WO2017059349A1 - Dispositif de désinfection par ultraviolets pour distributeurs de nourriture et de boissons - Google Patents

Dispositif de désinfection par ultraviolets pour distributeurs de nourriture et de boissons Download PDF

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Publication number
WO2017059349A1
WO2017059349A1 PCT/US2016/054979 US2016054979W WO2017059349A1 WO 2017059349 A1 WO2017059349 A1 WO 2017059349A1 US 2016054979 W US2016054979 W US 2016054979W WO 2017059349 A1 WO2017059349 A1 WO 2017059349A1
Authority
WO
WIPO (PCT)
Prior art keywords
ultraviolet light
nozzle
light source
housing
holster
Prior art date
Application number
PCT/US2016/054979
Other languages
English (en)
Inventor
Thomas R. Hecht
Richard A. Martindale
Original Assignee
Automatic Bar Controls, Inc.
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
Priority claimed from US14/873,164 external-priority patent/US9895458B2/en
Application filed by Automatic Bar Controls, Inc. filed Critical Automatic Bar Controls, Inc.
Priority to EP16852776.0A priority Critical patent/EP3355942A4/fr
Publication of WO2017059349A1 publication Critical patent/WO2017059349A1/fr

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
    • A61L2/02—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using physical phenomena
    • A61L2/08—Radiation
    • A61L2/10—Ultra-violet radiation
    • 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
    • B67D1/00—Apparatus or devices for dispensing beverages on draught
    • B67D1/0042—Details of specific parts of the dispensers
    • B67D1/0081—Dispensing valves
    • B67D1/0082—Dispensing valves entirely mechanical
    • B67D1/0083—Dispensing valves entirely mechanical with means for separately dispensing a single or a mixture of drinks
    • B67D1/0084—Hand-held gun type valves
    • 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
    • B67D1/00—Apparatus or devices for dispensing beverages on draught
    • B67D1/0042—Details of specific parts of the dispensers
    • B67D1/0081—Dispensing valves
    • B67D1/0085—Dispensing valves electro-mechanical
    • B67D1/0086—Hand-held gun type valves
    • 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
    • B67D1/00—Apparatus or devices for dispensing beverages on draught
    • B67D1/07—Cleaning beverage-dispensing apparatus
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
    • A61L2/16—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using chemical substances
    • A61L2/20—Gaseous substances, e.g. vapours
    • A61L2/202—Ozone
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2202/00—Aspects relating to methods or apparatus for disinfecting or sterilising materials or objects
    • A61L2202/10—Apparatus features
    • A61L2202/11—Apparatus for generating biocidal substances, e.g. vaporisers, UV lamps
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2202/00—Aspects relating to methods or apparatus for disinfecting or sterilising materials or objects
    • A61L2202/10—Apparatus features
    • A61L2202/15—Biocide distribution means, e.g. nozzles, pumps, manifolds, fans, baffles, sprayers
    • 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
    • B67D1/00—Apparatus or devices for dispensing beverages on draught
    • B67D1/07—Cleaning beverage-dispensing apparatus
    • B67D2001/075—Sanitising or sterilising the apparatus
    • 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
    • B67D2210/00—Indexing scheme relating to aspects and details of apparatus or devices for dispensing beverages on draught or for controlling flow of liquids under gravity from storage containers for dispensing purposes
    • B67D2210/00002—Purifying means
    • B67D2210/00013—Sterilising means
    • B67D2210/00015—UV radiation

Definitions

  • the present invention is related to food and beverage dispensers, and more specifically to a method and means to provide ultraviolet disinfection of dispensing points of food and beverage dispensers.
  • Food and beverage dispensers can become contaminated with molds and/or bacteria. Such molds and/or bacteria can then be inadvertently passed along for consumption, thereby posing a potential health threat. Such contamination can occur in various ways.
  • FIGS.1a, 1b, and 1c show a known bar gun 12 (or beverage dispenser) that is placed in its holster 14.
  • a bar gun 12 and holster 14 set up is commercially available from the assignee of this patent application.
  • FIG.1a depicts the general position of the dispensing nozzle 16 of the bar gun 12 as it is being inserted into the holster 14, while being supported by the operator’s hand.
  • FIG.1b depicts the at-rest (or unsupported) position of the bar gun 12 when stowed in the holster 14.
  • the holster-based solution includes a generally cylindrical member that is configured to accept and encompass the nozzle of the bar gun, and provide a collection device for fluid discharged by the bar gun. This collection device may or may not be fitted with a drainage means, such as the drain line 20 shown. Additionally, while the collection device does provide for collection of fluid discharged from the dispensing nozzle 16 of the bar gun 12, continued use may cause a build-up on the interior surface 18 of the holster 14 as the fluids dry.
  • the interior surface 18 of the collection device can provide a medium for the growth of bacteria and/or molds.
  • the size of the collection device can also readily allow for contact between the dispensing nozzle 16 and the inner surface 18 of the collection device, and thus potentially contaminating the dispensing nozzle through which the next beverage is dispensed to a customer.
  • existing beverage dispensers for example, hand-held beverage dispensers (e.g., a bar gun), are prone to contamination due to frequent handling by one or more users (who may have less than sanitary hands).
  • the residue of fluids dispensed by beverage dispensers often provides an environment that supports the growth of molds and/or bacteria either airborne or deposited by unsanitary contact.
  • the present invention provides a method and means to disinfect dispensing components of food and beverage dispensers (e.g., a dispensing port of a food dispenser, a dispensing nozzle of a beverage dispenser).
  • the dispensing components are subjected to contained ultraviolet radiation of adequate duration and intensity to disinfect the dispensing components.
  • Various approaches can be used to trigger the application of the ultraviolet light, such as by triggering the application when a beverage dispenser such as a bar gun is returned to its support, and/or activation at regular intervals (e.g., intervals not exceeding a maximum period of non-activation).
  • the dispensing components can be made from materials that can be at least partially penetrated by ultraviolet light (e.g., ultraviolet transparent (UVT) materials) to pass the ultraviolet light onto surfaces potentially in need of disinfection, while being suitable for food contact (e.g., NSF/ANSI Std. 51 materials (National Sanitation Foundation– Food Equipment Materials).
  • UVT ultraviolet transparent
  • the ultraviolet light can also be used to generate ozone for additional germicidal and/or deodorant action.
  • the generated ozone can be applied to the dispensing components to penetrate into areas that the ultraviolet light does not reach.
  • the disinfecting holster includes a housing adapted to receive a nozzle of a beverage dispensing handle, an ultraviolet light source arranged around at least a portion of the housing, and a first enclosure defining a first chamber holding the housing and containing the ultraviolet light source.
  • the ultraviolet light source configured to generate and emit germicidal ultraviolet light onto the housing and the nozzle.
  • the first enclosure having a top surface including a nozzle opening aligned with the housing and configured to hold the nozzle of the beverage dispensing handle such that only the nozzle extends into the housing.
  • the ultraviolet light source may be a U-bend ultraviolet light source. In other embodiments, the ultraviolet light source may be an O-ring ultraviolet light source.
  • the ultraviolet light source may be formed of a plurality of ultraviolet light source modules that surround at least the portion of the housing.
  • An interior of the housing may be formed of or lined with food-grade ultraviolet- transmissive plastic.
  • An exterior of the housing may be formed of or lined with transmissive quartz sleeve to protect the ultraviolet light source from spatters coming out of the nozzle.
  • the first enclosure may be formed on top of a second enclosure defining a second chamber. The first enclosure and the second enclosure may be separated by a perforated surface provided at a bottom of the first enclosure. The perforated surface may be formed of or lined with reflective material to reflect the ultraviolet light into an orifice of the nozzle.
  • the first enclosure may include a fan to distribute ozone generated by the ultraviolet light within the first enclosure and the housing.
  • the disinfecting holster may further comprise a controller configured to periodically activate the ultraviolet light source to maintain the nozzle in a disinfected state. The controller provides for a manually-initiated application of ultraviolet light.
  • a method for disinfecting a nozzle of a beverage dispensing handle includes arranging an ultraviolet light source around at least a portion of a nozzle of a beverage dispensing handle, and emitting germicidal ultraviolet light by the ultraviolet light source onto the nozzle.
  • the ultraviolet light source is provided within a housing that substantially contains the ultraviolet light and the ultraviolet light is emitted by the ultraviolet light source with a duration and an intensity selected to disinfect the nozzle.
  • the ultraviolet light source may be a U-bend ultraviolet light source.
  • the ultraviolet light source may be an O-ring ultraviolet light source.
  • the step of emitting germicidal ultraviolet light may also include controlling an activation of an ultraviolet light source via a controller configured to periodically activate the ultraviolet light source to maintain the nozzle in a disinfected state.
  • the step of emitting germicidal ultraviolet light onto the nozzle may also include manually initiating the emission of the ultraviolet light.
  • the step of emitting germicidal ultraviolet light onto the nozzle may also include emitting the light from a plurality of ultraviolet light source modules distributed around the housing.
  • An interior of the housing may be formed of or lined with food-grade ultraviolet- transmissive plastic.
  • An exterior of the housing may be formed of or lined with transmissive quartz sleeve to protect the ultraviolet light source from spatters coming out of the nozzle.
  • an apparatus for disinfecting a nozzle of a beverage dispensing handle is provided.
  • the apparatus comprises a housing adapted to receive a nozzle of a beverage dispensing handle, an ultraviolet light source arranged around at least a portion of the housing, a first enclosure defining a first chamber containing the ultraviolet light, and a second enclosure defining a second chamber provided below the first enclosure.
  • the ultraviolet light source is configured to generate and emit germicidal ultraviolet light onto the nozzle.
  • the first enclosure has a top surface including a nozzle opening aligned with the housing and configured to hold the nozzle of the beverage dispensing handle such that only the nozzle extends into the housing.
  • the second enclosure is separated from the first enclosure by a perforated surface.
  • An interior of the housing is formed of or lined with food- grade ultraviolet-transmissive plastic, and an exterior of the housing is formed of or lined with transmissive quartz sleeve to protect the ultraviolet light source from spatters coming out of the nozzle.
  • FIG. 1a shows a known bar gun positioned relative to a cylindrical holster as held by a user during its insertion into the holster.
  • FIG. 1b shows a typical position of known bar gun relative to a cylindrical holster after it has been released by the user.
  • FIG. 1c shows a perspective view of the known bar gun and cylindrical holster of FIG. 1a.
  • FIGS. 2a through 2e illustrate a bar gun holster configured to apply contained ultraviolet light to disinfect dispensing components of the bar gun, in accordance with an embodiment of the present invention.
  • FIGS. 1a shows a known bar gun positioned relative to a cylindrical holster as held by a user during its insertion into the holster.
  • FIG. 1b shows a typical position of known bar gun relative to a cylindrical holster after it has been released by the user.
  • FIG. 1c shows a perspective view of the known bar gun and cylindrical holster of FIG. 1a.
  • FIGS. 2a through 2e illustrate a bar gun
  • FIGS. 3a and 3b illustrate a beverage dispensing tower configured to apply contained ultraviolet light to disinfect dispensing components of the dispensing tower, in accordance with an embodiment of the present invention.
  • FIGS. 4a and 4b illustrate a multi-nozzle beverage dispensing tower configured to apply contained ultraviolet light to disinfect dispensing components of the multi-nozzle dispensing tower, in accordance with an embodiment of the present invention.
  • FIGS. 5a and 5b illustrate a coffee maker configured to apply contained ultraviolet light to disinfect dispensing components of the coffee maker, in accordance with an embodiment of the present invention.
  • FIG. 6 is a simplified diagram illustrating an ultraviolet light disinfection system, in accordance with an embodiment of the present invention. [0027] FIG.
  • FIG. 7 is a simplified diagram illustrating a retrofit kit for retrofitting an ultraviolet light disinfection system to a pre-existing food or beverage dispenser, in accordance with an embodiment of the present invention.
  • FIG. 8a through 8e illustrate various views of a bar gun holster configured to apply contained ultraviolet light to disinfect dispensing components of the bar gun, in accordance with an embodiment of the present invention.
  • FIGS. 2a through 2e illustrate a bar gun assembly 100 that includes a bar gun 102 and a holster 104 configured to apply contained ultraviolet light to disinfect dispensing components of the bar gun 102.
  • the holster 104 includes an outer wall 106 that helps to prevent emission of ultraviolet light from the holster 104 during an application of ultraviolet light by the holster 104 onto dispensing components of the bar gun 102 (e.g., nozzle 108).
  • FIG. 2a shows the bar gun 102 stowed in the holster 104.
  • FIGS. 2b through 2d illustrate internal components of the holster 104 (outer wall 106 not shown to avoid obscuring the internal components).
  • the holster 104 includes an ultraviolet light source (e.g., a germicidal lamp or tube lamp 110) mounted in the holster 104 via a lamp mount 112. A germicidal ballast (not shown) for the tube lamp 110 can be mounted within the lamp mount 112.
  • the holster 104 further includes a nozzle receiving portion 114 that
  • Ultraviolet light emitted by the tube lamp 110 enters the nozzle receiving portion 114 by way of an aperture 116 positioned between the tube lamp and the nozzle receiving portion.
  • One or more inner surfaces of the nozzle receiving portion can be configured (e.g., via a surface finish, an applied surface layer, and via its shape) to reflect ultraviolet light so that ultraviolet light entering through the aperture 116 is reflected onto the nozzle 108 from all sides, including from the bottom so that the ultraviolet light enters into the orifice of the nozzle to at least some extent.
  • the outer wall 106 can be shaped and include an internal reflective surface that evenly distributes the ultraviolet light entering through the aperture 116 to all sides of the nozzle 108.
  • the holster 104 and/or the bar gun 102 can be configured with a means that senses when the bar gun is stowed in the holster. For example, known switches, contacts, proximity sensors, etc., can be used to sense when the bar gun is stowed.
  • Control circuitry (not shown) can used to activate the tube lamp 110 at suitable times and intervals.
  • the control circuitry can be mounted in a suitable location (e.g., within the lamp mount 112).
  • the ultraviolet light source is configured to emit ultraviolet light at an intensity known to provide a suitable level of disinfection.
  • the control circuitry can keep track of suitable parameters (e.g., time since last ultraviolet application, usage parameters of the bar gun, etc.) to provide periodic applications of ultraviolet light suitable to maintain the nozzle of the bar gun in a disinfected state.
  • the control circuitry limits the application of ultraviolet light to when the bar gun is stowed and stops any application of ultraviolet light upon removal of the bar gun from the holster.
  • a means to manually initiate the application of ultraviolet light can also be provided (e.g., via a switch, button, control panel interface, etc.).
  • the holster 104 can also be configured to distribute ozone generated by the ultraviolet light to provide further disinfection and/or deodorant action to dispensing components of the bar gun 102.
  • the holster 104 can further include a circulation means (e.g., a fan) to circulate ozone around the interior of the holster 104 to enhance distribution of ozone around the nozzle 108.
  • FIG. 2e is an exploded view of the holster 104.
  • the holster 104 includes a grommet 118, a top cover 120, the outer wall 106, a drip collection member 122, the tube lamp 110, a reflector 124, and the lamp mount 112.
  • Components of the holster 104 not shown include the control circuitry for activating the lamp 110, and the above-discussed means for sensing when the bar gun 102 is stowed in the holster.
  • the grommet 118 and the nozzle 108 can be configured with mutually shaped portions to establish and maintain a substantial seal between the nozzle 108 and the grommet 118 when the bar gun is stowed in the holster, thereby preventing the escape of ultraviolet light from the holster and enhancing the concentration of any ozone generated within the holster.
  • the above-discussed ultraviolet disinfection can be applied to other types of beverage dispensers. For example, FIGS.
  • FIG. 3a and 3b illustrate a beverage dispensing tower 200 configured to periodically apply contained ultraviolet light to disinfect dispensing components (e.g., nozzle 202) of the dispensing tower 200.
  • the beverage dispensing tower 200 includes a disinfecting chamber 204 that is movable to surround the nozzle 202 so that ultraviolet light can be applied to the nozzle 202 in a contained manner.
  • FIG. 3a shows the disinfecting chamber 204 disengaged from the nozzle 202.
  • FIG. 3b shows the disinfecting chamber 204 positioned to surround the nozzle 202 to contain ultraviolet light during an application of ultraviolet light to the nozzle 202.
  • the ultraviolet light applied can be generated, for example, via an ultraviolet light source mounted within the disinfecting chamber 204, or can be mounted in a suitable location exterior to the disinfecting chamber 204 and the ultraviolet light introduced into the disinfecting chamber (e.g., via an aperture as disclosed above, via one or more fiber optic cables, or via any other suitable known transmission means).
  • Suitable control circuitry such as discussed above, can be mounted in a suitable location and used to control an actuation of the disinfecting chamber to position the disinfecting chamber and the application of ultraviolet light to provide periodic applications of ultraviolet light, as discussed above with reference to the holster 104.
  • FIGS. 4a and 4b illustrate a similar application of ultraviolet disinfection to a multi- nozzle beverage dispensing tower 300.
  • the multi-nozzle beverage dispensing tower 300 can include multiple disinfecting chambers 302 corresponding to multiple nozzles 304 as illustrated. Alternatively, any number of the disinfecting chambers can be integrated into one or more common disinfecting chambers configured to surround any suitable number of the nozzles during an application of ultraviolet light.
  • the multi-nozzle beverage dispensing tower 300 can include, for example, any of the applicable features and/or functionality discussed above with respect to the holster 104 and the beverage dispensing tower 200.
  • FIGS. 5a and 5b illustrate a coffee maker 400 configured to apply contained ultraviolet light to disinfect dispensing components of the coffee maker 400.
  • the coffee maker 400 includes a disinfecting chamber 402 that can be positioned (e.g., attached, moved, actuated, etc.) for the application of ultraviolet light to dispensing components of the coffee maker 400.
  • the coffee maker 400 can include, for example, any of the applicable features and/or functionality discussed above with respect to the holster 104, the beverage dispensing tower 200, and the multi-nozzle beverage dispensing tower 300.
  • FIGs. 8a through 8e illustrate another exemplary a bar gun holster configured to apply contained ultraviolet light to disinfect dispensing components of the bar gun, in accordance with an embodiment of the present invention.
  • FIGs. 8a through 8e illustrate similar features to FIGs. 2a through 2e.
  • the bar gun holster 800 illustrated in FIGs. 8a through 8e includes a support surface 821 configured to interface with a beverage dispensing handle (e.g. a bar gun 102) to support the bar gun 102 when stowed in the holster 800.
  • the holster 800 may also include a receiving housing 814 coupled with the support surface 821 configured to receive the nozzle 108 of the bar gun 102 when the bar gun 102 is stowed in the holster 800.
  • the holster 800 may also include an ultraviolet light source 802 that surrounds at least a portion of the receiving housing 814.
  • the ultraviolet light source 802 may include a U-bend (e.g. horseshoe shaped, U-shaped) lamp.
  • the U-bend lamp may be provided around the receiving housing 814.
  • the ultraviolet light source 802 can be a ring-shaped (e.g. O-bend, O-shaped, O-ring) lamp that completely surrounds the receiving housing 814.
  • the ultraviolet light source 802 may be continuous and/or one-piece (e.g. a U- bend lamp or an O-ring).
  • the ultraviolet light source 802 may be formed of multiple ultraviolet light source modules (e.g. multiple ultraviolet light emitting lamps) provided around the receiving housing 814 to surround at least a portion of the nozzle 108 when provided within the receiving housing 814.
  • the receiving housing 814 may be provided at an angle with respect to the ultraviolet light source 802 such that more ultraviolet rays may fall on the nozzle 104 when the nozzle is provided in the receiving housing 814.
  • the bar gun holster 800 may include a raised surface 828 to accommodate the nozzle 108 of the bar gun 102 at an angle.
  • the extremities of the ultraviolet light source 802 may be coupled to corresponding tube sockets 804 via, for example, contact pins.
  • the ultraviolet light source 802 may be coupled to the tube socket(s) 804 by any suitable means.
  • an interior surface of the receiving housing 814 may be molded to have a similar shape to the nozzle 108 so as to snugly hold the nozzle 108 in place.
  • the receiving housing 814 may have an opening 816 through which the nozzle 108 may be inserted into the receiving housing 814.
  • an interior surface of the receiving housing 814 that faces the nozzle 108 (when the nozzle 108 is stowed in the receiving housing 814) may be formed of or lined with food-grade ultraviolet-transmissive plastic 818.
  • An exterior of the receiving housing 814 may be formed of or lined with quartz sleeve 820 to act as a shield to protect the electronics and the ultraviolet light source 802 from spatters that may come out of the nozzle 108.
  • the quartz sleeve 820 may be fully transmissive to allow the ultraviolet light emitted from the ultraviolet light source 802 to be transmitted onto the nozzle 108.
  • the bar gun holster 800 may include a drip pan 806 having a plurality of perforations 807 (e.g.
  • the perforated drip pan 806 may be coated with a reflective material to reflect the ultraviolet light so that ultraviolet light is reflected onto the nozzle 108 from the bottom so that the ultraviolet light enters into the orifice of the nozzle 108 to disinfect the interior surface of the nozzle 108 as well.
  • An enclosed disinfecting chamber 812 may be provided above the drip pan 806 to house the ultraviolet light source 802 and the nozzle 108.
  • the enclosed disinfecting chamber 812 may be defined by a top wall 822, side wall 824, front wall 834 and the drip pan 806 at the bottom.
  • the bar gun holster 800 can also be configured to distribute ozone generated by the ultraviolet light to provide additional disinfection and/or deodorant action to the nozzle 108 of the bar gun 102.
  • the disinfecting chamber 812 can further include a circulation means (e.g., a fan) to circulate ozone around the interior of the disinfecting chamber 812 and the receiving housing 814 to enhance distribution of ozone around the nozzle 108.
  • the enclosed disinfecting chamber 812 and the receiving housing 814 may be in communication such that the ozone gas generated by the ultraviolet light source 802 provided in the disinfecting chamber 812 can travel into the receiving housing 814 to further disinfect the nozzle 108.
  • FIG. 6 is a simplified diagram illustrating an ultraviolet light disinfection system 500.
  • the disinfection system 500 includes a power input 510, a power switch 520, a controller 530, an ultraviolet lamp ballast(s) 540, and an ultraviolet lamp(s) 550.
  • the disinfection system 500 can also include optional additional components such as an ozone generator 560 and/or a circulation fan(s) 570.
  • the power input 510 receives electrical power (e.g., alternating current from an external source, direct current from an external source, direct current from a internal battery) used to operate the disinfection system 500.
  • the power input 510 can transfer the received power directly.
  • the power input can also convert the received power into one or more forms used by components of the disinfection system (e.g., into a DC voltage suitable to operate digital circuitry in the controller; into any form required to operate the lamp ballast(s) 540, the lamp(s) 550, the ozone generator 560, and/or the circulation fan(s) 570).
  • the power switch is an on/off switch used to activate and deactivate the disinfection system.
  • the controller 530 is configured to periodically activate the UV lamp(s) 550 to maintain a food or beverage dispenser in a disinfected state.
  • the controller can include an interval timer that provides a periodic application of power to the lamp ballast(s) 540.
  • the controller can be implemented in any suitable manner (e.g., using analogue components, using digital components, a mix of analogue and digital components).
  • the controller can also be programmable through, for example, a suitable user interface and/or communication channel.
  • contained ultraviolet light can be applied to other types of beverage dispensers and/or food dispensers.
  • Such food dispensers include, for example, a hot cheese dispenser (e.g., as described in U.S. Patent Publication No.
  • the retrofit kit 600 includes installation hardware 610 and disinfection assembly components 620.
  • the disinfection assembly components 620 include, for example, one or more ultraviolet light sources such as the UV lamp(s) 550, a housing/shield component(s) used to contain the ultraviolet light, and related electrical components such as the power input 510, the power switch 520, the controller 530, the UV lamp ballast(s) 540, and any related electrical connecters/wires.
  • a variety of retrofit kits can be configured for use on a wide variety of existing food and beverage dispensers.
  • Each retrofit kit can be configured for use on one or more existing food and/or beverage dispenser types/models.

Abstract

Cette invention concerne des dispositifs de désinfection et des procédés associés qui appliquent une lumière ultraviolette germicide pour désinfecter les composants distribués par les distributeurs de nourriture et de boissons. Un étui de désinfection pour buse de poignée distributrice de boissons comprend un réceptacle conçu pour recevoir une buse de poignée distributrice de boisson et une source de lumière ultraviolette incurvée autour du réceptacle de façon à l'entourer au moins partiellement. La source de lumière ultraviolette génère et émet une lumière ultraviolette germicide sur la buse. Le réceptacle confine essentiellement la lumière ultraviolette en son sein pendant l'application de la lumière ultraviolette à la buse distributrice. La lumière ultraviolette peut être appliquée périodiquement de façon à maintenir la buse dans un état désinfecté.
PCT/US2016/054979 2015-10-01 2016-09-30 Dispositif de désinfection par ultraviolets pour distributeurs de nourriture et de boissons WO2017059349A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP16852776.0A EP3355942A4 (fr) 2015-10-01 2016-09-30 Dispositif de désinfection par ultraviolets pour distributeurs de nourriture et de boissons

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US14/873,164 US9895458B2 (en) 2010-05-20 2015-10-01 Ultraviolet disinfecting device for food and beverage dispensers
US14/873,164 2015-10-01

Publications (1)

Publication Number Publication Date
WO2017059349A1 true WO2017059349A1 (fr) 2017-04-06

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Citations (9)

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