US20140353222A1 - Spout with reversed flow - Google Patents

Spout with reversed flow Download PDF

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Publication number
US20140353222A1
US20140353222A1 US14/464,181 US201414464181A US2014353222A1 US 20140353222 A1 US20140353222 A1 US 20140353222A1 US 201414464181 A US201414464181 A US 201414464181A US 2014353222 A1 US2014353222 A1 US 2014353222A1
Authority
US
United States
Prior art keywords
end portion
water
disinfection
flow path
spout
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.)
Abandoned
Application number
US14/464,181
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English (en)
Inventor
Stephen John Sabin
John Francis Kennedy
Louis M. Busick
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.)
LVD Acquisition LLC
Original Assignee
LVD Acquisition LLC
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 LVD Acquisition LLC filed Critical LVD Acquisition LLC
Priority to US14/464,181 priority Critical patent/US20140353222A1/en
Assigned to LVD ACQUISITION, LLC reassignment LVD ACQUISITION, LLC ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: KENNEDY, JOHN FRANCIS, SABIN, STEPHEN JOHN, BUSICK, LOUIS M.
Publication of US20140353222A1 publication Critical patent/US20140353222A1/en
Priority to US15/483,103 priority patent/US10077195B2/en
Abandoned legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/30—Treatment of water, waste water, or sewage by irradiation
    • C02F1/32—Treatment of water, waste water, or sewage by irradiation with ultraviolet light
    • C02F1/325—Irradiation devices or lamp constructions
    • 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
    • B65D47/00—Closures with filling and discharging, or with discharging, devices
    • B65D47/04—Closures with discharging devices other than pumps
    • B65D47/06—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2201/00—Apparatus for treatment of water, waste water or sewage
    • C02F2201/32—Details relating to UV-irradiation devices
    • C02F2201/322—Lamp arrangement
    • C02F2201/3227—Units with two or more lamps
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2201/00—Apparatus for treatment of water, waste water or sewage
    • C02F2201/32—Details relating to UV-irradiation devices
    • C02F2201/328—Having flow diverters (baffles)
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00—Specific treatment goals
    • C02F2303/04—Disinfection
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2307/00—Location of water treatment or water treatment device
    • C02F2307/06—Mounted on or being part of a faucet, shower handle or showerhead

Definitions

  • the disclosed embodiments of the present invention relate to a spout for a water dispenser, particularly a spout adapted for ultraviolet (“UV”) disinfection of the water.
  • UV ultraviolet
  • Ultraviolet radiation can be effectively used as a means for a final disinfection of water being dispensed from a water source.
  • the ultraviolet radiation source In order to be fully effective, the ultraviolet radiation source must act upon the water up to and including the point at which the water actually exits the spout. A portion of water residing just inside the spout can be exposed to contamination if this does not happen.
  • the amount of time for the UV source to reach an effective power level after being energized will vary, depending upon the specifics of the UV source used. A consequence of this is that many water dispensing units will keep the UV source energized. While this maintains the disinfection level of the water, it also raises the temperature of the water in the disinfection zone. This is an undesired effect, particularly when the first portion of water being dispensed from a water cooler is actually warmer than ambient.
  • One way to minimize this effect is to limit the volume of water in the disinfection zone when no flow is occurring. However, there are also normal flow rates expected by consumers when using the dispenser. If the volume of water subject to disinfection at any point is being minimized, then the residence time in the disinfection zone is also very low, reducing the effect of the UV radiation.
  • a spout for dispensing water from a water dispenser.
  • a spout comprises three portions: a disinfection portion, a first end portion and a second end portion.
  • the first and second end portions are positioned, respectively, at a first and second end of the disinfection portion.
  • the disinfection portion has first and second tubes, open at each end, with a second tube arranged longitudinally inside the first tube.
  • the tubes define two flow paths, the first flow path having an annular cross-section defined by an inside wall of first tube and an outside wall of the second tube and the second flow path having a circular cross-section defined by an inside wall of second tube.
  • Water being dispensed enters and exits the spout through the first end portion, the body of which is connected to the first end of the disinfection portion.
  • the first end portion also has an inlet through which water enters the spout from a water source of the water dispenser and an outlet, though which the water is dispensed after being disinfected.
  • the internal configuration of the first end portion body communicates the inlet to one of the disinfection portion flow paths and the outlet to the other.
  • the second end portion has a second end portion body that is connected to the second end of the disinfection portion. It has an interior configuration that connects the respective flow paths of the disinfection portion.
  • each of the tubes comprises a material that is substantially transparent to ultraviolet (UV) radiation.
  • UV radiation ultraviolet
  • One such material is quartz glass.
  • the water flow is upward through the annular flow path and downward through the circular flow path.
  • the first end portion body is generally hollow with a cylindrical outer wall.
  • the inlet extends radially outwardly from the first end portion body and is in liquid communication with the interior of the first end portion body so that water entering through the inlet passes into the annular first flow path of the disinfection portion.
  • the outlet extends axially from the first end portion body and the interior of the first end portion body is arranged to pass water from the circular second flow path of the disinfection portion to the outlet.
  • the flow is directed from the annular first flow path into the circular second flow path of the disinfection portion.
  • this may draw a vacuum as the water flows down and out through the outlet, it may be useful to install a check valve in the second end portion body to allow air flow into the second end portion body, relieving the vacuum.
  • the water flows first through the circular flow path and then through the annular flow path, which will lie lower (although only slight) than the circular flow path.
  • the first end portion body is generally hollow with a cylindrical outer wall.
  • the inlet extends axially outwardly from the first end portion body.
  • the inlet is in liquid communication with the interior of the first end portion body so that water entering through the inlet passes into the circular second flow path of the disinfection portion.
  • the second end portion body is arranged to transfer water from the circular first flow path of the disinfection portion into the annular second flow path of the disinfection portion.
  • the outlet in this case extends radially, and, preferably, downwardly from the first end portion body to dispense the water.
  • the interior of the first end portion body is arranged to pass water from the annular first flow path of the disinfection portion to the outlet.
  • At least one source of UV radiation will be arranged around the disinfection portion to bathe the water in UV radiation during each pass through the disinfection portion.
  • FIG. 1 is a side-sectional elevation view of a first embodiment, in which the spout arrangement is oriented for vertical use;
  • FIG. 2 is a side-sectional elevation view of a second embodiment, in which the spout arrangement is oriented for horizontal use.
  • UV disinfection When UV disinfection is used in a water dispenser, it is common to conduct the process on a linear portion of the water flow path.
  • the UV radiation In one type of system, not generally covered here, the UV radiation is generated in a central portion of the flow path, with the water flowing in an annular path that is radially outward from the UV source.
  • the water flow tube In the second type of system, the water flow tube is the central feature and the UV radiation is arrayed circumferentially around the water flow tube, so that the UV radiation is directed radially inward, that is, in the opposite direction of the first type of system.
  • the inventive concept here presumes that generating UV radiation, especially for use in the second method, is known in the art and that designing a housing for the UV radiation source is within the knowledge of one of ordinary skill.
  • the length of the flow tube required for an appropriate residence time may dictate whether the flow tube sits generally vertically or generally horizontally in the water dispenser. This may be of particular consequence when the overall disinfection unit, that is, a housing that incorporates the UV radiation source, necessary power and control apparatus, and the water flow tube, including its connections, has to be retrofitted into an existing dispenser design. For that reason, it is very useful to be able to provide a spout that can meet all disinfection requirements while being useful in either a horizontal or vertical orientation, even if it requires some changes in the installation.
  • FIG. 1 shows a side sectional elevation view of a spout 10 that embodies the desired features, arranged for vertical orientation. Shown generally are two UV bulbs B, which are illustrated for environmental purposes only and are not part of the spout 10 .
  • Spout 10 can be broken down into a primary disinfection portion 20 , bounded at one end by a second end portion 40 and at the other end by a first end portion 60 .
  • a first tube 22 provides the primary separation between the UV radiation, regardless of its source, and the water. At least in portion 20 , tube 22 is effectively open on each end.
  • a second tube 24 is positioned inside tube 22 , preferably concentrically. Second tube 24 is also effectively open-ended, at least in portion 20 .
  • This arrangement provides two flow paths 26 , 28 for water flow in portion 20 .
  • the first flow path 26 is an annular path between an inside wall of first tube 22 and an outside wall of second tube 24 .
  • the second flow path 28 is a path with a circular cross-section, defined by an inside wall of second tube 24 .
  • each of the tubes will preferably be highly transparent to light in the UV portion of the electromagnetic spectrum.
  • quartz glass is an excellent material for this purpose.
  • the preferred direction of flow in the two flow paths 26 , 28 will be determined by the orientation of the spout 10 .
  • water preferably flows upwardly in flow path 26 and downwardly in flow path 28 .
  • a second end body 42 typically formed from a polymeric material, operates as an end cap to close off the first tube 22 . Since second tube 24 is not closed off at this end by second end body 42 , then water flow moving annularly upward in flow path 26 reaches the second end body and must turn inwardly to flow downwardly in flow path 28 , that is, inside the second tube. Although retaining the water during flow under normal flow pressures mandates that the second end body 42 is secured to first tube 22 , it will also be preferred that the means for securing 44 selected is a means that can be easily opened or removed, so that the second end body, the first tube, or both, can be easily replaced.
  • An example will be a friction fitting including elastomeric O-rings.
  • a check valve 46 in second end body 42 , arranged to permit air flow from outside the first end body into the interior thereof. This can be used to relieve vacuum drawn inside the second end body 42 by water moving down flow path 28 immediately following a dispensing at the spout 10 .
  • a baffle 48 that extends, essentially along the longitudinal axis of the concentric tubes 22 , 24 into the upper end of tube 24 . This baffle 48 would serve to direct flow as it moves from flow path 26 to flow path 28 (or vice versa).
  • first end portion 60 is tasked with receiving water from an upstream portion of the water dispensing device, feeding the water into the disinfection portion 20 , receiving the disinfected water back from the disinfection portion and dispensing the disinfected water to a user.
  • first end body 62 has an inlet 64 that receives the water to be dispensed by the spout 10 .
  • Inlet 64 is adapted, as with a threaded fitting 66 , for attachment to a feed line coming from the water supply.
  • the water can be anywhere in the range of from above freezing to below boiling, depending upon the intended use and the water supply being used.
  • first end body 62 has a generally longitudinal shape, with inlet 64 extending radially outward from the first end body, which is generally hollow and defined by a cylindrical outer wall 67 .
  • First end body 62 also has an outlet 68 , depicted as extending axially from the first end portion 60 , from which the disinfected water is discharged.
  • second tube 24 extends axially from the disinfecting portion into the outlet, even to the extent that the second tube defines the inner wall of the outlet, allowing the end of second tube to be visually seen at the outlet.
  • An outer wall 69 of the outlet 68 is adapted, if desired, to be fitted to a receiving vessel, although many embodiments may have simply a smooth outer wall for the outlet. It is highly preferred that the second tube 24 is well-secured to the outlet, and in some circumstances, the second tube 24 and outlet 68 will be provided as a unit that can be attached to the first end body 62 .
  • the outer wall 67 of the first end body 62 and the second tube define an annular space 70 , to which the inlet 64 is communicated. Water arriving through inlet 64 therefore is admitted to this annular space 70 and runs upwardly therethrough to the upper end 72 of the first end portion 60 , where the first end portion and disinfecting portion 20 are joined.
  • FIG. 2 shows a side sectional elevation view of a spout 110 that embodies the desired features, arranged for horizontal orientation, which is required in some instances. Shown generally are two UV bulbs B, which are illustrated for environmental purposes only and are not part of the spout 110 . Spout 110 can be broken down into a primary disinfection portion 20 , bounded at one end by a second end portion 140 and at the other end by a first end portion 160 .
  • the primary disinfection portion 20 of spout 110 is identical to that used in spout 10 of FIG. 1 .
  • flow patterns are different.
  • the first tube 22 provides the primary separation between the UV radiation, regardless of its source, and the water. At least in portion 20 , tube 22 is effectively open on each end.
  • a second tube 24 is positioned inside tube 22 , preferably concentrically. Second tube 24 is also effectively open-ended, at least in portion 20 .
  • This arrangement provides two flow paths 126 , 128 for water flow in portion 20 .
  • the first flow path 126 is an annular path between an inside wall of first tube 22 and an outside wall of second tube 24 .
  • the second flow path 128 is a path with a circular cross-section, defined by an inside wall of second tube 24 .
  • tube 22 is bathed in UV radiation.
  • each of the tubes will preferably be highly transparent to light in the UV portion of the electromagnetic spectrum.
  • quartz glass is an excellent material for this purpose.
  • the preferred direction of water flow in the two flow paths 126 , 128 is determined by the orientation of the spout 110 .
  • the water enters portion 20 in flow path 128 , moves horizontally (left to right in FIG. 2 ) to the end of portion 20 and then is shunted, inside first end portion 140 into flow path 126 for a return trip through portion 20 , this time in the right to left direction.
  • a second end body 142 typically formed from a polymeric material, operates as an end cap that closes off first tube 22 .
  • Water moving in flow path 128 enters second end body 142 , encounters the closed end and is turned radially outwardly into annular flow path 126 .
  • the means for securing 144 selected is a means that can be easily reversed, so that the second end body, the first tube, or both, can be easily replaced.
  • An example of the securing means will be a friction fitting including elastomeric O-rings.
  • baffle 48 that extends, essentially along the longitudinal axis of the concentric tubes 22 , 24 into the end of tube 24 at the first end body 142 . This baffle 48 would serve to direct flow as it moves from flow path 128 to flow path 126 .
  • first end portion 160 is tasked with receiving water from an upstream portion of the water dispensing device, feeding the water into the disinfection portion 20 , receiving the disinfected water back from the disinfection portion and dispensing the disinfected water to a user.
  • first end body 162 has an inlet 164 that receives the water to be dispensed by the spout 110 .
  • Inlet 164 is adapted, as with a threaded fitting 166 , for attachment to a feed line coming from the water supply.
  • the water can be anywhere in the range of from above freezing to below boiling, depending upon the intended use and the water supply being used.
  • first end body 162 has a generally longitudinal shape, with inlet 164 extending axially outward from the first end body 162 , which is generally hollow and defined by a cylindrical outer wall 167 .
  • First end body 162 also has an outlet 168 , depicted as extending radially from the first end body, from which the disinfected water is discharged.
  • second tube 24 extends axially from the disinfecting portion 20 into the first end portion 160 and into the inlet, even to the extent that the second tube defines the inner wall of the inlet, allowing the end of second tube to be visually seen at the inlet. Because some of the ultraviolet light inside the second tube 24 strikes the wall at a sufficient angle, internal reflection in the glass of the second tube will result in light being axially transmitted. This means that a certain portion of the disinfective capacity of the UV radiation will be available, even at the inlet 164 .
  • An outer wall 169 of the outlet 168 is adapted, if desired, to be fitted to a receiving vessel, although many embodiments may have simply a smooth outer wall for the outlet. It is highly preferred that the second tube 24 is well-secured to the inlet 164 , and in some circumstances, the second tube 24 and inlet 164 will be provided as a unit that can be attached to the first end body 162 .
  • the outer wall 166 of the first end body 162 and the second tube 24 define an annular space 170 , into which water in flow path 126 flows. Annular space 170 is, in turn, connected to the outlet 168 is communicated.
  • the disinfecting portion 20 and first end portion 160 are separably connected by a suitable attaching means 172 .
  • first tube 22 is closed at one end, as in the shape of a test tube, it can be used alone, instead of with the respective first end body 42 , 142 . This is especially the case with embodiment 110 , as there is less reason to provide a check valve 46 , although an appropriately designed check valve could be used with a closed end first tube 22 .

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  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Apparatus For Disinfection Or Sterilisation (AREA)
  • Physical Water Treatments (AREA)
US14/464,181 2012-02-23 2014-08-20 Spout with reversed flow Abandoned US20140353222A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US14/464,181 US20140353222A1 (en) 2012-02-23 2014-08-20 Spout with reversed flow
US15/483,103 US10077195B2 (en) 2012-02-23 2017-04-10 Spout with reversed flow

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201261602376P 2012-02-23 2012-02-23
PCT/US2013/027310 WO2013126692A1 (fr) 2012-02-23 2013-02-22 Goulotte à flux inversé
US14/464,181 US20140353222A1 (en) 2012-02-23 2014-08-20 Spout with reversed flow

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2013/027310 Continuation WO2013126692A1 (fr) 2012-02-23 2013-02-22 Goulotte à flux inversé

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US15/483,103 Continuation US10077195B2 (en) 2012-02-23 2017-04-10 Spout with reversed flow

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US20140353222A1 true US20140353222A1 (en) 2014-12-04

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US14/464,181 Abandoned US20140353222A1 (en) 2012-02-23 2014-08-20 Spout with reversed flow
US15/483,103 Active 2033-05-02 US10077195B2 (en) 2012-02-23 2017-04-10 Spout with reversed flow

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Application Number Title Priority Date Filing Date
US15/483,103 Active 2033-05-02 US10077195B2 (en) 2012-02-23 2017-04-10 Spout with reversed flow

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CA (1) CA2865246C (fr)
WO (1) WO2013126692A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140332568A1 (en) * 2013-05-07 2014-11-13 Container Packaging Systems, LLC Vented Pour Spout
US10472138B2 (en) 2017-10-12 2019-11-12 Donny Smith Systems and methods for a device with an internal vented nozzle
US11414313B2 (en) * 2016-12-16 2022-08-16 Lg Electronics Inc. Water purifier
US20240014028A1 (en) * 2021-08-09 2024-01-11 Applied Materials, Inc. Ultraviolet and ozone clean system

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110309032A1 (en) * 2009-02-25 2011-12-22 Maeki Markus System and method for photochemical treatment of liquid substances with ultraviolet light inside liquid conveying tubings

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Publication number Priority date Publication date Assignee Title
DE2851013C2 (de) * 1978-11-24 1983-12-08 Katadyn Produkte AG, Wallisellen, Zürich Entkeimungsvorrichtung für strömendes Medium
US5316673A (en) * 1992-03-11 1994-05-31 Harmony Brook, Inc. Spout assembly for self-service purified water dispenser
US5390828A (en) * 1993-05-20 1995-02-21 Aptargroup, Inc. Closure with two-part slidable dispensing cap
DE29802771U1 (de) * 1998-02-18 1998-06-25 Vitt, Wolfgang, 65207 Wiesbaden Vorrichtung zur Entkeimung eines Fluids mittels UV-Strahlen
US6139726A (en) * 1998-12-29 2000-10-31 Uv Cooling Technologies Treated water dispensing system

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110309032A1 (en) * 2009-02-25 2011-12-22 Maeki Markus System and method for photochemical treatment of liquid substances with ultraviolet light inside liquid conveying tubings

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140332568A1 (en) * 2013-05-07 2014-11-13 Container Packaging Systems, LLC Vented Pour Spout
US11414313B2 (en) * 2016-12-16 2022-08-16 Lg Electronics Inc. Water purifier
US10472138B2 (en) 2017-10-12 2019-11-12 Donny Smith Systems and methods for a device with an internal vented nozzle
US20240014028A1 (en) * 2021-08-09 2024-01-11 Applied Materials, Inc. Ultraviolet and ozone clean system

Also Published As

Publication number Publication date
US10077195B2 (en) 2018-09-18
WO2013126692A1 (fr) 2013-08-29
CA2865246A1 (fr) 2013-08-29
US20170210642A1 (en) 2017-07-27
CA2865246C (fr) 2020-01-28

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Owner name: LVD ACQUISITION, LLC, OHIO

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:SABIN, STEPHEN JOHN;KENNEDY, JOHN FRANCIS;BUSICK, LOUIS M.;SIGNING DATES FROM 20140818 TO 20140819;REEL/FRAME:033574/0326

STCB Information on status: application discontinuation

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