EP1737758B1 - Procede et systeme de distribution de liquide a elimination de gaz volatil - Google Patents

Procede et systeme de distribution de liquide a elimination de gaz volatil Download PDF

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Publication number
EP1737758B1
EP1737758B1 EP05734931A EP05734931A EP1737758B1 EP 1737758 B1 EP1737758 B1 EP 1737758B1 EP 05734931 A EP05734931 A EP 05734931A EP 05734931 A EP05734931 A EP 05734931A EP 1737758 B1 EP1737758 B1 EP 1737758B1
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EP
European Patent Office
Prior art keywords
gas
liquid
inner container
container
headspace
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EP05734931A
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German (de)
English (en)
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EP1737758A4 (fr
EP1737758A2 (fr
Inventor
Kevin T. O'dougherty
Russell F. Oberg
Joseph P. Menning
Gregory B. Eiden
Donald C. Grant
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Advanced Technology Materials Inc
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Advanced Technology Materials Inc
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
    • B67D7/00—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes
    • B67D7/02—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes for transferring liquids other than fuel or lubricants
    • B67D7/0238—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes for transferring liquids other than fuel or lubricants utilising compressed air or other gas acting directly or indirectly on liquids in storage containers
    • B67D7/0255—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes for transferring liquids other than fuel or lubricants utilising compressed air or other gas acting directly or indirectly on liquids in storage containers squeezing collapsible or flexible storage containers
    • B67D7/0261—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes for transferring liquids other than fuel or lubricants utilising compressed air or other gas acting directly or indirectly on liquids in storage containers squeezing collapsible or flexible storage containers specially adapted for transferring liquids of high purity
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D83/00—Containers or packages with special means for dispensing contents

Definitions

  • the present invention relates to a storage and dispensing system for the storage and dispensing of liquids.
  • the present invention relates to a method and system for dispensing liquid to a manufacturing process from a container including a headspace gas.
  • Certain manufacturing processes require the use of liquid chemicals such as acids, solvents, bases, photoresists, dopants, inorganic solutions, organic solutions, biological solutions, pharmaceuticals, and radioactive chemicals.
  • Storage and dispensing systems allow alternative containers to be used to deliver liquid chemicals to a manufacturing process at a specified time. These process liquids are usually dispensed from pressurized storage and dispensing containers by special dispensing pumps.
  • the containers After filling these containers at a filling facility, the containers are typically shipped to a location for use in a manufacturing process. Once at the manufacturing process facility, these containers may be stored for an extended period of time before being connected to a manufacturing process.
  • the purity of some of the above-listed chemicals has a tendency to decay when stored for an extended period of time.
  • the color filter chemical used tends to decay as free radicals in the color filter chemical are released during shipment and storage as a result of temperature fluctuations.
  • an empty portion of the container referred to as the headspace
  • the headspace gas prevents the decay of the liquid chemical by inhibiting chemical reactions from occurring in the liquid during storage.
  • a headspace gas including oxygen is introduced into the container at the filling facility, since oxygen has a tendency to scavenge free radicals in the chemical as they are released, thereby preventing the decay of the color filter chemical.
  • U.S. Patent No. 3,756,367 discloses a hydraulic brake bleeder including a pressure tank housing containing a resilient bladder having a fill inlet port and an outlet port through the housing.
  • the bleeder is pressurized by supplying compressed air to a space in the housing surrounding the bladder.
  • An automatic pressure relief valve and manual thumbscrew operated valve are connected to the chamber within the pressure tank external to the bladder. No sensors are disclosed.
  • brake fluid contained in the bladder is supplied under pressure to a hydraulic brake system connected to the brake bleeder.
  • the present invention is a method and system for dispensing liquid chemical to a manufacturing process from a container including an outer container and an inner container, a portion of the inner container occupied by the liquid chemical, a remainder of the inner container occupied by a headspace gas.
  • the system includes a probe having a flow passage therein insertable into an interior of the inner container, and a gas passage communicating between the interior of the inner container and an exterior of the outer container.
  • the system further includes means in fluid communication with a space between inner walls of the outer container and the inner container for permitting fluid under pressure to flow into the space between the inner walls of the outer container and the inner container to force the headspace gas out of the inner container via the gas passage to a headspace gas drain and to force liquid out of the inner container through the flow passage in the probe to the manufacturing process.
  • the system further includes a drain valve connected between the headspace gas drain and the gas passage.
  • the drain valve has an open position selectable to allow the headspace gas to evacuate to the headspace gas drain via the gas passage.
  • the drain valve also has a closed position selectable when the headspace gas has been, exhausted from the interior of the inner container.
  • the system according to the invention also includes a liquid sensor connected between the gas passage and the headspace gas drain to sense when liquid chemical begins to flow in the gas passage to indicate that the headspace gas has been exhausted from the interior of the inner container.
  • the system also preferably includes an empty detect means for detecting when the liquid chemical has been exhausted from the inner container.
  • the empty detect means is an empty detect gas sensor. In use, a small amount of empty detect gas is introduced to an interior of the inner container immediately prior to dispensing of the liquid chemical to the manufacturing process. The empty detect gas sensor senses this empty detect gas when the liquid chemical has been exhausted from the container. When the empty detect gas is sensed by the empty detect gas sensor, dispensing of liquid to the manufacturing process is terminated.
  • the empty detect means includes a scale for weighing the fluid container while the liquid is dispensed to the manufacturing process such that dispensing of the liquid is terminated when the fluid container reaches a predetermined empty weight as measured by the scale.
  • FIG. 1 is a schematic of system 10 according to a preferred embodiment of the present invention for dispensing liquid 12 to manufacturing process 13 from container 14 including headspace 16 filled with headspace gas 18.
  • Container 16 includes flexible inner container 20 and rigid outer container 22.
  • System 10 further includes compression air or nitrogen supply 30, compression air passage 32, headspace gas passage 34, drain valve 36, liquid sensor 38, headspace gas drain 40, flow passage 42, container scale 44, and system control 46.
  • Compression air supply 30 is connected to compression space 31 (i.e., the space between inner walls of outer container 22 and outer surfaces of the inner container 20) via compression air passage 32.
  • compression space 31 i.e., the space between inner walls of outer container 22 and outer surfaces of the inner container 20
  • compression air passage 32 The interior of inner container 20 is connected to headspace gas drain 40 via gas passage 34. Drain valve 36 and liquid sensor 38 are connected along gas passage 34 between the interior of inner container 20 and headspace gas drain 40. Finally, the interior of inner container 20 is in fluid communication with manufacturing process 13 via flow passage 42.
  • Gas passage 34 and flow passage 42 are preferably combined in a single connector package such that the interior of inner container 20 comes into fluid communication with headspace gas drain 40 and manufacturing process 13 with one connection.
  • Flow passage 42 is typically provided in a probe that is insertable through a port of the container and into inner container 20 to provide fluid communication between liquid 12 and manufacturing process 13.
  • Outer container 22 provides the mechanical support and protection required by flexible inner container 20 (e.g., a flexible polymeric bag) during filling, transport, handling, and dispensing.
  • Outer container 22 is typically constructed of metal, although other materials, including plastic materials, may also be used, depending upon government regulatory specifications for handling of the particular liquid to be contained within container 14.
  • container 14 is a container as shown in U.S. Pat. No. 5,335,821 to Osgar issued on August 9, 1994 , which is herein incorporated by reference.
  • System control 46 which is preferably a microprocessor-based control system, is connected to compression air supply 30, drain valve 36, liquid sensor 38, and container scale 44. System control 46 controls operation of system 10 based upon signals received from the various components of system 10.
  • container 14 Prior to attachment to manufacturing process 13, container 14 is filled at a filling facility. During filling, inner container 20 is first inflated with a gas such as nitrogen. Liquid 12 is then introduced through a port in container 14 to fill inner container 20 within outer container 22.
  • a gas such as nitrogen
  • the purity of some chemicals has a tendency to decay when stored for an extended period of time, especially when subjected to temperature fluctuations.
  • the color filter chemical used tends to decay or cross-link as free radicals in the color filter chemical are released during shipment and storage.
  • headspace 16 is filled with headspace gas 18.
  • Headspace gas 18 prevents the decay of liquid 12 by inhibiting chemical reactions from occurring in liquid 12 during shipment and storage of container 14.
  • a headspace gas 18 including oxygen is introduced into inner container 20 at the filling facility, since oxygen has a tendency to scavenge free radicals in the chemical as they are released, thereby preventing the decay or cross-linking of the color filter chemical.
  • compression air passage 32, gas passage 34, and flow passage 42 are connected to container 14.
  • a signal is then sent by system control 46, which is preferably a microprocessor-based system, to open drain valve 36. This produces a fluidic connection between the interior of inner container 20 and headspace gas drain 40.
  • pressurized fluid preferably compressed air or nitrogen, is supplied to compression space 31 by compression air supply 30 to force headspace gas 18 through gas passage 34, through liquid sensor 38, and to headspace gas drain 40.
  • any means capable of collapsing inner container 20 to force headspace gas 18 through gas passage 34 may be used, including hydraulic or mechanical based devices.
  • a pump connected to gas passage 34 can withdraw headspace gas 18 from container 14.
  • liquid 12 begins to flow in gas passage 34 as compressed air supply 30 continues to supply air to compression space 31.
  • liquid sensor 38 a signal is sent to system control 46 to close drain valve 36. This terminates the connection between the interior of inner container 20 and headspace gas drain 40.
  • a user of system 10 may visually determine when liquid 12 begins to flow in gas passage 34 and manually turn off drain valve 36 to terminate the connection to headspace gas drain 40.
  • liquid 12 is forced up through flow passage 42 as compressed air continues to be supplied to compression space 31 by compressed air supply 30.
  • compressed air supply 30 As liquid 12 is withdrawn from flexible inner container 20 of container 14, air is permitted to enter compression space 31, thereby collapsing inner container 20.
  • inner container 20 is preferably collapsed with pressurized air, any means capable of collapsing inner container 20 to force liquid through flow passage 42 may be used, including hydraulic or mechanical based devices.
  • a pump or venturi connected to flow passage 42 can withdraw liquid 12 from container 14.
  • headspace gas 18 would begin to dissolve into solution pursuant to Henry's law.
  • Henry's law states that, at a constant temperature, the amount of gas dissolved in a solution is directly proportional to the pressure of the gas above the solution.
  • inner container 20 is collapsed by compressed air supply 30 to force liquid 12 out of inner container 20, the pressure of headspace gas 18 would increase during this process. This would cause headspace gas 18 to dissolve into liquid 12, thereby resulting in deleterious bubble formation when liquid 12 is del ivered to process 13.
  • Container scale 44 continually weighs container 14 as liquid 12 is dispensed to manufacturing process 13 to determine when container 14 reaches a predetermined empty weight.
  • the empty weight of container 14 is the weight of outer container 22 with an empty inner container 20 inside. The determination of the empty weight by container scale 44 assures that all of liquid 12 is dispensed from inner container 20.
  • system control 46 sends a signal to turn off compression air supply 30. Subsequently, compression air passage 32, gas passage 34, and flow passage 42 are disconnected from empty container 14, empty container 14 is removed from system 10, and a new container 14 containing liquid 12 and headspace gas 18 is connected to system 10. Dispensing of liquid 12 from container 14 then recommences.
  • FIG. 2 is a schematic of system 50 according to another preferred embodiment of the present invention for dispensing liquid 12 to manufacturing process 13 from container 14.
  • Container 14 includes headspace gas 18 provided to stabilize liquid 12 during shipment and storage of container 14.
  • Container 16 includes flexible inner container 20 and rigid outer container 22.
  • system 50 includes compression air supply 30, compression air passage 32, headspace gas passage 34, liquid sensor 38, headspace gas drain 40, flow passage 42, and system control 46.
  • system 50 includes empty detect gas supply 52, regulator gauge 54, first block valve 55, gas quantity controller 56, second block valve 58, select valve 60, and empty detect gas sensor 62.
  • Compression air supply 30 is connected to compression space 31 via compression air passage 32.
  • Select valve 60 is a three-port valve connecting the interior of inner container 20 (via gas passage 34) to the devices connected to select valve port 60a or select valve port 60b, depending on the position state of select valve 60. More specifically, in a first position select valve 60 provides a fluidic connection between the interior of inner container 20 and the devices connected to port 60a (i.e., liquid sensor 38 and headspace gas drain 40). Liquid sensor 38 is connected between select valve 60 and headspace gas drain 40.
  • select valve 60 provides a fluidic connection between the interior of inner container 20 and the devices connected to port 60b (i.e., empty detect gas supply 52, regulator gauge 54, first block valve 55, gas quantity controller 56, and second block valve 58).
  • Regulator gauge 54, first block valve 55, gas quantity controller 56, and second block valve 58 are connected between empty detect gas supply 52 and select valve 60.
  • the interior of inner container 20 is in fluid communication with manufacturing process 13 via flow passage 42.
  • Empty detect gas sensor 62 is connected along flow passage 42.
  • Gas passage 34, flow passage 42, and select valve 60 are preferably combined in a single connector package such that the interior of inner container 20 is connected to headspace gas drain 40, empty detect gas supply 52, and manufacturing process 13 with one connection.
  • Flow passage 42 is typically provided in a probe that is insertable through a port of the container and into inner container 20 to provide fluid communication between liquid 12 and manufacturing process 13.
  • system control 46 is connected to compression air supply 30, liquid sensor 38, regulator gauge 54, first block valve 55, second block valve 58, select valve 60, and empty detect gas sensor 62.
  • System control 46 controls operation of system 50 based upon signals received from the various components of system 50.
  • headspace gas 18 is no longer needed or desired. Thus, headspace gas 18 must be removed prior to dispensing liquid 12 to manufacturing process 13.
  • the procedure of removing headspace gas 18 from container 14 in system 50 is similar to the same process in system 10.
  • compression air passage 32, gas passage 34, and flow passage 42 are connected to container 14.
  • System control 46 then sends a signal select valve 60 to turn to its first position to produce a fluidic connection between the interior of inner container 20 and headspace gas drain 40 (via select valve port 60a).
  • select valve port 60a select valve port 60a
  • pressurized fluid preferably compressed air or nitrogen
  • compressed air supply 30 to compression space 31 to force headspace gas 18 through gas passage 34, through liquid sensor 38, and to headspace gas drain 40.
  • pressurized fluid preferably compressed air or nitrogen
  • compressed air supply 30 to compress space 31 to force headspace gas 18 through gas passage 34, through liquid sensor 38, and to headspace gas drain 40.
  • pressurized fluid preferably compressed air or nitrogen
  • gas passage 34 As headspace gas 18 is withdrawn from inner container 20 of container 14, air is permitted to enter compression space 31, thereby collapsing flexible inner container 20.
  • any means capable of collapsing inner container 20 to force headspace gas 18 through gas passage 34 may be used, including hydraulic or mechanical based devices.
  • a pump or venturi connected to gas passage 34 can withdraw headspace gas 18 from container 14.
  • liquid 12 begins to flow in gas passage 34 as compressed air supply 30 continues to supply air to compression space 31.
  • system control 46 responds by turning select valve 60 to the second position. This terminates the connection between the interior of inner container 20 and headspace gas drain 40, and opens the connection between the interior of inner container 20 and select valve port 60b.
  • a user of system 50 may visually determine when liquid 12 begins to flow in gas passage 34 and manually turn select valve 60 to the second position to terminate the connection to headspace gas drain 40.
  • headspace gas 18 would begin to dissolve into solution pursuant to Henry's law. Because inner container 20 is collapsed by compressed air supply 30 to force liquid 12 out of inner container 20, the pressure of headspace gas 18 would increase during this process. This would cause headspace gas 18 to dissolve into liquid 12, thereby resulting in deleterious bubble formation in liquid 12 as it is delivered to process 13.
  • empty detect gas In many liquid dispense systems, it is desirable to leave a small amount of gas in container 14 after removal of headspace gas 18. When all of liquid 12 has been dispensed from container 14, this small amount of gas, referred to as empty detect gas, is detected by a sensor (for example, empty detect gas sensor 62 in FIG. 2 ) to indicate that the container is empty. In conventional systems, the amount of empty detect gas remaining in container 14 is not easily controllable, since the amount of gas being exhausted to headspace gas drain 40 is not easily measurable.
  • empty detect gas supply 52 In system 50, the addition of empty detect gas into inner container 20 is controlled by empty detect gas supply 52, regulator gauge 54, first block valve 55, gas quantity controller 56, and second block valve 58.
  • system control 46 opens first block valve 55 to produce a fluidic connection between empty detect gas supply 52 and gas quantity controller 56.
  • Empty detect gas then begins to flow into gas quantity controller 56 from empty detect gas supply 52.
  • the pressure is regulated by regulator gauge 54 and may be measured by a pressure transducer integrated into gas quantity controller 56.
  • the amount of empty detect gas that flows into gas quantity controller 56 depends on the capacity volume of gas quantity controller 56 and the pressure of the empty detect gas in gas quantity controller 56. Based on these factors, empty detect gas supply 52 continues to flow until gas quantity controller 56 is filled with the desired amount of gas (e.g., 100 pounds per square inch gauge).
  • system control 46 closes first block valve 55 to terminate the connection between empty detect gas supply 52 and gas quantity controller 56. Subsequently or simultaneously, system control 46 opens second block valve 58 to produce a fluidic connection between gas quantity controller 56 and the interior of inner container 20. This allows the empty detect gas contained in gas quantity controller 56 to flow into the interior of inner container 20. If compression air supply 30 is turned off while empty detect gas flows from gas quantity controller 56 into inner container 20, the empty detect gas contained in gas quantity controller 56 will flow into inner container 20. If compression air supply 30 remains active while empty detect gas flows from gas quantity controller 56 into inner container 20, empty detect gas will flow from gas quantity controller 56 into inner container 20 until an equilibrium pressure is reached between compression air supply 30 and the pressure in gas quantity controller 56.
  • compression air supply 30 is active is controlled by a two-way or a three-way valve connected between compression air supply 30 and compression space 31.
  • the amount of empty detect gas that flows from gas quantity controller 56 into inner container 20 is based on the size of gas quantity controller 56, the difference in pressure between gas quantity controller 56, and the pressure in compression space 31.
  • system control 46 closes second block valve 58 to terminate the connection from gas quantity controller 56 to inner container 20.
  • second block valve 58 is closed, liquid 12 is forced up through flow passage 42 as compressed air is supplied to compression space 31 by compressed air supply 30.
  • compressed air supply 30 As liquid 12 is withdrawn from flexible inner container 20 of container 14, air is permitted to enter compression space 31, thereby collapsing inner container 20.
  • inner container 20 is preferably collapsed with pressurized air, any means capable of collapsing inner container 20 to force liquid through flow passage 42 may be used, including hydraulic or mechanical based devices.
  • a pump or venturi connected to flow passage 42 can withdraw liquid 12 from container 14.
  • the purity of some chemicals has a tendency to decay or cross-link when stored for an extended period of time, especially when subjected to temperature fluctuations.
  • an empty portion of the container referred to as the headspace
  • the headspace gas prevents the decay of the liquid chemical by inhibiting chemical reactions from occurring in the liquid during storage.
  • the container is to be connected to a manufacturing process, the headspace gas is no longer needed or desired.
  • Conventional dispensing systems do not allow for the easy removal of the headspace gas prior to dispensing the liquid chemical.
  • the present invention is a method and system for dispensing liquid chemical to a manufacturing process from a container including an outer container, an inner container, and a port which communicates with an interior of the inner container, a portion of the inner container occupied by the liquid chemical, a remainder of the inner container occupied by a headspace gas for preventing decay of the liquid chemical until the container is connected to a manufacturing process.
  • the system includes a probe having a flow passage therein and a gas passage communicating between the interior of the inner container and an exterior of the outer container.
  • the system further includes means in fluid communication with a compression space between inner walls of the outer container and the inner container for permitting fluid under pressure to flow into the space between the inner walls of the outer container and the inner container to force the headspace gas out of the inner container via the gas passage to a headspace gas drain and to force liquid out of the inner container through the flow passage in the probe to the manufacturing process.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Sampling And Sample Adjustment (AREA)
  • Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
  • Loading And Unloading Of Fuel Tanks Or Ships (AREA)
  • Packages (AREA)

Claims (19)

  1. Procédé de distribution d'un liquide à partir d'un contenant interne rétractile (20) disposé à l'intérieur d'un contenant externe (22), le contenant interne (20) contenant initialement du liquide (12) et un gaz d'espace libre (18), le procédé comprenant les opérations consistant à :
    évacuer le gaz d'espace libre (18) du contenant interne (20) par l'intermédiaire d'un passage à gaz (34) en communication avec un orifice de sortie du gaz d'espace libre (40) ;
    utiliser un capteur de liquide (38) pour détecter le moment auquel le liquide (12) commence à couler dans le passage à gaz (34), grâce à la détection de la présence de liquide (12) dans le passage à gaz (34) ; et
    fournir une pression à un espace de compression (31) entre le contenant interne (20) et le contenant externe (22) afin de distribuer le liquide (12) à partir du contenant interne (20) vers un processus de fabrication (13).
  2. Procédé selon la revendication 1, la fourniture de pression à l'espace de compression (31) comprenant la fourniture de fluide sous pression à partir d'une source de fluide pressurisé (30) vers l'espace de compression (31) entre le contenant interne (20) et le contenant externe (22).
  3. Procédé selon l'une quelconque des revendications 1 ou 2, le contenant interne (20) et le contenant externe (22) concrétisant un contenant de fluide (16), et avant l'évacuation du gaz d'espace libre (18), le procédé comprenant en outre l'opération consistant à : attacher un raccord au contenant de fluide (16), le raccord incluant une sonde laquelle incorpore un passage d'écoulement de liquide (42) pour assurer la distribution de liquide (12) à partir du contenant interne (20), le raccord incluant en outre le passage à gaz (34).
  4. Procédé selon l'une quelconque des revendications 1 à 3, l'évacuation du gaz d'espace libre comprenant l'opération consistant à ouvrir une soupape de sortie (36) raccordée entre le passage à gaz (34) et l'orifice de sortie du gaz d'espace libre (40) pour permettre au gaz d'espace libre (18) de passer à l'orifice de sortie du gaz d'espace libre (40) par l'intermédiaire du passage à gaz (34) ; et l'opération consistant à fermer la soupape de sortie (36) en réaction à la détection, par le capteur de liquide (38), du moment auquel le liquide (12) commence à couler dans le passage à gaz (34).
  5. Procédé selon la revendication 4, avant la fermeture de la soupape de sortie (36), le procédé comprenant en outre la fourniture de fluide sous pression à un espace de compression (31) entre le contenant interne (20) et le contenant externe (22) afin d'évacuer le gaz d'espace libre (18) à partir du contenant interne (20) par l'intermédiaire du passage à gaz (34) et de l'orifice de sortie du gaz d'espace libre (40).
  6. Procédé selon la revendication 1, la distribution de liquide (12) à partir du contenant interne (20) comprenant en outre l'utilisation d'une pompe ou d'un venturi afin d'extraire le liquide (12) à partir du contenant interne (20).
  7. Procédé selon la revendication 1, avant de distribuer du liquide (12) à partir du contenant interne (20), le procédé comprenant en outre l'introduction d'une certaine quantité de gaz de détection Vide dans le contenant interne (20).
  8. Procédé selon la revendication 7, l'introduction d'une certaine quantité de gaz de détection Vide dans le contenant interne (20) comprenant les opérations consistant à :
    raccorder une première soupape de sectionnement (55), un contrôleur de quantité de gaz (56) et une seconde soupape de sectionnement (58) entre une alimentation de gaz de détection Vide (52) et le passage à gaz (34) ; ouvrir la première soupape de sectionnement (55) pour permettre au gaz de détection Vide de s'écouler depuis l'alimentation de gaz de détection Vide (52) jusque dans le contrôleur de quantité de gaz (56) ; fermer la première soupape de sectionnement (55) lorsqu'une quantité mesurée de gaz de détection Vide a rempli le contrôleur de quantité de gaz (56) ; et ouvrir la seconde soupape de sectionnement (58) pour permettre au gaz de détection Vide de s'écouler depuis le contrôleur de quantité de gaz (56) jusque dans le volume intérieur du contenant interne (20) par l'intermédiaire du passage à gaz (34).
  9. Procédé selon la revendication 8, la fermeture de la première soupape de sectionnement (55), lorsqu'une quantité mesurée de gaz de détection Vide a rempli le contrôleur de quantité de gaz (56) comprenant les opérations consistant à : brancher un régulateur de pression (54) entre l'alimentation de gaz de détection Vide (52) et le contrôleur de quantité de gaz (56) afin de réguler la pression dans le contrôleur de quantité de gaz (56) au fur et à mesure que le gaz de détection Vide est introduit dans le contrôleur de quantité de gaz (56) ; et fermer la première soupape de sectionnement (55), lorsque la quantité mesurée de gaz de détection Vide a été introduite dans le contrôleur de quantité de gaz (56) sur la base de la pression présente dans le contrôleur de quantité de gaz (56).
  10. Procédé selon la revendication 7, comprenant en outre les opérations consistant à : capter le gaz de détection Vide lorsque le liquide (12) a été épuisé du contenant interne (20) ; et terminer la distribution de liquide (12) vers le processus de fabrication (13) lorsque le gaz de détection Vide est capté.
  11. Procédé selon la revendication 1, le contenant interne (20) et le contenant externe (22) concrétisant un contenant de fluide (16), le procédé comprenant en outre les opérations consistant à : peser le contenant de fluide (16) lorsque le liquide (12) est distribué au processus de fabrication (13) ; et terminer la distribution de liquide (12) au processus de fabrication (13) lorsque le contenant de fluide (16) atteint un poids à vide.
  12. Système destiné à la distribution de liquide à un processus de fabrication (13) à partir d'un contenant de fluide (16) incluant un contenant externe (22) et un contenant interne rétractile (20), le contenant interne (20) contenant initialement le liquide (12) et un gaz d'espace libre (18), le système comprenant :
    un raccord incluant une sonde, insérable dans le contenant interne (20), la sonde incorporant un passage d'écoulement de liquide (42),
    un passage à gaz (34) s'étendant à travers le raccord et agencé pour permettre une communication fluidique entre le volume intérieur du contenant interne (20) et un orifice de sortie du gaz d'espace libre (40) ; et
    un capteur de liquide (38) agencé pour détecter le moment auquel le liquide (12) commence à couler dans le passage à gaz (34), grâce à la détection de la présence de liquide (12) dans le passage à gaz (34), pour indiquer que le gaz d'espace libre (18) a été épuisé du contenant interne (20) ;
    le raccord étant agencé en vue d'un branchement à une source de fluide pressurisé (30) en communication fluidique avec l'espace de compression (31) entre le contenant interne (20) et le contenant externe (22) pour forcer le gaz d'espace libre (18) à sortir du contenant interne (20) par l'intermédiaire du passage à gaz (34) jusqu'à l'orifice de sortie du gaz d'espace libre (40) et pour forcer le liquide (12) à sortir du contenant interne (20) par l'intermédiaire du passage d'écoulement de liquide (42) monté dans la sonde jusqu'au processus de fabrication (13).
  13. Système selon la revendication 12, comprenant en outre : une soupape de sortie (36) raccordée entre l'orifice de sortie du gaz d'espace libre (40) et le passage à gaz (34), la soupape de sortie (36) possédant une position ouverte sélectionnable pour permettre au gaz d'espace libre (18) de passer à l'orifice de sortie du gaz d'espace libre (40) par l'intermédiaire du passage à gaz (34), et une position fermée sélectionnable laquelle réagit à la détection, par le capteur de liquide (38), du moment auquel le liquide (12) commence à couler dans le passage à gaz (34), à titre d'indication que le gaz d'espace libre (18) a été épuisé du volume intérieur du contenant interne (20).
  14. Système selon la revendication 12, comprenant en outre : des moyens de détection Vide pour détecter le moment auquel le liquide (12) a été épuisé du contenant interne (20).
  15. Système selon la revendication 14, les moyens de détection Vide comprenant un capteur de détection de gaz Vide (62) agencé pour capter un gaz de détection Vide introduit dans un volume intérieur du contenant interne (20) immédiatement avant la distribution du liquide (12) au processus de fabrication (13).
  16. Système selon la revendication 15, comprenant en outre : un contrôleur de quantité de gaz (56) ; une première soupape de sectionnement (55) raccordée entre une alimentation de gaz de détection Vide (52) et le contrôleur de quantité de gaz (56), la première soupape de sectionnement (55) possédant une position ouverte sélectionnable pour permettre au gaz de détection Vide de s'écouler depuis l'alimentation de gaz de détection Vide (52) jusque dans le contrôleur de quantité de gaz (56), et une position fermée sélectionnable lorsqu'une quantité mesurée de gaz de détection Vide a été introduite dans le contrôleur de quantité de gaz (56) ; et une seconde soupape de sectionnement (58) raccordée entre le contrôleur de quantité de gaz (56) et un volume intérieur du contenant interne (20), la seconde soupape de sectionnement (58) possédant une position ouverte sélectionnable pour permettre au gaz de détection Vide de s'écouler depuis le contrôleur de quantité de gaz (56) jusque dans le volume intérieur du contenant interne (20), et une position fermée sélectionnable lorsque le gaz de détection Vide a été épuisé du contrôleur de quantité de gaz (56).
  17. Système selon la revendication 16, comprenant en outre : un régulateur de pression (54) raccordé entre l'alimentation de gaz de détection Vide (52) et le contrôleur de quantité de gaz (56) afin de réguler la pression dans le contrôleur de quantité de gaz (56) au fur et à mesure que le gaz de détection Vide est introduit dans le contrôleur de quantité de gaz (56), de sorte que la première soupape de sectionnement (55) est fermée lorsque la quantité mesurée de gaz de détection Vide a été introduite dans le contrôleur de quantité de gaz (56) sur la base de la pression présente dans le contrôleur de quantité de gaz (56).
  18. Système selon la revendication 16, comprenant en outre : une soupape de sélection (60) avec des ports (60a, 60b) raccordée à l'un au moins des postes suivants, à savoir la première et la seconde soupapes de sectionnement (55, 58), l'orifice de sortie du gaz d'espace libre (40), et le volume intérieur du contenant interne (20), la soupape de sélection (60) permettant un branchement fluidique sélectionnable à l'un au moins des postes suivants, à savoir la première et la seconde soupapes de sectionnement (55, 58), et l'orifice de sortie du gaz d'espace libre (40) au volume intérieur du contenant interne (20).
  19. Système selon la revendication 14, les moyens de détection Vide englobant une balance (44) pour peser le contenant de fluide (16) pendant que le liquide (12) est distribué au processus de fabrication (13) de sorte que la distribution de liquide (12) est terminée lorsque le contenant de fluide (16) atteint un poids prédéterminé tel qu'il est mesuré par la balance (44).
EP05734931A 2004-04-13 2005-04-13 Procede et systeme de distribution de liquide a elimination de gaz volatil Active EP1737758B1 (fr)

Applications Claiming Priority (2)

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US10/823,127 US20050224523A1 (en) 2004-04-13 2004-04-13 Liquid dispensing method and system with headspace gas removal
PCT/US2005/012593 WO2005100203A2 (fr) 2004-04-13 2005-04-13 Procede et systeme de distribution de liquide a elimination de gaz volatil

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TWI356141B (en) 2012-01-11
JP2011157136A (ja) 2011-08-18
US20050224523A1 (en) 2005-10-13
JP2007532433A (ja) 2007-11-15
TW200533858A (en) 2005-10-16
ATE546409T1 (de) 2012-03-15
KR20060135943A (ko) 2006-12-29
WO2005100203A2 (fr) 2005-10-27
EP1737758A4 (fr) 2010-11-10
EP1737758A2 (fr) 2007-01-03
CN101010241A (zh) 2007-08-01
MY147252A (en) 2012-11-14
JP5186583B2 (ja) 2013-04-17
KR101174928B1 (ko) 2012-08-17
WO2005100203A3 (fr) 2007-03-22

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