EP2796626B1 - Dispositif destiné à l'actionnement fluidique d'un clapet de sortie - Google Patents

Dispositif destiné à l'actionnement fluidique d'un clapet de sortie Download PDF

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Publication number
EP2796626B1
EP2796626B1 EP13164885.9A EP13164885A EP2796626B1 EP 2796626 B1 EP2796626 B1 EP 2796626B1 EP 13164885 A EP13164885 A EP 13164885A EP 2796626 B1 EP2796626 B1 EP 2796626B1
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EP
European Patent Office
Prior art keywords
valve
actuation
piston
fluid
fluidic
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EP13164885.9A
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German (de)
English (en)
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EP2796626A1 (fr
Inventor
Marco Oberholzer
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Geberit International AG
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Geberit International AG
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    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
    • E03D5/00—Special constructions of flushing devices, e.g. closed flushing system
    • E03D5/02—Special constructions of flushing devices, e.g. closed flushing system operated mechanically or hydraulically (or pneumatically) also details such as push buttons, levers and pull-card therefor
    • E03D5/024—Operated hydraulically or pneumatically

Definitions

  • the present invention relates to a device for the fluidic actuation of a drain valve according to the preamble of claim 1.
  • the shows EP 1 719 846 Such a pneumatically actuable actuator.
  • This actuator comprises an actuator connected to a drain valve via a pipeline.
  • the actuating element comprises a bellows, which can be actuated by two buttons.
  • the button compress the bellows differently, so that when pressed with a button, a larger volume of air can be removed from the bellows, as with the operation of the other button. This allows a Zweimengen Introduceung be achieved.
  • a disadvantage of the EP 1 719 846 is the arrangement of the bellows, because its life does not allow the desired number of operations. In addition, the assembly effort is significant and error-prone.
  • EP 1 719 846 and EP 1 498 553 A disadvantage of the technical teaching of EP 1 719 846 and EP 1 498 553 is the fact that the drain valve is controlled by the volume of air, which allows only an imprecise control of the drain valve.
  • an actuating device which acts on two different control lines with a pressure pulse.
  • the air outlet from the actuator is controlled by a transverse ram, which is actuated upon actuation of a key against the restoring force of a spring and remains on actuation of the other key in the starting position.
  • the plunger always blocks one of the two control lines.
  • a disadvantage of the CN 201214818 is the arrangement of the ram, which makes the structure technically complex. In addition, the movement of the button on the ram must be redirected, which is detrimental to the reliability.
  • the present invention seeks to provide a dual-quantity actuator, which overcomes the disadvantages of the prior art.
  • a particularly reliable functioning and compact actuator should be specified.
  • a fluidic actuator for actuating a drain valve in a cistern comprises a first actuator for triggering a partial flush, a second actuator for triggering a full flush, wherein the actuators for actuating the drain valve from a starting position can be moved to an end position, a cylinder having a piston chamber and a piston movable in the piston chamber, and two different fluidically connected to the piston chamber fluid outlets, to which a respective control line of the drain valve can be connected.
  • a fluid present in the piston chamber is movable to and through the fluid outlets.
  • the two actuators act on the one piston and move it when actuated in the piston chamber from a starting position to an end position.
  • the actuators act either directly or indirectly via other elements on the piston.
  • Each of the actuators comprises a valve, which a valve when actuated by the corresponding actuating element opens the fluid outlet assigned to it for the fluid, so that the fluid forcibly flows out of the piston chamber through this fluid outlet.
  • the other valve, which is associated with the actuating element, which is not actuated, is not actuated, whereby this valve remains closed.
  • valves and their assignment to the actuators ensures that only the fluid outlet in question is supplied upon actuation of the respective actuating element with the fluid, while the other fluid outlet remains securely closed by the other valve due to the non-actuation. As a result, incorrect operations can be almost excluded. Further, due to the arrangement of a single cylinder, the size, in particular the depth seen in the direction of actuation or the diameter can be reduced.
  • the number of valves is equal to the number of actuators, each of the actuators is assigned exactly one single valve. Consequently, therefore, one of the actuators can serve with its associated valve the triggering of the full flush and the other of the actuator with its associated valve of the triggering of the partial flush.
  • the valve provides a portion of the fluid exit leading from the piston chamber.
  • the fluid outlet may also be referred to as a fluid channel, wherein the state fluid channel is controllable by the valve.
  • valves are arranged in a piston rod adjoining the piston.
  • valves are arranged in the piston itself. Due to the arrangement in the piston rod or in the piston itself, the size, in particular the diameter, can be further reduced.
  • the actuators act on the pistons via the valves or parts of the valves.
  • the movement of the actuating elements is thus transmitted indirectly via the valves or their parts thereof to the piston.
  • the valve comprises a valve seat, a valve stem with a sealing member cooperating with the valve seat and a return element.
  • the actuating element preferably acts on the valve stem against the restoring force provided by the return element.
  • the interaction between valve seat and sealing element controls the fluid outlet. In other words, it can also be said that the valve seat and the sealing element seal or open the fludical connection between piston chamber and fluid outlet.
  • the valve comprises a lower valve seat and an upper valve seat, a valve stem with two sealing elements cooperating with the valve seats and a return element, wherein the actuating element preferably acts on the valve stem and wherein the valve seat and sealing element control the fluid outlet.
  • the lower valve seat and the lower sealing element preferably close the mouth of the valve in the piston chamber.
  • the return element holds the valve stem in a closed position in which the fluid outlet is closed.
  • the return element ensures the return of the valve stem after actuation by the actuators.
  • the valve stem essentially occupies two stable layers, namely a closure layer and a release layer.
  • the valve stem is movable between these layers, wherein in the closed position, the one sealing element rests on the lower valve seat and wherein in the release position, the other sealing element rests on the upper valve seat.
  • the upper valve seat comes into contact with the valve stem during the movement of the valve stem, the movement of the actuating elements being transferable to the piston via this contact.
  • the contact preferably takes place via the sealing element and / or a plunger flange formed or fastened to the plunger. Seal element and / or ram flange act on the piston.
  • the valve, in particular the valve stem from a closure position along the same direction as the respective actuating element in a release position movable.
  • the valve stem is preferably mounted in a valve bore.
  • the valve bore opens into the piston chamber and communicates with or provides a part of one of the fluid outlets, wherein in the closed position the valve closes the valve bore between the fluid outlet and the piston chamber and thus closes the fluid outlet and releases the valve bore between fluid outlet and piston chamber when actuated and so the fluid outlet opens.
  • the fluid can flow through the gap between the valve bore and valve stem to the fluid outlet.
  • the piston with a return element, in particular a compression spring, after actuation of the end position can be brought to the starting position.
  • a return element in particular a compression spring, arranged for the actuating elements, with which after actuation, the actuating element can be brought from the end position to the starting position, wherein a return element is preferably arranged per actuating element.
  • the actuating elements are mounted movably on guide pins, wherein the guide pins are preferably mounted or formed on the piston chamber
  • the actuating device comprises a housing, wherein the housing provides at least the piston chamber and possibly the control piston chamber and wherein the fluid outlets are arranged at an angle, preferably at right angles, to the piston chamber or to the control piston chamber.
  • FIG. 1 an embodiment of a fluidic actuator 1 for the operation of a drain valve in a cistern is shown.
  • a fluid can be set in motion, wherein the fluid then acts as a control variable to a drain valve operable with the fluid.
  • the drain valve is thus raised by a fluid pulse, whereby a flushing process is initiated.
  • Under a fluid is preferably understood ambient air here.
  • the term fluid also includes other gaseous substances or liquids.
  • the actuating device 1 comprises a first actuating element 2 for triggering a partial flush and a second actuating element 3 for triggering a full flush. It is therefore a two-quantity actuator 1.
  • the two actuators 2, 3 are for actuating the drain valve of a Initial position movable into an end position. After actuation, the actuators 2, 3 are returned from the end position in turn to the starting position. Upon actuation, a corresponding pressure pulse is transmitted through the fluid to the drain valve.
  • the actuator 1 also includes a cylinder 4 with a piston chamber 5 and a piston 6 movable in the piston chamber 6.
  • the actuator 1 comprises two different fluid outputs 7, 8.
  • the fluid outputs 7, 8 lead away from the piston chamber 5 and to the fluid outputs 7, 8, as in the sectional view of Figures 5 and 6 shown, each a control line of the drain valve connectable.
  • the fluid outlets 7, 8 can also be referred to as fluid channels. Consequently, the actuator 1 is connected via two control lines, not shown, with a correspondingly formed drain valve in connection. During a movement of the piston 6, a fluid present in the piston chamber 5 is moved through one of the two fluid outlets 7, 8.
  • the fluid is then brought via the control lines to the drain valve, which is actuated by the fluid.
  • the drain valve is raised and kept open via elements of the drain valve, such as floats, until the predetermined amount of wash water has been removed from the cistern.
  • the two actuating elements 2, 3 act on a single piston 6.
  • the piston 6 is moved in the piston chamber from an output length in an end position when actuated.
  • the piston 6 is shown in the starting position and in the Figures 3 and 4 the piston 6 is in the end position.
  • the actuators 2, 3 act indirectly via valves 9, 10 on the piston 6.
  • Each of the actuating elements 2, 3 comprises a valve 9, 10 or each of the actuating element 2, 3 is associated with a valve 9, 10.
  • the corresponding valve 9, 10 opens upon actuation of the corresponding actuating elements 2, 3. Consequently, therefore, one of the two fluid outlets 7, 8 is opened for the fluid, whereby the fluid can flow out through the no longer sealed fluid outlet 7, 8. The other fluid outlet remains closed. Thus, the fluid will necessarily have to flow out through the fluid outlet opened by the fluid.
  • This will be in the Figures 3 and 4 shown well by the dashed line F in the region of the valve.
  • the dashed line shows the path for the fluid to the level of the respective associated with the valve fluid outlet.
  • the user has actuated the actuator 2.
  • the actuating element 2 is shown here in its end position.
  • the fluid outlet 7 is opened by the actuation of the valve 9 for the fluid F.
  • the fluid F which was located in the piston chamber 5 before actuation, flowed out via the fluid outlet 7 along the dashed line F.
  • the other fluid outlet 8 remains closed by the other valve 10, wherein no outflow of the fluid from the piston chamber 5 through the fluid outlet 8 is made possible.
  • only one of the fluid outputs 7 or 8 is acted upon by the actuation of one of the actuators with a pressure pulse, whereby only those elements are controlled at the drain valve, which are provided for the corresponding flush.
  • valves 9, 10 has the advantage that only a single cylinder 4 is provided for the provision of the pressure pulse. Consequently, the space of such an actuator 1 can be chosen substantially smaller than in devices with telescopic cylinders or double-arranged cylinders. In addition, the reliability is increased because it is always ensured by the active opening of the corresponding fluid outlet 7, 8, that the fluid must flow through the other fluid outlet.
  • valves 9, 10 are arranged in the preferred embodiment in the piston 6 and in the piston rod 34 of the piston. By this arrangement, the installation space can be further reduced, which further increases the compactness of the actuator 1.
  • Each of the actuators 2, 3 preferably comprises a single associated valve 9, 10.
  • the valve 9, 10 is actuated by the actuator 2, 3 accordingly.
  • the valve 9, 10 comprises in the embodiment shown a lower valve seat 15 and an upper valve seat 16, a valve stem 11 with two with the valve seats 15, 16 cooperating sealing elements 17, 18 and a return element 19.
  • the return element 19 is in the FIG. 5 shown. Via the valve seats 15, 16 and the sealing elements 17, 18 of the fluid outlet 7, 8 is controlled.
  • the actuator 2, 3 acts as in the Figures 3 and 4 shown here, the actuators 2, 3 via a control edge 26 on the valve stem 16.
  • the control edge 26 is preferably on the valve stem 11 at.
  • the return element 19 holds the valve stem 11 in a closed position. In the closed position, the fluid outlet from the piston chamber 5 is made impossible because the sealing element 17 rests against the valve seat 15. As a result, the access to the fluid outlet 7, 8 or the fluid outlet 7, 8 itself is closed.
  • the closure position is in both valves 9, 10 in the FIG. 2 shown. In the FIG. 3 and 4 is in each case one of the valves 9, 10 in the closed position and the other of the valves 9, 10 in the release position.
  • the valve stem 11 essentially occupies two stable positions or positions, namely the closed position and a release position.
  • the valve stem 11 is movable between these two positions or positions. In the closed position, the lower seal member 17 rests on the lower valve seat 15 and in the release position is the upper seal member 18 on the upper valve seat.
  • the fluid F flows through the gap between the lower sealing element 17 and the lower valve seat 15 and through the annular gap 14 between the valve stem 11 and the valve bore 13.
  • valve stem 11 Upon actuation, the valve stem 11 is moved from the closed position to the released position. In this case, during the movement of the valve stem 11, the valve stem 11 comes into contact with the piston 6. The contact between the lower sealing member 17 and the lower valve seat 15 is released. Via the contact between the valve stem 11 and the upper valve seat 16, the movement of the corresponding actuating element 2, 3 can be transmitted to the piston 6.
  • valve stem 11 In a further embodiment, the contact between the valve stem 11 and the piston 6 via the upper sealing member 18 and the valve seat 16 and / or via an actuating surface 31 and a Stumbleelflansch 20 done.
  • the ram flange 20 is integrally formed on the valve stem 11 and projects laterally from the valve stem 11.
  • valve 9, 10, in particular the valve stem 11 is movable from the closed position along the same direction as the respective actuating element 2, 3 in the release position. This has the advantage that no movement deflection occurs, which increases the reliability of the actuator.
  • valve stem 11 is mounted in a valve bore 13.
  • Said valve bore 13 opens into the piston chamber 5 and thus forms the fluid outlet 7, 8 or a part of the fluid outlet 7, 8.
  • the discharge point into the piston chamber 5 can be referred to as the lower discharge point and bears the reference numeral 43.
  • the discharge point 43 in FIG the piston chamber opens the valve bore into the valve housing or into the open, wherein this upper mouth point 44 is closed by the upper sealing member 18, if necessary.
  • valve closes the valve bore 13, whereby the fluid outlet 7, 8 is closed.
  • valve stem Upon actuation of the valve stem is moved from the closed position to the release position, wherein the valve the Fluid outlet 7, 8 releases, so that the fluid located in the piston chamber 5 can pass through the valve bore 13 and the corresponding fluid outlet 7, 8 to the purge valve.
  • the upper mouth is closed by the upper seal member 18 and the upper valve seat 15.
  • the lower valve seat 15 and the upper valve seat 16 are each provided by an end face surrounding the valve bore 13.
  • the sealing elements 17, 18 act on the end face.
  • the valve bore 13 is preferably cylindrical.
  • valve 9, 10 moves back a defined distance.
  • valve stem 11 is moved over a first movement section.
  • the piston 6 is moved in the piston chamber 5, in which case the fluid from the piston chamber 5 through the open Valve 9 or 10 also flows out.
  • the fluid outlet 7, 8 comprises an opening 21, 22 which is arranged in the wall 23 of the piston 6 or the piston rod 34.
  • the piston 6 can be brought with a return element 28, here in the form of a pressure spring arranged in the piston chamber 5 from the end position to the starting position.
  • the compression spring thus pushes the piston 6 after actuation of the bottom 36 of the piston chamber back to the starting position.
  • the restoring element 28 is correspondingly subjected to a force and compressed against the restoring force.
  • the return element 28 can also also serve as a return element for the two actuators 2, 3.
  • an additional return element 29, 30 can also be arranged per actuating element 2, 3.
  • a corresponding compression spring 29, 30 is shown.
  • the compression springs 29, 30 extend around a guide pin 24 around here.
  • This pressure spring 29, 30 returns the actuator 2, 3 after the operation of the end position in the starting position and holds the actuator 2, 3 in the corresponding starting position.
  • each actuating element 2, 3 each arranged a return element.
  • the arrangement of the additional return elements 29, 30 has the advantage that the return of the operating buttons 2, 3 can be done with a greater speed than the provision of the piston 6. This is more ergonomic for the user, because the fast reset, the user better recognize the triggering of the flushing.
  • the piston 6 also has an actuating surface 31.
  • the actuating surface 31 is part of the piston rod 34, which adjoins the piston 6.
  • the actuating movement of the actuating elements 2, 3 is transmitted to the piston 6 and the piston rod 34 when the actuators 2, 3 act directly on the piston 6.
  • the actuators 2, 3 are then in contact with the actuating surface 31 in contact.
  • the actuators 2, 3 act on the single piston 6.
  • the actuators 2, 3 may be in the provision of the actuating surface 31 in contact.
  • the piston is mounted to the housing, wherein the housing has a corresponding bearing opening 41.
  • the storage opening 41 is arranged in the wall 37 of the piston chamber.
  • the wall 37 also separates the piston chamber 5 to the actuators 2, 3 from.
  • the piston 6 With respect to the side wall 37 of the piston chamber 5, the piston 6 is provided with a seal 38 sealed.
  • the actuating device 1 preferably comprises a housing 32, wherein the housing 32 at least the piston chamber 5 provides so both fluid outlets 7, 8 are arranged laterally to the piston chamber 5.
  • the openings 20, 21 are also arranged laterally to the piston chamber.
  • a valve 33 is arranged in the piston 6, .
  • the valve may be, for example, a diaphragm valve or a small-diameter opening.
  • the valve 33 opens during the movement of the piston 6 from the end position to the starting position, so that ambient air or a replacement fluid can flow into the piston chamber 5 through the piston 6.
  • the cylinder bottom 36 is here formed on the outer wall 27.
  • the piston chamber 5 is also limited by the wall 23, which is part of an insert 45 which is in communication with the outer wall 27.
  • the connection latching elements 46 are provided, which project into corresponding openings arranged in the wall 23.
  • the present actuating device 1 can be made extremely compact with the one piston 6 responsible for the actuation.
  • a particularly compact actuating device 1 with respect to a view perpendicular to the actuating buttons 2, 3 are provided.
  • the installation depth along the actuation axis and the diameter is comparatively compact, which has a further advantage.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Fluid-Driven Valves (AREA)

Claims (17)

  1. Dispositif d'actionnement fluidique (1) pour actionner une vanne de décharge dans un réservoir d'eau de rinçage comprenant
    un premier élément d'actionnement (2) pour déclencher un rinçage de quantité partielle, un deuxième élément d'actionnement (3) pour déclencher un rinçage de quantité entière, où les éléments d'actionnement (2, 3) peuvent être déplacés pour actionner la vanne de décharge depuis une position initiale vers une position finale,
    un cylindre (4) avec une chambre de piston (5) et un piston (6) pouvant être déplacé dans la chambre de piston (5), et
    deux sorties de fluide différentes (7, 8) qui sont fluidiquement reliées à la chambre de piston (6), auxquelles une conduite de commande de la vanne de décharge peut être reliée respectivement, où un fluide (F) présent dans la chambre de piston (5) peut être déplacé vers et à travers les sorties de fluide (7, 8) par le mouvement du piston (6),
    où les deux éléments d'actionnement (2, 3) agissent directement et/ou indirectement sur le piston (6) et déplacent celui-ci depuis une position initiale vers une position finale dans l'espace de piston (5) lors d'un actionnement,
    caractérisé en ce que
    chacun des éléments d'actionnement (2, 3) comporte respectivement une vanne (9, 10), laquelle vanne (9, 10), lors de l'actionnement par l'élément d'actionnement correspondant, ouvre la sortie de fluide (7, 8) pour le fluide (F) qui lui est attribuée, de sorte que le fluide (F) s'écoule forcément de la chambre de piston (5) à travers cette sortie de fluide (8, 7).
  2. Dispositif d'actionnement fluidique (1) selon la revendication 1, caractérisé en ce que les vannes (9, 10) sont disposées dans une tige de piston (34) continue au piston (6) ou que les vannes (9, 10) sont disposées dans le piston (6).
  3. Dispositif d'actionnement fluidique (1) selon la revendication 1 ou 2, caractérisé en ce que les éléments d'actionnement (2, 3) agissent sur le piston (6) à travers les vannes (9, 10) ou des parties des vannes (9, 10).
  4. Dispositif d'actionnement fluidique (1) selon l'une des revendications précédentes, caractérisé en ce que chacune des vannes (9, 10) comprend un siège de vanne (15, 16), un poussoir de vanne (11) avec un élément d'étanchéité (17, 18) coopérant avec le siège de vanne (15), et un élément de rappel (19), où l'élément d'actionnement (2, 3) comprenant la vanne respective agit préférablement sur le poussoir de vanne (11) et où le siège de vanne (15) et l'élément d'étanchéité (17) commandent la sortie de fluide.
  5. Dispositif d'actionnement fluidique (1) selon l'une des revendications 1 à 3, caractérisé en ce que chacune des vannes (9, 10) comprend un siège de vanne inférieur (15) et un siège de vanne supérieur (16), un poussoir de vanne (11) avec deux éléments d'étanchéité (17, 18) coopérant avec les sièges de vanne (15, 16) et un élément de rappel (19), où l'élément d'actionnement (2, 3) comprenant la vanne respective agit préférablement sur le poussoir de vanne (11) et où le siège de vanne (15, 16) et l'élément d'étanchéité (17, 18) commandent la sortie de fluide.
  6. Dispositif d'actionnement fluidique selon la revendication 5, caractérisé en ce que l'élément de rappel (19) maintient le poussoir de vanne dans une position de fermeture, dans laquelle la sortie de fluide est fermée.
  7. Dispositif d'actionnement de fluide selon la revendication 5 ou 6, caractérisé en ce que le poussoir de vanne (11) occupe essentiellement deux positions stables, à savoir une position de fermeture et une position de libération, et peut être déplacé entre ces positions, où l'un élément d'étanchéité (17) repose sur le siège de vanne inférieur (15) dans la position de fermeture et l'autre élément d'étanchéité (18) repose sur le siège de vanne supérieur (16) dans la position de libération.
  8. Dispositif d'actionnement fluidique (1) selon l'une des revendications 5 à 7, caractérisé en ce que le siège de vanne supérieur (16) vient en contact avec le poussoir de vanne (11) lors du mouvement du poussoir de vanne (11), où à travers de ce contact le mouvement des éléments d'actionnement peut être transmis au piston (6), où à cette fin le poussoir de vanne (11) présenté préférablement une bride de poussoir (20) qui agit sur le piston (6) et/ou où l'élément d'étanchéité vient en contact avec le piston (6).
  9. Dispositif d'actionnement fluidique (1) selon l'une des revendications précédentes, caractérisé en ce que chacune des vannes (9, 10), en particulier le poussoir de vanne, peut être déplacé depuis une position de fermeture vers une position de libération dans la même direction que l'élément d'actionnement respectif (2, 3).
  10. Dispositif d'actionnement fluidique (1) selon l'une des revendications précédentes, caractérisé en ce que le poussoir de vanne est monté dans un alésage de vanne (13), lequel alésage de vanne (13) s'ouvre dans la chambre de piston (5) et est relié à l'une des sorties de fluide (7, 8), dans la position de fermeture la vanne ferme l'alésage de vanne (13) entre la sortie de fluide (7, 8) et la chambre de piston (5) et ainsi ferme la sortie de fluide (7, 8), et lors de l'actionnement libère l'alésage de vanne (13) entre la sortie de fluide et la chambre de piston, et ainsi ouvre la sortie de fluide.
  11. Dispositif d'actionnement fluidique (1) selon la revendication 10, caractérisé en ce que les éléments d'étanchéité (17, 18) agissent respectivement sur une face frontale entourant l'alésage de vanne (13).
  12. Dispositif d'actionnement fluidique (1) selon l'une des revendications précédentes, caractérisé en ce que les le piston (6) peut être amené de la position finale à la position initiale avec un élément de rappel de piston (28), en particulier avec un ressort de compression ou un ressort à lame, après l'actionnement, et/ou que les éléments d'actionnement (2, 3) peuvent être amenés de la position finale à la position initiale avec un élément de rappel (28, 29, 30), en particulier un ressort de compression, après l'actionnement, où par élément de commande (2, 3), un élément de rappel (29, 30) est préférablement arrangé.
  13. Dispositif d'actionnement fluidique (1) selon l'une des revendications précédentes, caractérisé en ce que le piston (6) présente une surface d'actionnement (31) et en ce que les éléments d'actionnement (2, 3) sont en contact direct et/ou indirect par l'intermédiaire des soupapes (9, 10) avec la surface d'actionnement (31) lors de l'actionnement et/ou du rappel par les soupapes.
  14. Dispositif d'actionnement fluidique (1) selon l'une des revendications précédentes, caractérisé en ce que les éléments d'actionnement (2, 3) sont montés de manière mobile sur des boulons de guidage (24), les boulons de guidage (24) étant de préférence montés ou formés sur la chambre de piston (5).
  15. Dispositif d'actionnement fluidique (1) selon l'une des revendications précédentes, caractérisé en ce que le dispositif d'actionnement (1) comprend un boîtier (32), où le boîtier (32) fournit au moins l'espace de piston (5) et où les sorties de fluide (7, 8) sont disposées latéralement par rapport à la chambre de piston (5).
  16. Dispositif d'actionnement fluidique (1) selon l'une des revendications précédentes, caractérisé en ce qu'une vanne de piston (33) est disposée dans le piston (6), laquelle soupape s'ouvre lors du mouvement de la position finale à la position initiale, de sorte qu'un fluide, de préférence de l'air ambiant, peut circuler à travers le piston (6) vers la chambre de piston (5).
  17. Ensemble de soupape de décharge comprenant une soupape de décharge et un dispositif d'actionnement fluidique selon l'une des revendications précédentes, où le dispositif d'actionnement fluidique communique avec la soupape de décharge via deux lignes de commande.
EP13164885.9A 2013-04-23 2013-04-23 Dispositif destiné à l'actionnement fluidique d'un clapet de sortie Active EP2796626B1 (fr)

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EP13164885.9A EP2796626B1 (fr) 2013-04-23 2013-04-23 Dispositif destiné à l'actionnement fluidique d'un clapet de sortie

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EP13164885.9A EP2796626B1 (fr) 2013-04-23 2013-04-23 Dispositif destiné à l'actionnement fluidique d'un clapet de sortie

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US4809367A (en) * 1986-08-08 1989-03-07 Partall Systems (Proprietary) Limited Cistern flushing apparatus
WO2003062543A1 (fr) 2002-01-24 2003-07-31 Idrols, S.A. Commande pneumatique double pour chasse d'eau de cabinet de toilette
DE102005020748A1 (de) 2005-05-02 2006-11-09 GROHEDAL Sanitärsysteme GmbH & Co. KG Vorrichtung zur pneumatischen Betätigung eines Ablaufventils
FR2896569B1 (fr) * 2006-01-24 2009-07-24 Sanitaire Accessoires Services Dispositif de commande hydraulique d'un mecanisme d'evacuation d'eau notamment pour appareil sanitaire
CN201214818Y (zh) 2008-06-16 2009-04-01 彭东 一种水箱排水阀气动按钮
PL2169126T3 (pl) * 2008-09-29 2012-09-28 Geberit Int Ag Pneumatyczne urządzenie uruchamiające

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