WO2011104523A1 - Systèmes de distribution d'eau - Google Patents

Systèmes de distribution d'eau Download PDF

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Publication number
WO2011104523A1
WO2011104523A1 PCT/GB2011/050195 GB2011050195W WO2011104523A1 WO 2011104523 A1 WO2011104523 A1 WO 2011104523A1 GB 2011050195 W GB2011050195 W GB 2011050195W WO 2011104523 A1 WO2011104523 A1 WO 2011104523A1
Authority
WO
WIPO (PCT)
Prior art keywords
water
reservoir
supply system
water supply
removable connector
Prior art date
Application number
PCT/GB2011/050195
Other languages
English (en)
Inventor
David Cupit
Original Assignee
Ecostream Technologies Limited
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 Ecostream Technologies Limited filed Critical Ecostream Technologies Limited
Publication of WO2011104523A1 publication Critical patent/WO2011104523A1/fr

Links

Classifications

    • 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
    • B67D3/00—Apparatus or devices for controlling flow of liquids under gravity from storage containers for dispensing purposes
    • B67D3/0029—Apparatus or devices for controlling flow of liquids under gravity from storage containers for dispensing purposes provided with holders for bottles or similar containers
    • B67D3/0035—Apparatus or devices for controlling flow of liquids under gravity from storage containers for dispensing purposes provided with holders for bottles or similar containers the bottle or container being held upside down and not provided with a closure, e.g. a bottle screwed onto a base of a dispenser
    • 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
    • B67D3/00—Apparatus or devices for controlling flow of liquids under gravity from storage containers for dispensing purposes
    • B67D3/0009—Apparatus or devices for controlling flow of liquids under gravity from storage containers for dispensing purposes provided with cooling arrangements
    • 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
    • B67D3/00—Apparatus or devices for controlling flow of liquids under gravity from storage containers for dispensing purposes
    • B67D3/0029—Apparatus or devices for controlling flow of liquids under gravity from storage containers for dispensing purposes provided with holders for bottles or similar containers
    • B67D3/0032—Apparatus or devices for controlling flow of liquids under gravity from storage containers for dispensing purposes provided with holders for bottles or similar containers the bottle or container being held upside down and provided with a closure, e.g. a cap, adapted to cooperate with a feed tube
    • 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
    • B67D3/00—Apparatus or devices for controlling flow of liquids under gravity from storage containers for dispensing purposes
    • B67D3/0038—Apparatus or devices for controlling flow of liquids under gravity from storage containers for dispensing purposes the liquid being stored in an intermediate container prior to dispensing
    • 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
    • B67D3/00—Apparatus or devices for controlling flow of liquids under gravity from storage containers for dispensing purposes

Definitions

  • This invention relates to water supply systems, and in particular, but without limitation to water supply systems for water dispensers.
  • Water dispensers generally comprise a water supply, which can either be a mains water supply or a water tank, and one or more outlets, such as taps for dispensing the water.
  • a water supply which can either be a mains water supply or a water tank
  • outlets such as taps for dispensing the water.
  • many water dispensers are provided with a pair of outlet taps, one for dispensing room-temperature water and the other for dispensing chilled water.
  • Chilling of the water in water dispensers is conventionally achieved using a mains powered electric refrigerator whose elements are wrapped around a small reservoir that is filled using water from the water supply.
  • the use of a relatively small reservoir reduces the amount of water that needs to be chilled and maintained at a reduced temperature at any particular time, whilst still containing a sufficient volume of readily available chilled water in case more than one user desires to drink chilled water at about the same time.
  • Tank-fed water dispensers are generally those that comprise a support column that is used to support a relatively large, removable bottle of potable water off the ground.
  • the neck of the water bottle normally comprises an automatic shut-off valve that can be opened by orienting the bottle neck-down and by locating the neck of the bottle on a pin that pushes open the shut-off valve. Water then flows from the bottie, through a conduit in the pin to a manifold whereupon water from the bottle is directed either directly to a tap that enables room temperature water to be dispensed, or into a small reservoir to be chilled prior to being dispensed via a second outlet tap.
  • the water bottle is generally changed when it runs out, or every few days or weeks if it is used infrequently. This maintains the bottle within desirable cleanliness limits since bio fiim and other contaminants are usually unable to build up to harmful levels within such relatively short time scales.
  • a maintenance regime needs to be established to ensure that the water pipes, taps and the chiller unit are regularly cleaned to prevent contaminant build-up and biological hazards.
  • a maintenance regime can be relatively easily established by making the water supply system, including the means for engaging the bottle, the majority of the pipe work and the chiller reservoir either disposable or removable for cleaning.
  • a typical disposable water system for a water dispenser may comprise an ABS collar for engaging the neck of the water supply bottle and silicone or LDPE pipe work for connecting the collar to a pair of taps with, say, a one-litre HDPE bottle serving as a disposable chiller reservoir located midway along one of the silicone pipes.
  • the overall volume of such a water supply system is relatively large, owing to the inherent volume of the reservoir, which can increase handling and shipping costs.
  • the overall complexity of the system requires a trained installer to fit the system correctly into the water dispenser, and the fact that it comprises so many different components and materials, makes disposal and recycling relatively difficult.
  • a water delivery system for a water dispenser comprising a housing having a through hole for receiving the neck of a water bottle, the water delivery system comprising a removable connector and a reservoir, the removable connector comprising: a body receivable in and being adapted to extend through the water bottle receiving aperture of the water dispenser's housing; an inlet spigot for sealingly connecting to the interior of the water bottle; and an outlet spigot communicating with the inlet spigot and projecting from the body of the connector; the reservoir comprising a hollow body and an inlet aperture communicating with the interior of the hollow body, wherein the reservoir is removably receivable within the housing and its inlet aperture is aligned with the outlet spigot of the removable connector to sealingly connect thereto when the removable connector is inserted into the through hole of the housing.
  • the inlet aperture of the reservoir is preferably sealingly closeable, most preferably using a frangible closure means.
  • the frangible closure means may comprise a polymer film that can be pierced by an end of the removable connector's outlet spigot.
  • the outlet spigot of the removable connector may comprises a pointed end, which end may be adapted for piercing a frangible closure means of the reservoir and/or which may function as a centraliser to guide the end of the spigot into the inlet aperture of the reservoir.
  • the removable connector may comprise an annular collar or tube adapted to engage around the neck of a bottle, which is preferably shaped to compliment the exterior shape of the neck of the bottle.
  • the annular collar where provided, may comprise a flared portion for engaging an upper surface of the water dispenser's housing.
  • the inlet spigot may comprise a tube centrally located within the collar, annulus or tube, the upper portion of which may be adapted to actuate a shut-off valve of the water bottle.
  • the reservoir is preferably at least partially manufactured from a flexible film material.
  • a flexible film material By at least partially manufacturing the second receptacle from a flexible film, it can be collapsible so as to take up a smaller volume during transportation and installation.
  • the overall shape of the second receptacle when filled with a fluid, such as water, can conform to the shape and/or contours of a container in which it is placed.
  • the second receptacle In the case where the second receptacle is received within and/or in contact with the coils/elements of a refrigeration system, the fact that it can conform to the shape of the coils/elements enables it to have a greatly increased surface area in contact therewith (compared to a relatively rigid receptacle), which can facilitate cooling of the fluid/water therein.
  • the flexible film is preferably a food-grade polymer film and is preferably metallised on one or both sides thereof, which can provide an optical barrier to inhibit bio film growth within the second receptacle, and provide an improved thermal conduction pathway for heat to be transferred from the fluid/water therein to the cooling elements/coils.
  • the removable connector may further comprise an outlet manifold.
  • the outlet manifold may comprise a flow control valve and/or an air return valve to control the egress of water from the water bottle and to permit a controlled contra-flow of air to balance the air pressure within the water bottle.
  • the air return valve may comprise a diaphragm interposed between a pressure-balancing chamber and an intermediate chamber of the manifold and an air inlet that communicates with the pressure-balancing chamber, the diaphragm being movable in response to a difference in water pressure within the chambers to permit air from the air inlet to flow into the water bottle as the diaphragm moves.
  • the outer dimensions of the outlet manifold are preferably smaller than those of the through aperture of the water dispenser's housing to enable it to be axially insertabie and receivable therethrough.
  • the outlet manifold may comprise a pair of outlet spigots, a first one of which communicates with the interior of the reservoir, and a second of which is connectable to a first tap.
  • the reservoir may comprise an outlet spigot connectable to a second tap.
  • the reservoir preferably comprises a relatively rigid end wall portion to which is sealingly bonded a flexible, polymer film bag.
  • the end wall portion may comprise a hollow projection in which is formed the inlet aperture of the receptacle.
  • a sealing means may be provided on the inlet aperture to enable a sealing connection to be made with the outlet spigot of the removable connector.
  • a removable connector for a water supply system comprising: a body receivable in and being adapted to extend through a water bottle receiving aperture of a water dispenser's housing; an inlet spigot for sealingiy connecting to interior of the water bottle; and an outlet spigot communicating with the inlet spigot and projecting from the body of the connector.
  • a third aspect of the invention provides a reservoir for a water supply system comprising a relatively rigid end wall portion, an inlet aperture in the end wall portion and a flexible film portion sealingiy affixed around a periphery of the end wall portion.
  • a fourth aspect of the invention provides a water dispenser comprising a water delivery system and/or a removable connector and/or a reservoir as described above.
  • a fifth aspect of the invention provides a water supply system for a water dispenser comprising means for sealingiy communicating with the interior of a water bottle, a reservoir for storing a volume of water and an outlet conduit communicating with the interior of the reservoir, wherein the reservoir comprises an inlet aperture and wherein the means for sealingiy communicating with the interior of the water bottle comprises an outlet spigot that is sealingiy engageable with the inlet aperture of the reservoir to form a direct connection between the water bottle and reservoir.
  • a water supply system for a water dispenser comprising an annular collar for engaging the neck of a water bottle, a reservoir and means for providing a direct connection between the interior of the water bottle and the interior of the reservoir, wherein the annular collar is axially receivable to a predefined extent within a through aperture of a housing of a water dispenser and the means for providing a direct connection between the interior of the water bottle and the interior of the reservoir is removably and sealingly connectable to one or both of the water bottle and the reservoir.
  • the water bottle By providing a direct connection between the interior of the water bottle and the interior of reservoir that is removably and sealingly connectable to one or both of the water bottle and the reservoir, the water bottle can be positioned within the interior of the housing of the water dispenser and the annular collar inserted into the through hole of the housing from the exterior thereof, and by doing so, a sealed, direction connection between the water bottle and the reservoir can be formed.
  • the annular collar may comprises a flared, or frustoconical portion that engages an upper surface of the water dispenser's housing to prevent the collar from being inserted into the housing beyond the predefined extent.
  • a water supply system for a water dispenser comprising means for sealingly communicating with the interior of a water bottle, a reservoir for storing a volume of water, an outlet conduit communicating with the interior of the reservoir, and a direct connection between the water bottle and reservoir, wherein the reservoir is at least partially manufactured from a flexible film.
  • Figure 1 is a perspective view of an upper portion of a water dispenser comprising a water supply system in accordance with the invention
  • Figure 2 is an exploded view of the water supply system of Figure 1 ;
  • Figure 3 is a side view of the water supply system of Figure 1 ;
  • Figure 4 is a perspective view from above of the collar of the water supply system
  • Figure 5 is a partial cross-sectional view through the collar and manifold of the water supply system.
  • Figure 6 is a perspective view of the water supply system in assembled form.
  • a portion of a water dispenser comprising a housing having an upper support surface 10 for supporting the weight of a water bottle 12.
  • a water supply system 13 is provided beneath the bottle 14 to deliver water from the bottle 4 directly into a reservoir 6, which is surrounded by a refrigeration unit (not shown).
  • the reservoir 16 has a reservoir outlet spigot 18 for connection to an outlet tap (not shown) of the water dispenser. Water can thus flow from the bottle 14, into the reservoir 16 for refrigeration, and out to a tap for consumption by users.
  • the support surface 10 of the water dispenser comprises a generally circular through hole 20 having a radiused lip, which receives a collar 22 having a flared upper portion 24 whose outer diameter is greater than the diameter of the through hole 20, and a generally cylindrical lower portion 26.
  • the flared portion 24 rests on top of the support surface 10, whilst the generally cylindrical portion 26 protrudes downwardly through the through hole 20 and into the main body of the water dispenser.
  • the exterior of the flared portion 24 has a complimentary shape to that of the radiused lip of the through hole 20 so that the two align coaxially and nest together.
  • an upright spigot 28 is located centrally within the cylindrical portion 26 of the collar 22 and extends upwardly into the neck portion 30 of the water bottle 14.
  • the neck portion 30 comprises an annular rubber seal 32 that seals against either the outer surface of the spigot 28 or a captive ball (not shown).
  • the captive ball is pushed out of sealing engagement with the annular seal 32 when the spigot 28 is inserted therein so that once the upright spigot 28 has been sealingly inserted into the annular seal 32, the ball 34 floats to the surface of the water within the bottle 4 permitting water to flow from the interior of the bottle 14 and out through the upright spigot 28.
  • the upright spigot 28 comprises an internal conduit 34 that communicates with a manifold assembly 36 that has two outlet spigots 38, 40.
  • a first outlet spigot 38 is connected via a flexible plastics or rubber tube to a tap (not shown), and the second, elongate outlet spigot 40 extends downwardly from the manifold assembly 36 and into an inlet aperture 42 of the reservoir 16 to provide a direct connection between the water bottle 14 and the reservoir 16.
  • the inlet aperture 42 of the reservoir 16 is sealingly closed-off by a frangible plastics film 44.
  • the lower end 45 of the elongate outlet spigot 40 pierces the frangible plastics film 44 as the collar 22 is inserted through the through hole of the 20 of the support surface 10 and pushed home.
  • Such a configuration enables the reservoir 16 to be sealingly closed-off prior to use, which can reduce the likelihood of contamination during transportation and storage.
  • the elongate outlet spigot 40 provides a direct (i.e. a hose-less) connection between the water bottle 4 and the reservoir 16, there are no pipes to connect, which can significantly reduce installation times and reduce the need for trained operators.
  • manifold assembly 36 has a generally cylindrical form and has an outer diameter that is substantially the same as that of the cylindrical portion 26 of the collar.
  • the manifold assembly 36 is able to pass through the through hole 20 of the housing 10 as the collar 22 is inserted therethrough.
  • the housing 10 By providing such a configuration, it is not necessary for the housing 10 to comprise an attachment, locating grooves or other engagement means for retaining the collar 22 or manifold in situ, as is the case for known water supply systems for water dispensers.
  • a water supply system 13 according to the invention can nevertheless by used since the present water supply system 13 merely locates through the through hole of the housing 10 from above, and does not require, or interfere with, any engagement means that may be located below the upper surface of the housing 10.
  • the outlet manifold 36 comprises an intermediate chamber 50 that communicates with the conduit 34 of the upright spigot 28 and which stores a small quantity of water therein.
  • the outlet spigots 34, 36 communicate with this small volume of water, which is topped up automatically as users consume water from the taps or reservoir.
  • the manifold 36 additionally comprises a pressure-balancing chamber 52, which comprises a diaphragm valve 54. Water pressure acting downwardly on the diaphragm 54 from the water bottle presses against it to form a seal with a peripheral lip 56 of the pressure-balancing chamber 52. However, when water is consumed from the bottle 12, a slight decrease in pressure is created therein, which reduces the downward pressure on the diaphragm 54.
  • the water pressure in the intermediate chamber 50 is thus slightly greater than that in the pressure- balancing chamber 52, which causes the diaphragm 54 therebetween to lift slightly thereby breaking the seal.
  • An air inlet 58 communicates with the pressure-balancing chamber 54 and as the diaphragm 54 lifts, a bubble of air is introduced into the chamber 52, which moves past the diaphragm 54 and into the bottle via an air contra-flow conduit 60 and the upright spigot 34 to balance the air pressure in the bottle 12.
  • the pressure-balancing chamber 52 therefore prevents a drop in pressure (vacuum) within the bottle from reaching a level whereby it might prevent water from being able to flow out of it.
  • the manifold assembly 36 comprises a number of injection moulded plastics components that are clipped together during assembly to form a unit, which is then clipped to the bottom of the cylindrical portion 26 of the collar 22.
  • the refrigeration reservoir 16 is manufactured from a plastics end wall portion 62 to which is bonded a food- grade, metallised, polymer film bag 64.
  • the end wall 62 comprises a generally planar surface 66 that defines the end wall of the reservoir 16, and a peripheral lip 66 to which the open end of the bag 64 is sealingly welded and/or bonded using a bead of hot melt (thermoplastic) glue.
  • a first hoilow projection 70 that comprises the reservoir inlet aperture 42.
  • a reservoir outlet spigot 18 is also provided on the end wail 62, which has a conduit that communicates with the interior of the reservoir 16.
  • a boss/nipple may also be provided that the end of a flexible tube (not shown) can sealingly connect to.
  • a flexible outlet pipe can be connected to the outlet spigot 18 and to the nipple to seal off the reservoir. However, shortly before use, the end of the pipe connected to the nipple can be detached and affixed to the tap of the water dispenser.
  • the reservoir 16 is designed to be foldable so as to occupy the minimum possible volume during transportation, and to enable it to be easily inserted into the refrigeration system of the water dispenser.
  • the water pressure within the reservoir 16 causes it to inflate, and to make intimate contact with the elements of the refrigeration unit of the water dispenser.
  • a much more efficient thermal conduction pathway is created between the water within the reservoir and the refrigeration elements.
  • the invention is not restricted to the details of the foregoing embodiments, for example, the shape, dimensions and materials of manufacture may be changed depending on the size and/or design of the water dispenser that the water supply system 13 is designed to be used in conjunction with.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Devices For Dispensing Beverages (AREA)

Abstract

L'invention concerne un système de distribution d'eau pour une fontaine du type comportant un logement avec un trou traversant pour recevoir le goulot (30) d'une bouteille d'eau (14). Le système de distribution comporte un connecteur amovible (22) et un réservoir (16), le connecteur amovible est composé d'un corps (26) qui doit être placé dans le trou traversant du logement du distributeur, d'un embout d'entrée (28) qui est conçu pour communiquer et réaliser l'étanchéité avec la bouteille d'eau, et d'un embout de sortie (38) qui communique avec l'embout d'entrée et qui dépasse du corps du connecteur. Le réservoir comprend un corps creux contenant une ouverture d'entrée qui communique avec le corps creux. Le réservoir peut être placé de façon amovible dans le logement et son ouverture d'entrée est alignée avec l'embout de sortie du connecteur amovible afin de former une connexion étanche lorsque le connecteur amovible est inséré dans le trou traversant du logement.
PCT/GB2011/050195 2010-02-26 2011-02-04 Systèmes de distribution d'eau WO2011104523A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB1003292.8 2010-02-26
GB201003292A GB2478158B (en) 2010-02-26 2010-02-26 Water supply systems

Publications (1)

Publication Number Publication Date
WO2011104523A1 true WO2011104523A1 (fr) 2011-09-01

Family

ID=42125705

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB2011/050195 WO2011104523A1 (fr) 2010-02-26 2011-02-04 Systèmes de distribution d'eau

Country Status (2)

Country Link
GB (1) GB2478158B (fr)
WO (1) WO2011104523A1 (fr)

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5526961A (en) * 1994-02-28 1996-06-18 Ebtech, Inc. Sealed actuator probe assembly for a bottled water station
US5567322A (en) * 1995-09-13 1996-10-22 Rundle; Christopher Water cooler filtration device
WO1999000320A1 (fr) * 1997-06-27 1999-01-07 Haydon Pacific Limited Distributeur de boisson
GB2383321A (en) * 2001-12-21 2003-06-25 Ebac Ltd Feed tube for use in a potable liquid delivery system
DE20310783U1 (de) * 2003-07-08 2003-12-04 Chang, Kuei Tang, Banchiau Wasserspender für Wasser aus Flaschen
US20040178229A1 (en) * 2003-03-13 2004-09-16 Dennis Rivard Automatic valve assembly for a water cooler reservoir
WO2004110920A2 (fr) * 2003-06-17 2004-12-23 Maurizio Fiori Distributeur de liquide remplissable
GB2417025A (en) * 2004-08-14 2006-02-15 Ebac Ltd Flow assembly for a bottled liquid dispenser
US20080041493A1 (en) * 2006-08-21 2008-02-21 Lin C S Water cooler separator body and assembly

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5533651A (en) * 1994-12-12 1996-07-09 Eddy; John W. Universal adapter for liquid dispensers
US5647416A (en) * 1996-03-15 1997-07-15 Les Produits Addico Inc. Bottled water dispenser system
US20040065684A1 (en) * 2002-10-07 2004-04-08 Cooke John C. Water dispenser
US20050028550A1 (en) * 2003-08-06 2005-02-10 Crettet Marcel E. Cooler for water or other beverage

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5526961A (en) * 1994-02-28 1996-06-18 Ebtech, Inc. Sealed actuator probe assembly for a bottled water station
US5567322A (en) * 1995-09-13 1996-10-22 Rundle; Christopher Water cooler filtration device
WO1999000320A1 (fr) * 1997-06-27 1999-01-07 Haydon Pacific Limited Distributeur de boisson
GB2383321A (en) * 2001-12-21 2003-06-25 Ebac Ltd Feed tube for use in a potable liquid delivery system
US20040178229A1 (en) * 2003-03-13 2004-09-16 Dennis Rivard Automatic valve assembly for a water cooler reservoir
WO2004110920A2 (fr) * 2003-06-17 2004-12-23 Maurizio Fiori Distributeur de liquide remplissable
DE20310783U1 (de) * 2003-07-08 2003-12-04 Chang, Kuei Tang, Banchiau Wasserspender für Wasser aus Flaschen
GB2417025A (en) * 2004-08-14 2006-02-15 Ebac Ltd Flow assembly for a bottled liquid dispenser
US20080041493A1 (en) * 2006-08-21 2008-02-21 Lin C S Water cooler separator body and assembly

Also Published As

Publication number Publication date
GB201003292D0 (en) 2010-04-14
GB2478158A (en) 2011-08-31
GB2478158B (en) 2012-05-02

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