EP1156980B1 - Verfahren und vorrichtung zum genauen abfüllen eines behälters mit flüssigkeit - Google Patents

Verfahren und vorrichtung zum genauen abfüllen eines behälters mit flüssigkeit Download PDF

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Publication number
EP1156980B1
EP1156980B1 EP99971782A EP99971782A EP1156980B1 EP 1156980 B1 EP1156980 B1 EP 1156980B1 EP 99971782 A EP99971782 A EP 99971782A EP 99971782 A EP99971782 A EP 99971782A EP 1156980 B1 EP1156980 B1 EP 1156980B1
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EP
European Patent Office
Prior art keywords
shutter
tube
pole
generator
pole pieces
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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.)
Expired - Lifetime
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EP99971782A
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English (en)
French (fr)
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EP1156980A1 (de
Inventor
Eric Adriansens
Guy Feuilloley
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Sidel SA
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Sidel SA
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    • 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
    • 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
    • B67C3/20—Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus with provision for metering the liquids to be introduced, e.g. when adding syrups
    • 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
    • B67C3/20—Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus with provision for metering the liquids to be introduced, e.g. when adding syrups
    • B67C3/202—Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus with provision for metering the liquids to be introduced, e.g. when adding syrups by weighing

Definitions

  • the invention relates to improvements to the methods of automatic filling, with a determined precision, of containers, such than bottles, with liquids. It also relates to a device for the implementation of the process.
  • a first type of problem which arises when filling containers with liquids is that of overflow related to the formation of foam on the surface of the liquid.
  • Most liquids have a higher propensity or less important to foam when introduced into a container.
  • the extent of the phenomenon depends on the filling rate and the shape of the container.
  • the higher the flow the higher the foaming is important.
  • a first known solution consists in filling with a low flow rate, so as not to produce foam. This solution is however incompatible with obtaining the desired high rates in the filling facilities.
  • a second solution consists in filling with a high flow rate and, for compensate for the production of foam, use containers slightly oversized, so as to contain the foam that forms during filling.
  • the volume left free in the container after absorption of the foam contains air, therefore oxygen, which can affect the good conservation of the liquid: the smaller the volume, the better the conservation.
  • the liquid may tend to absorb the oxygen contained in the air of the free volume: a vacuum is created, therefore a depression in the container. If the container is plastic, it can deform or collapse.
  • a second type of problem that arises is that of the accuracy of the dosage.
  • This second type of problem can be added to that linked to the formation of foam or be independent of it: in general, the filling means are controlled by a control circuit comprising means for measuring the volume of liquid introduced into the container. The precision of the means of measurement and speed of reaction of the control and closing means depends on the filling accuracy.
  • a first solution is to fill at low flow, to mitigate the effects of possible aforementioned drift.
  • This solution has the same disadvantages as the first solution envisaged to remedy the training problems of foam.
  • a second solution consists in ignoring the drift and in accept a variation in volume from one container to another. It is therefore advisable to oversize the containers to account for this possible variation. This solution has the same disadvantages as the second solution envisaged to remedy the foaming problems.
  • the object of the invention is therefore to remedy the drawbacks of the art prior, by proposing a device with means for actuating the sealing means allowing rapid and precise filling, that is to say allowing to reach the desired volume with an acceptable margin of error, avoiding having to use oversized containers and employing costly means of filling and / or measuring and / or controlling.
  • the subject of the invention is a device which enables rapid filling and precisely a container with a liquid in at least two phases: a main phase, during which the liquid is introduced with at least one first discrete flow; a terminal phase, during which the complement liquid, to complete the filling, is introduced into the container with a second discrete flow.
  • a container filling device comprising a valve with at least two discrete flows arranged in a supply circuit liquid upstream of the container and means for measuring the amount of liquid in the container connected to a control circuit, in order to give a flow change order, or stop filling order, depending on the quantity of liquid measured, the valve comprising closure means and passage from one flow to another such as a shutter moving in a tube, and means for actuating the shutter means, to arrange them either in a closed position or in a position causing a flow discrete given, is characterized in that the actuation means of the shutter are arranged outside the tube and are magnetic, and in this that the control of the actuators is electromagnetic and the magnetic circuit is arranged so that the shutter, after being put in a determined position corresponding to the shutter or an opening under a given flow, under the action of an electric control, remains in this position after releasing the electric control, until a new electric control to put it in another position is not applied.
  • the device of the invention makes it possible to achieve filling. much faster than those of the prior art, without presenting the disadvantages.
  • the valve since the means of shutter and passage from a flow to the other, after having been placed in a determined position corresponding to the shutter or an opening under a given flow, under the action of a electric control, remain in this position after releasing the order, until one order to put them in another position is not applied, the valve is energy efficient; she can by elsewhere to be held in a given position for a period of time important, without the control circuits unnecessarily heating up. This is particularly advantageous during cleaning operations as long as of the valve than of the liquid supply circuit.
  • the main phase can be carried out with a very high flow rate, and it is enough to adjust the parameters of the terminal phase to obtain the precision filling level.
  • the terminal phase must be such that it does not does not cause disturbance likely to thwart the desired result.
  • the first speed can therefore be unlimited: just choose, on the one hand, the moment of the transition from the main phase to the terminal phase and, on the other hand, the second flow, so that the disturbing phenomena likely to affect the filling accuracy have no influence undesirable.
  • the determination of the quantity of liquid in order to give an order to change the flow is carried out using means of weight measurement.
  • the determination of the quantity of liquid in order to give an order to change the flow is carried out using volumetric measurement means.
  • weight measurement is preferred.
  • the shutter and passage means from one flow to another move in a tube and are arranged so as to move from one position to another, without rubbing against the tube; they are in contact with part of the tube only in the closed position.
  • valve can be easily cleaned. Just put it in one position such that a liquid flow is possible and to circulate a liquid cleaning, even sterilization: due to the absence of friction, therefore notable contact, the cleaning fluid circulates everywhere around said means and the entire circuit is thus cleaned.
  • the valve for implementing the invention comprises a shutter 1 sliding in a tube 2 of cylindrical shape intended to be connected by its upper end 3 to a supply circuit of liquid communicating for example with a liquid reservoir not shown.
  • the lower end 4 of the tube 2 is placed in communication with the container to be completed, preferably not directly, but through a other conduct, not shown.
  • the shutter 1 is a plunger core having an elongated shape.
  • the tube 2 has two separate parts 5.6 of internal diameter different: in the example illustrated, a first part 5, upper, has an inner diameter greater than that of the lower part 6.
  • transition between these two parts is effected by a portion 7 of inner section preferably tapered or, alternatively hemispherical, or any other form which may constitute a seat shutter.
  • the shutter 1 also has two separate parts: a first part 8, upper, forming a cylindrical body whose outer diameter is smaller than the inside diameter of the upper part 5 of the tube 2, so that an annular space 9 exists between the upper parts 5 of the tube 2 and 8 shutter 1, respectively; a second part 10, lower, forming a cylindrical end piece whose outside diameter is less than inner diameter of the lower part 6 of the tube, so that when the nozzle is engaged in the lower part 6 of the tube, an annular space 11 exists between the lower parts 6 and 10 of the tube and the obturator.
  • section of the annular space 9 around the part upper 8 of the shutter is greater than that of the annular space 11 around the nozzle 10.
  • the annular section 9 around the part upper shutter is greater than the total section of the part lower 6 of tube 2.
  • the transition between the upper 8 and lower 10 parts of the shutter has a part 12 with a termination, here hemispherical, ensuring the shutter function when it is supported on the seat 7, as shown in Figure 1.
  • means 13 for centering the shutter 1 in the tube 2 are provided, such as lugs projecting radially from the upper part 8 of shutter 1 and regularly distributed around its periphery, this to compensate for the causes the outer diameter of the shutter to be smaller than that in all respects of the tube, with the exception of the part 12 for bearing on the seat 7.
  • lugs projecting radially from the upper part 8 of shutter 1 and regularly distributed around its periphery
  • FIG. 2 represents the valve according to the invention in which the shutter part 12 is released from seat 7 and the nozzle 10 remains partially engaged in the lower part 6, of small diameter, of the tube 2.
  • the valve lets liquid pass on the one hand through the annular space 9 between the upper parts 5 of the tube 8 and the shutter, on the other hand, through the annular space 11 between the lower parts 6 and 10 of the tube and the obturator.
  • the flow rate depends on part, of the pressure at which the liquid is introduced into the valve by its upper end 3 and, on the other hand, the minimum passage section which is offered to him, that is to say the section of the annular space 11 around end piece 10, since the latter is less than that of the annular space 9 between the upper part 8 of the shutter and the upper part 5 of the tube.
  • the liquid can pass on the one hand through the annular space 9 between the upper parts of the tube 2 and of the shutter 1, on the other hand through the lower part 6 of the tube, completely free.
  • valve shown in Figures 1 to 3 therefore allows, in addition to a shutter function, to obtain two discrete flows: a higher flow in the configuration of FIG. 3 and a lower flow rate in that of FIG. 2, and is therefore perfectly suited to the implementation of the method of the invention.
  • tube 2 would not only have two parts of different diameter, but as much as necessary ; the shutter, on the other hand, would release displacement, increasingly large passage sections.
  • the movement of the shutter can be ensured by a device mechanical, not shown, or preferably using a device electromagnetic such as that shown in Figures 1 to 3, or one of variants shown in Figures 4 to 7.
  • a mechanical device requires a connection between the shutter and the exterior, hence the need for seals and the risk of poor sealing. Furthermore, a valve with such a device would be more difficult to clean.
  • valve illustrated in FIGS. 1 to 3
  • the valve is driven by an electromagnetic device adapted to place the shutter in any of the positions shown and keep it there without energy consumption.
  • the upper part 8 of the shutter 1 has a housing in which is maintained a permanent magnet 14, preferably having a strong coercive field, that is to say having properties of weak demagnetization.
  • Such a type of magnet can be subjected to opposite fluxes without risk demagnetization: it will be explained later that, in a mode of preferred operation, the magnet will be subjected to opposite fields (attractive and repellent).
  • the north pole PN of the magnet is close to the upper end of the shutter 1; it will be assumed that its south pole PS is approximately in a median zone of the shutter, the north-south axis of the magnet being oriented along the longitudinal axis of the shutter 1.
  • the shutter is, in turn, made of magnetic material.
  • the movement of the shutter 1 is ensured by a device magnetic drive acting on the magnet 14 associated with the shutter 1 and preferably arranged as follows.
  • the magnetic drive device has two generators 15, 16 of magnetic fluxes which can be selectively activated, and each generator is arranged to, when it is put into operation, produce simultaneously an attractive flux and a repulsive flux on the magnet, in order to move.
  • the two generators 15,16 have the same architecture and each include three pole pieces 17,18,19 and 20.21.22 respectively.
  • the pole pieces are bars or plates whose polar end of each is pierced with a hole whose inner diameter corresponds to the outer diameter of tube 2, and each of pole pieces is arranged so that the tube passes through each of the holes.
  • each of the pole pieces of a generator is fixed to a respective core, 23 for the first generator 15, and 24 for the second 16.
  • the pole pieces of a generator are uniformly distributed over the length of the respective core, and the distance between two adjacent pole pieces corresponds substantially to the one between the two ends of the magnet 14.
  • each core has several portions, here two, located each between two adjacent pole pieces.
  • Each core portion is also surrounded by a solenoid respective.
  • four solenoids are therefore present, two 25.26 associated with the first generator 15, and two 27.28 associated with the second 16.
  • the set of solenoids is connected to a control unit 29, being able to deliver direct currents in the solenoids, to cause the appearance of magnetic fluxes circulating in the nuclei and in the parts polar, as will be explained later.
  • the control unit is by elsewhere arranged so that the direction of the current flowing in each solenoid can, if necessary, be reversed.
  • the control unit is arranged in such a way that each generator 15,16 can be activated selectively and separately.
  • the direction of winding of the solenoids of the same generator and / or the arrangement of their connections is such that, on the one hand, the solenoids of a same generator are supplied simultaneously and, on the other hand, when current flows there, it causes the appearance of two magnetic fluxes of meaning opposite from the pole end of the center piece towards each of the pole ends of the two end pieces, so that if a north pole appears on the polar end of the central part, it appears a south pole on the polar ends of two other pieces of the same generator.
  • the polarities are reversed.
  • the two generators are nested one inside the other: here, the lower pole piece 20 of the second generator 16 is located between the lower pole pieces 17 and central 18 of the first generator; the central pole piece 21 of the second generator 16 is located between the central pole 18 and upper pole pieces 19 of the first 15 and, finally, the upper pole piece 19 of the first generator 15 is located between the central 21 and upper 22 pole pieces of the second 16.
  • each generator 15,16 compared to tube 2 are provided: they are for example constituted by two screws 30,31 passing through a plate 32 fixed to the tube and each fixed to a respective generator, so that the rotation of a screw one way or the other causes the generator to go up or down corresponding.
  • a preset can indeed prove useful, for example to properly adjust the closed position and avoid any leakage: in this case, act on the screw 31 connected to the second generator 16; it may still prove useful to adjust the end of filling flow: in this case, act on the position of the first 15 generator by turning the respective screw 30. Indeed, as will be explained further on, it is the first generator 15 which makes it possible to place and maintain the shutter in the low flow position (terminal phase) and it is the second 16, which allows to place and maintain the shutter 1 in the closed position.
  • the lower pole piece 17 of the first generator surrounds the tube near the shutter seat 7, and the shutter 1 is arranged so that, when it is in the closed position, that is to say when the shutter part 12 is in contact with the seat 7, the lower pole of the magnet 14 which it contains (south by convention) is located slightly above the pole end of the lower pole piece 20 of the second generator , as illustrated in FIG. 1.
  • the south pole PS of the magnet must be distant from part 12, and there is provided a connecting piece such as a rod 33 connecting the housing of the magnet to the terminal 12.
  • the north pole PN of the magnet is located slightly above the pole end of the central pole piece 21 of the second generator.
  • the magnetic flux has a longitudinal component which causes the appearance of a force tending to align the poles of the magnet with the pole ends. But, since the part 12 abuts on seat 7, the force thus generated causes a keeping the shutter in contact with the seat 7, which ensures sealing.
  • the preset is further useful so that the shock between the shutter part 12 and the seat 7, at when closing the valve, does not damage seat 7 or the part 12 shutter.
  • the shutter is in the low flow position, that is to say the flow in the terminal phase: the upper pole PN of the magnet 14 is aligned with the pole end of the upper pole piece 19 of the first generator, and the lower pole PS of the magnet is aligned with the pole end of the central pole piece of the same generator.
  • the shutter keeps itself in this position, even in the absence current in the solenoids 25,26 of the first generator; indeed in this case, a flux due to the presence of the magnet 14 circulates in the latter, in the upper pole piece 19, in the core part 23 between the latter and the part central polar 18 and finally in this central room.
  • the shutter is in the high flow position: the upper pole PN of the magnet is aligned with the pole end of the upper pole piece 22 of the second generator 16; its lower pole PS is aligned with the pole end of the central pole piece 21 of the second generator.
  • the shutter self-maintains due to the magnetic flux in the magnet 14, the upper pole pieces 22 and central 21 and the part of the core 24 between these pole pieces.
  • the current in the solenoids 27,28 of said generator must be such that the upper pole of the magnet is attracted by the upper pole piece 22, while by being pushed back by the central part 21, and the lower pole of the magnet, is attracted by the central part, while being repelled by the lower part.
  • a first advantage appears when the shutter is placed from the position of figure 3 (high flow) to that of figure 2 (small flow) at the time the transition to the terminal phase.
  • the repulsion phenomenon avoids that the shutter, under the effect of the pressure of the liquid circulating in the valve, is not driven in the closed position.
  • Another advantage is that the movement of the shutter is more easily amortized: it stabilizes more quickly.
  • valve is weak energy consuming. It only requires current when passing from one position to another. This is particularly interesting when appropriate to maintain it for a long time in a determined position, for example in the closed position when equipment incorporating such a valve is in stop, or in an open position (small or large flow) during the equipment cleaning. This is of course usable during the phases filling.
  • the valve is controlled using the control unit 29, which is associated with means 34 for measuring the amount of liquid found in the container 35 being filled.
  • These means allow the control unit 29 to correctly position the shutter, and to pass from the position of figure 3 which corresponds to the large flow used during all or part of the main phase at the position of Figure 2 which corresponds to the small flow used during the terminal phase, to avoid problems mentioned in the preamble (foam overflow and / or dosage inaccuracy if the high flow rate was maintained until the end) on the one hand, and move it from the low flow position to the closed position of the Figure 1, on the other hand.
  • the measurement means 34 associated with the control unit 29 can be chosen from flowmeter, volumetric or weight. The last mentioned, namely the means of measurement are preferred by weight due to their lower complexity of implementation.
  • the control unit 29 is associated with programming means 36 to allow its configuration so that the various movement orders shutter are given at the appropriate times.
  • the valve of the invention also makes it possible to vary the flow rate during the main phase. In particular, it is possible to start filling with a small flow (position in Figure 2), in particular to avoid phenomena splash.
  • a first generator 37 is shown with four pole pieces 38,39,40,41 connected by a core 42. Each part of core separating two adjacent pole pieces is surrounded by a solenoid 43,44,45.
  • a second generator 46 comprises, as in the in FIGS. 1 to 3, three pole pieces 47, 48, 49 connected by a core 50, and each core part separating two adjacent parts is surrounded by a solenoid 51.52.
  • the shutter can take a position additional to Figures 1 to 3.
  • each set 43.44; 44.45 of two neighboring solenoids contained in the first generator can be excited selectively by the control unit 53, so that the pole pieces central and immediately external of each of said sets take the required polarities.
  • generators can be envisaged for the production of magnetic flux allowing the movement of the shutter.
  • a first mode implements a single generator having a number pole pieces at least one unit greater than the number of positions must take the shutter.
  • This mode is illustrated in FIGS. 5A to 5C in the case of a shutter likely to take three positions.
  • the generator 54 then comprises four pole pieces, referenced from 55 to 58 starting from the lower pole piece.
  • the entire valve has not been shown, but only the parts making it possible to understand its operation, that is to say the circuit magnetic with the generator 54, the pole pieces 55 ... 58, the magnet 59, and the solenoids 60,61,62 (from bottom to top) and the nucleus 63.
  • the displacement of the shutter is again obtained by exciting two neighboring solenoids so as to obtain both an attractive and a repulsive flux acting on the magnet 59.
  • FIGS. 1 to 4 are preferred for various reasons.
  • the longitudinal size of this solution is more important: for a three-position valve (two opening, one of closure), the generator 54 occupies three polar inter-room spaces against two and a half with the solution of figures 1 to 3.
  • the amplitude of displacement of the shutter when it goes from one position to another immediately adjacent, corresponds to the distance separating two pole pieces, i.e. substantially to the length of the magnet, whereas with the solution of nested generators, the passage between two adjacent positions implies a displacement of a half length of magnet.
  • control of the solenoids is more complex to carry out, because moving to a specific intermediate position may require the excitation of different solenoids depending on whether the passage takes place in the direction of raising or lowering of the shutter.
  • the pole end of the upper pole piece 58 has the same polarity as that of the nearest part 57, since the solenoid 62 between these two parts is not excited.
  • the magnet could remain in self-maintenance in the position of FIG. 5A, if the flux created by the magnet itself, looping by the lower pole piece 55, the immediately adjacent piece 56 and the part of core 63 between these two parts, was preponderant.
  • FIGS. 6 and 7 illustrate, in turn, two alternative embodiments generators that can be used in place of those illustrated in FIGS. 1 to 4, 5A to 5C.
  • the generator of FIG. 6 comprises three pole pieces 64, 65, 66 and a core 67.
  • a solenoid 68 is wound around the central pole piece 65. By circulating the current in one direction in the solenoid, it appears a polarity given on the pole end 69 of the central pole piece 65, and a opposite polarity on the polar ends of the extreme parts 64 and 66. In reversing the current, the polarities are reversed.
  • the generator of figure 7 is an extrapolation of that of figure 6. It has more than three pole pieces. Here five pieces 70, ... 74 have been shown, and each of the parts except those of the lower ends 70 and upper 74 is surrounded by a solenoid 75,76,77. A core 78 connects the pieces between them.
  • a generator conforming to that of FIG. 7 can be used instead and instead of that of FIGS. 5A to 5C.
  • each pole piece would be surrounded by a solenoid.
  • Such layout would be very cumbersome and would require a circuit of relatively complicated control.
  • valve can be oriented in a other than the one that was described, which is only the layout preferential, because the circulation of the liquid from the top to the bottom favors the passage in the closed position, therefore reduces the closing time, thus contributing to the desired precision. Indeed, with this provision, the liquid drives the shutter.

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  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Filling Of Jars Or Cans And Processes For Cleaning And Sealing Jars (AREA)
  • Basic Packing Technique (AREA)
  • Magnetically Actuated Valves (AREA)

Claims (16)

  1. Vorrichtung zum Füllen von Behältern mit einem Ventil mit zwei diskreten Durchflüssen, das in einer Flüssigkeitszufuhrleitung stromaufwärts vom Behälter (35) angeordnet ist, und Messmitteln (34) für die Flüssigkeitsmenge in dem Behälter, die mit einer Ansteuerschaltung (29) verbunden sind, um entsprechend der gemessenen Flüssigkeitsmenge ein Durchlussänderungskommando oder ein Stoppkommando für die Füllung zu geben, wobei das Ventil Mittel zum Verschluss und zum Übergang von einem Durchfluss zum anderen umfasst, wie beispielsweise einen Verschluss (1), der sich in einem Rohr (2) verschiebt, und Betätigungsmittel (15, 16; 37, 46; 54) für die Verschlussmittel, um sie entweder in einer Verschlussposition oder in einer Position anzuordnen, in der sie einen gegebenen, diskreten Durchfluss bewirken, dadurch gekennzeichnet, dass die Betätigungsmittel (15, 16; 37, 46; 54) des Verschlusses (1) außerhalb des Rohrs (2) angeordnet und magnetisch sind, und dass die Ansteuerung der Betätigungsorgane elektromagnetisch ist und der Magnetkreis dafür ausgelegt ist, dass der Verschluss, nachdem er in eine bestimmte Position gebracht wurde, die dem Verschluss oder einer Öffnung mit gegebenem Durchfluss entspricht, nach der Beendigung der elektrischen Ansteuerung in dieser Position bleibt, bis eine neue elektrische Ansteuerung erfolgt, um ihn in eine andere Position zu bringen.
  2. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass der Verschluss (1) einen Permanentmagneten (14) enthält und dass die magnetischen Betätigungsorgane (15, 16; 37, 46; 54) zumindest einen Generator umfassen, der dafür ausgelegt ist, wenn er in Betrieb ist, gleichzeitig einen anziehenden magnetischen Fluss und einen abstoßenden magnetischen Fluss am Magneten zu erzeugen, um diesen letzteren und damit den Verschluss von einer vorbestimmen Position in eine andere zu verschieben.
  3. Vorrichtung nach Anspruch 2, dadurch gekennzeichnet, dass ein Generator zumindest drei Polstücke (17, 18, 19; 20, 21, 22; 38, ... 41; 47, 48, 49; 55, ... 58; 64, 65, 66; 70, ... 74) umfasst, dass das Polende von jedem Stück das Rohr umgibt, dass das andere Ende von jedem der Stücke eines Generators an einem jeweiligen Kern (23; 24; 42; 50; 63; 67; 78) befestigt ist, und dass zumindest eine Spule in jedem Magnetkreisteil angeordnet ist, der von einer Einheit aus drei benachbarten Polstücken und den Kernteilen gebildet wird, die diese Stücke miteinander verbinden, so dass, wenn ein Strom in der Spule fließt, ein gegebener Magnetpol an dem Polende des mittleren Polstücks des Kreisteils und ein entgegengesetzter Pol an den Polenden der zwei extremen Stücke des Teils auftritt.
  4. Vorrichtung nach Anspruch 3, dadurch gekennzeichnet, dass die Polstücke eines Generators gleichförmig über die Länge des jeweiligen Kerns verteilt sind, und der Abstand zwischen zwei benachbarten Polstücken im Wesentlichen demjenigen zwischen zwei Enden (PS; PN) des Magnets (14; 59) entspricht, so dass, wenn die zwei Enden des Magneten sich gegenüber den Polstücken eines Generators befinden, der Magnet und damit der Verschluss von sich aus in dieser Position gehalten bleibt.
  5. Vorrichtung nach einem der Ansprüche 3 oder 4, dadurch gekennzeichnet, dass eine Spule (25; 26; 27; 28; 43; 44; 45; 51, 52; 60; 61; 62) um jeden Kernteil angeordnet ist, der zwei benachbarte Polstücke trennt, und dass die Gesamtheit der Spulen mit einer Ansteuereinheit (29; 53) verbunden ist, so dass zwei benachbarte Spulen selektiv und gleichzeitig gespeist werden können, damit am Polende des Polstücks, das zwischen zwei Spulen liegt, ein gegebener Pol auftritt, und ein entgegengesetzter Pol an den Polenden jedes der Polstücke, die auf beiden Seiten dieser zwei Spulen liegen.
  6. Vorrichtung nach einem der Ansprüche 3 oder 4, dadurch gekennzeichnet, dass eine Spule (68; 75; 76; 77) um jedes der Polstücke (65; 71; 72; 73) jedes Generators angeordnet ist, mit Ausnahme derjenigen (64; 66; 70; 74) der Enden des Generators, und jede Spule mit einer Ansteuereinheit verbunden ist, so dass nur jeweils eine gespeist werden kann, damit am Polende des Polstücks, das von der Spule umgeben ist, die gespeist wird, ein gegebener Magnetpol auftritt, und ein entgegengesetzter Pol an den Polenden der zwei benachbarten Polstücke.
  7. Vorrichtung nach einem der Ansprüche 3 bis 6, dadurch gekennzeichnet, dass sie zwei ineinander verschachtelte Generatoren umfasst und die Gesamtzahl der Polstücke in der Einheit von Generatoren so ist, dass sie es gestattet, die Positionierung des Verschlusses in der Gesamtheit der erwünschten Positionen (Verschluss und mindestens zwei Durchflüsse) zu erhalten.
  8. Vorrichtung nach einem der Ansprüche 3 bis 6, dadurch gekennzeichnet, dass sie einen einzigen Generator umfasst, der zumindest ein Polstück mehr aufweist, als der Verschluss Positionen einnehmen soll.
  9. Vorrichtung nach einem der Ansprüche 3 bis 8, dadurch gekennzeichnet, dass der Generator, der verwendet wird, um den Verschluss in der Schließstellung zu platzieren, relativ zu dem Rohr (2) so angeordnet ist, dass, wenn der Verschluss sich in der Schließstellung befindet und Strom in zumindest einer der Spulen abwesend ist, die Enden (PN, PS) des Magnets relativ zu den Polenden von zwei Polstücken versetzt sind, die zur Positionierung in der Schließstellung dienen, so dass der durch den Magneten erzeugte Magnetfluss, der in dem Magnet, in den Polstücken und in dem die Stücke verbindenden Kernteil fließt, eine Längskomponente aufweist, die sich in einer Kraft äußert, die den Verschluss am Sitz anliegend hält.
  10. Vorrichtung nach einem der Ansprüche 3 bis 9, dadurch gekennzeichnet, dass sie Mittel zur Vorregelung (30, 31, 32) der Relativposition eines, beziehungsweise jedes Generators relativ zum Rohr (2) umfasst.
  11. Vorrichtung nach einem der Ansprüche 1 bis 10, dadurch gekennzeichnet, dass die Messmittel (34) für die Flüssigkeitsmenge in dem Behälter, die mit einer Ansteuerschaltung (29) verbunden sind, um entsprechend der gemessenen Flüssigkeitsmenge ein Kommando zur Durchflussänderung oder ein Füllstoppkommando zu geben, Gewichtsmessmittel sind.
  12. Vorrichtung nach einem der Ansprüche 1 bis 10, dadurch gekennzeichnet, dass die Messmittel (34) für die Flüssigkeitsmenge in dem Behälter, die mit einer Ansteuerschaltung (29) verbunden sind, um entsprechend der gemessenen Flüssigkeitsmenge ein Kommando zur Durchflussänderung oder ein Füllstoppkommando zu geben, Volumenmessmittel sind.
  13. Vorrichtung nach einem der Ansprüche 1 bis 12, dadurch gekennzeichnet, dass das Rohr (2) zumindest zwei verschiedene Teile (5, 6) mit unterschiedlichem Innendurchmesser aufweist, dass ein Teil (6) mit kleinerem Durchmesser sich in der Nähe eines Endes (4) des Rohrs (2) befindet, dass die Durchmesser der verschiedenen Teile des Rohr in Richtung des anderen Endes (3) des Rohrs (2) anwachsen, dass der Übergang zwischen dem Teil (6) mit dem kleineren Durchmesser und dem benachbarten Teil einen Verschlusssitz (7) bildet, an dem ein Endstück (12) eines Teils des Verschlusses, das für die Verschlussfunktion sorgt, zur Anlage kommt, wenn dieser letztere in der Verschlussstellung ist, dass der Verschluss einerseits gegenüber den verschiedenen Teilen des Rohrs (2) und andererseits zusätzlich zur Verschlussposition ebenso viele feste Positionen einnehmen kann, wie das Rohr Teile mit unterschiedlichem Durchmesser besitzt, so dass der dem Fluid angebotene Durchtrittsquerschnitt diskret zunimmt, je nach dem in welche feste, von dem Sitz (7) entfernte Position der Verschluss gebracht wird, wodurch für jede Position des Verschlusses ein unterschiedlicher, diskreter Durchfluss bewirkt wird.
  14. Vorrichtung nach einem der Ansprüche 1 bis 13, dadurch gekennzeichnet, dass das Rohr (2) zwei Teile (5, 6) mit unterschiedlichem Innendurchmesser umfasst und der Verschluss (1) zwei Teile (8, 10) mit unterschiedlichem Außendurchmesser umfasst, wobei der erste (8) außerdem einen zylindrischen Körper mit einem Außendurchmesser aufweist, der kleiner als der Innendurchmesser des Teils (5) des Rohrs mit größerem Durchmesser ist, wobei der zweite (10) einen zylindrischen Endansatz bildet, dessen Außendurchmesser kleiner als der Innedurchmeser des Teils (6) des Rohrs mit kleinerm Durchmesser ist, wobei der Übergang (7) zwischen den zwei Teilen des Rohrs eine solche Form aufweist, dass er einen Verschlusssitz bildet, wobei der Übergang zwischen den zwei Teilen des Verschlusses ein Endstück (12) aufweist, das für die Verschlussfunktion sorgt, wenn es am Sitz anliegt, wobei der Verschluss drei Positionen einnehmen kann: eine erste, in der das Endstück an dem Sitz anliegt, eine zweite, in der der Ansatz teilweise im Eingriff mit dem Teil (6) des Rohrs mit kleinem Durchmesser bleibt, und eine dritte, in der der Ansatz vollständig frei von dem Teil (6) des Rohrs mit kleinem Durchmesser ist, wobei der erste Teil (8) des Verschlusses permanent in dem Teil (5) des Rohrs mit größerem Durchmesser angeordnet ist und der Querschnitt des ringförmigen Raums (9) zwischen dem ersten Teil des Verschlusses (1) und dem Teil (5) des Rohrs mit größerem Durchmesser größer ist als derjenige des ringförmigen Raums (11) zwischen dem Ansatz und dem Teil (6) des Rohrs mit kleinerem Durchmesser ist.
  15. Vorrichtung nach Anspruch 14, dadurch gekennzeichnet, dass der Querschnitt des ringförmigen Raums (9) zwischen dem ersten Teil des Verschlusses und dem Teil (5) des Rohrs mit größerem Durchmesser größer als der Gesamtquerschnitt des Teils (6) des Rohrs mit kleinerem Durchmesser ist.
  16. Vorrichtung nach einem der Ansprüche 1 bis 15, dadurch gekennzeichnet, dass das Ventil Mittel (13) zur Zentrierung des Verschlusses (1) in dem Rohr (2) umfasst.
EP99971782A 1998-11-09 1999-11-08 Verfahren und vorrichtung zum genauen abfüllen eines behälters mit flüssigkeit Expired - Lifetime EP1156980B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR9814183A FR2785598B1 (fr) 1998-11-09 1998-11-09 Procede pour remplir avec precision un recipient avec un liquide et dispositif pour la mise en oeuvre
FR9814183 1998-11-09
PCT/FR1999/002736 WO2000027743A1 (fr) 1998-11-09 1999-11-08 Procede pour remplir avec precision un recipient avec un liquide et dispositif pour la mise en oeuvre

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EP1156980B1 true EP1156980B1 (de) 2004-05-12

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AU (1) AU1164300A (de)
DE (1) DE69917330T2 (de)
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FR (1) FR2785598B1 (de)
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WO (1) WO2000027743A1 (de)

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EP2915775A1 (de) 2014-03-06 2015-09-09 Krones AG Vorrichtung und Verfahren zum Befüllen eines Behälters mit einem Füllprodukt

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DE102004022519B4 (de) * 2004-05-05 2021-02-18 Endress + Hauser Flowtec Ag Vorrichtung zur Abfüllung eines Mediums
ITBO20050393A1 (it) * 2005-06-08 2005-09-07 Azionaria Costruzioni Acma Spa Macchina per riempire contenitori con prodotti liquidi o in polvere
WO2007016957A1 (en) * 2005-07-28 2007-02-15 Sidel Filling valve having a three-position valve rod
ES2313249T3 (es) * 2005-09-13 2009-03-01 Sidel Participations Procedimiento y dispositivo para llenar un contenedor con una cantidad de liquido predeterminada y la maquina de llenado asociada.
EP2029469B1 (de) * 2006-05-29 2013-11-06 KHS GmbH Füllelement sowie füllmaschine mit derartigen füllelementen
DE102011018479B4 (de) 2011-04-21 2014-10-16 Khs Gmbh Flüssigkeitsventil
ITTO20110936A1 (it) * 2011-10-18 2013-04-19 Sidel Spa Con Socio Unico Organo dosatore per macchina riempitrice
DE102012105346A1 (de) * 2012-06-20 2013-12-24 Krones Ag Antriebsvorrichtung für ein Ventil einer Getränkeabfüllanlage
EP2921451B1 (de) * 2014-03-18 2016-09-21 SIDEL S.p.A. con Socio Unico Fülleinheit zum Füllen von Behältern mit schüttfähigen Produkten
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EP2915775A1 (de) 2014-03-06 2015-09-09 Krones AG Vorrichtung und Verfahren zum Befüllen eines Behälters mit einem Füllprodukt
DE102014102958A1 (de) 2014-03-06 2015-09-24 Krones Ag Vorrichtung und Verfahren zum Befüllen eines Behälters mit einem Füllprodukt

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ATE266600T1 (de) 2004-05-15
AU1164300A (en) 2000-05-29
WO2000027743A1 (fr) 2000-05-18
ES2224752T3 (es) 2005-03-01
PT1156980E (pt) 2004-10-29
FR2785598A1 (fr) 2000-05-12
FR2785598B1 (fr) 2000-12-01
DE69917330D1 (de) 2004-06-17
DE69917330T2 (de) 2005-05-12
EP1156980A1 (de) 2001-11-28

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