed wheel formed at one of the ends of the body, - the control member has a substantially flush end at one face of the housing and comprising means of coupling with an adjusting member, - The device comprises, for each valve, a pallet made integral in translation with the valve stem, the pallet being disposed between two magnetization means, the device also comprising two opposing springs urging the valve / pallet assembly towards a position balance.
D'autres particularités et avantages apparaîtront à la lecture de la description ci-après, faite en référence aux figures dans lesquelles : - la figure 1 représente une vue en coupe longitudinale et schématique d'une soupape électromagnétique à laquelle peut s'appliquer l'invention ,Other features and advantages will appear on reading the description below, made with reference to the figures in which: - Figure 1 shows a longitudinal and schematic sectional view of an electromagnetic valve to which the invention,
- la figure 2 représente une vue en perspective illustrant schématiquement un dispositif d'actionnement de soupape selon l'invention, monté sur une culasse de moteur à combustion interne,FIG. 2 represents a perspective view schematically illustrating a valve actuation device according to the invention, mounted on a cylinder head of an internal combustion engine,
- la figure 3 représente une vue en perspective représentant schématiquement une partie de l'agencement d'un dispositif d'actionnement d'une paire de soupapes se lon l'invention,FIG. 3 represents a perspective view schematically showing part of the arrangement of an actuation device for a pair of valves according to the invention,
- la figure 4 représente une section verticale d'une partie du dispositif d'actionnement selon la ligne EE de la figure 3,FIG. 4 represents a vertical section of part of the actuating device along the line EE in FIG. 3,
- la figure 5 représente une vue en perspective éclatée d'une partie du dispositif d'actionnement des figures 3 et 4, illustrant une partie du mécanisme de commande d'une des deux soupapes,FIG. 5 represents an exploded perspective view of a part of the actuating device of FIGS. 3 and 4, illustrating a part of the control mechanism of one of the two valves,
- la figure 6 représente une vue en coupe transversale du dispositif selon la ligne DD de la figure 3 ou selon la ligne BB de la figure 7, - la figure 7 représente une vue en coupe horizontale du dispositif selon la ligne AA de la figure 6, - la figure 8 représente une vue de côté d'une partie seulement du dispositif de la figure 3 dans une première position de fonctionnement,- Figure 6 shows a cross-sectional view of the device along the line DD of Figure 3 or along the line BB of Figure 7, - Figure 7 shows a horizontal sectional view of the device along the line AA of Figure 6 , FIG. 8 represents a side view of only part of the device of FIG. 3 in a first operating position,
- la figure 9 représente une vue de dessus de l'agencement de la figure 8,FIG. 9 represents a top view of the arrangement of FIG. 8,
- la figure 10 représente une vue analogue à celle de la figure 8, dans une seconde position de fonctionnement.- Figure 10 shows a view similar to that of Figure 8, in a second operating position.
L'invention s'applique aux soupapes de moteur à combustion interne actionnées de façon électromagnétique. La figure 1 illustre un exemple d'actionneur d'une telle soupape dite "soupape électromagnétique". L'actionneur comprend classiquement une partie mobile constituée d'une tige 14 dont une extrémité est solidaire d'une palette 3 disposée entre deux électro-aimants 4, 5 (cf. également figure 4). L'autre extrémité de la tige 14 mobile est en appui sur l'extrémité de la tige de la soupape 1The invention applies to valves of an internal combustion engine actuated electromagnetically. Figure 1 illustrates an example of an actuator of such a valve called "electromagnetic valve". The actuator conventionally comprises a movable part consisting of a rod 14, one end of which is integral with a pallet 3 disposed between two electromagnets 4, 5 (cf. also FIG. 4). The other end of the movable rod 14 is supported on the end of the valve stem 1
Deux ressorts supérieur 6 et inférieur 7 sont montés de façon antagoniste sur l'ensemble tige /soupape 14, 1 de façon à solliciter cet ensemble vers une position d'équilibre (position représentée à la figure 1 ). Chacun des ressorts 6, 7 comprend une extrémité fixe rendue solidaire d'une butée fixe et une extrémité mobile rendue solidaire en translation directement ou indirectement de la soupape et/ou de la tige mobile 14. La palette 3 est soumise à l'action des électro-aimants 4, 5, de façon à déplacer et bloquer la soupape 1 en position ouverte ou fermée. La palette 3 et la soupape 1 peuvent être balancées par les ressorts 6, 7 entre les deux positions ouverte et fermée. La tare des ressorts 5, 6 doit être réglée de façon que, lorsque les électro-aimants 4, 5 ne sont pas activés, la soupape 1 et la palette 3 sont disposés dans la position d'équilibre entre les positions ouverte et fermée.Two upper 6 and lower 7 springs are mounted in an antagonistic manner on the rod / valve assembly 14, 1 so as to urge this assembly towards an equilibrium position (position represented in FIG. 1). Each of the springs 6, 7 comprises a fixed end made integral with a fixed stop and a movable end made integral in translation directly or indirectly with the valve and / or the movable rod 14. The pallet 3 is subjected to the action of electromagnets 4, 5, so as to move and block the valve 1 in the open or closed position. The pallet 3 and the valve 1 can be balanced by the springs 6, 7 between the two open and closed positions. The tare of the springs 5, 6 must be adjusted so that, when the electromagnets 4, 5 are not activated, the valve 1 and the pallet 3 are arranged in the equilibrium position between the open and closed positions.
En général, seul l'un des deux ressorts 6 associés à une soupape 1 a une tare réglable, pour permettre d'égaliser sa tare avec celle de l'autre ressort 7. Comme représenté à la figure 2, le mécanisme de commande des soupes 1 est en général intégré dans un boîtierIn general, only one of the two springs 6 associated with a valve 1 has an adjustable tare, to allow its tare to be equalized with that of the other spring 7. As shown in Figure 2, the soup control mechanism 1 is generally integrated in a housing
2 appelé "actionneur" qui est monté directement ou indirectement sur la culasse 19 d'un moteur à combustion interne.2 called "actuator" which is mounted directly or indirectly on the cylinder head 19 of an internal combustion engine.
Les figures 3 et 4 représente une partie du mécanisme de la figure 1 . Par soucis de simplification, les éléments identiques à ceux décrits ci-dessus sont désignés par les mêmes références numériques et ne seront pas décrits en détail une seconde fois.Figures 3 and 4 show part of the mechanism of Figure 1. For the sake of simplification, the elements identical to those described above are designated by the same reference numbers and will not be described in detail a second time.
Comme illustré aux figures 4 et 5, le ressort supérieur 6 du mécanisme a une première extrémité inférieure mobile qui est rendue solidaire de la tige 14 mobile au moyen d'une coupelle 20 inférieure et un dispositif d'accrochage conique 21 . L'extrémité supérieure du ressort 6 est rendue solidaire d'une rondelle d'appui 46 comprenant, par exemple, trois anneaux (cf. figure 5). La rondelle d'appui 46 est elle-même montée sur une bague 36 taraudée vissée sur le filetage extérieur d'une douille 26 cylindrique. La douille 26 est montée libre en rotation et bloquée en translation par rapport au boîtier 2. Plus précisément, la douille 26 comporte à son extrémité supérieure une collerette en appui sur le corps de l'actionneur (électro-aimant 5 par exemple) par l'intermédiaire d'une rondelle d'appui 22. Une denture est formée sur la bordure extérieure de la collerette de la douille 26 (cf. figure 5 notamment).As illustrated in FIGS. 4 and 5, the upper spring 6 of the mechanism has a first movable lower end which is made integral with the movable rod 14 by means of a lower cup 20 and a conical hooking device 21. The upper end of the spring 6 is made integral with a support washer 46 comprising, for example, three rings (cf. FIG. 5). The support washer 46 is itself mounted on a threaded ring 36 screwed onto the external thread of a cylindrical sleeve 26. The sleeve 26 is mounted to rotate freely and locked in translation relative to the housing 2. More specifically, the sleeve 26 has at its upper end a flange bearing on the body of the actuator (electromagnet 5 for example) by the 'Intermediate of a support washer 22. A toothing is formed on the outer edge of the collar of the sleeve 26 (cf. FIG. 5 in particular).
La bague 36 taraudée est bloquée en rotation par rapport au boîtier 2. Par exemple, comme représenté à la figure 7, la bague 36 taraudée comporte des épaulements 23 qui s'engagent dans des logements dans le corps du boîtier 2 et empêchent la rotation de la bague 36 autour de son axe.The threaded ring 36 is locked in rotation relative to the housing 2. For example, as shown in FIG. 7, the threaded ring 36 has shoulders 23 which engage in housings in the body of the housing 2 and prevent the rotation of the ring 36 around its axis.
Selon cet agencement, la rotation de douille 26 entraîne le déplacement de la bague 36 taraudée vers le long de ladite douille 26. Le sens de déplacement de la bague 36 taraudée le long de la douille 26 est déterminé par le sens de rotation de la douille 26 .According to this arrangement, the rotation of the bush 26 causes the threaded ring 36 to move along said bush 26. The direction of movement of the threaded ring 36 along the sleeve 26 is determined by the direction of rotation of the sleeve 26.
L'ensemble constitué de la douille 26, de la bague 36 taraudée et de la rondelle d'appui 46 forme une butée 16 réglable pour l'extrémité supérieure du ressort 6 comme décrit plus en détail ci-après.The assembly consisting of the sleeve 26, the threaded ring 36 and the support washer 46 forms an adjustable stop 16 for the upper end of the spring 6 as described in more detail below.
La denture de la douille 26 est destinée à coopérer avec un filetage complémentaire d'un organe 10 de commande de forme oblongue de préférence. A cet effet, le boîtier 2 comporte un logement 1 1 pour l'organe 10 situé à proximité des butées réglables 16 des deux soupapes 1 d'une même paire de soupapes.The toothing of the sleeve 26 is intended to cooperate with a complementary thread of a control member 10 preferably oblong in shape. For this purpose, the housing 2 includes a housing 1 1 for the member 10 located near the adjustable stops 16 of the two valves 1 of the same pair of valves.
L'organe 10 de commande comporte, par exemple, un corps en forme de tige et une roue dentée 8 formée au niveau d'une des extrémité du corps. L'organe 10 de commande est de préférence placé à demeure dans le boîtier 2. Le logement 1 1 du boîtier 2 est conformé pour guider l'organe de commande 10, de façon à permettant son déplacement sélectivement dans deux positions d'engrènement respectivement avec les deux butées réglables 16.The control member 10 comprises, for example, a rod-shaped body and a toothed wheel 8 formed at one of the ends of the body. The control member 10 is preferably placed permanently in the housing 2. The housing 1 1 of the housing 2 is shaped to guide the control member 10, so as to allow its movement selectively in two engagement positions respectively with the two adjustable stops 16.
Les butées 16 et l'organe de commande 10 coopèrent e n engrènement lors de leur rotation respective. De préférence, les axes de rotation respectifs de la butée 16 et l'organe de commande 10 sont sensiblement parallèles. L'organe 10 de commande est monté coulissant dans le boîtier 2 selon la direction de l'axe de symétrie longitudinal de son corps. De plus, cette direction de coulissement de l'organe 10 de commande est de préférence parallèle aux directions de déplacements des tiges 14 mobiles en appui sur les soupapes 1 .The stops 16 and the control member 10 cooperate in engagement during their respective rotation. Preferably, the respective axes of rotation of the stop 16 and the control member 10 are substantially parallel. The control member 10 is slidably mounted in the housing 2 in the direction of the longitudinal axis of symmetry of its body. In addition, this direction of sliding of the control member 10 is preferably parallel to the directions of movement of the movable rods 14 bearing on the valves 1.
Le logement 1 1 pour l'organe de commande 10 débouche sur une face du boîtier 2 de façon à permettre à l'extrémité de l'organe 10 située à l'opposée de la roue dentée 8 d'affleurer vers l'extérieur du boîtier 2. Cette extrémité affleurante de l'organe 10 de commande présente des moyens 25 d'accouplement, tels qu'une empreinte ou une forme appropriée permettant son accouplement avec un organe de réglage extérieur (non représenté). L'organe de réglage peut être, par exemple, une douille ou une clé manipulée manuellement par un opérateur ou par un robot.The housing 1 1 for the control member 10 opens onto one face of the housing 2 so as to allow the end of the member 10 located opposite the toothed wheel 8 to be flush with the exterior of the housing 2. This flush end of the control member 10 has coupling means 25, such as an imprint or an appropriate shape allowing it to be coupled with an external adjustment member (not shown). The adjusting member can be, for example, a socket or a key manipulated manually by an operator or by a robot.
Avantageusement, les deux butées réglables 16 de la paire de soupapes 1 sont situées respectivement dans deux plans distincts décalés selon une direction principale de déplacement de l'organe de commande 10 (cf. figure 4).Advantageously, the two adjustable stops 16 of the pair of valves 1 are located respectively in two distinct planes offset in a main direction of movement of the control member 10 (cf. FIG. 4).
Comme illustré à la figure , 8, les roues dentées des deux butées réglables 16 peuvent être situées dans des plans distincts faiblement décalés selon la direction de déplacement de l'organe 10 de commande. Un faible décalage des roues dentées tel que décrit précédemment permet de d isposer l'organe 10 de commande dans une troisième position dite désactivée dans laquelle l'organe 10 de commande engrène en même temps avec les deux butées réglables 16 d'une paire de soupapes 1 . Dans cette configuration la rotation des butées 16 et de l'organe 10 est "autobloquée".As illustrated in FIG. 8, the toothed wheels of the two adjustable stops 16 can be located in separate planes slightly offset according to the direction of movement of the control member 10. A small offset of the toothed wheels as described above makes it possible to place the control member 10 in a third so-called deactivated position in which the control member 10 meshes at the same time with the two adjustable stops 16 of a pair of valves. 1. In this configuration, the rotation of the stops 16 and of the member 10 is "self-locked".
Des moyens 15, 17 de blocage de l'organe 10 de commande dans la position désactivée peuvent être prévus. Comme illustré aux figures 6 et 9 notamment, ces moyens de blocage peuvent comprendre une vis pointeau 15 montée dans un taraudage du boîtier 2 et dont l'extrémité est apte à venir s'engager dans une rainure conjuguée 17 formée sur le corps de l'organe 10 de commande.Means 15, 17 for locking the control member 10 in the deactivated position can be provided. As illustrated in FIGS. 6 and 9 in particular, these blocking means may comprise a needle screw 15 mounted in a thread of the housing 2 and the end of which is capable of coming to engage in a conjugate groove 17 formed on the body of the control member 10.
Des moyens élastiques tels qu'un ressort 24 peuvent également être montés sur l'organe 10 de commande de façon à solliciter ce dernier vers une des positions d'engrènement. Par exemple, le ressort 24 est enfilé sur le corps de l'organe 10 de commande et a une extrémité en appui sur un circlips 27 montée sur ce même corps de l'organe 10. L'autre extrémité du ressort 24 peut venir en appui sur un épaulement formé par le logement 1 1 pour l'organe 10 à l'intérieur du boîtier 2. Le fonctionnement de l'exemple de réalisation de l'invention dont la structure a été décrite ci-dessus va à présent être expliqué.Elastic means such as a spring 24 can also be mounted on the control member 10 so as to urge the latter towards one of the engagement positions. For example, the spring 24 is threaded onto the body of the control member 10 and has one end bearing on a circlip 27 mounted on this same body of the member 10. The other end of the spring 24 can come to bear on a shoulder formed by the housing 1 1 for the member 10 inside the housing 2. The operation of the embodiment of the invention, the structure of which has been described above, will now be explained.
Lors de son montage, l'actionneur 2 peut être disposé de sorte que l'organe 10 de commande est bloqué dans sa position désactivée. C'est-à-dire que le corps de l'organe de commande est bloqué par la vis pointeau 15 de façon que la roue dentée 8 de l'organe 10 de commande engrène avec les deux butées réglables en même temps (position représentée à la figure 8).During its assembly, the actuator 2 can be arranged so that the control member 10 is locked in its deactivated position. That is to say that the body of the control member is locked by the needle screw 15 so that the toothed wheel 8 of the control member 10 meshes with the two adjustable stops at the same time (position shown at Figure 8).
S'il est nécessaire de régler la tare d'un premier ressort, par exemple, le ressort 6 situé à droite sur la figure 10 (à gauche sur la figure 4), un opérateur peut dévisser la vis pointeau 15 pour libérer l'organe de commande 10. Lorsque la vis pointeau 15 ne forme plus un blocage pour l'organe 10 de commande, ce dernier est déplacé automatiquement vers le haut dans son logement 1 1 sous l'action du ressort 24 mo nté sur son corps. Avantageusement, le dispositif peut être dimensionné de façon que le ressort 24 place l'organe 10 dans une position d'équilibre haute dans laquelle la roue dentée 8 engrène uniquement avec la denture de la douille 26 de la butée réglable 16 du premier ressort 6 (position représentée à la figure 10).If it is necessary to adjust the tare of a first spring, for example, spring 6 located on the right in Figure 10 (on the left in Figure 4), an operator can unscrew the needle screw 15 to release the organ control 10. When the needle screw 15 no longer forms a blockage for the control member 10, the latter is automatically moved upwards in its housing 1 1 under the action of the spring 24 mo nté on its body. Advantageously, the device can be dimensioned so that the spring 24 places the member 10 in a high equilibrium position in which the toothed wheel 8 meshes only with the toothing of the sleeve 26 of the adjustable stop 16 of the first spring 6 ( position shown in Figure 10).
L'organe 10 de commande peut ensuite être pivoté à l'aide d'un organe de réglage comme décrit précédemment, de façon à régler la tare du ressort 6 concerné.The control member 10 can then be pivoted using an adjustment member as described above, so as to adjust the tare of the spring 6 concerned.
Si l'autre ressort 6 adjacent (à droite sur la figure 4 et à gauche sur la figure 10) doit également être réglé, l'organe de réglage peut être accouplé à l'organe 10 de commande en exerçant sur ce dernier une pression vers l'intérieur du boîtier 2. L'organe 10 de commande est ainsi translaté vers le bas dans le boîtier 2 jusqu'à une une position basse dans laquelle la roue dentée 8 engrène cette fois uniquement avec le filetage de la douille 26 de la butée réglable 16 du second ressort (position non représentée aux figures par soucis de concision) A cet effet, le boîtier 2 peut former une butée pour l'organe 10 de commande limitant son déplacement vers l'intérieur du boîtier 2, au niveau de cette position basse.If the other adjacent spring 6 (on the right in FIG. 4 and on the left in FIG. 10) must also be adjusted, the adjustment member can be coupled to the control member 10 by exerting pressure on the latter. inside the housing 2. The control member 10 is thus translated downwards in the housing 2 to a low position in which the toothed wheel 8 meshes this time only with the thread of the sleeve 26 of the stop adjustable 16 of the second spring (position not shown in the figures for the sake of concision) To this end, the housing 2 can form a stop for the control member 10 limiting its movement towards the interior of the housing 2, at this low position.
Lorsque la tare des deux ressorts 6 est réglée, la vis pointeau 15 de blocage peut à nouveau être serrée pour garantir un réglage stable des ressorts 6. Le système peut être dimensionné de façon que, à partir de la position d'équilibre haute, le serrage de la vis pointeau entraîne la translation automatique de l'organe 10 de commande vers la position désactivée. Par exemple, la vis 15 de blocage peut coopérer avec des plans inclinés formé par la rainure 17 du corps de l'organe de commande 10When the tare of the two springs 6 is adjusted, the locking needle screw 15 can again be tightened to guarantee stable adjustment of the springs 6. The system can be dimensioned so that, from the high equilibrium position, the tightening the needle screw causes the automatic translation of the control member 10 to the deactivated position. For example, the locking screw 15 can cooperate with inclined planes formed by the groove 17 of the body of the control member 10
Ainsi, tout en étant de structure simple et peu coûteuse, le dispositif de commande selon l'invention permet, dans un volume réduit de garantir un réglable simple et fiables des ressorts de soupapes. L'invention n'est bien entendu pas limitée à l'exemple de réalisation décrit ci-dessus. Thus, while being simple and inexpensive in structure, the control device according to the invention makes it possible, in a reduced volume, to guarantee simple and reliable adjustment of the valve springs. The invention is of course not limited to the embodiment described above.

Claims

R E V E N D I C A T I O N S
1 . Dispositif d'actionnement d'au moins une paire de soupapes (1 ) de moteur à combustion interne disposé dans un boîtier (2) du type comportant, pour chaque soupape (1 ), des moyens (4, 5) d'aimantation, au moins un ressort (6) sollicitant la soupape (1 ) vers une position d'équilibre et comprenant une extrémité fixe rendue solidaire d'une butée réglable (16) et une extrémité mobile rendue solidaire en translation de la soupape (1 ), la butée (16) réglable comportant des moyens (26) d'engrènement aptes à coopérer avec des moyens (8) engrènement conjugués d'un organe de commande (10) pour permettre le déplacement de la butée (16) par rapport au boîtier (2), de façon à régler la tare du ressort (6), caractérisé en ce que l'organe de commande (10) est placé à demeure dans le boîtier (2) de façon adjacente aux butées réglables (16) des deux soupapes (1 ) d'une même paire, le boîtier (2) comportant des moyens de guidage et de positionnement de l'organe de commande (10) sélectivement dans deux positions d'engrènement respectivement avec les deux butées réglables ( 1 6) .1. Device for actuating at least one pair of valves (1) of an internal combustion engine disposed in a housing (2) of the type comprising, for each valve (1), means (4, 5) for magnetization, at less a spring (6) urging the valve (1) towards an equilibrium position and comprising a fixed end made integral with an adjustable stop (16) and a movable end made integral in translation with the valve (1), the stop (16) adjustable comprising engagement means (26) able to cooperate with engagement means (8) combined with a control member (10) to allow movement of the stop (16) relative to the housing (2) , so as to adjust the spring tare (6), characterized in that the control member (10) is permanently placed in the housing (2) adjacent to the adjustable stops (16) of the two valves (1) in the same pair, the housing (2) comprising means for guiding and positioning the control member ande (10) selectively in two engagement positions respectively with the two adjustable stops (1 6).
2. Dispositif selon la revendication 1 , caractérisé en ce que les deux butées réglables (16) d'une paire de soupapes (1 ) sont situées dans des plans distincts décalés selon une direction de déplacement principal de l'organe de commande ( 1 0) .2. Device according to claim 1, characterized in that the two adjustable stops (16) of a pair of valves (1) are located in separate planes offset in a direction of main movement of the control member (1 0 ).
3. Dispositif selon la revendication 1 ou 2, caractérisé en ce qu'il comporte des moyens (15, 17) de blocage de l'organe (10) de commande dans une position désactivée interdisant le déplacement d'une butée (16) réglable.3. Device according to claim 1 or 2, characterized in that it comprises means (15, 17) for blocking the control member (10) in a deactivated position preventing the movement of an adjustable stop (16) .
4. Dispositif selon la revendication 3, caractérisé en ce que la position désactivée correspond à un engrènement simultané de l'organe (10) de commande avec les deux butées réglables (16) d'une paire de soupapes (1 ). 4. Device according to claim 3, characterized in that the deactivated position corresponds to a simultaneous meshing of the control member (10) with the two adjustable stops (16) of a pair of valves (1).
5. Dispositif selon la revendication 3 ou 4 caractérisé en ce que les moyens de blocage de l'organe (10) comportent un axe (15) mobile dans le boîtier (2) apte à coopérer avec le corps (17) de l'organe (10) de commande.5. Device according to claim 3 or 4 characterized in that the means for blocking the member (10) comprise an axis (15) movable in the housing (2) capable of cooperating with the body (17) of the member (10) command.
6. Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce que l'organe (10) de commande est monté coulissant dans le boîtier (2).6. Device according to any one of the preceding claims, characterized in that the control member (10) is slidably mounted in the housing (2).
7. Dispositif selon la revendication 6, caractérisé en ce que la direction de coulissement de l'organe (10) de commande est sensiblement parallèle aux directions de déplacements soupapes (1 ).7. Device according to claim 6, characterized in that the sliding direction of the control member (10) is substantially parallel to the directions of movement of the valves (1).
8. Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce que la butée (16) et l'organe de commande (10) coopèrent en engrènement lors de leur rotation respective, et en ce que lorsque l'organe de commande (10) est dans une position d'engrènement, les axes de rotation respectifs de la butée (16) et l'organe de commande (10) sont sensiblement parallèles.8. Device according to any one of the preceding claims, characterized in that the stop (16) and the control member (10) cooperate in engagement during their respective rotation, and in that when the control member ( 10) is in a meshing position, the respective axes of rotation of the stop (16) and the control member (10) are substantially parallel.
9. Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce que la butée (16) comporte d'une bague (36) taraudée montée sur le filetage extérieur d'une douille (26) pourvue des moyens d'engrènement, la douille (26) étant montée libre en rotation et bloquée en translation par rapport au boîtier (2), et en ce que la bague (36) taraudée est bloquée en rotation par rapport au boîtier (2), de façon que la rotation de la douille (26) entraîne le déplacement de la bague (36) taraudée le long de ladite douille (26).9. Device according to any one of the preceding claims, characterized in that the stop (16) comprises a threaded ring (36) mounted on the external thread of a socket (26) provided with engagement means, the bush (26) being mounted free in rotation and locked in translation relative to the housing (2), and in that the threaded ring (36) is locked in rotation relative to the housing (2), so that the rotation of the bush (26) causes the threaded ring (36) to move along said bush (26).
10. Dispositif selon la revendication 9, caractérisé en ce que la douille (26) a une forme générale d'un tube cylindrique dont une extrémité comporte une collerette, et en ce que les moyens d'engrènement sont formés sur la collerette. 10. Device according to claim 9, characterized in that the sleeve (26) has the general shape of a cylindrical tube, one end of which comprises a collar, and in that the meshing means are formed on the collar.
1 1 . Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce que les moyens de guidage et de positionnement comportent des moyens (24) élastique sollicitant l'organe de commande (10) vers l'une des positions d'engrènement.1 1. Device according to any one of the preceding claims, characterized in that the guiding and positioning means comprise elastic means (24) urging the control member (10) towards one of the engagement positions.
12. Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce que l'organe de commande (10) comporte un corps en forme de tige et une roue dentée (8) formée au niveau d'une des extrémité du corps.12. Device according to any one of the preceding claims, characterized in that the control member (10) comprises a rod-shaped body and a toothed wheel (8) formed at one of the ends of the body.
13. Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce que l'organe de commande (10) a une extrémité sensiblement affleurante au niveau d'une face du boîtier (2) et comportant des moyens (14) d'accouplement avec un organe de réglage.13. Device according to any one of the preceding claims, characterized in that the control member (10) has a substantially flush end at one face of the housing (2) and comprising coupling means (14) with an adjusting member.
14. Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce qu'il comprend, pour chaque soupape (1 ), une palette (3) rendue solidaire en translation de la tige de la soupape (1 ), la palette (3) étant disposée entre deux moyens (4, 5) d'aimantation, et deux ressorts (6, 7) antagonistes sollicitant l'ensemble soupape/palette (1 , 3) vers une position d'équilibre.14. Device according to any one of the preceding claims, characterized in that it comprises, for each valve (1), a pallet (3) made integral in translation with the valve stem (1), the pallet (3 ) being arranged between two magnetization means (4, 5), and two opposing springs (6, 7) urging the valve / vane assembly (1, 3) towards an equilibrium position.
15. Moteur à combustion interne muni d'au moins une paire de soupapes, caractérisé en ce qu'il comporte un dispositif d'actionnement conforme à l'une quelconque des revendications précédentes. 15. Internal combustion engine provided with at least one pair of valves, characterized in that it comprises an actuating device according to any one of the preceding claims.
EP05762748A 2004-05-19 2005-05-19 Valve actuating device Not-in-force EP1751403B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0450999A FR2870563B1 (en) 2004-05-19 2004-05-19 VALVE ACTUATING DEVICE
PCT/FR2005/050345 WO2005112543A1 (en) 2004-05-19 2005-05-19 Valve actuating device

Publications (2)

Publication Number Publication Date
EP1751403A1 true EP1751403A1 (en) 2007-02-14
EP1751403B1 EP1751403B1 (en) 2007-11-07

Family

ID=34945057

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05762748A Not-in-force EP1751403B1 (en) 2004-05-19 2005-05-19 Valve actuating device

Country Status (8)

Country Link
US (1) US7540265B2 (en)
EP (1) EP1751403B1 (en)
JP (1) JP4879171B2 (en)
AT (1) ATE377697T1 (en)
DE (1) DE602005003222T2 (en)
ES (1) ES2296208T3 (en)
FR (1) FR2870563B1 (en)
WO (1) WO2005112543A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9090315B1 (en) 2010-11-23 2015-07-28 Piedra—Sombra Corporation, Inc. Optical energy transfer and conversion system
US9873495B2 (en) 2014-12-19 2018-01-23 Stone Aerospace, Inc. System and method for automated rendezvous, docking and capture of autonomous underwater vehicles
US10081446B2 (en) 2015-03-11 2018-09-25 William C. Stone System for emergency crew return and down-mass from orbit
US10598404B2 (en) 2016-06-29 2020-03-24 Research Products Corporation Damper with adjustable resistance to blade motion
US11493233B2 (en) 2016-09-26 2022-11-08 Stone Aerospace, Inc. Direct high voltage water heater

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2714998B1 (en) * 1994-01-07 1996-02-09 Peugeot Method for controlling a bistable electromagnetic actuator and device for its implementation.
DE19506566A1 (en) * 1995-02-24 1996-08-29 Bayerische Motoren Werke Ag Electromagnetic piston valve actuation device for internal combustion engine
DE19631909A1 (en) 1995-08-08 1997-02-13 Fev Motorentech Gmbh & Co Kg Adjustment of null position of piston engine valve actuator armature - has adjustment of armature element position while measuring and comparing inductance values of electromagnets
FR2792031B1 (en) 1999-04-09 2001-06-08 Sagem ELECTROMAGNETIC VALVE CONTROL DEVICE
FR2792679B1 (en) * 1999-04-23 2001-07-27 Sagem ADJUSTABLE VALVE CONTROL DEVICE AND METHOD FOR ADJUSTING SUCH A DEVICE
DE10218737A1 (en) * 2002-04-26 2003-12-11 Bayerische Motoren Werke Ag Device for adjusting a stroke actuator for a gas exchange valve arranged in a cylinder head of an internal combustion engine
US6997146B2 (en) * 2002-05-22 2006-02-14 Toyota Jidosha Kabushiki Kaisha Start control method and apparatus for solenoid-operated valves of internal combustion engine

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2005112543A1 *

Also Published As

Publication number Publication date
EP1751403B1 (en) 2007-11-07
DE602005003222T2 (en) 2008-08-28
US20080163834A1 (en) 2008-07-10
JP4879171B2 (en) 2012-02-22
DE602005003222D1 (en) 2007-12-20
ATE377697T1 (en) 2007-11-15
FR2870563A1 (en) 2005-11-25
FR2870563B1 (en) 2006-06-30
WO2005112543A1 (en) 2005-12-01
JP2007538195A (en) 2007-12-27
US7540265B2 (en) 2009-06-02
ES2296208T3 (en) 2008-04-16

Similar Documents

Publication Publication Date Title
CA2289718C (en) Tension-relieving hook coupling for joining pipes
FR2743764A1 (en) Vehicle seat back angle adjustment mechanism with two rotary flanges
FR2750186A1 (en) CONTROL MECHANISM OF A ROTATING MEMBER BY MEANS OF A PIVOTING HANDLE, AND SEAT EQUIPPED WITH SUCH A MECHANISM
EP1751403B1 (en) Valve actuating device
EP0348276B1 (en) Central pivoting arm rest for an automotive-vehicle seat
EP0750087B1 (en) Improved lock, in particular for fixing a carseat to the carfloor
FR2525001A1 (en) DEVICE FOR THE PROGRESSIVE ADJUSTMENT OF THE RELATIVE POSITIONS OF TWO MUTUALLY DISPLACABLE ORGANS
EP0840857A1 (en) Automatic device for index guiding a movable part pivotably mounted about an axis on a part considered to be stationary relative to said axis
EP0436452A2 (en) Door or window fitting, comprising means for holding the wing in open position
FR2956716A1 (en) ELECTROMAGNETIC VALVE FOR CONTROLLING A FLUID
WO2010081978A1 (en) Device for automatically locking a first assembly with a second assembly and application for mounting an under-shell assembly under the shell of an automobile
EP1316470B1 (en) Device for translational moving and arresting of a smooth bar by torque lock of a blocking element
FR2705726A1 (en) Exhaust gas direction valve mechanism for a transport vehicle
FR2786520A1 (en) Lock mounting and support piece, comprises a an internal camming unit actuating retention ball units
EP1751404B1 (en) Valve actuating device
EP0185565B1 (en) Leveling valve for controlling the position of a first element with respect to a second element, and application of such a valve to a pneumatic cushion suspension
FR2979890A1 (en) SUPPORT MEMBER TO BE FASTENED ON A SUPPORT STRUCTURE OF A MOTOR VEHICLE BOX
FR2798628A1 (en) Hinge and locking device for vehicle seat, has locking bolt mounted on fixed plate, and parallel to hinge axis, and able to move longitudinally to pass through one of series of openings in moving plate
EP0794305A1 (en) Key for cylinder lock and cylinder lock operatable with said key
FR2613805A2 (en) System for controlling a mechanical device capable of occupying several positions between an extreme open position and an extreme closed position
FR2705741A1 (en) Boosted pneumatic control device
EP0903502A1 (en) Actuator for locking and unlocking
FR2812602A1 (en) Console assembly esp for motor vehicle has sliding mechanism enclosed at least partially inside console compartment
FR2913711A1 (en) Lock, has transmission part cooperated with dead bolt such that rotation of transmission part along rotation axis drives displacement of dead bolt in horizontal direction perpendicular to vertical direction
FR2619408A1 (en) Nut for a locking fixture such as a lock, espagnolette, espagnolette lock or the like

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20061115

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU MC NL PL PT RO SE SI SK TR

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

DAX Request for extension of the european patent (deleted)
GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU MC NL PL PT RO SE SI SK TR

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

Free format text: NOT ENGLISH

REG Reference to a national code

Ref country code: IE

Ref legal event code: FG4D

Free format text: LANGUAGE OF EP DOCUMENT: FRENCH

REG Reference to a national code

Ref country code: CH

Ref legal event code: EP

REF Corresponds to:

Ref document number: 602005003222

Country of ref document: DE

Date of ref document: 20071220

Kind code of ref document: P

GBT Gb: translation of ep patent filed (gb section 77(6)(a)/1977)

Effective date: 20080116

REG Reference to a national code

Ref country code: ES

Ref legal event code: FG2A

Ref document number: 2296208

Country of ref document: ES

Kind code of ref document: T3

REG Reference to a national code

Ref country code: GB

Ref legal event code: 746

Effective date: 20080329

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20080207

Ref country code: NL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20071107

NLV1 Nl: lapsed or annulled due to failure to fulfill the requirements of art. 29p and 29m of the patents act
PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20071107

Ref country code: BG

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20080207

Ref country code: IS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20080307

Ref country code: LT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20071107

Ref country code: PL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20071107

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: AT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20071107

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20071107

Ref country code: CZ

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20071107

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20071107

Ref country code: RO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20071107

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: PT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20080407

REG Reference to a national code

Ref country code: IE

Ref legal event code: FD4D

26N No opposition filed

Effective date: 20080808

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20071107

BERE Be: lapsed

Owner name: PEUGEOT CITROEN AUTOMOBILES

Effective date: 20080531

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MC

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20080531

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20080208

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20071107

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: BE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20080531

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: EE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20071107

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: CY

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20071107

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LI

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20090531

Ref country code: CH

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20090531

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LU

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20080519

Ref country code: HU

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20080508

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: TR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20071107

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20120423

Year of fee payment: 8

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 20120625

Year of fee payment: 8

Ref country code: GB

Payment date: 20120423

Year of fee payment: 8

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: IT

Payment date: 20120421

Year of fee payment: 8

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: ES

Payment date: 20120420

Year of fee payment: 8

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 20130519

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20131203

REG Reference to a national code

Ref country code: DE

Ref legal event code: R119

Ref document number: 602005003222

Country of ref document: DE

Effective date: 20131203

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20130519

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST

Effective date: 20140131

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20130519

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20130531

REG Reference to a national code

Ref country code: ES

Ref legal event code: FD2A

Effective date: 20140606

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: ES

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20130520