EP1698558B1 - Füllventil versehen mit einem Ventilkörper mit einem im wesentlichen zylindrischen Verdrängungselement. - Google Patents

Füllventil versehen mit einem Ventilkörper mit einem im wesentlichen zylindrischen Verdrängungselement. Download PDF

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Publication number
EP1698558B1
EP1698558B1 EP06075425A EP06075425A EP1698558B1 EP 1698558 B1 EP1698558 B1 EP 1698558B1 EP 06075425 A EP06075425 A EP 06075425A EP 06075425 A EP06075425 A EP 06075425A EP 1698558 B1 EP1698558 B1 EP 1698558B1
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EP
European Patent Office
Prior art keywords
valve
filling
flow chamber
valve body
outflow duct
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.)
Expired - Fee Related
Application number
EP06075425A
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English (en)
French (fr)
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EP1698558A2 (de
EP1698558A3 (de
Inventor
Antonius Martinus Maria Wingens
Cornelis Pieter Kranenburg
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Stork Food and Dairy Systems BV
Original Assignee
Stork Food and Dairy Systems BV
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Stork Food and Dairy Systems BV filed Critical Stork Food and Dairy Systems BV
Publication of EP1698558A2 publication Critical patent/EP1698558A2/de
Publication of EP1698558A3 publication Critical patent/EP1698558A3/de
Application granted granted Critical
Publication of EP1698558B1 publication Critical patent/EP1698558B1/de
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B39/00—Nozzles, funnels or guides for introducing articles or materials into containers or wrappers
    • B65B39/001—Nozzles, funnels or guides for introducing articles or materials into containers or wrappers with flow cut-off means, e.g. valves
    • B65B39/004—Nozzles, funnels or guides for introducing articles or materials into containers or wrappers with flow cut-off means, e.g. valves moving linearly
    • 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

Definitions

  • the invention relates to a filling valve for the metered delivery of a flow of liquid medium containing solid particles.
  • valve housing having a flow chamber connected to a medium supply.
  • an actuable valve body is accomodated for opening and closing an outlet opening provided at the bottom.
  • a circumferential wall part of the valve body bears against a seat provided in the valve housing in a sealing manner.
  • a pipe section is provided here at the bottom of the valve housing. The purpose thereof is to prevent dripping from any medium remaining in the pipe section after a filling cycle as a result of capillary action.
  • EP-1 000 898 B discloses a filling valve with which low-viscosity products can be filled.
  • the bottom of the valve body is in this case provided with a stepped end, the diameter of which decreases in the downward direction.
  • a filling machine for filling containers is known from US-A-3349973 .
  • This known filling machine comprises a tank which is in communication with a metering chamber via an inlet opening.
  • the metering chamber comprises a metering mechanism with a piston/cylinder assembly.
  • the metering chamber has an outlet opening.
  • the assembly is designed for opening and closing the inlet opening and outlet opening, and to this end comprises two valve elements which are connected to one another in such a manner that, in the open position of the inlet opening, the outlet opening is closed and, in the open position of the outlet opening, the inlet opening is closed.
  • the purpose thereof is to prevent leakage from the tank to the metering chamber, when the outlet opening of the latter is open and the action of the filling machine is interrupted.
  • the outlet opening comprises an outlet duct of a certain length which, in the closed position, is completely filled with a displacement part of the closure element.
  • EP 0850 838 A1 discloses a filling valve for the metered delivery of fluids, in which the outlet is adapted to the type of fluid.
  • the outlet is adapted to the type of fluid.
  • a wide discharge nozzle with flow reduction means and a series of screens interrupting the jet is provided.
  • This embodiment is not suitable for filling containers with a liquid product containing particles.
  • a closure element is used which cuts off the product strand when the supply is interrupted.
  • EP-A-0 534 913 discloses a filling valve having a vertical flow chamber, which at its bottom is provided, at its bottom, with a cylindrical outflow duct at a decentralised position.
  • the valve body is provided with a cylindrical displacement part slideable in the outflow duct.
  • the valve housings does not have a seat for the valve body, indicating that no pressure is exerted on the medium to be metered in the closed position.
  • This known filling valve is of the plunger filling type, wherein firstly the medium is sucked in and then pressed away.
  • DE-A-19 918 430 discloses also a filling valve of the plunger filling type, wherein the medium is sucked in by relative movement of two sleeves with respect to each other, which sleeves are positioned directly in a storage tank for the medium.
  • FR-A-664 686 discloses a filling valve, wherein the valve body (without actuating means) is raised by the forces of the liquid flow in open position of a tap and consequently set the outflow duct free. In closed position there is no flow of liquid and due to its own weight the valve body sinks into the outflow duct.
  • the filling valve comprises a valve housing having a flow chamber with an inlet and an outlet opening.
  • An actuable valve body is accommodated in the flow chamber for opening and closing the outlet opening.
  • actuating means for displacing the valve body between an open and a closed position are provided.
  • a circumferential wall part of the valve body bears against a seat provided in the valve housing in a sealing manner.
  • the valve body comprises a substantially cylindrical displacement part, while the valve housing, at its bottom end, is provided with a substantially cylindrical outflow duct adjoining the flow chamber. This outflow duct helps to make the flow of medium flow out in the desired direction.
  • the outflow duct has a cylindrical shape which is favourable in view of hygiene.
  • the displacement part accurately fits displaceably, for example slideably, into the outflow duct, and is designed to fill the outflow duct in the closed position for at least three quarters of its length.
  • the ratio of the length to the diameter is greater than 1. On the one hand this eliminates squirting and on the other hand this prevents dripping, with capillary action only playing a minor role, if any, and the displacement part can be of simple design.
  • the filling valve is very well suited to the metered delivery of flows of liquid medium containing particles, in particular fruit juices containing fruit pulp particles and/or fruit chunks.
  • the fruit chunks may even have dimensions as large as 9x9x9 mm.
  • the sealing of the outflow opening is effected by the circumferential wall part of the valve body that bears against the seat of the valve housing, the length of the outflow duct needs to be larger than its diameter in order to minimalise the chance of dripping upon closure and to prevent squirting during dosing. This is particularly true for a flow of liquid medium containing particles which is metered under pressure.
  • the outflow duct has a minimum length of 6 mm, more preferably a minimum length of 12 mm.
  • the ratio of the length to the diameter of the outflow duct is greater than 1, more particularly greater than 1.5, advantageously approximately 1.8-2.0.
  • the actuating means are not only designed to move the valve body up and down between the open and the closed position, but they are also designed to cause a rotary movement of the valve body in the closed position.
  • particles in the flow of medium can be released. Consideration may be given to fibrous particles such as those occurring in fruit juices. These particles may become lodged between the valve body and the valve housing, and may otherwise cause dripping and the like.
  • the rotary movement may also comprise a reciprocating rotation about the longitudinal axle of the valve body.
  • the filling valve is designed for metering of a pressurized medium, wherein there is an open communication between the flow chamber and the medium supply both in the closed and in the open position of the filling valve.
  • a pump and the like can be provided in the medium supply between a storage tank of the medium and the inlet of the flow chamber in order to allow a pressurized supply of the medium.
  • Operation of the filling valve with a medium continuously pressurized in the flow chamber has the advantage that no inlet valve needs to be present in the inlet. In addition the risk of contamination of the valve is reduced, because a smaller number of parts contacts the medium flow.
  • the invention relates to the use of the filling valve according to the invention, as defined in claim 13.
  • the viscosity of the flow of liquid medium is advantageously in the region of 1-100 mPas.
  • the flow of medium is a low-viscosity product with a maximum risk of squirting.
  • the product is so viscous that it remains stuck in a discharge duct as a result of capillary action.
  • the invention relates to a filling device for filling containers with a flow of liquid medium containing particles, which device comprises a filling valve according to the invention, in which the flow chamber is in communication with a pressure supply via the inlet opening for the pressurized supply of the medium to the flow chamber.
  • the filling device comprises a pressure supply for the pressurized supply of the flow of medium, such as fruit juice containing fibres, from a tank to the flow chamber.
  • the supply remains in open communication with the flow chamber, both in the closed and in the open position of the valve body. There is therefore no second valve body present in the filling valve for periodically closing and opening the inlet opening.
  • the filling device can now be used in metering by volume or weight in which the medium to be filled into containers in the flow chamber is under continuous pressure.
  • the filling valve 1 comprises a valve housing 2 made up of several parts.
  • the wall parts of the valve housing 2 delimit a flow chamber 3.
  • the flow chamber 3 contains an elongate valve body 4 which can be moved up and down relative to the valve housing 2 by actuating means 5 between an open and a closed position.
  • Fig. 1 shows the closed position, in which an outlet opening 7 provided at the bottom of the flow chamber 3 is sealed by the valve body 4.
  • the flow chamber 3 is furthermore provided with an inlet opening (not shown in Fig. 1 ) which adjoins a pressure supply (not shown) for the pressurized supply of a liquid containing particles from a liquid tank (likewise not shown) to the flow chamber 3.
  • the valve body 4 comprises a stem-shaped initial part 4a which merges with a thickened central part 4b which in turn merges with a cylindrical displacement part 4c.
  • valve housing 2 delimits a cylindrical outlet duct 10 which, at the top end, adjoins the flow chamber 3 and, at the bottom end, forms the outlet opening 7.
  • the displacement part 4c accurately fits slideably in the outflow duct 10, the length of the displacement part 4c substantially corresponding to the length of the outflow duct 10. This ensures that the displacement part 4c completely fills the outflow duct 10 in the closed position.
  • a substantially radially extending circumferential wall part 12 is situated between the central part 4b and the displacement part 4c, which circumferential wall part 12, in the closed position of the valve body 4, axially bears in a sealing manner against a seat 13, which is located in the valve housing 2 at the location of the passage from the flow chamber 3 to the outflow duct 10.
  • the outflow duct 10 has a length greater than 12 mm. Furthermore, in this case the ratio of the length to the diameter of the outflow duct 10 is greater than 1. This minimum length and minimum ratio between the length and the diameter of the outflow duct 10 give the liquid a desired outflow direction in the open position of the valve body 4 while preventing squirting and also eliminating dripping in the closed position.
  • valve body 4 If, in use, the valve body 4 is in the open position, that is to say when the displacement part 4c is at some distance above the outflow duct 10, medium will be discharged from the valve housing 2 at the bottom via the outlet opening 7. As soon as a desired dose of medium has thus been discharged from the filling valve 1 via the outlet opening 7, the actuating means 5 will move the valve body 4 downwards. In this case, the outflow duct 10 is emptied by the displacement part 4c of the valve body 4. At the end of the downward stroke of the valve body 4, the said circumferential wall part 12 at least partially comes to bear radially in a sealing manner against the seat 13, while the situation is also brought about where the displacement part 4c has completely emptied the outflow duct 10.
  • the actuating means 5 are not only designed to move the valve body 4 up and down, but are also capable of rotating the valve body 4 relative to the valve housing 2. By causing the valve body 4 to rotate or to execute a rotary movement in the closed position by suitably driving the actuating means 5, any particles present in the flow of medium which have become lodged between the valve body 4 and the valve housing 2 during the closing process can still be released and thus no longer hinder a good sealing of the valve body 4 in the valve housing 2 or cause dripping or the like.
  • Fig. 2 shows a variant in which identical parts are denoted by the same reference numerals. An important difference here is that the displacement part 21 is not as long as the discharge duct 22. Fig. 2 also shows the closed position, in which only a minimal clear space remains in the discharge duct 22 at the bottom of the displacement part 21 as a result of the difference in length. The end of the displacement part 21 is of conical design in this case. The differences in length are such that the displacement part 21 fills at least three quarters of the length of the outflow duct 22.
  • the length of the outflow duct 22 is at least 12 mm in this case too, in particular approximately 18 mm, while the diameter of the outlet opening 7 has again been chosen such that the ratio of the length to the diameter of the outflow duct 22 is greater than 1. In particular, in Fig. 2 , this ratio is approximately 1.4.
  • the length of the minimal space which remains clear at the bottom of the discharge duct 22 is in this case between 0 and 5 mm, more particularly this length is approximately 3 mm here.
  • Fig. 2 shows a pressure supply 25, one end of which runs into the inlet opening 26 of the flow chamber 3 and which remains in open communication with the flow chamber 3 in every position of the valve body 4. The other end is in communication with a tank (not shown).
  • the central part 4b of the valve body 4 is provided with guide fins 28. These serve to centre the valve body 4 in the flow chamber 3.
  • Fig. 3 shows a further variant of the bottom of the filling valve at the location of the displacement part.
  • a stem-shaped valve body 30 is provided, the bottom end of which forms a cylindrical displacement part.
  • a valve housing 31 is provided which delimits a cylindrical outflow duct 32 at its bottom end.
  • the outflow duct 32 is delimited at the bottom by a wall part 34 of the valve housing 31 which wall part 34 radially projects inwardly and forms a seat there against which the bottom end 35 of the valve body 30 comes to bear in a sealing manner in the closed position.
  • a filling valve is also provided in which the displacement part of the valve body 30 accurately fits slideably in the outflow duct 32 in order to fill the latter to at least three quarters full in the closed position.
  • Fig. 4 shows a further variant of this, the valve body 30 being provided at its bottom end with a narrowing end part 36 which extends beyond the bottom of the valve housing in the closed position. This advantageously ensures that there is no more clear space left at the bottom end of the outflow duct so that this is completely emptied during a closing movement.
  • the various components of the filling valve can be of different design and/or be constructed with different relative proportions.
  • a filling valve which, in an open position, can dispense a very stable, directed flow of medium which can be accurately metered, while efficiently preventing dripping in the closed position.
  • the filling valve is advantageously of simple design and is inexpensive to produce. Finally, the filling valve is easy to clean due to its simple design.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Filling Of Jars Or Cans And Processes For Cleaning And Sealing Jars (AREA)
  • Supply Of Fluid Materials To The Packaging Location (AREA)
  • Lift Valve (AREA)
  • Basic Packing Technique (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)
  • Check Valves (AREA)

Claims (18)

  1. Füllventil (1) für die bemessene Abgabe eines Stroms eines flüssigen Mediums, das Partikel enthält, enthaltend:
    ein Ventilgehäuse (2; 31), das eine Strömungskammer (3) mit einer Einlass-(26) und einer Auslassöffnung (7) hat;
    einen betätigbaren Ventilkörper (4; 30), der in der Strömungskammer (3) aufgenommen ist und die Auslassöffnung öffnet und schließt;
    eine Betätigungseinrichtung (5), die den Ventilkörper zwischen einer geöffneten und einer geschlossenen Stellung verschiebt;
    wobei ein Wandteil (12) des Ventilkörpers (4; 30) in der geschlossenen Stellung auf einem Sitz (13; 34), der im Ventilgehäuse (2; 31) vorgesehen ist, dichtend ruht,
    der Ventilkörper (4) ein im wesentlichen zylindrisches Verdrängungsteil (4c) an seinem unteren Ende enthält und das Ventilgehäuse (2, 31) an seinem unteren Ende mit einer im wesentlichen zylindrischen Ausströmleitung (10; 32) versehen ist, die an die Strömungskammer (3) grenzt,
    und das Verdrängungsteil (4c) derart präzise verschiebbar in die Ausströmleitung (10; 32) passt, dass das Verdrängungsteil (4c) die Ausströmleitung (12; 32) in der geschlossenen Stellung für wenigstens drei Viertel seiner Länge füllt und das Verhältnis der Länge zum Durchmesser der Ausströmleitung (10; 32) größer als 1 ist.
  2. Füllventil nach Anspruch 1, bei dem die Ausströmleitung (10; 32) eine minimale Länge von 6 mm hat.
  3. Füllventil nach Anspruch 2, bei dem die Ausströmleitung (10; 32) eine minimale Länge von 12 mm hat.
  4. Füllventil nach einem der vorhergehenden Ansprüche, bei dem das Verhältnis der Länge zum Durchmesser der Ausströmleitung (10; 32) größer als 1,5 ist.
  5. Füllventil nach einem der vorhergehenden Ansprüche, bei dem der Ventilkörper (4; 30) auf dem Sitz (13; 34), der im Ventilgehäuse (2; 31) vorgesehen ist, in der geschlossenen Stellung dichtend ruht.
  6. Füllventil nach einem der vorhergehenden Ansprüche, bei dem die Betätigungseinrichtung (5) zudem so beschaffen ist, dass sie eine Drehbewegung des Ventilkörpers (4; 30) in der geschlossenen Stellung bewirkt.
  7. Füllventil nach einem der vorhergehenden Ansprüche, bei dem der Ventilsitz (34) in einem unteren Teil der Ausströmleitung (32) vorgesehen ist.
  8. Füllventil nach einem der vorhergehenden Ansprüche 1 bis 6, bei dem der Ventilsitz (13) an der Oberseite der Ausströmleitung (10) vorgesehen ist.
  9. Füllventil nach einem der vorhergehenden Ansprüche, bei dem die Ausströmleitung (10; 32) höchstens 5 mm länger ist als das Verdrängungsteil (4c).
  10. Füllventil nach einem der vorhergehenden Ansprüche, bei dem das Verdrängungsteil (4c) die Ausströmleitung (10; 32) in der geschlossenen Stellung im wesentlichen vollständig ausfüllt.
  11. Füllventil nach einem der vorhergehenden Ansprüche, bei dem die Strömungskammer (3) mit einer Medienzuführeinrichtung (25) in Verbindung steht, um das Medium in die Strömungskammer (3) über die Einlassöffnung (26) unter Druck zuzuführen.
  12. Füllventil nach einem der vorhergehenden Ansprüche, bei dem die Medienzuführeinrichtung (25) sowohl in der geschlossenen als auch in der geöffneten Stellung des Ventilkörpers (4; 30) in offener Verbindung mit der Strömungskammer (3) steht.
  13. Verwendung eines Füllventils (1) nach einem der vorhergehenden Ansprüche für die bemessene Abgabe eines Stroms eines flüssigen Mediums, das Partikel enthält, insbesondere Fruchtsaft, der Fruchtpulpepartikel und/oder Fruchtstückchen enthält, in einen Behälter.
  14. Verwendung nach Anspruch 13, bei der die Strömungskammer (3) mit einer Medienzuführeinrichtung (25) in Verbindung steht, um das Medium der Strömungskammer (3) über die Einlassöffnung (26) unter Druck zuzuführen.
  15. Verwendung nach Anspruch 14, bei der die Medienzuführeinrichtung (25) sowohl in der geschlossenen als auch in der geöffneten Stellung des Ventilkörpers (4; 30) in offener Strömungsverbindung mit der Strömungskammer (3) steht.
  16. Verwendung nach einem der vorhergehenden Ansprüche 13 bis 15, bei der das Medium eine Viskosität im Bereich von 1-100 mPas hat.
  17. Füllvorrichtung zum Befüllen von Behältern mit einem Strom eines flüssigen Mediums, das Partikel enthält, wobei die Vorrichtung ein Füllventil (1) nach einem der vorhergehenden Ansprüche 1-12 enthält, bei dem die Strömungskammer (3) mit einer Medienzuführeinrichtung (25) über die Einlassöffnung (26) in Verbindung steht, um das Medium der Strömungskammer (3) unter Druck zuzuführen, wobei die Medienzuführeinrichtung mit einem Aufbewahrungstank des Mediums in Verbindung steht.
  18. Füllvorrichtung nach Anspruch 17, bei der die Medienzuführeinrichtung (25) sowohl in der geschlossenen als auch in der geöffneten Stellung des Ventilkörpers (4; 30) in offener Verbindung mit der Strömungskammer (3) steht.
EP06075425A 2005-03-04 2006-02-24 Füllventil versehen mit einem Ventilkörper mit einem im wesentlichen zylindrischen Verdrängungselement. Expired - Fee Related EP1698558B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL1028458 2005-03-04
NL1029640A NL1029640C2 (nl) 2005-03-04 2005-07-28 Vulklep met een kleplichaam met een in hoofdzaak cilindrisch verdringingsdeel.

Publications (3)

Publication Number Publication Date
EP1698558A2 EP1698558A2 (de) 2006-09-06
EP1698558A3 EP1698558A3 (de) 2006-10-11
EP1698558B1 true EP1698558B1 (de) 2010-04-14

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP06075425A Expired - Fee Related EP1698558B1 (de) 2005-03-04 2006-02-24 Füllventil versehen mit einem Ventilkörper mit einem im wesentlichen zylindrischen Verdrängungselement.

Country Status (5)

Country Link
US (1) US20060289078A1 (de)
EP (1) EP1698558B1 (de)
JP (1) JP2006240745A (de)
DE (1) DE602006013535D1 (de)
NL (1) NL1029640C2 (de)

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DE102010012577A1 (de) * 2010-03-23 2011-09-29 Khs Gmbh Verfahren sowie Füllelement zum Füllen von Behältern mit einem flüssigen Füllgut
DE102010033168A1 (de) * 2010-08-03 2012-02-09 Khs Gmbh Füllelement sowie Füllsystem oder Füllmaschine
DE102015103227A1 (de) 2015-03-05 2016-09-08 Krones Ag Vorrichtung zum Befüllen eines Behälters
EP3324749B1 (de) 2015-07-21 2018-10-17 Unilever PLC Füllkopf zur befüllung eines behälters mit eiskonfekt
CN113233403A (zh) * 2021-04-01 2021-08-10 山东海燕医用材料制造有限公司 一种酒精消毒剂灌装设备

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Also Published As

Publication number Publication date
DE602006013535D1 (de) 2010-05-27
EP1698558A2 (de) 2006-09-06
NL1029640C2 (nl) 2006-09-06
EP1698558A3 (de) 2006-10-11
JP2006240745A (ja) 2006-09-14
US20060289078A1 (en) 2006-12-28

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