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EP2496513B1 - Filling device having a special valve system - Google Patents

Filling device having a special valve system Download PDF

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Publication number
EP2496513B1
EP2496513B1 EP10771772.0A EP10771772A EP2496513B1 EP 2496513 B1 EP2496513 B1 EP 2496513B1 EP 10771772 A EP10771772 A EP 10771772A EP 2496513 B1 EP2496513 B1 EP 2496513B1
Authority
EP
European Patent Office
Prior art keywords
valve
main
central
seat
main valve
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.)
Active
Application number
EP10771772.0A
Other languages
German (de)
French (fr)
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EP2496513A1 (en
Inventor
Mickaƫl HUITOREL
Arnaud Pasquet
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Sidel Participations SAS
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Sidel Participations SAS
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Publication of EP2496513A1 publication Critical patent/EP2496513A1/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67C—CLEANING, FILLING WITH LIQUIDS OR SEMILIQUIDS, OR EMPTYING, OF BOTTLES, JARS, CANS, CASKS, BARRELS, OR SIMILAR CONTAINERS, NOT OTHERWISE PROVIDED FOR; FUNNELS
    • B67C3/00—Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus; Filling casks or barrels with liquids or semiliquids
    • B67C3/02—Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus
    • B67C3/22—Details
    • B67C3/26—Filling-heads; Means for engaging filling-heads with bottle necks
    • B67C3/2608—Filling-heads; Means for engaging filling-heads with bottle necks comprising anti-dripping means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67C—CLEANING, FILLING WITH LIQUIDS OR SEMILIQUIDS, OR EMPTYING, OF BOTTLES, JARS, CANS, CASKS, BARRELS, OR SIMILAR CONTAINERS, NOT OTHERWISE PROVIDED FOR; FUNNELS
    • B67C3/00—Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus; Filling casks or barrels with liquids or semiliquids
    • B67C3/02—Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus
    • B67C3/22—Details
    • B67C3/28—Flow-control devices, e.g. using valves
    • B67C3/286—Flow-control devices, e.g. using valves related to flow rate control, i.e. controlling slow and fast filling phases

Definitions

  • the present invention relates to a filling device comprising a filling spout and dosing means, intended to equip a filling machine, for filling containers, such as bottles or jars, with all kinds of products, liquid to viscous , in particular a food product.
  • the invention relates in particular to a filling device with dosing means comprising a valve system for limiting the formation of drops after closure.
  • Such filling devices conventionally comprise a filling spout and dosing means for delivering a determined quantity of filling product into a container placed under the filling spout.
  • the filling spout comprises a generally tubular body having an internal passage of longitudinal axis, an open bottom axial end constituting the discharge orifice of the filling spout and a supply port for its supply of filling liquid.
  • the metering means comprise a shut-off valve system movably mounted in the filling spout, and a control system adapted to longitudinally move said valve system to close or open the discharge orifice.
  • the valve control system conventionally comprises a cylinder whose rod passes through an open upper end of the tubular body of the spout, the valve system comprises a valve connected to the free end of the cylinder rod.
  • the inner surface of the tubular body of the filling spout comprises a portion, generally frustoconical, defining a sealing seat.
  • the control system moves the valve between a closed state in which the latter comes by a conical closing portion of its outer surface against the sealing seat and an open state in which said closing portion is spaced from said seat.
  • valve geometry for retaining the drops by capillarity.
  • the valve in the closed state can define with the filling nozzle an annular space in which the filler is retained by capillarity.
  • the valve may also be provided on its lower end edge with ribs defining between them housing in which the product is retained by capillarity.
  • Another solution consists in providing a recess on the lower end edge of the valve in which suction means are arranged to suck and thus retain the filling liquid after closing the valve.
  • the object of the present invention is to provide a new solution to limit the risk of falling drops, especially in the case of filling nozzle whose discharge port has a large diameter.
  • the filling device according to the invention makes it possible to prevent drops from falling at the end of filling, while having a large discharge orifice diameter.
  • the filling device can be used for liquid products, such as water, semi-liquid, such as oil or liquid laundry for example.
  • the control system for the passage of an open state said large flow valve system in which the main valve and the central valve are in their open position, to the closed state of the valve system in which the main valve and the central valve are in their closed position, the control system is initially able to move the main valve to its closed position, in an open state called small flow of the valve system, so that the bulk of the filling product present in said grooves is sucked by the venturi effect by the flow of filler passing through the secondary orifice of said main valve, then to move the central valve to its closed position, the filler present on the lower edge of the central valve is moving by capillarity in said grooves.
  • the lower portion of the outer surface of the main valve comprises a final portion, substantially cylindrical, which extends from the main closure portion to said lower edge and on which open said grooves, the lower part of the inner surface of the tubular body comprising a final portion extending from said main seat to the main orifice, said final portions defining between them, in the closed position of the main valve, a first annular space.
  • the grooves thus open, in the closed position of the main valve, on this annular space which constitutes an additional retention zone for the filling product present on the lower edge of the central valve during the closure of the latter.
  • the lower portion of the inner surface of the main valve comprises a final portion extending from the secondary seat to said lower edge, and on which the grooves open, the lower portion of the outer surface of the central valve comprising a final portion extending from said secondary closure portion to the lower end edge, said final portions defining in the closed position of the central valve and the main valve, a second annular space.
  • the grooves thus open in the closed position of the valves on this second annular space.
  • This second annular space which connects the grooves, allows a good distribution of the filling product in all the grooves during the closing of the central valve, and constitutes an additional retention zone.
  • the lower edge of the central valve has a flat surface, substantially perpendicular to the longitudinal axis of the central valve, or a conical surface, whose cone angle is preferably between 179 Ā° and 120 Ā°, for example of the order of 150 Ā°, most of this conical surface being disposed within the main valve, recessed relative to the lower edge of the main valve.
  • the filling device comprises a filling spout 1 with a discharge orifice 11 and metering means for delivering a determined quantity of filling product into each container brought under the filling spout.
  • the filling spout 1 is formed of a generally tubular body, of longitudinal axis A, having an internal passage 10a, an open upper axial end 12 and an open lower axial end constituting the discharge orifice 11 of the filling spout. .
  • the tubular body is provided near its upper axial end of a collar 14 assembly.
  • the tubular body may be mounted directly on the rigid bottom wall of the tank of a filling machine, for example of rotary type, its open upper axial end then constituting the nozzle supply orifice, or be assembled to a another piece of the filling spout, by which said spout is assembled to a support structure of the filling machine, and connected to a tank on board the machine or a remote tank.
  • the inner surface 2 of the tubular body comprises, from the upper axial end 12 to the discharge orifice 11, a portion 21 upper substantially cylindrical, and a lower portion 22 comprising a frustoconical portion, which converges in the direction of the discharge port, and which defines a seat 221 shutter, said principal, extending through a substantially cylindrical final portion 222.
  • the metering means comprise a valve system 3, 6 disposed in the filling spout and a control system 9 for moving the valve system to close and open the discharge port.
  • the valve system is double valve type, and comprises a first valve 3, said principal, tubular and a second valve 6, said central, cylindrical, movably mounted in the main valve.
  • the main valve 3 is formed of a tubular body, of longitudinal axis B, open at its two axial ends, having an annular lower edge 32 delimiting a lower, so-called secondary orifice 31, of the main valve, and an edge 33 upper ring.
  • Its outer surface 4 comprises, from the upper edge 33 to the lower edge 32, a substantially cylindrical upper portion 41 and a lower portion 42 which comprises a frustoconical main closure portion 421 which converges towards the discharge orifice and whose conicity corresponds substantially to that of the main seat 221, and a substantially cylindrical portion 422 final.
  • Its inner surface comprises, from the upper edge 33 to the lower edge 32, a substantially cylindrical upper portion 51 and a lower portion 52 which comprises a frustoconical portion which converges towards the discharge orifice and which forms a seat 521 of shutter, said secondary for the central valve, and a portion 522 substantially cylindrical final.
  • the tubular body is formed of a tubular wall comprising a cylindrical section defining internally and externally said cylindrical upper portions 41, 51 of the inner and outer surfaces, a frustoconical section defining said portion 421 of main shutter and said secondary seat 521 and a cylindrical section defining said cylindrical final portions 422, 522.
  • the lower edge 32 is provided with radial grooves 34 opening on the final portions 422, 522 of the outer surface and the inner surface.
  • the central valve 6 is formed of a solid cylindrical body 60, of longitudinal axis C, having an upper end edge 61 and a lower end edge 62.
  • Its outer surface 7 comprises, from its upper end edge to its lower end edge, a generally cylindrical upper portion 71 and a lower portion 72 comprising a secondary frustoconical portion 721 which converges towards its edge. lower end and whose conicity substantially corresponds to that of the seat 521 secondary, and a portion 722 substantially cylindrical end.
  • the lower end edge 62 has a conical surface that converges downwardly.
  • control system 9 comprises a valve stem 91 at the lower end of which is assembled the central valve 6.
  • the main valve 3 is slidably mounted on the rod 91.
  • the main valve is assembled to a bushing 92 comprising a lower portion 921 on which is screwed the main valve, by its upper edge, and an upper portion 922.
  • the valve stem 91 slides in the internal passage of the lower part of the sleeve.
  • the valve stem 91 is equipped with a ring 93 comprising an annular base by which the ring is fixed on the rod, said base bearing on the lower side a tubular wall provided with radial centering fins 94 for centering the rod in the passage. internal spout and thus ensure a coaxial positioning of the main valve and the central valve in the filling spout.
  • a spring 95 is mounted on the valve stem between a fixed shoulder of the valve stem, here formed by the annular base of the ring 93, and an inner shoulder 923 of the socket.
  • This spring compression spring type, tends to move the sleeve 92 of the ring 93, and thus elastically solicits the bushing abutted by its lower edge 924 against the upper edge 61 of the central valve.
  • the main valve has radial openings 35 opening on the upper cylindrical portions 41, 51 of the outer and inner surfaces, below the sleeve, to ensure fluid communication between the internal passage 30a of the main valve and the internal passage 10a. filling spout.
  • valve stem is connected to a control member (not shown) of the control system, such as a cylinder for example pneumatic, the upper end of the cylinder rod being then assembled at the upper end of the rod. cylinder.
  • the main valve In a closed state of the valve system illustrated in figures 1 and 6 , the main valve is in a closed position in which the main closure portion 421 of its outer surface is against the main seat 221, the final portion 422 of its outer surface is spaced from the final portion 222 of the inner surface of the beak , and defines with the latter a first annular space 81 on which the grooves 34 open. Its lower edge 32 is disposed in the spout, slightly set back relative to the discharge orifice 11.
  • the central valve is in a closed position in which the secondary sealing portion 721 of its outer surface is against the secondary seat 521 of the inner surface of the main valve.
  • the final portion 722 of its outer surface is slightly spaced from the final portion 522 of the inner surface of the main valve and defines with the latter a second annular space 82 on which the grooves 34 open.
  • the lower end edge 62 is arranged substantially in the main valve, the top of its cone being substantially disposed at the lower edge 31 of the main valve. In this closed state of the valve system, the rod is in a low position.
  • the further upward movement of the valve stem in a raised position via the control member, drives the central valve upwards.
  • the central valve comes at its upper end edge 61 against the lower edge 924 of the sleeve, and drives the latter upwards.
  • the main valve assembled to the sleeve then deviates from the main seat to its open position illustrated in FIG. figure 5 .
  • the valve system is then in a state called high open flow, the filling product flowing through the orifice 11 of discharge spout.
  • the upper portion 922 of the sleeve 92 is disposed in the ring 93 and slides along the tubular wall of the latter.
  • the dosing means are for example of weight type, the control member being controlled by a weighing sensor which is placed at a container support device.
  • the control member is controlled by a sensor for detecting the filling level of the container or a flow sensor that is interposed between the container and the nozzle at the time of filling, or by a volumetric system.
  • valve system For filling a container, the valve system initially in its closed state of the figure 1 , is brought into its open state small flow of the figure 6 to start filling with a small flow, then in its open state large flow illustrated in the figure 5 .
  • the valve system can be brought directly from its closed state to its open, high-flow state to directly start filling with a large flow rate.
  • valve system At the end of filling, the valve system is brought into its open state small flow illustrated at the figure 6 .
  • the amount of filler present in the first annular space 81 and in the grooves 34 is for the most part sucked, by the venturi effect, by the flow of filler passing through the secondary orifice 31 of said main valve.
  • the valve system is maintained in this open, low flow state for a time sufficient to aspirate and evacuate the filler.
  • valve system is then brought into its closed state illustrated in FIGS. Figures 1 and 3 .
  • the small amount of filling material present on the lower edge 62 of the central valve migrates by capillarity into the grooves interconnected by the second annular space 82, then into the first annular space 81, thus ensuring that no drop falls.
  • the grooves 34 and the annular spaces 81, 82 are sized so as to define a retention volume sufficient to contain the amount of filler that can be retained under the central valve when it is closed.
  • the lower edge 32 comprises for example four first grooves 34a arranged at 90 Ā° to each other, and four second grooves 34b, of smaller dimensions than those of the first grooves disposed between them at 45 Ā°.
  • the conicity of the lower end edge is defined to allow a capillary migration of the filling product remained under the central valve 6 to the grooves.
  • the filling device according to the invention can also be used for filling carried out only in small flow, with the valve system in the open state small flow.
  • control system comprises a solid control rod carrying at its lower end the central valve, as before, and a hollow control rod carrying at the lower end the main valve, in which the solid rod slides.
  • the sleeve carrying the centering fins is mounted on the hollow rod.
  • Each control rod is then assembled at the upper end to a control member for its movement between its open position and its closed position.

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  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Filling Of Jars Or Cans And Processes For Cleaning And Sealing Jars (AREA)
  • Lift Valve (AREA)

Description

La prĆ©sente invention concerne un dispositif de remplissage comprenant un bec de remplissage et des moyens de dosage, destinĆ© Ć  Ć©quiper une machine de remplissage, pour le remplissage de rĆ©cipients, tel que des bouteilles ou des pots, avec toute sorte de produits, liquides Ć  visqueux, en particulier un produit alimentaire. L'invention concerne en particulier un dispositif de remplissage avec des moyens de dosage comprenant un systĆØme de clapet permettant de limiter la formation de gouttes aprĆØs fermeture.The present invention relates to a filling device comprising a filling spout and dosing means, intended to equip a filling machine, for filling containers, such as bottles or jars, with all kinds of products, liquid to viscous , in particular a food product. The invention relates in particular to a filling device with dosing means comprising a valve system for limiting the formation of drops after closure.

De tels dispositifs de remplissage comprennent classiquement un bec de remplissage et des moyens de dosage pour dƩlivrer une quantitƩ dƩterminƩe de produit de remplissage dans un rƩcipient placƩ sous le bec de remplissage.Such filling devices conventionally comprise a filling spout and dosing means for delivering a determined quantity of filling product into a container placed under the filling spout.

Le bec de remplissage comprend un corps globalement tubulaire prĆ©sentant un passage interne d'axe longitudinal, une extrĆ©mitĆ© axiale infĆ©rieure ouverte constituant l'orifice de dĆ©charge du bec de remplissage et un orifice d'alimentation pour son alimentation en liquide de remplissage. Les moyens de dosage comprennent un systĆØme de clapet d'obturation montĆ© mobile dans le bec de remplissage, et un systĆØme de commande apte Ć  dĆ©placer longitudinalement ledit systĆØme de clapet pour fermer ou ouvrir l'orifice de dĆ©charge. Le systĆØme de commande de clapet comprend classiquement un vĆ©rin dont la tige passe par une extrĆ©mitĆ© supĆ©rieure ouverte du corps tubulaire du bec, le systĆØme de clapet comprend un clapet reliĆ© Ć  l'extrĆ©mitĆ© libre de la tige de vĆ©rin. La surface interne du corps tubulaire du bec de remplissage comprend une portion, gĆ©nĆ©ralement tronconique, dĆ©finissant un siĆØge d'obturation. Le systĆØme de commande dĆ©place le clapet entre un Ć©tat fermĆ© dans lequel ce dernier vient par une portion d'obturation conique de sa surface extĆ©rieure contre le siĆØge d'obturation et un Ć©tat ouvert dans lequel ladite portion d'obturation est Ć©cartĆ©e dudit siĆØge.The filling spout comprises a generally tubular body having an internal passage of longitudinal axis, an open bottom axial end constituting the discharge orifice of the filling spout and a supply port for its supply of filling liquid. The metering means comprise a shut-off valve system movably mounted in the filling spout, and a control system adapted to longitudinally move said valve system to close or open the discharge orifice. The valve control system conventionally comprises a cylinder whose rod passes through an open upper end of the tubular body of the spout, the valve system comprises a valve connected to the free end of the cylinder rod. The inner surface of the tubular body of the filling spout comprises a portion, generally frustoconical, defining a sealing seat. The control system moves the valve between a closed state in which the latter comes by a conical closing portion of its outer surface against the sealing seat and an open state in which said closing portion is spaced from said seat.

Ces dispositifs de remplissage doivent Ć©viter autant que possible que des gouttes ne se forment au niveau du bord infĆ©rieur du clapet aprĆØs la fermeture de ce dernier, et tombent du bec de remplissage sur les rĆ©cipients Ć  remplir et/ou sur la machine. Lorsque le clapet se ferme, une certaine quantitĆ© de produit de remplissage peut rester sous le clapet, sur son bord infĆ©rieur. Plus le diamĆØtre de clapet augmente, plus la quantitĆ© de produit prĆ©sente sous le clapet Ć  la fermeture augmente, et avec elle les risques de formation et chute de gouttes. Sur une machine de remplissage de type rotative, la force centrifuge accentue ces risques.These filling devices must avoid as much as possible that drops are formed at the lower edge of the valve after closing of the latter, and fall from the filling spout to the containers to be filled and / or on the machine. When the flap closes, a some amount of filler may remain under the valve at its bottom edge. As the diameter of the valve increases, the amount of product present under the valve closes increases, and with it the risk of formation and drop drops. In a rotary type filling machine, the centrifugal force accentuates these risks.

Pour Ć©viter que des gouttes ne tombent Ć  l'issue du remplissage, aprĆØs la fermeture du clapet, il a Ć©tĆ© proposĆ© de prĆ©voir des grilles, en aval du clapet, au niveau de l'orifice de dĆ©charge, pour retenir par capillaritĆ© les gouttes de produit de remplissage. Cette solution ne peut ĆŖtre utilisĆ©e pour certains produits de remplissage, notamment les produits visqueux ou ceux comprenant des particules et/ou morceaux.To prevent drops from falling after the filling, after closure of the valve, it has been proposed to provide grids, downstream of the valve, at the discharge port, to retain by capillary drops of filling product. This solution can not be used for certain fillers, especially viscous products or those containing particles and / or pieces.

Une autre solution consiste Ć  prĆ©voir une gĆ©omĆ©trie de clapet permettant une retenue des gouttes par capillaritĆ©. Par exemple, tel que dĆ©crit dans le document brevet FR 2 861 716 , le clapet Ć  l'Ć©tat fermĆ© peut dĆ©finir avec le bec de remplissage un espace annulaire dans lequel le produit de remplissage est retenu par capillaritĆ©. Tel que dĆ©crit dans le document brevet JP 2005-343516 , le clapet peut Ć©galement ĆŖtre muni sur son bord d'extrĆ©mitĆ© infĆ©rieur de nervures dĆ©finissant entre elles des logements dans lesquels le produit est retenu par capillaritĆ©.Another solution is to provide a valve geometry for retaining the drops by capillarity. For example, as described in the patent document FR 2 861 716 , the valve in the closed state can define with the filling nozzle an annular space in which the filler is retained by capillarity. As described in the patent document JP 2005-343516 , the valve may also be provided on its lower end edge with ribs defining between them housing in which the product is retained by capillarity.

Une autre solution, dĆ©crite par exemple dans le document brevet FR 2 791 033 , consiste Ć  prĆ©voir un renfoncement sur le bord d'extrĆ©mitĆ© infĆ©rieur du clapet dans lequel des moyens d'aspiration sont agencĆ©s pour aspirer et ainsi retenir le liquide de remplissage aprĆØs fermeture du clapet.Another solution, described for example in the patent document FR 2 791 033 , consists in providing a recess on the lower end edge of the valve in which suction means are arranged to suck and thus retain the filling liquid after closing the valve.

Le document brevet DE 22 46 176 A1 divulgue un dispositif selon le prƩambule de la revendication 1.The patent document DE 22 46 176 A1 discloses a device according to the preamble of claim 1.

Le but de la prĆ©sente invention est de proposer une nouvelle solution pour limiter les risques de chutes de gouttes, notamment dans le cas de bec de remplissage dont l'orifice de dĆ©charge prĆ©sente un diamĆØtre important.The object of the present invention is to provide a new solution to limit the risk of falling drops, especially in the case of filling nozzle whose discharge port has a large diameter.

A cet effet, la prĆ©sente invention propose un dispositif de remplissage, destinĆ© Ć  ĆŖtre utilisĆ© dans des machines de remplissage pour le remplissage de rĆ©cipients avec un produit de remplissage, comportant

  • un bec de remplissage comprenant un corps globalement tubulaire prĆ©sentant un passage interne d'axe longitudinal et une extrĆ©mitĆ© axiale infĆ©rieure ouverte constituant l'orifice de dĆ©charge du bec de remplissage et un orifice d'alimentation pour son alimentation en liquide de remplissage, la surface interne du corps tubulaire comprenant une partie infĆ©rieure s'Ć©tendant jusqu'Ć  l'orifice de dĆ©charge comportant une portion, de prĆ©fĆ©rence tronconique, dĆ©finissant un siĆØge d'obturation principal,
  • des moyens de dosage comprenant un systĆØme de clapet montĆ© mobile dans le bec de remplissage, et un systĆØme de commande apte Ć  dĆ©placer longitudinalement ledit systĆØme de clapet entre un Ć©tat fermĆ© dans lequel le systĆØme de clapet vient par une portion d'obturation principale, de prĆ©fĆ©rence tronconique, de sa surface extĆ©rieure contre le siĆØge principal pour fermer l'orifice de dĆ©charge, et au moins un Ć©tat ouvert dans lequel ladite portion d'obturation principale est Ć©cartĆ©e dudit siĆØge principal pour ouvrir l'orifice de dĆ©charge,
ledit systĆØme de clapet comprenant
  • un premier clapet, dit principal, tubulaire comprenant un bord infĆ©rieur annulaire dĆ©limitant un orifice infĆ©rieur, dit secondaire, sa surface externe comprenant une partie infĆ©rieure qui s'Ć©tend jusqu'audit bord infĆ©rieur et qui comporte ladite portion d'obturation principale, sa surface interne comprenant une partie infĆ©rieure s'Ć©tendant jusqu'audit bord infĆ©rieur comprenant une portion, de prĆ©fĆ©rence tronconique, formant un siĆØge d'obturation dit secondaire, et
  • un second clapet, dit central, cylindrique montĆ© mobile dans le clapet principal, et comprenant un bord d'extrĆ©mitĆ© infĆ©rieure, sa surface externe comprenant une partie infĆ©rieure qui s'Ć©tend jusqu'audit bord d'extrĆ©mitĆ© infĆ©rieur et qui comporte une portion d'obturation, dite secondaire, de prĆ©fĆ©rence tronconique,
  • ledit systĆØme de commande Ć©tant apte
    • Ć  dĆ©placer le clapet principal entre une position fermĆ©e, dans laquelle sa portion d'obturation principale est contre le siĆØge principal, et au moins une position ouverte dans laquelle sa portion d'obturation principale est Ć©cartĆ©e du siĆØge principal,
    • et Ć  dĆ©placer le clapet central entre une position fermĆ©e dans laquelle sa portion d'obturation secondaire est contre le siĆØge secondaire et au moins une position ouverte dans laquelle sa portion d'obturation secondaire est Ć©cartĆ©e du siĆØge secondaire,
ledit clapet principal comprenant au moins une ouverture garantissant une communication fluidique entre son passage interne et le passage interne du bec, caractƩrisƩ en ce que
ledit bord infƩrieur du clapet principal est muni de rainures, de prƩfƩrence radiales, dƩbouchant sur la surface interne dudit clapet principal, ainsi que, de prƩfƩrence, sur la surface externe dudit clapet principal, de sorte que, lorsque le clapet central est dƩplacƩ vers sa position fermƩe, le produit de remplissage prƩsent sur le bord infƩrieur du clapet central se dƩplace par capillaritƩ dans lesdites rainures du clapet principal en position fermƩe.For this purpose, the present invention proposes a filling device, intended for use in filling machines for filling containers with a filling product, comprising
  • a filling spout comprising a generally tubular body having an internal passage of longitudinal axis and an open bottom axial end constituting the discharge orifice of the filling spout and a supply opening for its supply of filling liquid, the inner surface of the tubular body comprising a lower portion extending to the discharge port having a portion, preferably frustoconical, defining a main filling seat,
  • dosing means comprising a valve system movably mounted in the filling spout, and a control system adapted to move said valve system longitudinally between a closed state in which the flapper system comes through a main closure portion, preferably frustoconical, of its outer surface against the main seat to close the discharge port, and at least one open state in which said main closure portion is spaced from said main seat to open the discharge port,
said valve system comprising
  • a first valve, said principal, tubular comprising an annular lower edge delimiting a lower, said secondary orifice, its external surface comprising a lower part which extends up to said lower edge and which comprises said main closure portion, its inner surface comprising a lower portion extending to said lower edge comprising a portion, preferably frustoconical, forming a so-called secondary closure seat, and
  • a second valve, said central, cylindrical movably mounted in the main valve, and comprising a lower end edge, its outer surface comprising a lower portion which extends to said lower end edge and which comprises a portion of closure, said secondary, preferably frustoconical,
  • said control system being suitable
    • moving the main valve between a closed position, in which its main sealing portion is against the main seat, and at least one open position in which its main closure portion is spaced from the main seat,
    • and moving the central valve between a closed position in which its secondary sealing portion is against the secondary seat and at least one open position in which its secondary closing portion is spaced from the secondary seat,
said main valve comprising at least one opening ensuring fluid communication between its internal passage and the internal passage of the nozzle, characterized in that
said lower edge of the main valve is provided with grooves, preferably radial, opening on the inner surface of said main valve, and preferably on the outer surface of said main valve, so that when the central valve is moved to its closed position, the filling product present on the lower edge of the central valve moves by capillarity in said grooves of the main valve in the closed position.

Le dispositif de remplissage selon l'invention permet d'Ć©viter que des gouttes ne tombent en fin de remplissage, tout en ayant un diamĆØtre d'orifice de dĆ©charge important. Le dispositif de remplissage peut ĆŖtre utilisĆ© pour des produits liquides, tels que de l'eau, Ć  semi-liquides, tels que de l'huile ou de la lessive liquide par exemple.The filling device according to the invention makes it possible to prevent drops from falling at the end of filling, while having a large discharge orifice diameter. The filling device can be used for liquid products, such as water, semi-liquid, such as oil or liquid laundry for example.

Selon une particularitĆ©, pour le passage d'un Ć©tat ouvert dit grand dĆ©bit du systĆØme de clapet dans lequel le clapet principal et le clapet central sont dans leur position ouverte, vers l'Ć©tat fermĆ© du systĆØme de clapet dans lequel le clapet principal et le clapet central sont dans leur position fermĆ©e, le systĆØme de commande est apte dans un premier temps Ć  dĆ©placer le clapet principal vers sa position fermĆ©e, dans un Ć©tat ouvert dit petit dĆ©bit du systĆØme de clapet, de sorte que la majeure partie du produit de remplissage prĆ©sent dans lesdites rainures soit aspirĆ©e par effet venturi par le flux de produit de remplissage passant par l'orifice secondaire dudit clapet principal, puis Ć  dĆ©placer le clapet central vers sa position fermĆ©e, le produit de remplissage prĆ©sent sur le bord infĆ©rieur du clapet central se dĆ©plaƧant par capillaritĆ© dans lesdites rainures.According to one feature, for the passage of an open state said large flow valve system in which the main valve and the central valve are in their open position, to the closed state of the valve system in which the main valve and the central valve are in their closed position, the control system is initially able to move the main valve to its closed position, in an open state called small flow of the valve system, so that the bulk of the filling product present in said grooves is sucked by the venturi effect by the flow of filler passing through the secondary orifice of said main valve, then to move the central valve to its closed position, the filler present on the lower edge of the central valve is moving by capillarity in said grooves.

Selon une particularitĆ©, la partie infĆ©rieure de la surface externe du clapet principal comprend une portion finale, sensiblement cylindrique, qui s'Ć©tend de la portion d'obturation principale jusqu'audit bord infĆ©rieur et sur laquelle dĆ©bouchent lesdites rainures, la partie infĆ©rieure de la surface interne du corps tubulaire comprenant une portion finale qui s'Ć©tend dudit siĆØge principal jusqu'Ć  l'orifice principal, lesdites portions finales dĆ©finissant entre elles, dans la position fermĆ©e du clapet principal, un premier espace annulaire. Les rainures dĆ©bouchent ainsi, dans la position fermĆ©e du clapet principal, sur cet espace annulaire qui constitue une zone de rĆ©tention supplĆ©mentaire pour le produit de remplissage prĆ©sent sur le bord infĆ©rieur du clapet central lors de la fermeture de ce dernier.According to a feature, the lower portion of the outer surface of the main valve comprises a final portion, substantially cylindrical, which extends from the main closure portion to said lower edge and on which open said grooves, the lower part of the inner surface of the tubular body comprising a final portion extending from said main seat to the main orifice, said final portions defining between them, in the closed position of the main valve, a first annular space. The grooves thus open, in the closed position of the main valve, on this annular space which constitutes an additional retention zone for the filling product present on the lower edge of the central valve during the closure of the latter.

Selon une particularitĆ©, la partie infĆ©rieure de la surface interne du clapet principal comprend une portion finale qui s'Ć©tend du siĆØge secondaire jusqu'audit bord infĆ©rieur, et sur laquelle dĆ©bouchent les rainures, la partie infĆ©rieure de la surface extĆ©rieure du clapet central comprenant une portion finale qui s'Ć©tend de ladite portion d'obturation secondaire jusqu'au bord d'extrĆ©mitĆ© infĆ©rieure, lesdites portions finales dĆ©finissant entre elles, dans la position fermĆ©e du clapet central et du clapet principal, un second espace annulaire. Les rainures dĆ©bouchent ainsi dans la position fermĆ©e des clapets sur ce second espace annulaire. Ce second espace annulaire qui relie les rainures, permet une bonne rĆ©partition du produit de remplissage dans l'ensemble des rainures lors de la fermeture du clapet central, et constitue une zone de rĆ©tention supplĆ©mentaire.According to a feature, the lower portion of the inner surface of the main valve comprises a final portion extending from the secondary seat to said lower edge, and on which the grooves open, the lower portion of the outer surface of the central valve comprising a final portion extending from said secondary closure portion to the lower end edge, said final portions defining in the closed position of the central valve and the main valve, a second annular space. The grooves thus open in the closed position of the valves on this second annular space. This second annular space which connects the grooves, allows a good distribution of the filling product in all the grooves during the closing of the central valve, and constitutes an additional retention zone.

Selon une particularitĆ©, le bord infĆ©rieur du clapet central prĆ©sente une surface plane, sensiblement perpendiculaire Ć  l'axe longitudinal du clapet central, ou une surface conique, dont l'angle de cĆ“ne est de prĆ©fĆ©rence compris entre 179Ā° et 120Ā°, par exemple de l'ordre de 150Ā°, la majeure partie de cette surface conique Ć©tant disposĆ©e Ć  l'intĆ©rieur du clapet principal, en retrait par rapport au bord infĆ©rieur du clapet principal.According to a feature, the lower edge of the central valve has a flat surface, substantially perpendicular to the longitudinal axis of the central valve, or a conical surface, whose cone angle is preferably between 179 Ā° and 120 Ā°, for example of the order of 150 Ā°, most of this conical surface being disposed within the main valve, recessed relative to the lower edge of the main valve.

Selon un mode de rĆ©alisation, le systĆØme de commande comprend

  • une tige de clapet s'Ć©tendant sensiblement axialement dans le corps tubulaire, le clapet central Ć©tant montĆ© Ć  l'extrĆ©mitĆ© infĆ©rieure de la tige de clapet, le clapet principal Ć©tant assemblĆ© Ć  une douille montĆ©e coulissante sur la tige de clapet entre ledit clapet central et un Ć©paulement de ladite tige,
  • un ressort Ć©tant montĆ© entre la douille et ledit Ć©paulement pour solliciter Ć©lastiquement ladite douille en direction du clapet central, et
  • un organe de commande, tel qu'un vĆ©rin, apte Ć  dĆ©placer la tige de clapet entre une position basse dans laquelle le clapet central est dans sa position fermĆ©e et le clapet principal est sollicitĆ© Ć©lastiquement par le ressort dans sa position fermĆ©e, une position intermĆ©diaire dans laquelle le clapet central est dans une position ouverte et le clapet principal est sollicitĆ© Ć©lastiquement par le ressort dans sa position fermĆ©e, et une position haute dans laquelle le clapet central est dans une position ouverte en butĆ©e contre la douille et le clapet principal en position ouverte.
According to one embodiment, the control system comprises
  • a valve stem extending substantially axially in the tubular body, the central valve being mounted at the lower end of the valve stem, the main valve being assembled to a sleeve slidably mounted on the valve stem between said central valve and a shoulder of said rod,
  • a spring being mounted between the sleeve and said shoulder for resiliently urging said sleeve towards the central valve, and
  • a control member, such as a jack, adapted to move the valve stem between a low position in which the central valve is in its closed position and the main valve is biased elastically by the spring in its closed position, an intermediate position in which the central valve is in an open position and the main valve is elastically biased by the spring in its closed position, and a high position in which the central valve is in a position open in abutment against the socket and the main valve in the open position.

L'invention sera mieux comprise, et d'autres buts, dƩtails, caractƩristiques et avantages apparaƮtront plus clairement au cours de la description explicative dƩtaillƩe qui va suivre d'un mode de rƩalisation particulier actuellement prƩfƩrƩ de l'invention, en rƩfƩrence aux dessins schƩmatiques annexƩs, sur lesquels :

  • la figure 1 est une vue en coupe longitudinale d'un dispositif de remplissage selon l'invention, le clapet principal et le clapet central dans leur position fermĆ©e ;
  • la figure 2 est une vue agrandie du clapet principal de la figure 1;
  • la figure 3 est une vue de dessous du clapet principal ;
  • la figure 4 est une vue partielle agrandie de la figure 1 ;
  • la figure 5 est une vue analogue Ć  celle de la figure 1, le clapet principal et le clapet central dans leur position ouverte, et,
  • la figure 6 est une vue analogue Ć  celles des figures 1 et 5, le clapet Ć©tant en position fermĆ©e et le clapet central en position ouverte.
The invention will be better understood, and other objects, details, features and advantages will become more clearly apparent from the following detailed explanatory description of a particular presently preferred embodiment of the invention, with reference to the schematic drawings. annexed, in which:
  • the figure 1 is a longitudinal sectional view of a filling device according to the invention, the main valve and the central valve in their closed position;
  • the figure 2 is an enlarged view of the main flap of the figure 1 ;
  • the figure 3 is a bottom view of the main valve;
  • the figure 4 is an enlarged partial view of the figure 1 ;
  • the figure 5 is a view similar to that of the figure 1 , the main flap and the central flap in their open position, and,
  • the figure 6 is a view similar to those of figures 1 and 5 , the valve being in the closed position and the central valve in the open position.

En rƩfƩrence aux figures 1 et 3, le dispositif de remplissage comporte un bec 1 de remplissage avec un orifice 11 de dƩcharge et des moyens de dosage pour dƩlivrer une quantitƩ dƩterminƩe de produit de remplissage dans chaque rƩcipient amenƩ sous le bec de remplissage.With reference to Figures 1 and 3 , the filling device comprises a filling spout 1 with a discharge orifice 11 and metering means for delivering a determined quantity of filling product into each container brought under the filling spout.

Le bec 1 de remplissage est formĆ© d'un corps 10 globalement tubulaire, d'axe A longitudinal, prĆ©sentant un passage 10a interne, une extrĆ©mitĆ© 12 axiale supĆ©rieure ouverte et une extrĆ©mitĆ© axiale infĆ©rieure ouverte constituant l'orifice 11 de dĆ©charge du bec de remplissage. Le corps tubulaire est muni Ć  proximitĆ© de son extrĆ©mitĆ© axiale supĆ©rieure d'une collerette 14 d'assemblage. Le corps tubulaire pourra ĆŖtre montĆ© directement sur la paroi rigide de fond de la cuve d'une machine de remplissage, par exemple de type rotative, son extrĆ©mitĆ© axiale supĆ©rieure ouverte constituant alors l'orifice d'alimentation du bec, ou ĆŖtre assemblĆ© Ć  une autre piĆØce du bec de remplissage, par laquelle ledit bec sera assemblĆ© Ć  une structure support de la machine de remplissage, et connectĆ© Ć  une cuve embarquĆ©e sur la machine ou une cuve dĆ©portĆ©e.The filling spout 1 is formed of a generally tubular body, of longitudinal axis A, having an internal passage 10a, an open upper axial end 12 and an open lower axial end constituting the discharge orifice 11 of the filling spout. . The tubular body is provided near its upper axial end of a collar 14 assembly. The tubular body may be mounted directly on the rigid bottom wall of the tank of a filling machine, for example of rotary type, its open upper axial end then constituting the nozzle supply orifice, or be assembled to a another piece of the filling spout, by which said spout is assembled to a support structure of the filling machine, and connected to a tank on board the machine or a remote tank.

La surface 2 interne du corps tubulaire comprend, de l'extrĆ©mitĆ© 12 axiale supĆ©rieure Ć  l'orifice 11 de dĆ©charge, une partie 21 supĆ©rieure sensiblement cylindrique, et une partie 22 infĆ©rieure comprenant une portion tronconique, qui converge en direction de l'orifice de dĆ©charge, et qui dĆ©finit un siĆØge 221 d'obturation, dit principal, se prolongeant par une portion 222 finale sensiblement cylindrique.The inner surface 2 of the tubular body comprises, from the upper axial end 12 to the discharge orifice 11, a portion 21 upper substantially cylindrical, and a lower portion 22 comprising a frustoconical portion, which converges in the direction of the discharge port, and which defines a seat 221 shutter, said principal, extending through a substantially cylindrical final portion 222.

Les moyens de dosage comprennent un systĆØme 3, 6 de clapet disposĆ© dans le bec de remplissage et un systĆØme 9 de commande permettant de dĆ©placer le systĆØme de clapet pour fermer et ouvrir l'orifice de dĆ©charge.The metering means comprise a valve system 3, 6 disposed in the filling spout and a control system 9 for moving the valve system to close and open the discharge port.

Le systĆØme de clapet est de type double clapet, et comprend un premier clapet 3, dit principal, tubulaire et un second clapet 6, dit central, cylindrique, montĆ© mobile dans le clapet principal.The valve system is double valve type, and comprises a first valve 3, said principal, tubular and a second valve 6, said central, cylindrical, movably mounted in the main valve.

En rƩfƩrence en particulier aux figures 2 et 3, le clapet 3 principal est formƩ d'un corps 30 tubulaire, d'axe B longitudinal, ouvert Ơ ses deux extrƩmitƩs axiales, prƩsentant un bord 32 infƩrieur annulaire dƩlimitant un orifice 31 infƩrieur, dit secondaire, du clapet principal, et un bord 33 supƩrieur annulaire.With particular reference to Figures 2 and 3 , the main valve 3 is formed of a tubular body, of longitudinal axis B, open at its two axial ends, having an annular lower edge 32 delimiting a lower, so-called secondary orifice 31, of the main valve, and an edge 33 upper ring.

Sa surface 4 externe comprend, du bord 33 supĆ©rieur au bord 32 infĆ©rieur, une partie 41 supĆ©rieure sensiblement cylindrique et une partie 42 infĆ©rieure qui comporte une portion 421 d'obturation principale, tronconique, qui converge vers l'orifice de dĆ©charge et dont la conicitĆ© correspond sensiblement Ć  celle du siĆØge 221 principal, et une portion 422 finale sensiblement cylindrique.Its outer surface 4 comprises, from the upper edge 33 to the lower edge 32, a substantially cylindrical upper portion 41 and a lower portion 42 which comprises a frustoconical main closure portion 421 which converges towards the discharge orifice and whose conicity corresponds substantially to that of the main seat 221, and a substantially cylindrical portion 422 final.

Sa surface 5 interne comprend, du bord 33 supĆ©rieur au bord 32 infĆ©rieur, une partie 51 supĆ©rieure, sensiblement cylindrique, et une partie 52 infĆ©rieure qui comporte une portion tronconique, qui converge vers l'orifice de dĆ©charge et qui forme un siĆØge 521 d'obturation, dit secondaire pour le clapet central, et une portion 522 finale sensiblement cylindrique.Its inner surface comprises, from the upper edge 33 to the lower edge 32, a substantially cylindrical upper portion 51 and a lower portion 52 which comprises a frustoconical portion which converges towards the discharge orifice and which forms a seat 521 of shutter, said secondary for the central valve, and a portion 522 substantially cylindrical final.

Dans le prĆ©sent mode de rĆ©alisation, le corps tubulaire est formĆ© d'une paroi tubulaire comprenant un tronƧon cylindrique dĆ©finissant intĆ©rieurement et extĆ©rieurement lesdites parties 41, 51 supĆ©rieures cylindriques des surfaces interne et externe, un tronƧon tronconique dĆ©finissant ladite portion 421 d'obturation principale et ledit siĆØge 521 secondaire et un tronƧon cylindrique dĆ©finissant lesdites portions 422, 522 finales cylindriques.In the present embodiment, the tubular body is formed of a tubular wall comprising a cylindrical section defining internally and externally said cylindrical upper portions 41, 51 of the inner and outer surfaces, a frustoconical section defining said portion 421 of main shutter and said secondary seat 521 and a cylindrical section defining said cylindrical final portions 422, 522.

Le bord 32 infƩrieur est muni de rainures 34 radiales dƩbouchant sur les portions 422, 522 finales de la surface externe et la surface interne.The lower edge 32 is provided with radial grooves 34 opening on the final portions 422, 522 of the outer surface and the inner surface.

En rƩfƩrence Ơ la figure 4, le clapet 6 central est formƩ d'un corps 60 cylindrique plein, d'axe C longitudinal, prƩsentant un bord 61 d'extrƩmitƩ supƩrieure et un bord 62 d'extrƩmitƩ infƩrieure.With reference to the figure 4 , the central valve 6 is formed of a solid cylindrical body 60, of longitudinal axis C, having an upper end edge 61 and a lower end edge 62.

Sa surface 7 extĆ©rieure comprend, de son bord d'extrĆ©mitĆ© supĆ©rieure Ć  son bord d'extrĆ©mitĆ© infĆ©rieure, une partie 71 supĆ©rieure globalement cylindrique et une partie 72 infĆ©rieure comportant une portion 721 d'obturation secondaire, tronconique, qui converge vers son bord d'extrĆ©mitĆ© infĆ©rieure et dont la conicitĆ© correspond sensiblement Ć  celle du siĆØge 521 secondaire, et une portion 722 finale sensiblement cylindrique.Its outer surface 7 comprises, from its upper end edge to its lower end edge, a generally cylindrical upper portion 71 and a lower portion 72 comprising a secondary frustoconical portion 721 which converges towards its edge. lower end and whose conicity substantially corresponds to that of the seat 521 secondary, and a portion 722 substantially cylindrical end.

Le bord 62 d'extrƩmitƩ infƩrieure prƩsente une surface conique qui converge vers le bas.The lower end edge 62 has a conical surface that converges downwardly.

Suivant les figures 1 5 et 6, le systĆØme 9 de commande comprend une tige 91 de clapet Ć  l'extrĆ©mitĆ© infĆ©rieure de laquelle est assemblĆ© le clapet 6 central. Le clapet 3 principal est montĆ© coulissant sur la tige 91. Pour ce faire, le clapet principal est assemblĆ© Ć  une douille 92 comprenant une partie 921 infĆ©rieure sur laquelle est vissĆ© le clapet principal, par son bord supĆ©rieur, et une partie 922 supĆ©rieure. La tige 91 de clapet coulisse dans le passage interne de la partie infĆ©rieure de la douille.Following the figures 1 5 and 6 the control system 9 comprises a valve stem 91 at the lower end of which is assembled the central valve 6. The main valve 3 is slidably mounted on the rod 91. To do this, the main valve is assembled to a bushing 92 comprising a lower portion 921 on which is screwed the main valve, by its upper edge, and an upper portion 922. The valve stem 91 slides in the internal passage of the lower part of the sleeve.

La tige 91 de clapet est ƩquipƩe d'une bague 93 comprenant une base annulaire par laquelle la bague est fixƩe sur la tige, ladite base portant du cƓtƩ infƩrieur une paroi tubulaire munie d'ailettes 94 de centrage radiales pour centrer la tige dans le passage interne du bec et ainsi garantir un positionnement coaxial du clapet principal et du clapet central dans le bec de remplissage.The valve stem 91 is equipped with a ring 93 comprising an annular base by which the ring is fixed on the rod, said base bearing on the lower side a tubular wall provided with radial centering fins 94 for centering the rod in the passage. internal spout and thus ensure a coaxial positioning of the main valve and the central valve in the filling spout.

Un ressort 95 est montƩ sur la tige de clapet entre un Ʃpaulement fixe de la tige de clapet, formƩ ici par la base annulaire de la bague 93, et un Ʃpaulement 923 interne de la douille. Ce ressort, de type ressort de compression, tend Ơ Ʃcarter la douille 92 de la bague 93, et sollicite donc Ʃlastiquement la douille en butƩe par son bord 924 infƩrieur contre le bord 61 supƩrieur du clapet central.A spring 95 is mounted on the valve stem between a fixed shoulder of the valve stem, here formed by the annular base of the ring 93, and an inner shoulder 923 of the socket. This spring, compression spring type, tends to move the sleeve 92 of the ring 93, and thus elastically solicits the bushing abutted by its lower edge 924 against the upper edge 61 of the central valve.

Le clapet principal prƩsente des ouvertures 35 radiales, dƩbouchant sur les parties 41, 51 supƩrieures cylindriques des surfaces externe et interne, en dessous de la douille, afin d'assurer la communication fluidique entre le passage 30a interne du clapet principal et le passage 10a interne du bec de remplissage.The main valve has radial openings 35 opening on the upper cylindrical portions 41, 51 of the outer and inner surfaces, below the sleeve, to ensure fluid communication between the internal passage 30a of the main valve and the internal passage 10a. filling spout.

La tige de clapet est reliĆ©e Ć  un organe de commande (non reprĆ©sentĆ©) du systĆØme de commande, tel qu'un vĆ©rin par exemple pneumatique, l'extrĆ©mitĆ© supĆ©rieure de la tige de vĆ©rin Ć©tant alors assemblĆ©e Ć  l'extrĆ©mitĆ© supĆ©rieure de la tige de vĆ©rin.The valve stem is connected to a control member (not shown) of the control system, such as a cylinder for example pneumatic, the upper end of the cylinder rod being then assembled at the upper end of the rod. cylinder.

Dans un Ć©tat fermĆ© du systĆØme de clapet illustrĆ© aux figures 1 et 6, le clapet principal est dans une position fermĆ©e dans laquelle la portion 421 d'obturation principal de sa surface externe est contre le siĆØge 221 principal, la portion 422 finale de sa surface externe est Ć©cartĆ©e de la portion 222 finale de la surface interne du bec, et dĆ©finit avec cette derniĆØre un premier espace 81 annulaire sur lequel dĆ©bouche les rainures 34. Son bord 32 infĆ©rieur est disposĆ© dans le bec, lĆ©gĆØrement en retrait par rapport Ć  l'orifice 11 de dĆ©charge.In a closed state of the valve system illustrated in figures 1 and 6 , the main valve is in a closed position in which the main closure portion 421 of its outer surface is against the main seat 221, the final portion 422 of its outer surface is spaced from the final portion 222 of the inner surface of the beak , and defines with the latter a first annular space 81 on which the grooves 34 open. Its lower edge 32 is disposed in the spout, slightly set back relative to the discharge orifice 11.

Le clapet central est dans une position fermĆ©e dans laquelle la portion 721 d'obturation secondaire de sa surface externe est contre le siĆØge 521 secondaire de la surface interne du clapet principal. La portion 722 finale de sa surface externe est lĆ©gĆØrement Ć©cartĆ©e de la portion 522 finale de la surface interne du clapet principal et dĆ©finit avec cette derniĆØre un second espace 82 annulaire sur lequel dĆ©bouchent les rainures 34. Le bord 62 d'extrĆ©mitĆ© infĆ©rieur est disposĆ© sensiblement dans le clapet principal, le sommet de son cĆ“ne Ć©tant sensiblement disposĆ© au niveau du bord 31 infĆ©rieur du clapet principal. Dans cet Ć©tat fermĆ© du systĆØme de clapet, la tige est dans une position basse.The central valve is in a closed position in which the secondary sealing portion 721 of its outer surface is against the secondary seat 521 of the inner surface of the main valve. The final portion 722 of its outer surface is slightly spaced from the final portion 522 of the inner surface of the main valve and defines with the latter a second annular space 82 on which the grooves 34 open. The lower end edge 62 is arranged substantially in the main valve, the top of its cone being substantially disposed at the lower edge 31 of the main valve. In this closed state of the valve system, the rod is in a low position.

Le dĆ©placement vers le haut de la tige dans une position intermĆ©diaire, via l'organe de commande, a pour effet d'Ć©carter le clapet central du siĆØge secondaire, dans une position ouverte illustrĆ©e Ć  la figure 6, le clapet principal Ć©tant maintenu en position fermĆ©e par le ressort 95. Dans cet Ć©tat intermĆ©diaire, dit ouvert petit dĆ©bit, du systĆØme de clapet, le dispositif de remplissage permet le remplissage de rĆ©cipient avec un petit dĆ©bit, le produit de remplissage amenĆ© dans le bec passe par les ouvertures 35 et s'Ć©coule par l'orifice 31 secondaire du clapet principal.The upward movement of the rod in an intermediate position, via the control member, has the effect of moving the central valve of the secondary seat, in an open position illustrated in FIG. figure 6 , the main valve being held in the closed position by the spring 95. In this intermediate state, said open small flow, of the valve system, the filling device allows the filling of the container with a small flow, the filling product brought into the nozzle passes through the openings 35 and flows through the secondary orifice 31 of the main valve.

Le dĆ©placement supplĆ©mentaire vers le haut de la tige de clapet dans une position haute, via l'organe de commande, entraĆ®ne le clapet central vers le haut. Lors de ce dĆ©placement, le clapet central vient par son bord 61 d'extrĆ©mitĆ© supĆ©rieure contre le bord 924 infĆ©rieur de la douille, et entraine cette derniĆØre vers le haut. Le clapet principal assemblĆ© Ć  la douille s'Ć©carte alors du siĆØge principal jusqu'Ć  sa position ouverte illustrĆ©e Ć  la figure 5. Le systĆØme de clapet est alors dans un Ć©tat dit ouvert grand dĆ©bit, le produit de remplissage s'Ć©coulant par l'orifice 11 de dĆ©charge du bec.The further upward movement of the valve stem in a raised position, via the control member, drives the central valve upwards. During this movement, the central valve comes at its upper end edge 61 against the lower edge 924 of the sleeve, and drives the latter upwards. The main valve assembled to the sleeve then deviates from the main seat to its open position illustrated in FIG. figure 5 . The valve system is then in a state called high open flow, the filling product flowing through the orifice 11 of discharge spout.

Lors de ces dĆ©placements, la partie 922 supĆ©rieure de la douille 92 est disposĆ©e dans la bague 93 et coulisse le long de la paroi tubulaire de cette derniĆØre.During these movements, the upper portion 922 of the sleeve 92 is disposed in the ring 93 and slides along the tubular wall of the latter.

Les moyens de dosage sont par exemple de type pondĆ©ral, l'organe de commande Ć©tant asservi par un capteur de pesĆ©e qui est placĆ© au niveau d'un dispositif de support de rĆ©cipient. En variante, l'organe de commande est asservi par un capteur de dĆ©tection du niveau de remplissage du rĆ©cipient ou un capteur de dĆ©bit venant s'intercaler entre le rĆ©cipient et le bec au moment du remplissage, ou par un systĆØme volumĆ©trique.The dosing means are for example of weight type, the control member being controlled by a weighing sensor which is placed at a container support device. Alternatively, the control member is controlled by a sensor for detecting the filling level of the container or a flow sensor that is interposed between the container and the nozzle at the time of filling, or by a volumetric system.

Le fonctionnement du dispositif va Ć  prĆ©sent ĆŖtre dĆ©crit en rĆ©fĆ©rence aux figures 1, 3, 5 et 6.The operation of the device will now be described with reference to Figures 1, 3 , 5 and 6 .

Pour le remplissage d'un rĆ©cipient, le systĆØme de clapet initialement dans son Ć©tat fermĆ© de la figure 1, est amenĆ© dans son Ć©tat ouvert petit dĆ©bit de la figure 6 pour dĆ©marrer le remplissage avec un petit dĆ©bit, puis dans son Ć©tat ouvert grand dĆ©bit illustrĆ© Ć  la figure 5. En variante le systĆØme de clapet peut ĆŖtre amenĆ© directement de son Ć©tat fermĆ© vers son Ć©tat ouvert grand dĆ©bit pour dĆ©marrer directement le remplissage avec un grand dĆ©bit.For filling a container, the valve system initially in its closed state of the figure 1 , is brought into its open state small flow of the figure 6 to start filling with a small flow, then in its open state large flow illustrated in the figure 5 . In a variant, the valve system can be brought directly from its closed state to its open, high-flow state to directly start filling with a large flow rate.

En fin de remplissage, le systĆØme de clapet est amenĆ© dans son Ć©tat ouvert petit dĆ©bit illustrĆ© Ć  la figure 6. La quantitĆ© de produit de remplissage prĆ©sente dans le premier espace 81 annulaire et dans les rainures 34 est en majeure partie aspirĆ©e, par effet venturi, par le flux de produit de remplissage passant par l'orifice 31 secondaire dudit clapet principal. Le systĆØme de clapet est maintenu dans cet Ć©tat ouvert petit dĆ©bit sur une durĆ©e suffisante pour aspirer et Ć©vacuer le produit de remplissage.At the end of filling, the valve system is brought into its open state small flow illustrated at the figure 6 . The amount of filler present in the first annular space 81 and in the grooves 34 is for the most part sucked, by the venturi effect, by the flow of filler passing through the secondary orifice 31 of said main valve. The valve system is maintained in this open, low flow state for a time sufficient to aspirate and evacuate the filler.

Le systĆØme de clapet est ensuite amenĆ© dans son Ć©tat fermĆ© illustrĆ© aux figures 1 et 3. La petite quantitĆ© de produit de remplissage prĆ©sente sur le bord 62 infĆ©rieur du clapet central migre par capillaritĆ© dans les rainures reliĆ©es entre elles par le second espace 82 annulaire, puis dans le premier espace 81 annulaire, garantissant ainsi qu'aucune goutte ne tombe.The valve system is then brought into its closed state illustrated in FIGS. Figures 1 and 3 . The small amount of filling material present on the lower edge 62 of the central valve migrates by capillarity into the grooves interconnected by the second annular space 82, then into the first annular space 81, thus ensuring that no drop falls.

Les rainures 34 et les espaces 81, 82 annulaires sont dimensionnĆ©s de maniĆØre Ć  dĆ©finir un volume de rĆ©tention suffisant pour contenir la quantitĆ© de produit de remplissage susceptible d'ĆŖtre retenue sous le clapet central lors de sa fermeture. A titre d'exemple, en rĆ©fĆ©rence Ć  la figure 3, le bord 32 infĆ©rieur comprend par exemple quatre premiĆØres rainures 34a disposĆ©es Ć  90Ā° les unes des autres, et quatre secondes rainures 34b, de dimensions moins importantes que celles des premiĆØres rainures, disposĆ©es entre ces derniĆØres Ć  45Ā°. Par ailleurs, la conicitĆ© du bord d'extrĆ©mitĆ© infĆ©rieur est dĆ©finie afin de permettre une migration par capillaritĆ© du produit de remplissage restĆ© sous le clapet 6 central vers les rainures.The grooves 34 and the annular spaces 81, 82 are sized so as to define a retention volume sufficient to contain the amount of filler that can be retained under the central valve when it is closed. For example, with reference to the figure 3 , the lower edge 32 comprises for example four first grooves 34a arranged at 90 Ā° to each other, and four second grooves 34b, of smaller dimensions than those of the first grooves disposed between them at 45 Ā°. Furthermore, the conicity of the lower end edge is defined to allow a capillary migration of the filling product remained under the central valve 6 to the grooves.

Le dispositif de remplissage selon l'invention peut Ć©galement ĆŖtre utilisĆ© pour un remplissage effectuĆ© uniquement en petit dĆ©bit, avec le systĆØme de clapet Ć  l'Ć©tat ouvert petit dĆ©bit.The filling device according to the invention can also be used for filling carried out only in small flow, with the valve system in the open state small flow.

Dans une variante, le systĆØme de commande comprend une tige pleine de commande portant en extrĆ©mitĆ© infĆ©rieure le clapet central, comme prĆ©cĆ©demment, ainsi qu'une tige creuse de commande portant en extrĆ©mitĆ© infĆ©rieure le clapet principal, dans laquelle coulisse la tige pleine. La douille portant les ailettes de centrage est montĆ©e sur la tige creuse. Chaque tige de commande est alors assemblĆ©e en extrĆ©mitĆ© supĆ©rieure Ć  un organe de commande pour son dĆ©placement entre sa position ouverte et sa position fermĆ©e.In a variant, the control system comprises a solid control rod carrying at its lower end the central valve, as before, and a hollow control rod carrying at the lower end the main valve, in which the solid rod slides. The sleeve carrying the centering fins is mounted on the hollow rod. Each control rod is then assembled at the upper end to a control member for its movement between its open position and its closed position.

Bien que l'invention ait ƩtƩ dƩcrite en liaison avec un mode de rƩalisation particulier, il est bien Ʃvident qu'elle n'y est nullement limitƩe et qu'elle comprend tous les Ʃquivalents techniques des moyens dƩcrits ainsi que leurs combinaisons si celles-ci entrent dans le cadre de l'invention, telle que dƩfinie par les revendications.Although the invention has been described in connection with a particular embodiment, it is obvious that it is not limited thereto and that it comprises all the technical equivalents of the means described and their combinations if they are within the scope of the invention as defined by the claims.

Claims (6)

  1. Filling device comprising
    - a filling spout (1) comprising a globally tubular body (10) having an inner passage (10a) with a longitudinal axis (A) and an open lower axial end constituting the discharge aperture (11) of the filling spout, the inner surface (2) of the tubular body comprising a lower portion (22) comprising a portion defining a main valve seat (221),
    - means of metering comprising a valve system (3, 6) mounted movably in the filling spout, and a control system (9) able to longitudinally displace said valve system between a closed state wherein the valve system comes via a main closing portion (421) of its exterior surface (4) against the main seat in order to close the discharge aperture, and at least one open state wherein said main closing portion is separated from said main seat,
    said valve system comprising
    - a first tubular valve (3), called main valve, comprising a lower annular edge (32) delimiting a lower aperture (31), called secondary aperture, its outer surface (4) comprising a lower portion (42) that extends to said lower edge (32) and which comprises said main closing portion (421), its inner surface (5) comprising a lower portion (52) extending to said lower edge (32) comprising a portion forming a valve seat (521), called secondary seat, and
    - a second cylindrical valve (6), called central valve, mounted movably in the main valve (3), and comprising a lower end edge (62), its outer surface (7) comprising a low portion (72) that extends to said lower end edge and which comprises a closing portion (721), called secondary closing portion,
    said control system being able to displace the main valve (3) between a closed position, wherein its main closing portion (421) is against the main seat (221), and at least one open position wherein its main closing portion is separated from the main seat, and able to displace the central valve (6) between a closed position wherein its secondary closing portion (721) is against the secondary seat (521) and at least one open position wherein its secondary closing portion is separated from the secondary seat,
    said main valve comprising at least one opening (35) guaranteeing a fluid communication between its inner passage (30a) and the inner passage (10a) of the spout, characterized in that
    said lower edge (32) of the main valve is provided with radial grooves (34), exiting onto the inner surface (5) of said main valve.
  2. Filling device according to claim 1, characterized in that, for the passing from a high flow open state of the valve system wherein the main valve (3) and the central valve (6) are in their open position, to the closed state of the valve system wherein the main valve and the central valve are in their closed position, the control system (9) is able in a first step to displace the main valve to its closed position, in a low flow open state of the valve system, then to displace the central valve to its closed position.
  3. Filling device according to claim 1 or 2, characterized in that
    - the lower portion (42) of the outer surface (4) of the main valve (3) comprises a substantially cylindrical final portion (422), which extends from the main closing portion (421) to said lower edge (32) and whereon exit said grooves (34),
    - the lower portion (22) of the inner surface (2) of the tubular body (10) comprises a final portion (222) that extends from said main seat (221) to the main aperture (11),
    - said final portions (422, 222) define together, in the closed position of the main valve, a first annular space (81).
  4. Filling device according to one of claims 1 to 3, characterized in that
    - the lower portion (52) of the inner surface (5) of the main valve (3) comprises a final portion (522) that extends from the secondary seat (521) to said lower edge (32), and whereon exit the grooves (34),
    - the lower portion (72) of the exterior surface (7) of the central valve (6) comprising a final portion (722) that extends from said secondary closing portion (721) to the lower end edge (62),
    - said final portions (522, 722) defining between them, in the closed position of the central valve and of the main valve, a second annular space (82).
  5. Filling device according to one of claims 1 to 4, characterized in that the lower edge (62) of the central valve (6) has a tapered surface, of which the cone angle is between 179Ā° and 120Ā°.
  6. Filling device according to one of claims 1 to 5, characterized in that the control system (9) comprises
    - a valve rod (91) extending substantially axially in the tubular body (10), the central valve (6) being mounted at the lower end of the valve rod, the main valve (3) being assembled to a bushing (92) mounted slidingly on the valve rod between said central valve and a shoulder of said rod,
    - a spring (95) being mounted between the bushing and said shoulder in order to elastically solicit said bushing in the direction of the central valve, and
    - a control member able to displace the valve rod between a low position wherein the central valve is in its closed position and the main valve is elastically solicited by the spring in its closed position, an intermediary position wherein the central valve is in an open position and the main valve is elastically solicited by the spring in its closed position, and a high position wherein the central valve is in an open position in abutment against the bushing and the main valve in open position.
EP10771772.0A 2009-11-04 2010-11-03 Filling device having a special valve system Active EP2496513B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0957798A FR2952047B1 (en) 2009-11-04 2009-11-04 FILLING DEVICE WITH PARTICULAR VALVE SYSTEM
PCT/EP2010/066708 WO2011054850A1 (en) 2009-11-04 2010-11-03 Filling device having a special valve system

Publications (2)

Publication Number Publication Date
EP2496513A1 EP2496513A1 (en) 2012-09-12
EP2496513B1 true EP2496513B1 (en) 2015-01-07

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EP10771772.0A Active EP2496513B1 (en) 2009-11-04 2010-11-03 Filling device having a special valve system

Country Status (6)

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US (1) US9233821B2 (en)
EP (1) EP2496513B1 (en)
CN (1) CN102630214B (en)
BR (1) BR112012010474A2 (en)
FR (1) FR2952047B1 (en)
WO (1) WO2011054850A1 (en)

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CN102897700B (en) * 2012-08-15 2014-04-30 北äŗ¬å¼ŗåŗ¦ēŽÆ境ē ”ē©¶ę‰€ Upper-opening-type filling valve with central small flow rate
DE102013109633A1 (en) * 2013-09-04 2015-03-05 Sig Technology Ag Device for controlling the flow rate
CN105600725A (en) * 2015-10-19 2016-05-25 č‹å·žåø‚天幕ę™Æč§‚č£…é„°å·„ēØ‹ęœ‰é™å…¬åø Leak-resistant filling valve
CN109466835B (en) * 2018-11-09 2023-12-15 å¹æå·žč¾¾ę„éš†åŒ…č£…ęœŗę¢°č‚”ä»½ęœ‰é™å…¬åø Rotary filling machine

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Also Published As

Publication number Publication date
CN102630214A (en) 2012-08-08
WO2011054850A1 (en) 2011-05-12
US9233821B2 (en) 2016-01-12
US20120234435A1 (en) 2012-09-20
BR112012010474A2 (en) 2016-03-15
CN102630214B (en) 2015-02-25
EP2496513A1 (en) 2012-09-12
FR2952047A1 (en) 2011-05-06
FR2952047B1 (en) 2011-12-09

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