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WO2000070279A1 - Unite de refroidissement - Google Patents

Unite de refroidissement Download PDF

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Publication number
WO2000070279A1
WO2000070279A1 PCT/NZ2000/000079 NZ0000079W WO0070279A1 WO 2000070279 A1 WO2000070279 A1 WO 2000070279A1 NZ 0000079 W NZ0000079 W NZ 0000079W WO 0070279 A1 WO0070279 A1 WO 0070279A1
Authority
WO
WIPO (PCT)
Prior art keywords
cooling unit
housing
panels
fluid
cooling
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.)
Ceased
Application number
PCT/NZ2000/000079
Other languages
English (en)
Inventor
Robert Thorne Lawrence
Joy Lawrence
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to AU52577/00A priority Critical patent/AU5257700A/en
Publication of WO2000070279A1 publication Critical patent/WO2000070279A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D3/00—Devices using other cold materials; Devices using cold-storage bodies
    • F25D3/02—Devices using other cold materials; Devices using cold-storage bodies using ice, e.g. ice-boxes
    • F25D3/06—Movable containers
    • F25D3/08—Movable containers portable, i.e. adapted to be carried personally
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47F—SPECIAL FURNITURE, FITTINGS, OR ACCESSORIES FOR SHOPS, STOREHOUSES, BARS, RESTAURANTS OR THE LIKE; PAYING COUNTERS
    • A47F3/00—Show cases or show cabinets
    • A47F3/04—Show cases or show cabinets air-conditioned, refrigerated
    • A47F3/0404—Cases or cabinets of the closed type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2331/00—Details or arrangements of other cooling or freezing apparatus not provided for in other groups of this subclass
    • F25D2331/80—Type of cooled receptacles
    • F25D2331/804—Boxes

Definitions

  • This invention relates to improved cooling units. More particularly, in one embodiment it relates to unpowered, combined display and cool storage units for comestibles typically displayed on shop or restaurant counters.
  • this example is given by way of example only as the cooling unit of the present invention is capable of many different embodiments and non-food applications
  • Domestic and commercial cooling unit units tend to be permanently positioned in a particular place due to their bulk and the need to be connected to a power source, however portable cooling unit units are also available.
  • portable cooling unit units include firstly plastic walled or polystyrene chilly bins and softwalled plastic equivalents, such as wine bottle carriers.
  • Such items are commonly used for temporary storage of pre-chilled items during transportation with or without additional cooling from free flow ice, frozen pads, or similar.
  • Such frozen pads are containers of a freezable fluid (liquid or gel) which are generally stored in the freezer compartment of a home refrigerator and then introduced into cooling unit units such as chilly bins to extend the chill time of the items carried therein.
  • Portable chilly bins are of course not powered, the cooling effect arising from the insulated walls of the chilly bin container itself maintaining the chill of pre-chilled items contained therein, the chill time optionally being extended by additional cooling items such as ice cubes or freezer pads.
  • a cooling unit which includes a housing formed from one or more panels incorporating one or more layers of material defining a space, wherein part or all of said housing is adapted to exert a cooling effect on said space and thereby said items to be retained within said space, wherein one or more of said layers of material are in use adapted to be frozen.
  • cooling unit will hereinafter be referred to as a cooling unit.
  • the housing of the cooling unit may be adapted to exert a cooling effect by being freezable.
  • the housing may include or incorporate any number of different compositions of varying densities that may be freezable it is envisaged that the freezable nature of the housing may derive from its incorporating a fluid.
  • the freezable fluid may be any presently known in the art as being suitable for exerting a cooling effect on goods when frozen or defrosting, ranging from water through to a variety of liquids and gels.
  • One such freezable fluid that may be particularly suitable is the Rubbermaid Blue Ice TM freezable fluid with which those skilled in the art will be familiar.
  • cellulose paste mixed with a measured amount of water may be used to form a gel incorporated as the freezable fluid used.
  • the density or concentration of the cellulose paste to water used may be varied to modify both the weight of freezable fluid added to the cooling unit and also its chilling or insulative effect on articles placed within the cooling unit. For example, if the cooling unit is to store meat kept between 0°-4° Celsius the density of the gel formed may be higher than in the instance where the cooling unit is to store dairy products kept at between 2°-10° Celsius.
  • At least one panel used to form the housing of the cooling unit may incorporate a layer of fluid.
  • the layer of fluid may be retained by any material considered suitable, but preferably by a material that is relatively thin yet strong so that once frozen the cooling effect of the frozen fluid is not unduly prevented from emanating from the frozen fluid layer.
  • the housing incorporates an absorbent material to retain the freezable fluid, wherein the absorbent material is capable of maintaining its structure irrespective of whether the freezable fluid is frozen or melted.
  • the material retaining the fluid may also be relatively stiff such that it is capable of maintaining its structure whether the retained fluid is frozen or melted.
  • a retaining wall or walls for the fluids and/or the fluid itself may further include structure reinforcements.
  • the structure reinforcements for the fluid envisaged might be any cellular product capable of absorbing the fluid. Any absorbent material product would be suitable but a particular preferred material is DacronTM polyester fibre due to its easy availability, low cost and satisfactory tensile strength. This material will be familiar to those skilled in the art. It will be appreciated that other natural or synthetic materials capable of evenly absorbing fluid also fall within the scope of the present invention.
  • a retaining wall or walls for the fluid may include a supportive design such as a cellular matrix or any other shape or configuration capable of lending additional support to the frozen and melted retained fluid.
  • a retaining wall may be formed from or include any type of foamed product which can absorb the freezable fluid used. It will be appreciated the ability of the absorbent material to evenly distribute the cooling unit fluid and thus reduce weight of cooling unit fluid by replacing fluid volume with the absorbent material lends the housing structural integrity and whilst minimising weight and melt-time of the retained fluid.
  • the absorbent material used within the sides or walls of the cooling units is adapted to ensure that the entire surface of a wall or side is filled and covered with the freezable fluid while minimising the amount of freezable fluid that is required to achieve this aim.
  • the chilling effect provided by the cooling unit may also be varied by changing the amount or density of the freezable fluid incorporated into the cooling unit.
  • the density or amount of absorbent material incorporated into the walls of the cooling unit may also be increased, thereby increasing the amount of freezable fluid which may also be introduced and held within the walls of the cooling unit.
  • the cooling unit of the present invention may include a housing of retained freezable fluid such that to exert a cooling effect the housing of retained fluid is frozen and thus items retained within the housing are themselves kept cool without the housing needing to be powered or to rely on their own insulatory properties to maintain pre-chilled food in a chilled condition.
  • the housing may include one or a plurality of sheets of retained fluid held together in any desired manner so as to define a number of panels which form a housing. The edges of the sheets or panels may be sealed to trap or hold the freezable fluid in place. The edge of the panels may be sealed either through heat crimping or through using a solvent such as MEK (methyl ethyl ketone).
  • the wall or panels of the housing fluid may also be permanently bonded together in a housing structure or may be collapsible.
  • the panels of the housing may be collapsibly attached to one another to allow the housing to be collapsed to a relatively small volume when it is not in use.
  • a cooling unit substantially as described above wherein a panel used to construct the housing is formed from a plurality of layers of material, said layers of material including:
  • At least one outer layer adapted to provide an insulative effect.
  • the walls or layers of retained fluid may be supported by and within one or more additional layers of material to form a panel.
  • additional layers of material may be defined as outer layers.
  • the one or more additional layers of material may perform a support and insulatory function for the frozen retained fluid. Any material capable of achieving these functions falls within the purpose of the present invention although in a preferred embodiment a lightweight, low cost, easily available insulatory material such as polystyrene sheet may be used.
  • the polystyrene sheet may itself be further covered by a bonded or non-bonded additional insulatory or protective layer such as thermocoated plastic or a separate wipeable durable plastic slipcover.
  • any outer layer configured in accordance with the present invention may also be provided with a protective covering which is adapted to provide a support or strengthening effect.
  • a protective covering which is adapted to provide a support or strengthening effect.
  • polystyrene sheet material only in this application should in no way be seen as limiting.
  • layers of PVC material may also be incorporated to achieve the same aim as polystyrene and reference to the above only should in no way be seen as limiting.
  • cooling unit of the present invention may be a portable and collapsible version particularly suitable for chilling and display purposes.
  • a cooling unit including a housing, wherein part or all of said housing is adapted to exert a cooling effect on said space to be cooled and any items retained therein, the housing including a number of panels incorporating one or more layers of material, said panels being adapted to form a base, a top and walls, of the housing wherein one or more of panels may be constructed from or include a transparent material.
  • the panel formed from or including a transparent material may be the front wall panel or face of the cooling unit.
  • the front wall and/or another wall, preferably the back wall, may provide access to the inside of the cooling unit.
  • the transparent material used to form the front wall or panel of the cooling unit may also exhibit or provide insulative properties.
  • the transparent front panel may be a single or double glazed sheet of clear plastic or any other suitable transparent material adapted to form a window in the housing.
  • the display front may further be provided with opening means such as a hinge on one edge thereof and a handle on the other.
  • the cooling unit may achieve any number of different shapes and configurations depending on its desired use and function.
  • the walls, bases and tops may be made to simple geometric patterns or formed to suit commercial purposes, eg to mimic a brand name or typical product shape.
  • the cooling units may be flat or three dimensionally curved and may include a single internal compartment or several. Where there are several internal compartments, they may be separated by partitions that may be made of freezable retained fluid or of non-freezable material as desired.
  • cooling unit of this embodiment that includes at least one layer of retained fluid and one outer insulatory layer may also include additional insulation or cosmetic layers or additional functional extensions as may be required.
  • the panels of the cooling unit may be retained together permanently or collapsibly depending on user requirements.
  • the outer walls and inner retained fluid walls may be constructed in separate flat sheets sealed with an edging strip or moulded three dimensionally to form sealable rims all round. Any means of retaining the base, top and wall panels, together to form an insulating support structure for the inner layer of retained fluid is within the scope of the present invention.
  • a matrix with imperviously coated surfaces or a purpose made composite of foam/fibre with fully sealed sheet surfaces may be used as a panel with the present invention.
  • the thickness of the panels of the cooling unit may also be varied or controlled depending on whether they are used to form a top, bottom or sides of the cooling unit.
  • the thickest panel used in the cooling unit may be formed or incorporated as its top with its next thickest panel being used as the bottom of the cooling unit. Thinner panels may then be used to form the sides of the cooling unit.
  • This configuration of the invention provides a maximum insulative effect for the cooling unit. Convection air currents will shift the warmest air within the cooling unit up to the top panel which can provide a strong cooling effect to substantially chill this air.
  • the relatively thick base panel may also insulate the interior of the cooling unit from any heat being transferred from the surface which the cooling unit is resting on.
  • these features of the invention may be incorporated into a cooling unit which has a top panel 24 millimetres thick, side panels 12 millimetres thick, and a bottom panel 18 millimetres thick.
  • Handling means may be provided for the cooling units, such as fixed handles or recesses, or alternatively a carry strap passing right around the cooling unit structure and keeping it rigid in transit.
  • a cooling unit constructed in accordance with the present invention may be used to complement existing chilling means.
  • a cooling unit may be used to line a chilly bin, instead of or in addition to using ice or gel pads as is customary.
  • An advantage may be that the contents of the chilly bin are then enclosed by the cooling unit, rather than merely having ice or a gel pad lying on or by the contents.
  • items contained within the cooling unit housing have typically been exemplified herein as comestibles, clearly the cooling unit of the present invention is applicable to chilling any kind of goods eg medical supplies, blood, vaccines, animal artificial insemination samples and so on.
  • any configuration of the cooling units of the present invention may be utilised as long as a freezable fluid capable of exerting a cooling effect on items contained within the housing includes part of the structure of the housing.
  • the present invention may provide many advantages over existing prior art systems.
  • the present invention does not necessarily need a power source to effectively chill food or other articles requiring chilling.
  • the configuration of the cooling unit described above also allows the cooling unit to be readily transported and used wherever required.
  • the cooler can provide a significant cooling effect on any food or other articles placed within it.
  • the applicants have found that in some instances food initially at room temperature placed within the cooler can actually be frozen by the cooler before the frozen fluid within the walls of the cooler starts to thaw.
  • Figure 1 is a perspective view of a cooling unit as configured in one embodiment of the present invention.
  • Figure 2 is a front view of the embodiment of Figure 1 ; and Figure 3 is a side view of the embodiment of Figure 1 , and
  • Figure 4 is a sectional view of a cooling unit wall according to one aspect of the present invention.
  • FIG. 1 there is illustrated a cooling unit generally represented by the arrow 1 comprising a housing of one or more panels 11 defining a space to be cooled 7 wherein part or all of said housing is adapted to exert a cooling effect on said space to be cooled 7 and thereby said items to be retained therein (not shown).
  • the panels 11 include an inner layer of retained fluid 5 and an outer insulating layer 3.
  • FIG. 1 generally illustrates a preferred embodiment of one aspect of the present invention being a portable, collapsible cooling unit.
  • the structure of the cooling unit 1 generally includes a number of panels which form a base 9, sides 11 and 13 and top 15 and back wall generally indicated by the arrow 17.
  • a front panel 19 is also provided, in this case being made of a transparent material such as perspex or glass, permitting the inner space 7 to be viewed whilst the items retained therein (not shown) are maintained in a chilled state.
  • hinges 21 and handle 23 permitting the opening of front panel 19 about the hinges to enable access to the inner space 7.
  • a combination shape retention and carry strap 25 is provided enabling extra rigidity and portability to be lent to the cooling unit 1.
  • FIG 2 there is shown the embodiment of the cooling unit of Figure 1 showing end on optional removable shelf 27, in this case retained in position by being slid into retaining ridges 29.
  • Removable shelf 27 may be of any desired material but may preferably be capable of being frozen and also exerting a chilling effect on items contained within space 7.
  • FIG 3 there is shown a side view of the embodiments of the cooling unit shown in Figures 1 and 2 showing primarily the simple structure of the cooling unit 1 of the present invention such that all componentry thereof may be removable and collapsible and capable of easy reassembly.
  • FIG 4 there is a sectional view of the inner wall or layer of retained fluid generally indicated by arrow 5 comprising fluid (not specifically shown) absorbed into a cellular absorbent product 31 (eg DacronTM polyester fibre).
  • a cellular absorbent product 31 eg DacronTM polyester fibre
  • the absorbent fibre 31 is shown retained within a rigid wall 33 which lends the retained planar section of fluid 5 rigidity and support for handling and assembling of the cooling unit 1.
  • Shown spaced apart from inner wall 5 by spacers 35 is the outer wall of insulating and protective material 3, such as polystyrene.
  • cooling unit 1 of the present invention may be tailored to suit a particular product, package or location and furthermore modular units of cooling units may be linked together to form multiple displays.
  • cooling unit 1 of the present invention is to store prepackaged food items such as sushi packs and in this application the cooling unit 1 will be dimensioned according to commonly used sushi packs, eg 300 mm high on a base of 400 mm x 250 mm externally.
  • the inner freezable layers of retained fluid 5 are placed in refrigeration until all of the fluid retained and absorbed within the absorbent fibre 31 has frozen. It will be appreciated that extra structural vessels and chill pads may be frozen as "stand-by" cooling units to extend the time over which the cooling unit 1 is required to be in use.
  • the cooling units 1 are then assembled according to the particular construction of the cooling unit 1. For example, if an exterior rigid slip case is used in place of interlocking components is the main structural support then the inner freezable layers 5 are simply placed in the outer slip case in the appropriate position without the need for fastening means such as joints or clips.
  • cooling unit 1 If a single structural layer of freezable fluid 5 is used to form the cooling unit 1 then appropriate fastening means are used to join the layers 5 together to form the cooling unit 1, such as inter engaging male and female slots or additional clips, braces or velcro fasteners being used.
  • the cooling unit of the present invention is used in a retail application, the cooling unit 1 is then placed prominently in a desired position such as on a counter or stand so as to give the maximum exposure of the cooling unit 1 during a targeted sales period.
  • Shelves 27 are stocked with pre-chilled goods (not shown), which in use should ideally be packed as close together as possible to reduce air space. It will be appreciated that vacant shelf space may be used for additional chill pads (not shown) and if stock is sold chill may be extended by adding fresh chill pads (not shown).
  • the cooling unit 1 is simply disassembled, cleaned, stacked flat and placed back in a freezer or otherwise stored.
  • the preferred embodiment of the cooling unit of the present invention is ideally intended for use as an unpowered combined display stand and cool storage unit for foods and beverages needing counter exposure at reduced temperatures (eg 4-10°C being an optimum temperature range for sales periods of up to two hours).
  • Likely contents include cold prepared foods such as sushi, sandwiches, dairy products and fresh fruits and salads to be sold during meal breaks, special events or outdoor occasions.
  • the stand is able to be chilled, stocked, placed prominently without need for connection to a power source and then easily disassembled for re-chilling and storage until its next desired use. Because the cooling unit 1 can be used as a temporary display a retailer can place it centrally eg beside a till and remove when sales are complete so that other permanent items such as candy displays are not blanked out.
  • the freezable components of the cooling unit 1 such as inner freezable layer 5, are neatly stacked in a freezer and minimise freezer space during pre-chilling, which can be done overnight or during off-peak intervals.
  • the cooling unit 1 is then re-erected and stocked. Numbers of knocked down cool stands may also be transported pre-chilled to other locations that will be of particular applicability during one off events such as fairs and galas. Alternatively, fully stocked and chilled cool stands may be delivered to an outlet and the previous empty ones taken away for replenishment to allow fast rum around courier servicing of large numbers of outlets.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)

Abstract

La présente invention concerne une unité de refroidissement (1) qui comprend un boîtier formé par au moins un panneau (9, 11, 13, 15) comportant au moins une couche de matériau (5) définissant un espace (7), une partie ou tout le boîtier étant conçu pour exercer un effet frigorifique sur cet espace et donc sur les articles contenus dans cet espace. De préférence, au moins une couche de matériau (5) utilisée à l'intérieur du boîtier est conçue pour être congelée de sorte que lorsque l'unité fonctionne, cette/ces couche(s) congelée(s) puisse(nt) refroidir les produits ou les articles placés dans cet espace défini par le boîtier. Cette unité de refroidissement peut être munie d'un panneau (19) frontal transparent à charnière (21) permettant de voir les articles congelés. Ladite unité peut également comprendre une bride facilitant son transport (25).
PCT/NZ2000/000079 1999-05-19 2000-05-19 Unite de refroidissement Ceased WO2000070279A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU52577/00A AU5257700A (en) 1999-05-19 2000-05-19 Cooling unit

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NZ335833 1999-05-19
NZ33583399 1999-05-19

Publications (1)

Publication Number Publication Date
WO2000070279A1 true WO2000070279A1 (fr) 2000-11-23

Family

ID=19927289

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/NZ2000/000079 Ceased WO2000070279A1 (fr) 1999-05-19 2000-05-19 Unite de refroidissement

Country Status (2)

Country Link
AU (1) AU5257700A (fr)
WO (1) WO2000070279A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004043210A1 (fr) * 2002-11-13 2004-05-27 Cool Fresh Designs Inc. Presentoir pour aliments
US8863546B2 (en) 2010-02-25 2014-10-21 The Oberweis Group, Inc. Multicompartment cooler with enhanced features
WO2016153919A1 (fr) * 2015-03-20 2016-09-29 Pepsico, Inc. Procédé et système de refroidissement

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3859819A (en) * 1973-10-04 1975-01-14 Raymond Lee Organization Inc Refrigerant containing sandwich storage device
DE3333026A1 (de) * 1983-09-13 1985-03-28 Carl Heinrich 3578 Schwalmstadt Schmitt Tiefkuehlbehaelter insbesondere fuer kraftfahrzeuge oder boote
US5035122A (en) * 1990-03-27 1991-07-30 Oogjen Harry W Portable containers for maintaining food stuffs in a chilled condition
NL9401026A (nl) * 1994-06-22 1996-02-01 Rudy Hendrik Gerard Koster Systeem voor het gekoeld tonen van produkten.
US5582028A (en) * 1995-02-21 1996-12-10 Rilling; Kim Foldable adjustable cooling pack
JPH1114220A (ja) * 1997-06-19 1999-01-22 Daiwa Reiki Kogyo Kk 移動式保冷庫

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3859819A (en) * 1973-10-04 1975-01-14 Raymond Lee Organization Inc Refrigerant containing sandwich storage device
DE3333026A1 (de) * 1983-09-13 1985-03-28 Carl Heinrich 3578 Schwalmstadt Schmitt Tiefkuehlbehaelter insbesondere fuer kraftfahrzeuge oder boote
US5035122A (en) * 1990-03-27 1991-07-30 Oogjen Harry W Portable containers for maintaining food stuffs in a chilled condition
NL9401026A (nl) * 1994-06-22 1996-02-01 Rudy Hendrik Gerard Koster Systeem voor het gekoeld tonen van produkten.
US5582028A (en) * 1995-02-21 1996-12-10 Rilling; Kim Foldable adjustable cooling pack
JPH1114220A (ja) * 1997-06-19 1999-01-22 Daiwa Reiki Kogyo Kk 移動式保冷庫

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
DATABASE WPI Derwent World Patents Index; Class Q75, AN 1996-104076/11 *
DATABASE WPI Derwent World Patents Index; Class Q75, AN 1999-157056/14 *

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004043210A1 (fr) * 2002-11-13 2004-05-27 Cool Fresh Designs Inc. Presentoir pour aliments
US8863546B2 (en) 2010-02-25 2014-10-21 The Oberweis Group, Inc. Multicompartment cooler with enhanced features
WO2016153919A1 (fr) * 2015-03-20 2016-09-29 Pepsico, Inc. Procédé et système de refroidissement
JP2018512069A (ja) * 2015-03-20 2018-05-10 ペプシコ・インク 冷却システム及び方法
RU2721856C2 (ru) * 2015-03-20 2020-05-25 Пепсико, Инк. Система и способ охлаждения
AU2016235797B2 (en) * 2015-03-20 2020-06-11 Pepsico, Inc. Cooling system and method

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